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Kharabe GP, Barik S, Veeranmaril SK, Nair A, Illathvalappil R, Yoyakki A, Joshi K, Vinod CP, Kurungot S. Aluminium, Nitrogen-Dual-Doped Reduced Graphene Oxide Co-Existing with Cobalt-Encapsulated Graphitic Carbon Nanotube as an Activity Modulated Electrocatalyst for Oxygen Electrocatalyst for Oxygen Electrochemistry Applications. Small 2024:e2400012. [PMID: 38651508 DOI: 10.1002/smll.202400012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/05/2024] [Indexed: 04/25/2024]
Abstract
There is a rising need to create high-performing, affordable electrocatalysts in the new field of oxygen electrochemistry. Here, a cost-effective, activity-modulated electrocatalyst with the capacity to trigger both the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) in an alkaline environment is presented. The catalyst (Al, Co/N-rGCNT) is made up of aluminium, nitrogen-dual-doped reduced graphene oxide sheets co-existing with cobalt-encapsulated carbon nanotube units. Based on X-ray Absorption Spectroscopy (XAS) studies, it is established that the superior reaction kinetics in Al, Co/N-rGCNT over their bulk counterparts can be attributed to their electronic regulation. The Al, Co/N-rGCNT performs as a versatile bifunctional electrocatalyst for zinc-air battery (ZAB), delivering an open circuit potential ≈1.35 V and peak power density of 106.3 mW cm-2, which are comparable to the system based on Pt/C. The Al, Co/N-rGCNT-based system showed a specific capacity of 737 mAh gZn -1 compared to 696 mAh gZn -1 delivered by the system based on Pt/C. The DFT calculations indicate that the adsorption of Co in the presence of Al doping in NGr improves the electronic properties favoring ORR. Thus, the Al, Co/N-rGCNT-based rechargeable ZAB (RZAB) emerges as a highly viable and affordable option for the development of RZAB for practical applications.
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Affiliation(s)
- Geeta Pandurang Kharabe
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sidharth Barik
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sudheesh Kumar Veeranmaril
- Physical Sciences and Engineering Division (PSE), KAUST Catalysis Centre (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
| | - Aathira Nair
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Rajith Illathvalappil
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Athira Yoyakki
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Kavita Joshi
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Chathakudath Prabhakaran Vinod
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- Catalysis and Inorganic Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
| | - Sreekumar Kurungot
- Physical & Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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Huang H, Liang Q, Guo H, Wang Z, Yan G, Wu F, Wang J. Spray Pyrolysis Regulated FeCo Alloy Anchoring on Nitrogen-Doped Carbon Hollow Spheres Boost the Performance of Zinc-Air Batteries. Small 2024:e2310318. [PMID: 38183374 DOI: 10.1002/smll.202310318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/03/2023] [Indexed: 01/08/2024]
Abstract
Low-cost and high-efficiency non-precious metal-based oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) bifunctional catalysts are the key to promoting the commercial application of metal-air batteries. Herein, a highly efficient catalyst of Fe0.18 Co0.82 alloy anchoring on the nitrogen-doped porous carbon hollow sphere (Fex Co1-x /N-C) is intelligently designed by spray pyrolysis (SP). The zinc in the SP-derived metal oxides and metal-organic framework volatilize at high temperature to construct a hierarchical porous structure with abundant defects and fully exposes the FeCo nanoparticles which uniformly anchor on the carbon substrate. In this structure, the coexistence of Fe0.18 Co0.82 alloy and binary metal active sites (Fe-Nx /Co-Nx ) guarantees the Fe0.2 Co0.8 /N-C catalyst exhibiting an excellent half-wave potential (E1/2 ═ 0.84 V) superior to 20% Pt/C for ORR and a suppressed overpotential (280 mV) than RuO2 for OER. Assembled rechargeable Zn-air battery (RZAB) demonstrates a promising specific capacity of 807.02 mAh g-1 , peak power density of 159.08 mW cm-2 and durability without electrolyte circulation (550 h). This work proposes the design concept of utilizing an oxide core to in situ consume the porous carbon shell for anchoring metal active sites and construct defects, which benefits from spray pyrolysis in achieving precise control of the alloy structure and mass preparation.
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Affiliation(s)
- Hongrui Huang
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
| | - Qianqian Liang
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
| | - Huajun Guo
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
| | - Zhixing Wang
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
| | - Guochun Yan
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
| | - Feixiang Wu
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
| | - Jiexi Wang
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Hunan Provincial Key Laboratory of Value-added Metallurgy, School of Metallurgy and Environment, Central South University, Changsha, 410083, P. R. China
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Luo L, Liu Y, Chen S, Zhu Q, Zhang D, Fu Y, Li J, Han J, Gong S. FeNiCo|MnGaO x Heterostructure Nanoparticles as Bifunctional Electrocatalyst for Zn-Air Batteries. Small 2023:e2308756. [PMID: 38133491 DOI: 10.1002/smll.202308756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 12/05/2023] [Indexed: 12/23/2023]
Abstract
Driven by the pressing demand for stable energy systems, zinc-air batteries (ZABs) have emerged as crucial energy storage solutions. However, the quest for cost-effective catalysts to enhance vital oxygen evolution and reduction reactions remains challenging. FeNiCo|MnGaOx heterostructure nanoparticles on carbon nanotubes (CNTs) are synthesized using liquid-phase reduction and H2 calcination approach. Compared to its component, such FeNiCo|MnGaOx /CNT shows a high synergistic effect, low impedance, and modulated electronic structure, leading to a superior bifunctional catalytic performance with an overpotential of 255 mV at 10 mA cm-2 and half-wave potential of 0.824 V (ω = 1600 rpm and 0.1 m KOH electrolyte). Moreover, ZABs based on FeNiCo|MnGaOx /CNT demonstrate notable features, including a peak power density of 136.1 mW cm-2 , a high specific capacity of 808.3 mAh gZn -1 , and outstanding stability throughout >158 h of uninterrupted charge-discharge cycling. Theoretical calculations reveal that the non-homogeneous interface can introduce more carriers and altered electronic structures to refine intermediate adsorption reactions, especially promoting O* formation, thereby enhancing electrocatalytic performance. This work demonstrates the importance of heterostructure interfacial modulation of electronic structure and enhancement of adsorption capacity in promoting the implementation of OER/ORR, ZABs, and related applications.
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Affiliation(s)
- Liuxiong Luo
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Yuren Liu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Siyu Chen
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Qinwen Zhu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Di Zhang
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Yue Fu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Jiaqi Li
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Jianling Han
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Shen Gong
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
- State Key Laboratory of Powder Metallurgy, Changsha, Hunan, 410083, China
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Lu Z, Yang H, Liu Q, Luo J, Feng L, Chu L, Liu X. Nb 2 AlC MAX Nanosheets Supported Ru Nanocrystals as Efficient Catalysts for Boosting pH-Universal Hydrogen Production. Small 2023:e2305434. [PMID: 38126941 DOI: 10.1002/smll.202305434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/15/2023] [Indexed: 12/23/2023]
Abstract
MAX phase combines both ceramic and metallic properties, which exhibits widespread application prospects. 2D MAX nanosheets have more abundant surface-active sites, being anticipated to improve the performance of surface-related applications. Herein, for the first time, 2D Nb2 AlC nanosheets (NSs) as novel supports anchored with Ru catalysts for overall water splitting are developed. The optimized catalyst of Ru@Nb2 AlC NSs exhibit Pt-comparable kinetics and superior catalytic activity toward hydrogen evolution reaction (HER) (low overpotentials of 61 and 169 mV at 10 and 100 mA cm-2 , respectively) with excellent durability (5000 cycles or 80 h) in alkaline media. In particular, Ru@Nb2 AlC NSs achieve a mass activity of ≈4.8 times larger than the commercial Pt/C (20 wt.%) catalyst. The post-oxidation resultant catalyst of RuO2 @Nb2 AlC NSs also exhibit boosting HER and oxygen evolution reaction activities and ≈100% Faraday efficiency for overall water splitting with a cell voltage of 1.61 V to achieve 10 mA cm-2 . Therefore, the novel category of 2D MAX supports anchored with Ru nanocrystals offers a novel strategy for designing a wide range of MAX-supported metal catalysts for the renewable energy field.
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Affiliation(s)
- Zhensui Lu
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory for optoelectronic Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Hui Yang
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory for optoelectronic Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Qian Liu
- Institute for Advanced Study, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Jun Luo
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory for optoelectronic Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
- ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Longhua District, Shenzhen, 518110, China
| | - Ligang Feng
- Institute of Carbon Neutrality and New Energy, School of Electronics and Information, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Liang Chu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Xijun Liu
- State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning, Guangxi, 530004, China
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5
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Zhou L, Feng D, Liu C, Sun Y, Fu Y, Ma T. Amorphous Ni(OH) 2 -Ni 3 S 2 /NF nano-flower heterostructure catalyst promotes efficient urea assisted overall water splitting. Chem Asian J 2023:e202300980. [PMID: 38109145 DOI: 10.1002/asia.202300980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 11/30/2023] [Indexed: 12/19/2023]
Abstract
Urea assisted overall water splitting represents a cost-effective and efficient technology for hydrogen production, which not only obviates the generation of explosive H2 and O2 gas mixture but also minimizes the energy cost for the water splitting. In this study, we employed a one-pot hydrothermal method to directly synthesize Ni(OH)2 -Ni3 S2 /NF hybrid nanoflowers on a nickel foam (NF) substrate, resulting in efficient and stable bi-functional electrocatalysts for urea oxidation reaction (UOR) and hydrogen evolution reaction (HER). Under alkaline conditions, the Ni(OH)2 -Ni3 S2 /NF catalyst exhibits low voltage requirements of 1.346 V and -0.014 V vs. RHE with a current density of 10 mA cm-2 for UOR and HER, respectively. Furthermore, when employing the Ni(OH)2 -Ni3 S2 /NF catalyst as both anode and cathode for urea-assisted overall water splitting, it requires a cell voltage of merely 1.396 V with a current density of 10 mA cm-2 , which is notably lower than the voltage required for complete water decomposition at the same current density (1.568 V vs. RHE). The one-step synthesis of the Ni(OH)2 -Ni3 S2 /NF catalyst lays a foundation for further exploration of other transition metal complexes as dual-function electrocatalysts, enabling energy-efficient electrolytic hydrogen production and the treatment of urea-rich wastewater.
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Affiliation(s)
- Lixue Zhou
- College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Daming Feng
- College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Chang Liu
- College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Ying Sun
- College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Yang Fu
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
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6
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Park MG, Hwang J, Deng YP, Lee DU, Fu J, Hu Y, Jang MJ, Choi SM, Feng R, Jiang G, Qian L, Ma Q, Yang L, Jun YS, Seo MH, Bai Z, Chen Z. Longevous Cycling of Rechargeable Zn-Air Battery Enabled by "Raisin-Bread" Cobalt Oxynitride/Porous Carbon Hybrid Electrocatalysts. Adv Mater 2023:e2311105. [PMID: 38085968 DOI: 10.1002/adma.202311105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Indexed: 12/20/2023]
Abstract
Developing commercially viable electrocatalyst lies at the research hotspot of rechargeable Zn-air batteries, but it is still challenging to meet the requirements of energy efficiency and durability in realistic applications. Strategic material design is critical to addressing its drawbacks in terms of sluggish kinetics of oxygen reactions and limited battery lifespan. Herein, a "raisin-bread" architecture is designed for a hybrid catalyst constituting cobalt nitride as the core nanoparticle with thin oxidized coverings, which is further deposited within porous carbon aerogel. Based on synchrotron-based characterizations, this hybrid provides oxygen vacancies and Co-Nx -C sites as the active sites, resulting from a strong coupling between CoOx Ny nanoparticles and 3D conductive carbon scaffolds. Compared to the oxide reference, it performs enhanced stability in harsh electrocatalytic environments, highlighting the benefits of the oxynitride. Furthermore, the 3D conductive scaffolds improve charge/mass transportation and boost durability of these active sites. Density functional theory calculations reveal that the introduced N species into hybrid can synergistically tune the d-band center of cobalt and improve its bifunctional activity. As a result, the obtained air cathode exhibits bifunctional overpotential of 0.65 V and a battery lifetime exceeding 1350 h, which sets a new record for rechargeable Zn-air battery reported so far.
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Affiliation(s)
- Moon Gyu Park
- School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Henan Normal University, Xinxiang, 453007, China
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Jeemin Hwang
- Fuel Cell Research & Demonstration Center, Hydrogen Energy Research Division, Korea Institute of Energy Research (KIER), Buan-gun, 56332, Republic of Korea
| | - Ya-Ping Deng
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Dong Un Lee
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA
| | - Jing Fu
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
| | - Yongfeng Hu
- Canadian Light Source, University of Saskatchewan, Saskatoon, SK, S7N 0×4, Canada
| | - Myeong Je Jang
- School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Henan Normal University, Xinxiang, 453007, China
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Sung Mook Choi
- Department of Hydrogen Energy Materials, Surface & Nano Materials Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
- Advanced Materials Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Renfei Feng
- Canadian Light Source, University of Saskatchewan, Saskatoon, SK, S7N 0×4, Canada
| | - Gaopeng Jiang
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Lanting Qian
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Qianyi Ma
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Lin Yang
- School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Henan Normal University, Xinxiang, 453007, China
| | - Yun Seok Jun
- College of Engineering, Pukyong National University, Busan, 48547, Republic of Korea
| | - Min Ho Seo
- College of Engineering, Pukyong National University, Busan, 48547, Republic of Korea
| | - Zhengyu Bai
- School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Henan Normal University, Xinxiang, 453007, China
| | - Zhongwei Chen
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
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Abdildina K, Vassilina G, Abdrassilova A, Klassen IA, Orynbassar R, Kanapiyeva F. The Role of Catalyst Promotive Additives and Temperature in the Hydroisodewaxing Process. Molecules 2023; 28:7598. [PMID: 38005320 PMCID: PMC10673333 DOI: 10.3390/molecules28227598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
One of the valuable fractions of paraffinic oils is the diesel fraction, which can be used as a commercial fuel. However, the high content of alkanes of normal structure (~10-40%) in the diesel fraction leads to a deterioration in the performance characteristics of the fuel and, as a result, the inability to use the diesel fraction without additional processing in the cold season at lower temperatures, which is critical for many regions with cold winters. The process of catalytic dewaxing is one of the most promising ways to improve the low-temperature characteristics of diesel fractions. This work is devoted to studying the activity of promoted Ni, Mo, and Ni-Mo catalysts based on mesoporous aluminosilicate and pre-activated bentonite in dewaxing diesel fractions. The effect of the nature and content of promoting additives on the activity of bifunctional catalysts in the process of hydroisodewaxing of diesel fraction in a flow-type reactor in the temperature range of 260-340 °C, pressure of 2 MPa and feed space velocity of 1 h-1 was studied. It is shown that the synthesized bifunctional catalysts based on mesoporous aluminosilicate and pre-activated bentonite from the Tagan field (Ni/MAS-H-bentonite, Mo/MAS-H-bentonite, and Ni-Mo/MAS-H-bentonite) have the necessary balance of Lewis and Bronsted acid centers strengths. It allows them to selectively conduct the hydroisodewaxing process. It has been established that the use of the synthesized 5% Ni-1% Mo/MAS-H-bentonite bifunctional catalyst in the diesel fractions hydroisodewaxing process under optimal process conditions makes it possible to obtain diesel fuel with low-temperature characteristics that meet the requirements for cold climate fuels: cold filter plugging point (CFPP)-minus 33 °C, flash point in a closed cup-39 °C and pour point-minus 36 °C.
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Affiliation(s)
- Kamilla Abdildina
- Department of Physical Chemistry, Catalysis and Petrochemistry, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (G.V.); (A.A.); (I.A.K.); (F.K.)
| | - Gulzira Vassilina
- Department of Physical Chemistry, Catalysis and Petrochemistry, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (G.V.); (A.A.); (I.A.K.); (F.K.)
| | - Albina Abdrassilova
- Department of Physical Chemistry, Catalysis and Petrochemistry, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (G.V.); (A.A.); (I.A.K.); (F.K.)
| | - Ivan A. Klassen
- Department of Physical Chemistry, Catalysis and Petrochemistry, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (G.V.); (A.A.); (I.A.K.); (F.K.)
| | - Raigul Orynbassar
- Department of Chemistry and Chemical Technology, K. Zhubanov Aktobe Regional University, Aktobe 030000, Kazakhstan;
| | - Fatima Kanapiyeva
- Department of Physical Chemistry, Catalysis and Petrochemistry, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (G.V.); (A.A.); (I.A.K.); (F.K.)
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Zhang Y, Hou Q, Wang S, Xu E, Zhao S, Li F, Yang Y, Wei M. Metal-Acid Interface Engineering in Pd-WO x Bifunctional Catalysts for the Hydroalkylation Tandem Reaction of Benzene. ACS Appl Mater Interfaces 2023. [PMID: 37418596 DOI: 10.1021/acsami.3c05799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
The hydroalkylation tandem reaction of benzene to cyclohexylbenzene (CHB) provides an atom economy route for conversion and utilization of benzene; yet, it presents significant challenges in activity and selectivity control. In this work, we report a metal-support synergistic catalyst prepared via calcination of W-precursor-containing montmorillonite (MMT) followed by Pd loading (denoted as Pd-mWOx/MMT, m = 5, 15, and 25 wt %), which shows excellent catalytic performance for hydroalkylation of benzene. A combination study (X-ray diffraction (XRD), hydrogen-temperature programmed reduction (H2-TPR), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), UV-vis, Raman, and density functional theory (DFT) calculations) confirms the formation of interfacial sites Pd-(WOx)-H, whose concentration is dependent on the interaction between Pd and WOx. The optimized catalyst (Pd-15WOx/MMT) exhibits a CHB yield of up to 45.1% under a relatively low hydrogen pressure, which stands at the highest level among state-of-the-art catalysts. Investigations on the structure-property correlation based on in situ FT-IR and control experiments further verify that the Pd-(WOx)-H structure serves as the dual-active site: the interfacial Pd site accelerates benzene hydrogenation to cyclohexene (CHE), while the interfacial Bronsted (B) acid site in Pd-(WOx)-H boosts the alkylation of benzene and CHE to CHB. This study offers a new strategy for the design and preparation of metal-acid bifunctional catalysts, which shows potential application in the hydroalkylation reaction of benzene.
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Affiliation(s)
- Yuanjing Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Quandong Hou
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Si Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Enze Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Shiquan Zhao
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Feng Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Yusen Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Min Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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9
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Muuli K, Kumar R, Mooste M, Gudkova V, Treshchalov A, Piirsoo HM, Kikas A, Aruväli J, Kisand V, Tamm A, Krumme A, Moni P, Wilhelm M, Tammeveski K. Iron, Cobalt, and Nickel Phthalocyanine Tri-Doped Electrospun Carbon Nanofibre-Based Catalyst for Rechargeable Zinc-Air Battery Air Electrode. Materials (Basel) 2023; 16:4626. [PMID: 37444939 DOI: 10.3390/ma16134626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023]
Abstract
The goal of achieving the large-scale production of zero-emission vehicles by 2035 will create high expectations for electric vehicle (EV) development and availability. Currently, a major problem is the lack of suitable batteries and battery materials in large quantities. The rechargeable zinc-air battery (RZAB) is a promising energy-storage technology for EVs due to the environmental friendliness and low production cost. Herein, iron, cobalt, and nickel phthalocyanine tri-doped electrospun carbon nanofibre-based (FeCoNi-CNF) catalyst material is presented as an affordable and promising alternative to Pt-group metal (PGM)-based catalyst. The FeCoNi-CNF-coated glassy carbon electrode showed an oxygen reduction reaction/oxygen evolution reaction reversibility of 0.89 V in 0.1 M KOH solution. In RZAB, the maximum discharge power density (Pmax) of 120 mW cm-2 was obtained with FeCoNi-CNF, which is 86% of the Pmax measured with the PGM-based catalyst. Furthermore, during the RZAB charge-discharge cycling, the FeCoNi-CNF air electrode was found to be superior to the commercial PGM electrocatalyst in terms of operational durability and at least two times higher total life-time.
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Affiliation(s)
- Kaur Muuli
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Rohit Kumar
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Marek Mooste
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Viktoria Gudkova
- Department of Materials and Environmental Technology, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
| | - Alexey Treshchalov
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Helle-Mai Piirsoo
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Arvo Kikas
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Jaan Aruväli
- Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014 Tartu, Estonia
| | - Vambola Kisand
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Aile Tamm
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Andres Krumme
- Department of Materials and Environmental Technology, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
| | - Prabu Moni
- Advanced Ceramics, University of Bremen, Am Biologischen Garten 2, IW3, 28359 Bremen, Germany
| | - Michaela Wilhelm
- Advanced Ceramics, University of Bremen, Am Biologischen Garten 2, IW3, 28359 Bremen, Germany
| | - Kaido Tammeveski
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
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10
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Cebollada J, Sebastián D, Lázaro MJ, Martínez-Huerta MV. Carbonized Polydopamine-Based Nanocomposites: The Effect of Transition Metals on the Oxygen Electrocatalytic Activity. Nanomaterials (Basel) 2023; 13:nano13091549. [PMID: 37177094 PMCID: PMC10180844 DOI: 10.3390/nano13091549] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/02/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
The electrochemical oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are the most critical processes in renewable energy-related technologies, such as fuel cells, water electrolyzers, and unitized regenerative fuel cells. N-doped carbon composites have been demonstrated to be promising ORR/OER catalyst candidates because of their excellent electrical properties, tunable pore structure, and environmental compatibility. In this study, we prepared porous N-doped carbon nanocomposites (NC) by combining mussel-inspired polydopamine (PDA) chemistry and transition metals using a solvothermal carbonization strategy. The complexation between dopamine catechol groups and transition metal ions (Fe, Ni, Co, Zn, Mn, Cu, and Ti) results in hybrid structures with embedded metal nanoparticles converted to metal-NC composites after the carbonization process. The influence of the transition metals on the structural, morphological, and electrochemical properties was analyzed in detail. Among them, Cu, Co, Mn, and Fe N-doped carbon nanocomposites exhibit efficient catalytic activity and excellent stability toward ORR. This method improves the homogeneous distribution of the catalytically active sites. The metal nanoparticles in reduced (MnO, Fe3C) or metallic (Cu, Co) oxidation states are protected by the N-doped carbon layers, thus further enhancing the ORR performance of the composites. Still, only Co nanocomposite is also effective toward OER with a potential bifunctional gap (ΔE) of 0.867 V. The formation of Co-N active sites during the carbonization process, and the strong coupling between Co nanoparticles and the N-doped carbon layer could promote the formation of defects and the interfacial electron transfer between the catalyst surface, and the reaction intermediates, increasing the bifunctional ORR/OER performance.
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Affiliation(s)
- Jesús Cebollada
- Instituto de Catálisis y Petroleoquímica, CSIC, Marie Curie 2, Cantoblanco, 28049 Madrid, Spain
| | - David Sebastián
- Instituto de Carboquímica, CSIC, Miguel Luesma Castán 4, 50018 Zaragoza, Spain
| | - María Jesús Lázaro
- Instituto de Carboquímica, CSIC, Miguel Luesma Castán 4, 50018 Zaragoza, Spain
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11
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Lattanzi A. From Three- to Six-Membered Heterocycles Bearing a Quaternary Stereocenter: an Asymmetric Organocatalytic Approach. CHEM REC 2023; 23:e202300066. [PMID: 37042434 DOI: 10.1002/tcr.202300066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Indexed: 04/13/2023]
Abstract
The development of procedures useful to form quaternary stereocenters stands out as a highly challenging task in asymmetric synthesis. With the arrival of organocatalysis, different activation strategies became available to pursue this intriguing target, thus leading to notable advancements of the area. In this account, our achievements, spanning over a decade, on asymmetric methodologies to access novel three-, five-, six-membered heterocycles, including spiro compounds bearing quaternary stereocenters, will be highlighted. The Michael addition reaction has been often exploited to trigger cascade reactions, using organocatalysts mostly derived from Cinchona alkaloids, and operating under non-covalent activation of the reagents. Further manipulations of the enantioenriched heterocycles, attested them as useful compounds to prepare functionalized building blocks.
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Affiliation(s)
- Alessandra Lattanzi
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132-84084, Fisciano, Italy
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12
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Kim M, Kim Y, Ha MY, Shin E, Kwak SJ, Park M, Kim ID, Jung WB, Lee WB, Kim Y, Jung HT. Exploring Optimal Water Splitting Bifunctional Alloy Catalyst by Pareto Active Learning. Adv Mater 2023; 35:e2211497. [PMID: 36762586 DOI: 10.1002/adma.202211497] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/03/2023] [Indexed: 05/17/2023]
Abstract
Design of bifunctional multimetallic alloy catalysts, which are one of the most promising candidates for water splitting, is a significant issue for the efficient production of renewable energy. Owing to large dimensions of the components and composition of multimetallic alloys, as well as the trade-off behavior in terms of the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) overpotentials for bifunctional catalysts, it is difficult to search for high-performance bifunctional catalysts with multimetallic alloys using conventional trial-and-error experiments. Here, an optimal bifunctional catalyst for water splitting is obtained by combining Pareto active learning and experiments, where 110 experimental data points out of 77946 possible points lead to effective model development. The as-obtained bifunctional catalysts for HER and OER exhibit high performance, which is revealed by model development using Pareto active learning; among the catalysts, an optimal catalyst (Pt0.15 Pd0.30 Ru0.30 Cu0.25 ) exhibits a water splitting behavior of 1.56 V at a current density of 10 mA cm-2 . This study opens avenues for the efficient exploration of multimetallic alloys, which can be applied in multifunctional catalysts as well as in other applications.
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Affiliation(s)
- Minki Kim
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea
- Korea Advanced Institute of Science and Technology (KAIST) Institute for Nanocentury, Yuseong-gu, Daejeon, 34141, South Korea
| | - Yesol Kim
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea
- Korea Advanced Institute of Science and Technology (KAIST) Institute for Nanocentury, Yuseong-gu, Daejeon, 34141, South Korea
| | - Min Young Ha
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, South Korea
| | - Euichul Shin
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea
| | - Seung Jae Kwak
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, South Korea
| | - Minhee Park
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, South Korea
| | - Il-Doo Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea
| | - Woo-Bin Jung
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
| | - Won Bo Lee
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, South Korea
| | - YongJoo Kim
- School of Advanced Materials Engineering, Kookmin University, Seoul, 02707, South Korea
| | - Hee-Tae Jung
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea
- Korea Advanced Institute of Science and Technology (KAIST) Institute for Nanocentury, Yuseong-gu, Daejeon, 34141, South Korea
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13
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Lu B, Chen B, Wang D, Li C, Gao R, Liu Y, Mao R, Yang J, Zhou G. Engineering the interfacial orientation of MoS(2)/Co(9)S(8) bidirectional catalysts with highly exposed active sites for reversible Li-CO(2) batteries. Proc Natl Acad Sci U S A 2023; 120:e2216933120. [PMID: 36716361 DOI: 10.1073/pnas.2216933120] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Sluggish CO2 reduction reaction (CO2RR) and evolution reaction (CO2ER) kinetics at cathodes seriously hamper the applications of Li-CO2 batteries, which have attracted vast attention as one kind of promising carbon-neutral technology. Two-dimensional transition metal dichalcogenides (TMDs) have shown great potential as the bidirectional catalysts for CO2 redox, but how to achieve a high exposure of dual active sites of TMDs with CO2RR/CO2ER activities remains a challenge. Herein, a bidirectional catalyst that vertically growing MoS2 on Co9S8 supported by carbon paper (V-MoS2/Co9S8@CP) has been designed with abundant edge as active sites for both CO2RR and CO2ER, improves the interfacial conductivity, and modulates the electron transportation pathway along the basal planes. As evidenced by the outstanding energy efficiency of 81.2% and ultra-small voltage gap of 0.68 V at 20 μA cm-2, Li-CO2 batteries with V-MoS2/Co9S8@CP show superior performance compared with horizontally growing MoS2 on Co9S8 (H-MoS2/Co9S8@CP), MoS2@CP, and Co9S8@CP. Density functional theory calculations help reveal the relationship between performance and structure and demonstrate the synergistic effect between MoS2 edge sites and Co9S8. This work provides an avenue to understand and realize rationally designed electronic contact of TMDs with specified crystal facets, but more importantly, provides a feasible guide for the design of high-performance cathodic catalyst materials in Li-CO2 batteries.
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14
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Luo Z, Zhu Z, Xiao R, Chu D. Selective Production of 1,2-Propanediol or 1,3-Propanediol from Glycerol Hydrogenolysis over Transition Metal Doped Pt/TiO 2. Chem Asian J 2023; 18:e202201046. [PMID: 36546829 DOI: 10.1002/asia.202201046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/21/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022]
Abstract
Selective hydrogenolysis of biomass-derived glycerol to propanediol is important for producing high value-added chemicals from renewable resources but faces a huge challenge. Here we report a transition metal doped Pt/TiO2 catalyst with incorporated Cr, Mo, or W oxides, which exhibits the selective formation of 1,2-propanediol or 1,3-propanediol with a yield from 51.2% to 82.5% toward glycerol hydrogenolysis. In situ experimental studies verify that the surrounding CrOx decreases the hydrogenating ability of Pt, leading to the formation of 1,2-propanediol, while the MoOx or WOx brings the Brønsted acid, giving 1,3-propanediol. This modification based on the catalyst compositions alters the reaction pathway with a different adsorption and bond scission mechanism, which can be extended to other sustainable catalytic systems.
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Affiliation(s)
- Zhicheng Luo
- MOE Key Laboratory of Energy Thermal Conversion & Control, School of Energy and Environment, Southeast University, 210096, Nanjing, P. R. China
| | - Zhiguo Zhu
- College of Chemistry and Chemical Engineering, Yantai University, 264005, Yantai, P. R. China
| | - Rui Xiao
- MOE Key Laboratory of Energy Thermal Conversion & Control, School of Energy and Environment, Southeast University, 210096, Nanjing, P. R. China
| | - Dawang Chu
- School of Chemistry and Molecular Engineering, East China Normal University, 200062, Shanghai, P. R. China
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15
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Thorat BR, Mali SN, Wavhal SS, Bhagat DS, Borade RM, Chapolikar A, Gandhi A, Shinde P. L-Proline: A Versatile Organo-Catalyst in Organic Chemistry. Comb Chem High Throughput Screen 2023; 26:1108-1140. [PMID: 35864793 DOI: 10.2174/1386207325666220720105845] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND L-proline is a natural amino acid having secondary amine functionality and acts as a bifunctional catalyst (organo-catalyst). The amino-functional group acts as Lewis base type while carboxylic acids act as Brønsted acid type catalysts. It catalyzed different asymmetric syntheses, including known reactions such as Aldol condensation, Mannich reaction, Michael Addition, Knoevenagel condensation, Hantzsch synthesis, OXA-Michael Henry tandem, Ullmann reactions, Wieland-Miescher ketone synthesis, Robinson annulation, Biginelli reaction, α- amination. It is also an essential catalyst for synthesizing heterocyclic skeletons such as coumarin, spiro-oxindoles, imidazoles, benzimidazoles, quinoxalines, podophyllotoxin, benzothiazoles, isoxazolidines, phenothiazines, aziridine, indole, 1,5-benzodiazepines, pyridine, and quinazolines. OBJECTIVE In this review, we had the objective to critically summarize the use of proline and proline derivatives as catalysts of multicomponent reactions performed in various media and leading to synthetically and biologically relevant heterocycles, a very important class of compounds that constitutes over 60% of drugs and agrochemicals. METHODS All scholarly articles for L-Proline catalyzed reactions were retrieved from ScienceDirect, Google Scholar , PubMed, etc. Results and Conclusion: Given the importance of L-Proline based reactions, it has been observed to have tremendous applications in organic chemistry. It can also act as a 'Green catalyst'.
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Affiliation(s)
- Bapu R Thorat
- Government of Maharashtra, Government College of Arts and Science, Aurangabad 431001 (MS), India
| | - Suraj N Mali
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, India
| | - Swati S Wavhal
- Department of Chemistry, Government of Maharashtra's Ismail Yusuf College of Arts, Science and Commerce, Mumbai 410060 (MS), India
| | - Devidas S Bhagat
- Department of Chemistry, Government Institute of Forensic Science, Aurangabad 431 004, (MS), India
| | - Ravikumar M Borade
- Department of Chemistry, Government Institute of Forensic Science, Aurangabad 431 004, (MS), India
| | - A Chapolikar
- Government of Maharashtra, Government College of Arts and Science, Aurangabad 431001 (MS), India
| | - Ajaykumar Gandhi
- Government of Maharashtra, Government College of Arts and Science, Aurangabad 431001 (MS), India
| | - Pawan Shinde
- Government of Maharashtra, Government College of Arts and Science, Aurangabad 431001 (MS), India
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Yu R, Tan Y, Yao H, Xu Y, Huang J, Zhao B, Du Y, Hua Z, Li J, Shi J. Toward n-Alkane Hydroisomerization Reactions: High-Performance Pt-Al 2O 3/SAPO-11 Single-Atom Catalysts with Nanoscale Separated Metal-Acid Centers and Ultralow Platinum Content. ACS Appl Mater Interfaces 2022; 14:44377-44388. [PMID: 36153976 DOI: 10.1021/acsami.2c11607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Long-chain n-alkane hydroisomerization reaction plays a vital role in petrochemical and coal chemical industries, which could produce high-quality hydrocarbon fuels and lubricant base oils for modern transportation and mechanical drive. However, minimizing precious metal usage while maintaining the catalyst performance remains a great challenge. Herein, a novel bifunctional catalyst toward n-alkane hydroisomerization reactions, Pt-Al2O3/SAPO-11 (Pt-A/S11) featuring nanoscale separated metal-acid active centers has been synthesized via a simple two-step procedure. In detail, Pt species was first loaded on the nanometer-sized alumina matrices through an incipient wetness impregnation method and then mixed with SAPO-11 molecular sieve to form the composite catalyst. Importantly, 0.015Pt-A/S11 catalyst with the ever-reported lowest Pt loading amount of 0.015 wt % exhibits an extraordinarily high isomer yield of 85.8% compared to previous published results and the traditional Pt-SAPO-11/Al2O3 (Pt-S11/A) catalyst accompanying with the direct contact between metal and acid sites (65.6%). It has been confirmed that the Pt species in 0.015Pt-A/S11 samples exist in single-atom form, leading to an excellent hydroisomerization performance. The possible reaction processes have been discussed to elucidate the exemplary catalytic performance of the synthesized Pt-A/S11 catalysts with nanoscale intimacy of metal-acid sites.
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Affiliation(s)
- Rui Yu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China
| | - Yangchun Tan
- Green Chemical Engineering Technology Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, People's Republic of China
| | - Heliang Yao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China
| | - Yanhui Xu
- Green Chemical Engineering Technology Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, People's Republic of China
| | - Jian Huang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China
| | - Bin Zhao
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Yanyan Du
- Green Chemical Engineering Technology Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, People's Republic of China
| | - Zile Hua
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China
| | - Jiusheng Li
- Green Chemical Engineering Technology Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, People's Republic of China
| | - Jianlin Shi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China
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Ejeta SY, Imae T. Cobalt Incorporated Graphitic Carbon Nitride as a Bifunctional Catalyst for Electrochemical Water-Splitting Reactions in Acidic Media. Molecules 2022; 27:6445. [PMID: 36234984 DOI: 10.3390/molecules27196445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/19/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022] Open
Abstract
Non-noble metal-based bifunctional electrocatalysts may be a promising new resource for electrocatalytic water-splitting devices. In this work, transition metal (cobalt)-incorporated graphitic carbon nitride was synthesized and fabricated in electrodes for use as bifunctional catalysts. The optimum catalytic activity of this bifunctional material for the hydrogen evolution reaction (HER), which benefitted at a cobalt content of 10.6 wt%, was promoted by the highest surface area and conductivity. The activity achieved a minimum overpotential of ~85 mV at 10 mA/cm2 and a Tafel slope of 44.2 mV/dec in an acidic electrolyte. These values of the HER were close to those of a benchmark catalyst (platinum on carbon paper electrode). Moreover, the kinetics evaluation at the optimum catalyst ensured the catalyst flows (Volmer-Heyrovsky mechanism), indicating that the adsorption step is rate-determining for the HER. The activity for the oxygen evolution reaction (OER) indicated an overpotential of ~530 mV at 10 mAcm-2 and a Tafel slope of 193.3 mV/dec, which were slightly less or nearly the same as those of the benchmark catalyst. Stability tests using long-term potential cycles confirmed the high durability of the catalyst for both HER and OER. Moreover, the optimal bifunctional catalyst achieved a current density of 10 mAcm-2 at a cell voltage of 1.84 V, which was slightly less than that of the benchmark catalyst (1.98 V). Thus, this research reveals that the present bifunctional, non-noble metallic electrocatalyst is adequate for use as a water-splitting technology in acidic media.
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Chen Y, Li Y, Wang H, Chen Z, Lei YZ. Facile Construction of Carboxyl-Functionalized Ionic Polymer towards Synergistic Catalytic Cycloaddition of Carbon Dioxide into Cyclic Carbonates. Int J Mol Sci 2022; 23:ijms231810879. [PMID: 36142788 PMCID: PMC9506212 DOI: 10.3390/ijms231810879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022] Open
Abstract
The development of bifunctional ionic polymers as heterogeneous catalysts for effective, cocatalyst- and metal-free cycloaddition of carbon dioxide into cyclic carbonates has attracted increasing attention. However, facile fabrication of such polymers having high numbers of ionic active sites, suitable types of hydrogen bond donors (HBDs), and controlled spatial positions of dual active sites remains a challenging task. Herein, imidazolium-based ionic polymers with hydroxyl/carboxyl groups and high ionic density were facilely prepared by a one-pot quaternization reaction. Catalytic evaluation demonstrated that the presence of HBDs (hydroxyl or carboxyl) could enhance the catalytic activities of ionic polymers significantly toward the CO2 cycloaddition reaction. Among the prepared catalysts, carboxyl-functionalized ionic polymer (PIMBr-COOH) displayed the highest catalytic activity (94% yield) in the benchmark cycloaddition reaction of CO2 and epichlorohydrin, which was higher than hydroxyl-functionalized ionic polymer (PIMBr-OH, 76% yield), and far exceeded ionic polymer without HBDs groups (PIMBr, 54% yield). Furthermore, PIMBr-COOH demonstrated good recyclability and wide substrate tolerance. Under ambient CO2 pressure, a number of epoxides were smoothly cycloadded into cyclic carbonates. Additionally, density functional theory (DFT) calculation verified the formation of strong hydrogen bonds between epoxide and the HBDs of ionic polymers. Furthermore, a possible mechanism was proposed based on the synergistic effect between carboxyl and Br− functionalities. Thus, a facile, one-pot synthetic strategy for the construction of bifunctional ionic polymers was developed for CO2 fixation.
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Affiliation(s)
- Ying Chen
- College of Environmental and Chemical Engineering, Dalian University, Dalian 116622, China
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
| | - Yingjun Li
- College of Environmental and Chemical Engineering, Dalian University, Dalian 116622, China
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
| | - Hu Wang
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
| | - Zaifei Chen
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
| | - Yi-Zhu Lei
- College of Environmental and Chemical Engineering, Dalian University, Dalian 116622, China
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
- Correspondence:
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Li K, Feng D, Tong Y. Hierarchical Metal Sulfides Heterostructure as Superior Bifunctional Electrode for Overall Water Splitting. ChemSusChem 2022; 15:e202200590. [PMID: 35590444 DOI: 10.1002/cssc.202200590] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/08/2022] [Indexed: 06/15/2023]
Abstract
The development of highly active bifunctional electrocatalysts for overall water splitting is of significant importance, but huge challenges remain. The key element depends on engineering the electronic structure and surface properties of material to achieve improved catalytic activity. Herein, a hierarchical nanowire array of metal sulfides heterostructure on nickel foam (FeCoNiSx /NF) was designed as a novel type of hybrid electrocatalyst for overall water splitting. The hybrid structure endowed plenty of catalytic active sites, strong electronic interactions, and high interfacial charge transferability, leading to superior bifunctional performance. As a result, the FeCoNiSx /NF catalyst delivered low overpotentials of 97 and 260 mV at the current density of 50 mA cm-2 for hydrogen and oxygen evolution reactions, respectively. Moreover, the FeCoNiSx /NF-based water electrolyzer exhibited a small potential of 1.57 V for a high current density of 50 mA cm-2 . These results indicate the promising application potential of FeCoNiSx /NF electrode for hydrogen generation. This work provides a new approach to develop robust hybrid materials as the highly active electrode for electrocatalytic water splitting.
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Affiliation(s)
- Kaixun Li
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Dongmei Feng
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Yun Tong
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
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Liu Y, Shi X, Hu J, Liu K, Zeng M, Hou Y, Wei Z. Highly Effective Activated Carbon-Supported Ni-Mn Bifunctional Catalyst for Selective Hydrodeoxygenation of 5-Hydroxymethylfurfural to 2,5-Dimethylfuran. ChemSusChem 2022; 15:e202200193. [PMID: 35333002 DOI: 10.1002/cssc.202200193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Designing highly efficient and low-cost catalysts for conversion of renewable biomass into high value-added chemicals and biofuels is important and challenging. Herein, a non-noble Ni-Mn bifunctional catalyst supported on activated carbon (Ni-Mn/AC) was developed by an incipient wetness impregnation method. The catalyst was found to be economic and efficient for the selective hydrodeoxygenation of biomass-derived 5-hydroxymethylfurfural (5-HMF) to 2,5-dimethylfuran (2,5-DMF). The optimal Ni-Mn/AC (Ni/Mn=3) catalyst achieved 98.5 % 2,5-DMF yield with 100 % conversion of 5-HMF under mild reaction conditions of 180 °C, 2.0 MPa H2 for 4 h. Furthermore, the catalyst exhibited outstanding reusability and could be recycled eight times without loss of activity. The addition of Mn not only enhanced the reactivity of 5-HMF but also resulted in the dominant reaction pathway shift from the hydrogenation of the C=O bond to the hydrogenolysis of C-OH bond, which was attributed to the synergy of highly dispersed Ni metallic nanoparticles and moderate Lewis acid sites from MnOx as revealed by detailed characterizations.
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Affiliation(s)
- Yingxin Liu
- College of Pharmaceutical Science, Zhejiang University of Technology, 310014, Hangzhou, P. R. China
| | - Xiaoyang Shi
- College of Pharmaceutical Science, Zhejiang University of Technology, 310014, Hangzhou, P. R. China
| | - Jinbo Hu
- College of Pharmaceutical Science, Zhejiang University of Technology, 310014, Hangzhou, P. R. China
| | - Kai Liu
- College of Pharmaceutical Science, Zhejiang University of Technology, 310014, Hangzhou, P. R. China
| | - Mao Zeng
- College of Pharmaceutical Science, Zhejiang University of Technology, 310014, Hangzhou, P. R. China
| | - Yaxin Hou
- Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
| | - Zuojun Wei
- Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
- Institute of Zhejiang University-Quzhou Jiuhua Boulevard North, 324000, Quzhou, P. R. China
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21
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Xia L, Pan K, Wu H, Wang F, Liu Y, Xu Y, Dong Z, Wei B, Wei S. Few-Layered WS 2 Anchored on Co, N-Doped Carbon Hollow Polyhedron for Oxygen Evolution and Hydrogen Evolution. ACS Appl Mater Interfaces 2022; 14:22030-22040. [PMID: 35466672 DOI: 10.1021/acsami.2c00326] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Tungsten disulfide (WS2) is well known to have great potential as an electrocatalyst, but the practical application is hampered by its intrinsic inert plane and semiconductor properties. In this work, owing to a Co-based zeolite imidazole framework (ZIF-67) that effectively inhibited WS2 growth, few-layered WS2 was confined to the surface of Co, N-doped carbon polyhedron (WS2@Co9S8), with more marginal active sites and higher conductivity, which promoted efficient oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). For the first time, WS2@Co9S8 was prepared by mixing in one pot of a liquid phase and calcination, and WS2 realized uniform distribution on the polyhedron surface by electrostatic adsorption in the liquid phase. The obtained hybrid catalyst exhibited excellent OER and HER catalytic activity, and the OER potential was only 15 mV at 10 mA cm-2 higher than that of noble metal oxide (RuO2). The improvement of catalytic activity can be attributed to the enhanced exposure of sulfur edge sites by WS2, the unique synergistic effect between WS2 and Co9S8 on the metal-organic framework (MOF) surface, and the effective shortening of the diffusion path by the hollow multi-channel structure. Therefore, the robust catalyst (WS2@Co9S8) prepared by a simple and efficient synthesis method in this work will serve as a highly promising bifunctional catalyst for OER and HER.
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Affiliation(s)
- Liangbin Xia
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
| | - Kunming Pan
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
| | - Haitao Wu
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou City, Jiangsu Province 215009, China
| | - Fang Wang
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
- Henan Province International Joint Laboratory of Materials for Solar Energy Conversion and Lithium Sodium based Battery, Luoyang 471023, China
| | - Yong Liu
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
| | - Yanjie Xu
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
| | - Zhili Dong
- School of Materials Science and Engineering, Nanyang Technological University 639798, Singapore
| | - Bicheng Wei
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
| | - Shizhong Wei
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
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22
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Li J, Gao C, Wang H, Li B, Zhao S, Kim YD, Liu Z, Du X, Peng Z. Surface Modulation of 3D Porous CoNiP Nanoarrays In Situ Grown on Nickel Foams for Robust Overall Water Splitting. Int J Mol Sci 2022; 23:ijms23105290. [PMID: 35628102 PMCID: PMC9141634 DOI: 10.3390/ijms23105290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/22/2022] [Accepted: 04/28/2022] [Indexed: 02/01/2023] Open
Abstract
The careful design of nanostructures and multi-compositions of non-noble metal-based electrocatalysts for highly efficient electrocatalytic hydrogen and oxygen evolution reaction (HER and OER) is of great significance to realize sustainable hydrogen release. Herein, bifunctional electrocatalysts of the three-dimensional (3D) cobalt-nickel phosphide nanoarray in situ grown on nickel foams (CoNiP NA/NF) were synthesized through a facile hydrothermal method followed by phosphorization. Due to the unique self-template nanoarray structure and tunable multicomponent system, the CoNiP NA/NF samples present exceptional activity and durability for HER and OER. The optimized sample of CoNiP NA/NF-2 afforded a current density of 10 mA cm−2 at a low overpotential of 162 mV for HER and 499 mV for OER, corresponding with low Tafel slopes of 114.3 and 79.5 mV dec−1, respectively. Density functional theory (DFT) calculations demonstrate that modulation active sites with appropriate electronic properties facilitate the interaction between the catalyst surface and intermediates, especially for the adsorption of absorbed H* and *OOH intermediates, resulting in an optimized energy barrier for HER and OER. The 3D nanoarray structure, with a large specific surface area and abundant ion channels, can enrich the electroactive sites and enhance mass transmission. This work provides novel strategies and insights for the design of robust non-precious metal catalysts.
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Affiliation(s)
- Jianpeng Li
- College of Chemistry, Research Center of Green Catalysis, Henan Institute of Advance Technology, Zhengzhou University, Zhengzhou 450001, China; (J.L.); (H.W.); (B.L.); (Z.L.); (Z.P.)
| | - Caiyan Gao
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China;
| | - Haiyang Wang
- College of Chemistry, Research Center of Green Catalysis, Henan Institute of Advance Technology, Zhengzhou University, Zhengzhou 450001, China; (J.L.); (H.W.); (B.L.); (Z.L.); (Z.P.)
| | - Baojun Li
- College of Chemistry, Research Center of Green Catalysis, Henan Institute of Advance Technology, Zhengzhou University, Zhengzhou 450001, China; (J.L.); (H.W.); (B.L.); (Z.L.); (Z.P.)
| | - Shufang Zhao
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Korea; taylorbjt096-@naver.com (S.Z.); (Y.D.K.)
| | - Young Dok Kim
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Korea; taylorbjt096-@naver.com (S.Z.); (Y.D.K.)
| | - Zhongyi Liu
- College of Chemistry, Research Center of Green Catalysis, Henan Institute of Advance Technology, Zhengzhou University, Zhengzhou 450001, China; (J.L.); (H.W.); (B.L.); (Z.L.); (Z.P.)
| | - Xin Du
- College of Chemistry, Research Center of Green Catalysis, Henan Institute of Advance Technology, Zhengzhou University, Zhengzhou 450001, China; (J.L.); (H.W.); (B.L.); (Z.L.); (Z.P.)
- Correspondence:
| | - Zhikun Peng
- College of Chemistry, Research Center of Green Catalysis, Henan Institute of Advance Technology, Zhengzhou University, Zhengzhou 450001, China; (J.L.); (H.W.); (B.L.); (Z.L.); (Z.P.)
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23
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Rana AK, Jeong MH, Noh YI, Park H, Baik JM, Choi KJ. Phase-Tuned MoS 2 and Its Hybridization with Perovskite Oxide as Bifunctional Catalyst: A Rationale for Highly Stable and Efficient Water Splitting. ACS Appl Mater Interfaces 2022; 14:18248-18260. [PMID: 35413181 DOI: 10.1021/acsami.1c21425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The efficient realization of bifunctional catalysts has immense opportunities in energy conversion technologies such as water splitting. Transition metal dichalcogenides (TMDs) are considered excellent hydrogen evolution catalysts owing to their hierarchical atomic-scale layered structure and feasible phase transition. On the other hand, for efficient oxygen evolution, perovskite oxides offer the best performance based on their rational design and flexible compositional structure. A unique way to achieve an efficient hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in a single-cell configuration is through the hybridization of TMDs with perovskite oxides to form a bifunctional electrocatalyst. Here, we report a simple yet effective strategy to inherently tune the intrinsic properties of a TMD based on MoS2 and its hybridization with LaCoO3 perovskite oxide to deliver enhanced electrocatalytic activity for both the HER and OER. Detailed Raman and XPS measurements highlighted a clear phase transformation of MoS2 from a semiconducting to metallic phase by effectively tailoring the precursor compositions. Based on this, the morphological features yielded an interesting spherical flower-shaped nanostructure with vertically aligned petals of MoS2 with increased surface-active edge sites suitable for the HER. Subsequent hybridization of nanostructured MoS2 with LaCoO3 provides a bifunctional catalytic system with an increased BET surface area of 33.4 m2/g for an overall improvement in water splitting with a low onset potential (HER: 242 mV and OER: 1.6 V @10 mA cm-2) and Tafel slope (HER: 78 mV dec-1; OER: 62.5 mV dec-1). Additionally, the bifunctional catalyst system exhibits long-term stability of up to ∼400 h under continuous operation at a high current density of 50 mA cm-2. These findings will pave the way for developing cost-effective and less complex bifunctional catalysts by simply and inherently tuning the influential material properties for full-cell electrochemical water splitting.
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Affiliation(s)
- Amit Kumar Rana
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Myeong Hoon Jeong
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Young Im Noh
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Hyesung Park
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jeong Min Baik
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Kyoung Jin Choi
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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24
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Lee HJ, Maruoka K. Design of Bifunctional Amino Tf-Amide Organocatalysts and Application in Various Asymmetric Transformations. CHEM REC 2022; 22:e202200004. [PMID: 35179310 DOI: 10.1002/tcr.202200004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 11/08/2022]
Abstract
In this personal account, we describe our recent developments on the four types of amino Tf-amide catalysts in asymmetric transformations. Firstly, axially chiral biaryl-based secondary-amino Tf-amide catalyzed various stereoselective reactions via enamine intermediates. Secondly, pyrrolidine-based secondary-amino aliphatic Tf-amide catalyzed asymmetric direct Mannich reaction. Thirdly, chiral primary-amino aliphatic Tf-amide catalyzed asymmetric direct aldol reaction and conjugate addition. Finally, modified chiral amino aromatic Tf-amide catalyzed asymmetric transformations. These four different strategies are illustrated by using various organocatalyzed asymmetric transformations.
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Affiliation(s)
- Hyo-Jun Lee
- Department of Chemistry, Kunsan National University, Gunsan, 54150, Republic of Korea
| | - Keiji Maruoka
- Graduate School of Pharmaceutical Sciences, Kyoto University Sakyo, Kyoto, 606-8501, Japan.,School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
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25
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Li D, Liang J, Robertson SJ, Chen Y, Wang N, Shao M, Shi Z. Heterogeneous Bimetallic Organic Coordination Polymer-Derived Co/Fe@NC Bifunctional Catalysts for Rechargeable Li-O 2 Batteries. ACS Appl Mater Interfaces 2022; 14:5459-5467. [PMID: 35075893 DOI: 10.1021/acsami.1c22643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The Li-O2 battery has attracted substantial attention due to its high theoretical energy density. In particular, high-efficiency oxygen catalysts are very important for the design of practical Li-O2 batteries. Herein, we have synthesized heterogeneous crystalline-coated partially crystalline bimetallic organic coordination polymers (PC@C-BMOCPs), which are further pyrolyzed to obtain Co- and Fe-based nanoparticles embedded within rodlike N-doped carbon (Co/Fe@NC) as a bifunctional oxygen reduction reaction/oxygen evolution reaction (ORR/OER) catalyst used in the Li-O2 battery. Owing to excellent ORR/OER catalytic ability, the Co/Fe@NC bifunctional catalyst exhibits an efficient reversible reaction between O2 and Li2O2. Additionally, a large number of mesoporous channels are present in the core-shell Co/Fe@NC nanoparticles. These channels not only promote the diffusion of Li+ and O2, but also create ample room to store insoluble discharge product Li2O2. The Li-O2 batteries utilizing the bifunctional Co/Fe@NC oxygen electrode exhibit a large capacity of 17,326 mAh g-1, a long cycling life of more than 250 cycles, and excellent reversibility. This work provides a universally applicable strategy for designing nonnoble metal ORR/OER catalysts with excellent electrochemical performance for metal-air batteries.
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Affiliation(s)
- Dongdong Li
- Institute of Batteries, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Jianwen Liang
- Institute of Batteries, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Stuart J Robertson
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Yingtong Chen
- Institute of Batteries, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Naiguang Wang
- Institute of Batteries, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Minhua Shao
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
- Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
- Guangzhou HKUST, HKUST-Shenzhen Research Institute, Shenzhen, Guangdong 518057, China
| | - Zhicong Shi
- Institute of Batteries, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
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Liu X, Zhang G, Wang L, Fu H. Structural Design Strategy and Active Site Regulation of High-Efficient Bifunctional Oxygen Reaction Electrocatalysts for Zn-Air Battery. Small 2021; 17:e2006766. [PMID: 34085767 DOI: 10.1002/smll.202006766] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/03/2021] [Indexed: 05/27/2023]
Abstract
Zinc-air batteries (ZABs) exhibit high energy density as well as flexibility, safety, and portability, thereby fulfilling the requirements of power batteries and consumer batteries. However, the limited efficiency and stability are still the significant challenge. Oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are two crucial cathode reactions in ZABs. Development of bifunctional ORR/OER catalysts with high efficiency and well stability is critical to improve the performance of ZABs. In this review, the ORR and OER mechanisms are first explained. Further, the design principles of ORR/OER electrocatalysts are discussed in terms of atomic adjustment mechanism and structural design in conjunction with the latest reported in situ characterization techniques, which provide useful insights on the ORR/OER mechanisms of the catalyst. The improvement in the energy efficiency, stability, and environmental adaptability of the new hybrid ZAB by the inclusion of additional reaction, including the introduction of transition-metal redox couples in the cathode and the addition of modifiers in the electrolyte to change the OER pathway, is also summarized. Finally, current challenges and future research directions are presented.
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Affiliation(s)
- Xu Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, China
| | - Guangying Zhang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, China
| | - Lei Wang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, China
| | - Honggang Fu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, China
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27
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Zhao K, Quan X, Su Y, Qin X, Chen S, Yu H. Enhanced Chlorinated Pollutant Degradation by the Synergistic Effect between Dechlorination and Hydroxyl Radical Oxidation on a Bimetallic Single-Atom Catalyst. Environ Sci Technol 2021; 55:14194-14203. [PMID: 34618424 DOI: 10.1021/acs.est.1c04943] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Chlorinated organic pollutants are highly toxic and widespread in the environment, which cause ecological risk and threaten the human health. Chlorinated pollutants are difficult to degrade and mineralize by the conventional advanced oxidation process as the C-Cl bond is resistant to reactive oxygen species oxidation. Herein, we designed a bifunctional Fe/Cu bimetallic single-atom catalyst anchored on N-doped porous carbon (FeCuSA-NPC) for the electro-Fenton process, in which chlorinated pollutants are dechlorinated on single-atom Cu and subsequently oxidized by the ·OH radical produced from O2 conversion on single-atom Fe. Benefitting from the synergistic effect between dechlorination on single-atom Cu and ·OH oxidation on single-atom Fe, the chlorinated organic pollutants can be efficiently degraded and mineralized. The mass activity for chlorinated organic pollutant degradation by FeCuSA-NPC is 545.1-1374 min-1 gmetal-1, excessing the highest value of the reported electrocatalyst. Moreover, FeCuSA-NPC is demonstrated to be pH-universal, long-term stable, and environment friendly. This work provides a new insight into the rational design of a bifunctional electrocatalyst for efficient removal of chlorinated organic pollutants.
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Affiliation(s)
- Kun Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xie Quan
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Yan Su
- Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian 116024, China
| | - Xin Qin
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Shuo Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Hongtao Yu
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
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28
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Liu Y, Hong D, Chen M, Su Z, Gao Y, Zhang Y, Long D. Pt-NbC Composite as a Bifunctional Catalyst for Redox Transformation of Polysulfides in High-Rate-Performing Lithium-Sulfur Batteries. ACS Appl Mater Interfaces 2021; 13:35008-35018. [PMID: 34275287 DOI: 10.1021/acsami.1c10228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Accelerating the redox reaction of polysulfides via catalysis is an effective way to suppress the shuttling effect in lithium-sulfur (Li-S) cells. However, recent studies have mainly focused on the singular function of the catalyst, i.e., either oxidation or reduction of polysulfides. As such, the goal of rapid cycling of sulfur species remains to be highly desired. Herein, a Pt-carbide composite as a bifunctional catalyst was developed to simultaneously accelerate both the reduction of soluble polysulfides and the oxidation of insoluble Li2S/Li2S2. Typically, a Pt-NbC composite was synthesized by growing Pt nanoparticles on the surface of NbC, and the resultant intimate interface in the hybrid is a key component for the bifunctional catalysis. During the reduction process, polysulfides could be grabbed on the surface of NbC via strong adsorption, and then these trapped polysulfides could be catalytically converted by Pt nanoparticles. During the oxidation process, both NbC and Pt exhibited catalytic activities for the dissolution of Li2S. This process could lead to the renewal of the surface of the catalyst. By combining the sulfur cathode with a Pt-NbC-CNT (Pt-NbC anchored on a carbon nanotube)-coated separator, the cell was able to demonstrate a high initial capacity of 1382 mAh g-1 at a current density of 0.2C. Furthermore, the cell was able to achieve an exceptional rate capability of 795 mAh g-1 at 5C, and it was also able to show significantly inhibited self-discharge behavior. Thus, this work explores the catalyst design and the mechanism of a bifunctional catalyst for the performance enhancement in Li-S cells.
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Affiliation(s)
- Yajing Liu
- College of Chemistry and Chemical Engineering, Qinghai Normal University, Xining 810016, China
| | - Donghui Hong
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Mingqi Chen
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Zhe Su
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yanfang Gao
- College of Chemical Engineering, Inner Mongolia University of Technology, Hohhot 010051, China
| | - Yayun Zhang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Donghui Long
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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29
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Liu J, Wang Y, Liao Y, Wu C, Yan Y, Xie H, Chen Y. Heterostructured Ni 3S 2-Ni 3P/NF as a Bifunctional Catalyst for Overall Urea-Water Electrolysis for Hydrogen Generation. ACS Appl Mater Interfaces 2021; 13:26948-26959. [PMID: 34078074 DOI: 10.1021/acsami.1c04325] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Urea oxidation reaction (UOR) has been proposed to replace the formidable oxygen evolution reaction (OER) to reduce the energy consumption for producing hydrogen from electrolysis of water owing to its much lower thermodynamic oxidation potential compared to that of the OER. Therefore, exploring a highly efficient and stable hydrogen evolution and urea electrooxidation bifunctional catalyst is the key to achieve economical and efficient hydrogen production. In this paper, we report a heterostructured sulfide/phosphide catalyst (Ni3S2-Ni3P/NF) synthesized via one-step thermal treatment of Ni(OH)2/NF, which allows the simultaneous occurrence of phosphorization and sulfuration. The obtained Ni3S2-Ni3P/NF catalyst shows a sheet structure with an average sheet thickness of ∼100 nm, and this sheet is composed of interconnected Ni3S2 and Ni3P nanoparticles (∼20 nm), between which there are a large number of accessible interfaces of Ni3S2-Ni3P. Thus, the Ni3S2-Ni3P/NF exhibits superior performance for both UOR and hydrogen evolution reaction (HER). For the overall urea-water electrolysis, to achieve current densities of 10 and 100 mA cm-2, cell voltage of only 1.43 and 1.65 V is required using this catalyst as both the anode and the cathode. Moreover, this catalyst also maintains fairly excellent stability after a long-term testing, indicating its potential for efficient and energy-saving hydrogen production. The theoretical calculation results show that the Ni atoms at the interface are the most efficient catalytically active site for the HER, and the free energy of hydrogen adsorption is closest to thermal neutrality, which is only 0.16 eV. A self-driven electron transfer at the interface, making the Ni3S2 sides become electron donating while Ni3P sides become electron withdrawing, may be the reason for the enhancement of the UOR activity. Therefore, this work shows an easy treatment for enhancing the catalytic activity of Ni-based materials to achieve high-efficiency urea-water electrolysis.
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Affiliation(s)
- Jinchao Liu
- Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
- Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, P. R. China
| | - Yao Wang
- Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610065, P. R. China
- Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, P. R. China
| | - Yifei Liao
- Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
- Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, P. R. China
| | - Chaoling Wu
- Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
- Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, P. R. China
| | - Yigang Yan
- Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610065, P. R. China
- Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, P. R. China
| | - Haijiao Xie
- Hangzhou Yanqu Information Technology Co., Ltd., Y2, 2nd Floor, Building 2, Xixi Legu Creative Pioneering Park, No. 712 Wen'er West Road, Xihu District, Hangzhou, Zhejiang 310003, P. R. China
| | - Yungui Chen
- Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610065, P. R. China
- Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, P. R. China
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30
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Iqbal Waidha A, Khatoon Siddiqui H, Ikeda Y, Lepple M, Vasala S, Donzelli M, Fortes AD, Slater P, Grabowski B, Kramm UI, Clemens O. Structural, Magnetic and Catalytic Properties of a New Vacancy Ordered Perovskite Type Barium Cobaltate BaCoO 2.67. Chemistry 2021; 27:9763-9767. [PMID: 33908660 PMCID: PMC8361746 DOI: 10.1002/chem.202101167] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Indexed: 12/01/2022]
Abstract
A new vacancy ordered, anion deficient perovskite modification with composition of BaCoO2.67 (Ba3Co3O8□1) has been prepared via a two‐step heating process. Combined Rietveld analysis of neutron and X‐ray powder diffraction data shows a novel ordering of oxygen vacancies not known before for barium cobaltates. A combination of neutron powder diffraction, magnetic measurements, and density functional theory (DFT) studies confirms G‐type antiferromagnetic ordering. From impedance measurements, the electronic conductivity of the order of 10−4 S cm−1 is determined. Remarkably, the bifunctional catalytic activity for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is found to be comparable to that of Ba0.5Sr0.5Co0.8Fe0.2O3–y, confirming that charge‐ordered anion deficient non‐cubic perovskites can be highly efficient catalysts.
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Affiliation(s)
- Aamir Iqbal Waidha
- Materials Synthesis Group, Institute of Material Science, University of Stuttgart, Hesisenbergstraße 3, 70569, Stuttgart, Germany
| | - Humera Khatoon Siddiqui
- Catalysts and Electrocatalyst, Department of Chemistry, Eduard-Zintl Institute for Inorganic and Physical Chemistry, Technische Universität Darmstadt, 64287, Darmstadt, Germany
| | - Yuji Ikeda
- Department of Materials Design, Institute for Materials Science, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Maren Lepple
- DECHEMA-Forschungsinstitut, Theodor-Heuss-Allee 25, 60486, Frankfurt am Main, Germany
| | - Sami Vasala
- Materials Synthesis Group, Institute of Material Science, University of Stuttgart, Hesisenbergstraße 3, 70569, Stuttgart, Germany
| | - Manuel Donzelli
- Materials Synthesis Group, Institute of Material Science, University of Stuttgart, Hesisenbergstraße 3, 70569, Stuttgart, Germany
| | - A D Fortes
- Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, ISIS Facility, Didcot, Oxfordshire, OX11 0QX, UK
| | - Peter Slater
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Blazej Grabowski
- Department of Materials Design, Institute for Materials Science, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Ulrike I Kramm
- Catalysts and Electrocatalyst, Department of Chemistry, Eduard-Zintl Institute for Inorganic and Physical Chemistry, Technische Universität Darmstadt, 64287, Darmstadt, Germany
| | - Oliver Clemens
- Materials Synthesis Group, Institute of Material Science, University of Stuttgart, Hesisenbergstraße 3, 70569, Stuttgart, Germany
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31
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Sun J, Abednatanzi S, Chen H, Liu YY, Leus K, Van Der Voort P. Bifunctional Noble-Metal-Free Catalyst for the Selective Aerobic Oxidation-Knoevenagel One-Pot Reaction: Encapsulation of Polyoxometalates into an Alkylamine-Modified MIL-101 Framework. ACS Appl Mater Interfaces 2021; 13:23558-23566. [PMID: 33973759 DOI: 10.1021/acsami.1c01621] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
One-pot reactions offer economic and environmental advantages. Therefore, the design and synthesis of multifunctional catalysts capable of catalyzing multistep organic transformations are highly important. Herein, an effective bifunctional heterogeneous catalyst is presented. For the first time, the encapsulation of H5PMo10V2O40 (PMoV2) polyoxometalate into the cages of an alkylamine-modified MIL-101 using an optimized double-solvent method is reported. The obtained PMoV2@DETA-MIL-101 material displays a great catalytic performance (99% conversion of alcohols) for the selective aerobic oxidation-Knoevenagel one-pot reaction. To the best of our knowledge, this is one of the first reports on the usage of noble-metal-free catalysts for the aerobic oxidation-Knoevenagel one-pot reaction without the addition of additives. The catalyst is very stable and can be used for at least five cycles with no leaching of the active sites.
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Affiliation(s)
- Jiamin Sun
- COMOC-Center for Ordered Materials, Organometallics and Catalysis, Department of Chemistry, Ghent University, Krijgslaan 281, building S3, 9000 Ghent, Belgium
| | - Sara Abednatanzi
- COMOC-Center for Ordered Materials, Organometallics and Catalysis, Department of Chemistry, Ghent University, Krijgslaan 281, building S3, 9000 Ghent, Belgium
| | - Hui Chen
- COMOC-Center for Ordered Materials, Organometallics and Catalysis, Department of Chemistry, Ghent University, Krijgslaan 281, building S3, 9000 Ghent, Belgium
| | - Ying-Ya Liu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116023 Dalian, PR China
| | - Karen Leus
- COMOC-Center for Ordered Materials, Organometallics and Catalysis, Department of Chemistry, Ghent University, Krijgslaan 281, building S3, 9000 Ghent, Belgium
| | - Pascal Van Der Voort
- COMOC-Center for Ordered Materials, Organometallics and Catalysis, Department of Chemistry, Ghent University, Krijgslaan 281, building S3, 9000 Ghent, Belgium
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32
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Gao L, Chang S, Zhang Z. High-Quality CoFeP Nanocrystal/N, P Dual-Doped Carbon Composite as a Novel Bifunctional Electrocatalyst for Rechargeable Zn-Air Battery. ACS Appl Mater Interfaces 2021; 13:22282-22291. [PMID: 33969984 DOI: 10.1021/acsami.1c00484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A novel composite catalyst (CoFeP@C) was constructed by high-quality CoFeP nanoparticles embedded in a N, P dual-doped carbon matrix. These CoFeP nanoparticles are rich in active sites of the oxygen evolution reaction (OER) at surfaces and provide metallic conductivity in their bulk phases. The N, P dual-doped carbon matrix provided abundant active sites of the oxygen reduction reaction (ORR) and formed a conductive network substrate. The ideal composite structure endowed CoFeP@C with highly efficient bifunctional performance for catalyzing both OER and ORR, accordingly making CoFeP@C an ideal catalyst for rechargeable Zn-air batteries. The liquid Zn-air battery of CoFeP@C has achieved a large power density of 143.5 mW/cm2 and can be charged and discharged stably for 200 h (1200 cycles). The solid-state Zn-air battery of CoFeP@C has achieved a power density of 72.6 mW/cm2 and can stably run for 20 h. This work has deepened the understanding of synergistic catalysis and paved one way for the development of high-performance bifunctional catalysts.
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Affiliation(s)
- Liang Gao
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China
| | - Shengming Chang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China
| | - Zhongyi Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China
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33
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Jia C, Zhang F, She L, Li Q, He X, Sun J, Lei Z, Liu ZH. Ultra-Large Sized Siloxene Nanosheets as Bifunctional Photocatalyst for a Li-O 2 Battery with Superior Round-Trip Efficiency and Extra-Long Durability. Angew Chem Int Ed Engl 2021; 60:11257-11261. [PMID: 33655589 DOI: 10.1002/anie.202101991] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Indexed: 11/07/2022]
Abstract
Developing new optimized bifunctional photocatalyst is of great significant for achieving the high-performance photo-assisted Li-O2 batteries. Herein, a novel bifunctional photo-assisted Li-O2 system is constructed by using siloxene nanosheets with ultra-large size and few-layers due to its superior light harvesting, semiconductor characteristic, and low recombination rate. An ultra-low charge potential of 1.90 V and ultra-high discharge of 3.51 V have been obtained due to the introduction of this bifunctional photocatalyst into Li-O2 batteries, and these results have realized the round-trip efficiency up to 185 %. In addition, this photo-assisted Li-O2 batteries exhibits a high rate (129 % round-trip efficiency at 1 mA cm-2 ), a prolonged cycling life with 92 % efficiency retention after 100 cycles, and the highly reversible capacity of 1170 mAh g-1 at 0.75 mA cm-2 . This work will open the vigorous opportunity for high-efficiency utilization of solar energy into electric system.
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Affiliation(s)
- Congying Jia
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Feng Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Liaona She
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Qi Li
- Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Xuexia He
- Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Jie Sun
- Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Zhibin Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Zong-Huai Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
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34
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Tate GL, Mehrabadi BAT, Xiong W, Kenvin A, Monnier JR. Synthesis of Highly Active Pd@Cu-Pt/C Methanol Oxidation Electrocatalysts via Continuous, Co-Electroless Deposition. Nanomaterials (Basel) 2021; 11:nano11030793. [PMID: 33808842 PMCID: PMC8003816 DOI: 10.3390/nano11030793] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/09/2021] [Accepted: 03/15/2021] [Indexed: 12/20/2022]
Abstract
Controlled deposition of metals is essential for the creation of bimetallic catalysts having predictable composition and character. Continuous co-electroless deposition (co-ED) permits the creation of bimetallic catalysts with predictive control over composition. This method was applied to create a suite of Cu–Pt mixed-metal shell catalysts for use in methanol electrooxidation in direct methanol fuel cell applications (DMFCs). Enhanced performance of Cu–Pt compositions over Pt alone was predicted by existing computational studies in the literature. Experimental evidence from this study supports the bifunctional catalyst explanation for enhanced activity and confirms the optimum Cu:Pt ratio as Cu3Pt for this methanol electrooxidation. This ability to control the composition of a bimetallic shell can be extended to other systems where the ratio of two metals is critical for catalytic performance.
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Affiliation(s)
- Gregory L. Tate
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA; (G.L.T.); (B.A.T.M.); (W.X.); (A.K.)
| | - Bahareh Alsadat Tavakoli Mehrabadi
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA; (G.L.T.); (B.A.T.M.); (W.X.); (A.K.)
- Research and Development, Nikola Motors, Phoenix, AZ 85040, USA
| | - Wen Xiong
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA; (G.L.T.); (B.A.T.M.); (W.X.); (A.K.)
| | - Adam Kenvin
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA; (G.L.T.); (B.A.T.M.); (W.X.); (A.K.)
| | - John R. Monnier
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA; (G.L.T.); (B.A.T.M.); (W.X.); (A.K.)
- Correspondence: ; Tel.: +1-803-777-6813
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35
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Sato Y, Kawata Y, Yasui S, Kayaki Y, Ikariya T. New Bifunctional Bis(azairidacycle) with Axial Chirality via Double Cyclometalation of 2,2'-Bis(aminomethyl)-1,1'-binaphthyl. Molecules 2021; 26:molecules26041165. [PMID: 33671758 PMCID: PMC7926664 DOI: 10.3390/molecules26041165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/16/2021] [Accepted: 02/18/2021] [Indexed: 11/21/2022] Open
Abstract
As a candidate for bifunctional asymmetric catalysts containing a half-sandwich C–N chelating Ir(III) framework (azairidacycle), a dinuclear Ir complex with an axially chiral linkage is newly designed. An expedient synthesis of chiral 2,2′-bis(aminomethyl)-1,1′-binaphthyl (1) from 1,1-bi-2-naphthol (BINOL) was accomplished by a three-step process involving nickel-catalyzed cyanation and subsequent reduction with Raney-Ni and KBH4. The reaction of (S)-1 with an equimolar amount of [IrCl2Cp*]2 (Cp* = η5–C5(CH3)5) in the presence of sodium acetate in acetonitrile at 80 °C gave a diastereomeric mixture of new dinuclear dichloridodiiridium complexes (5) through the double C–H bond cleavage, as confirmed by 1H NMR spectroscopy. A loss of the central chirality on the Ir centers of 5 was demonstrated by treatment with KOC(CH3)3 to generate the corresponding 16e amidoiridium complex 6. The following hydrogen transfer from 2-propanol to 6 provided diastereomers of hydrido(amine)iridium retaining the bis(azairidacycle) architecture. The dinuclear chlorido(amine)iridium 5 can serve as a catalyst precursor for the asymmetric transfer hydrogenation of acetophenone with a substrate to a catalyst ratio of 200 in the presence of KOC(CH3)3 in 2-propanol, leading to (S)-1-phenylethanol with up to an enantiomeric excess (ee) of 67%.
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Affiliation(s)
- Yasuhiro Sato
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan; (Y.S.); (Y.K.); (S.Y.)
- Hazardous Materials Laboratory, Research and Development Division, National Research Institute of Fire and Disaster, Jindaiji-higashimachi 4-35-3, Chofu, Tokyo 182-8508, Japan
| | - Yuichi Kawata
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan; (Y.S.); (Y.K.); (S.Y.)
| | - Shungo Yasui
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan; (Y.S.); (Y.K.); (S.Y.)
| | - Yoshihito Kayaki
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan; (Y.S.); (Y.K.); (S.Y.)
- Correspondence: ; Tel.: +81-3-5734-2881
| | - Takao Ikariya
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan; (Y.S.); (Y.K.); (S.Y.)
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36
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Wu F, Jiang H, Zhu X, Lu R, Shi L, Lu F. Effect of Tungsten Species on Selective Hydrogenolysis of Glycerol to 1,3-Propanediol. ChemSusChem 2021; 14:569-581. [PMID: 33219614 DOI: 10.1002/cssc.202002405] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/19/2020] [Indexed: 06/11/2023]
Abstract
Glycerol, as the major byproduct of biodiesel industry, is a cheap and green chemical feedstock. Following the expanded production of biodiesel, the oversupply of glycerol has led to increasing research of the catalytic conversion of glycerol. The selective hydrogenolysis of glycerol is an economical and sustainable way to produce 1,3-propanediol, which experiences a global growing demand, and valorize glycerol. However, the secondary hydroxy group of glycerol is sterically hindered by two primary hydroxy groups. As a result, 1,2-propanediol is the preferential product rather than 1,3-propanediol during conventional hydrogenolysis of glycerol. Currently, tungsten-containing bifunctional catalysts with metal and Brønsted acid sites are considered as a highly effective and atom-economical catalytic system for the selective hydrogenolysis of glycerol to 1,3-propanediol. Therefore, this Minireview summarized various tungsten-containing bifunctional catalysts for the hydrogenolysis of glycerol in detail and deeply discussed the relationship between tungsten species, metal active sites, and glycerol for selectively producing 1,3-propanediol.
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Affiliation(s)
- Fengliang Wu
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning, 116029, P. R. China
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian National Laboratory for Clean Energy, Dalian, Liaoning, 116023, P. R. China
| | - Huifang Jiang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian National Laboratory for Clean Energy, Dalian, Liaoning, 116023, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xuhai Zhu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian National Laboratory for Clean Energy, Dalian, Liaoning, 116023, P. R. China
| | - Rui Lu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian National Laboratory for Clean Energy, Dalian, Liaoning, 116023, P. R. China
| | - Lei Shi
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning, 116029, P. R. China
| | - Fang Lu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian National Laboratory for Clean Energy, Dalian, Liaoning, 116023, P. R. China
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37
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Kim S, Kim G, Manthiram A. A Bifunctional Hybrid Electrocatalyst for Oxygen Reduction and Oxygen Evolution Reactions: Nano-Co 3O 4-Deposited La 0.5Sr 0.5MnO 3 via Infiltration. Molecules 2021; 26:molecules26020277. [PMID: 33429877 PMCID: PMC7827265 DOI: 10.3390/molecules26020277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 12/27/2020] [Accepted: 01/05/2021] [Indexed: 11/18/2022] Open
Abstract
For rechargeable metal–air batteries, which are a promising energy storage device for renewable and sustainable energy technologies, the development of cost-effective electrocatalysts with effective bifunctional activity for both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) has been a challenging task. To realize highly effective ORR and OER electrocatalysts, we present a hybrid catalyst, Co3O4-infiltrated La0.5Sr0.5MnO3-δ (LSM@Co3O4), synthesized using an electrospray and infiltration technique. This study expands the scope of the infiltration technique by depositing ~18 nm nanoparticles on unprecedented ~70 nm nano-scaffolds. The hybrid LSM@Co3O4 catalyst exhibits high catalytic activities for both ORR and OER (~7 times, ~1.5 times, and ~1.6 times higher than LSM, Co3O4, and IrO2, respectively) in terms of onset potential and limiting current density. Moreover, with the LSM@Co3O4, the number of electrons transferred reaches four, indicating that the catalyst is effective in the reduction reaction of O2 via a direct four-electron pathway. The study demonstrates that hybrid catalysts are a promising approach for oxygen electrocatalysts for renewable and sustainable energy devices.
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Affiliation(s)
- Seona Kim
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA;
| | - Guntae Kim
- Department of Energy Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
- Correspondence: (G.K.); (A.M.)
| | - Arumugam Manthiram
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA;
- Correspondence: (G.K.); (A.M.)
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38
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Mäki-Arvela P, Ruiz D, Murzin DY. Catalytic Hydrogenation/Hydrogenolysis of 5-Hydroxymethylfurfural to 2,5-Dimethylfuran. ChemSusChem 2021; 14:150-168. [PMID: 32940953 DOI: 10.1002/cssc.202001927] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 09/15/2020] [Indexed: 06/11/2023]
Abstract
Recent developments in transformations of biobased 5-hydroxymethylfurfural to 2,5-dimethylfuran, a potential liquid fuel, are critically summarized. The highest yield of 2,5-dimethylfuran (more than 98 %) from 5-hydroxymethylfurfural are obtained over bimetallic Cu-Co supported on carbon at 180 °C under 5 bar hydrogen in 2-propanol and over Ni supported on mesoporous carbon at 200 °C under 30 bar hydrogen in water in a batch reactor. The desired catalyst should have relatively high metal dispersion and some acidity to facilitate both hydrogenation and hydrogenolysis. However, overhydrogenation and overhydrogenolysis forming 2,5-dimethyltetrahydrofuran and methylfuran, respectively, should be suppressed. Furthermore, a hydrophobic support is more selective than oxide-based support. After a careful adjustment of the residence time in a continuous reactor it is also possible to produce high yields of 2,5-dimethylfuran even over Pt/C. The main challenges limiting the industrial feasibility of these reactions are relatively low initial reactant concentration, catalyst deactivation by sintering, leaching and coking. In addition to selection of optimum reaction conditions and catalyst properties, kinetic modelling was also summarized.
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Affiliation(s)
- Päivi Mäki-Arvela
- Johan Gadolin Process Chemistry Centre, Laboratory of Industrial Chemistry and Reaction Engineering, Åbo Akademi University, Turku/Åbo, Finland
| | - Doris Ruiz
- Physical Chemistry Department, Faculty of Chemical Science, University of Concepcion, Casilla 160-C, Concepción, Chile
| | - Dmitry Yu Murzin
- Johan Gadolin Process Chemistry Centre, Laboratory of Industrial Chemistry and Reaction Engineering, Åbo Akademi University, Turku/Åbo, Finland
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39
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Liu C, Shen X, Johnson G, Zhang Y, Zhang C, Chen J, Li L, Sheehan C, Peng Z, Zhang S. Two-Dimensional Metal Organic Framework Nanosheets as Bifunctional Catalyst for Electrochemical and Photoelectrochemical Water Oxidation. Front Chem 2020; 8:604239. [PMID: 33330399 PMCID: PMC7672199 DOI: 10.3389/fchem.2020.604239] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 09/30/2020] [Indexed: 11/13/2022] Open
Abstract
Electrochemical (EC) and photoelectrochemical (PEC) water splitting represent promising strategies for renewable energy conversion and fuel production and require design of efficient catalysts for the oxygen evolution reaction (OER). Herein, we report the synthesis of two-dimensional (2D) Co-based metal organic framework (Co-MOF) nanosheets and their bifunctional catalytic properties for both EC and PEC OER. Benefiting from the large surface area and abundant isolated metal active sites, the Co-MOF nanosheets exhibited excellent OER activity and stability. The efficient electron–hole generation and separation of the nanosheets, owing to dimensional confinement, contributed to an improved visible light response in PEC OER. This study presents a new strategy to design EC/PEC bifunctional catalyst utilizing unique structural and electronic features of 2D MOF.
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Affiliation(s)
- Chang Liu
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
| | - Xiaochen Shen
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, OH, United States
| | - Grayson Johnson
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
| | - Yulu Zhang
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
| | - Changlin Zhang
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, OH, United States
| | - Jiafu Chen
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, OH, United States
| | - Lingyan Li
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, OH, United States
| | - Colton Sheehan
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
| | - Zhenmeng Peng
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, OH, United States
| | - Sen Zhang
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
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40
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Xu M, Zhang X, Liu Y, Zhao X, Liu Y, Wu R, Wang J. Designed Single Atom Bifunctional Electrocatalysts for Overall Water Splitting: 3d Transition Metal Atoms Doped Borophene Nanosheets. Chemphyschem 2020; 21:2651-2659. [PMID: 33063390 DOI: 10.1002/cphc.202000692] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/07/2020] [Indexed: 11/07/2022]
Abstract
Single atom catalysts (SAC) for water splitting hold the promise of producing H2 in a highly efficient and economical way. As the performance of SACs depends on the interaction between the adsorbate atom and supporting substrate, developing more efficient SACs with suitable substrates is of significance. In this work, inspired by the successful fabrications of borophene in experiments, we systematically study the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) activities of a series of 3d transition metal-based SACs supported by various borophene monolayers (BMs=α_sheet, α1 _sheet, and β1 _sheet borophene), TM/BMs, using density functional theory calculations and kinetic simulations. All of the TM/BMs systems exhibit superior HER performance compared to Pt with close to zero thermoneutral Gibbs free energy (ΔGH* ) of H adsorption. Furthermore, three Ni-deposited systems, namely, Ni/α_BM, Ni/α1 _BM and Ni/β1 _BM, were identified to be superior OER catalysts with remarkably reduced overpotentials. Based on these results, Ni/BMs can be expected to serve as stunning bifunctional electrocatalysts for water splitting. This work provides a guideline for developing efficient bifunctional electrocatalysts.
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Affiliation(s)
- Mingxia Xu
- Colleage of Physical Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Xiuyun Zhang
- Colleage of Physical Science and Technology, Yangzhou University, Yangzhou, 225009, China.,Qingdao Univ. Sci. & Technol., Shandong Key Lab Biochem. Anal., Coll. Chem. & Mol. Engn., Qingdao, 266042, Peoples R China
| | - Yaqi Liu
- Colleage of Physical Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Xinli Zhao
- Colleage of Physical Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Yongjun Liu
- Colleage of Physical Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Ruchun Wu
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, GuangXi Key Laboratory of Chemistry and Engneering of Forest Porducts, Nanning, Guangxi 530006, China
| | - Jinlan Wang
- School of Physics, Southeast University, Nanjing, 211189, China
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41
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Abstract
Halogen bonding has received a significant increase in attention in the past 20 years. An important part of this interest has centered on catalytic applications of halogen bonding. Halogen bond (XB) catalysis is still a developing field in organocatalysis, although XB catalysis has outgrown its proof of concept phase. The start of this year witnessed the publication of the first example of a purely XB-based enantioselective catalytic reaction. While the selectivity can be improved upon, there are already plenty of examples in which halogen bonds, among other interactions, play a crucial role in the outcome of highly enantioselective reactions. This paper will give an overview of the current state of the use of XBs in catalytic stereoselective processes.
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Affiliation(s)
| | - Tõnis Kanger
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
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42
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Ji J, Li Z, Hu C, Sha Y, Li S, Gao X, Zhou S, Qiu T, Liu C, Su X, Hou Y, Lin Z, Zhou S, Ling M, Liang C. Platinum Atomic Clusters Embedded in Defects of Anatase/Graphene for Efficient Electro- and Photocatalytic Hydrogen Evolution. ACS Appl Mater Interfaces 2020; 12:40204-40212. [PMID: 32794688 DOI: 10.1021/acsami.0c06931] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Electro- and photocatalytic hydrogen evolution reaction (e-HER and p-HER) are two promising strategies to produce green hydrogen fuel from water. High intrinsic activity, sufficient active sites, fast charge-transfer capacity, and good optoelectronic properties must be taken into consideration simultaneously in pursuit of an ideal bifunctional catalyst. Here, platinum atomic clusters embedded in defects of TiO2 nanocrystals/graphene nanosheets (Pt-T/G) are reported as a bifunctional catalyst for electro- and photocatalytic hydrogen evolution reaction (e-HER and p-HER). High activity is delivered due to the charge transfer from the other part of the catalyst to the active center (Pt2-O4-Tix), decreasing the activation energy of the rate-limiting step, which is revealed by synchrotron X-ray absorption spectroscopy, photoelectrochemical measurements, and simulated calculations. In regard to e-HER, it outperforms the commercial 20 wt % Pt/C catalyst by a factor of 17.5 on Pt mass basis, allowing for a 93% reduction in Pt loadings. In regard to p-HER, it achieves photocatalytic efficiency (686.8 μmol h-1) without any attenuation in 9 h.
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Affiliation(s)
- Jiapeng Ji
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zeheng Li
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chenchen Hu
- Ministry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
| | - Ying Sha
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Siyuan Li
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xuehui Gao
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Shiyu Zhou
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Tong Qiu
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chenyu Liu
- College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xintai Su
- Ministry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
| | - Yang Hou
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhan Lin
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Shaodong Zhou
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Min Ling
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chengdu Liang
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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43
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Sun X, Gong Q, Liang Y, Wu M, Xu N, Gong P, Sun S, Qiao J. Exploiting a High-Performance "Double-Carbon" Structure Co 9S 8/GN Bifunctional Catalysts for Rechargeable Zn-Air Batteries. ACS Appl Mater Interfaces 2020; 12:38202-38210. [PMID: 32805974 DOI: 10.1021/acsami.0c10734] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Rational synthesis of bifunctional electrocatalysts with high performance and strong durability is highly demanded rechargeable metal-air battery. In this work, ZIF-derived Co9S8/C coated with conductive graphene nanosheet (Co9S8/GN) was synthesized by a simple solvothermal method and formed a stable double-carbon structure. As expected, the prepared Co9S8/GN catalyst exhibits a high catalytic activity (ΔE: 0.88 V) and long-term durability toward both oxygen reduction reaction and oxygen evolution reaction (ORR and OER), which is even superior to the Pt/C + Ir/C mixture (0.91 V). In addition, the Zn-air battery with the Co9S8/GN catalyst showed higher power density (186 mW cm-2) and more stable charge-discharge cycling performances (2000 cycles) than the Pt/C + Ir/C (118 mW cm-2). Based on these analysis results, the favorable catalytic performance of ORR/OER should be illustrated by the following reasons: (i) large specific surface area and unique mesoporous structure, providing abundant active sites; (ii) good conductivity, accelerating the electrons transfer; and (iii) the unique stable "double-carbon" structures (metal-S-C-C), preventing the agglomeration of metal sulfide, building new quick transfer pathway, and forming the strong electron coupling ability and synergistic effect.
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Affiliation(s)
- Xiaoling Sun
- College of Chemistry and Materials Science, Shanxi Normal University, 1 Gongyuan Street, Linfen 041000, China
- Department of Applied Chemistry, Yuncheng University, 1155 Fudan West Street, Yuncheng 044000, China
| | - Qiaojuan Gong
- College of Chemistry and Materials Science, Shanxi Normal University, 1 Gongyuan Street, Linfen 041000, China
- Department of Applied Chemistry, Yuncheng University, 1155 Fudan West Street, Yuncheng 044000, China
| | - Yunxia Liang
- Department of Applied Chemistry, Yuncheng University, 1155 Fudan West Street, Yuncheng 044000, China
| | - Mingjie Wu
- Institut National de la Recherche Scientifique-Énergie Matériaux et Télécommunications, Varennes, Québec J3X 1S2, Canada
| | - Nengneng Xu
- College of Environmental Science and Engineering, Donghua University, 2999 Ren'min North Road, Shanghai 201620, China
- Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, Louisiana 70504, United States
| | - Pengni Gong
- Department of Applied Chemistry, Yuncheng University, 1155 Fudan West Street, Yuncheng 044000, China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique-Énergie Matériaux et Télécommunications, Varennes, Québec J3X 1S2, Canada
| | - Jinli Qiao
- College of Environmental Science and Engineering, Donghua University, 2999 Ren'min North Road, Shanghai 201620, China
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44
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Zhu J, Osuga R, Ishikawa R, Shibata N, Ikuhara Y, Kondo JN, Ogura M, Yu J, Wakihara T, Liu Z, Okubo T. Ultrafast Encapsulation of Metal Nanoclusters into MFI Zeolite in the Course of Its Crystallization: Catalytic Application for Propane Dehydrogenation. Angew Chem Int Ed Engl 2020; 59:19669-19674. [PMID: 32602591 DOI: 10.1002/anie.202007044] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Indexed: 11/07/2022]
Abstract
Encapsulating metal nanoclusters into zeolites combines the superior catalytic activity of the nanoclusters with high stability and unique shape selectivity of the crystalline microporous materials. The preparation of such bifunctional catalysts, however, is often restricted by the mismatching in time scale between the fast formation of nanoclusters and the slow crystallization of zeolites. We herein demonstrate a novel strategy to overcome the mismatching issue, in which the crystallization of zeolites is expedited so as to synchronize it with the rapid formation of nanoclusters. The concept was demonstrated by confining Pt and Sn nanoclusters into a ZSM-5 (MFI) zeolite in the course of its crystallization, leading to an ultrafast, in situ encapsulation within just 5 min. The Pt/Sn-ZSM-5 exhibited exceptional activity and selectivity with stability in the dehydrogenation of propane to propene. This method of ultrafast encapsulation opens up a new avenue for designing and synthesizing composite zeolitic materials with structural and compositional complexity.
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Affiliation(s)
- Jie Zhu
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Ryota Osuga
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259-R1-10 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Ryo Ishikawa
- Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan.,PRESTO (Japan) Science and Technology Agency, Kawaguchi, Saitama, 332-0012, Japan
| | - Naoya Shibata
- Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Yuichi Ikuhara
- Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Junko N Kondo
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259-R1-10 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Masaru Ogura
- Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, International Center of Future Science, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Toru Wakihara
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Zhendong Liu
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Tatsuya Okubo
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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45
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Guadix-Montero S, Santos-Hernandez A, Folli A, Sankar M. Effect of support acidity during selective hydrogenolysis of glycerol over supported palladium-ruthenium catalysts. Philos Trans A Math Phys Eng Sci 2020; 378:20200055. [PMID: 32623993 PMCID: PMC7422897 DOI: 10.1098/rsta.2020.0055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/20/2020] [Indexed: 06/11/2023]
Abstract
We report the role of the acidity of support during the selectivity hydrogenolysis of glycerol over supported bimetallic palladium-ruthenium (PdRu) catalysts. The PdRu nanoparticles were supported on a series of metal oxides and zeolitic supports via the modified impregnation method and tested for the liquid-phase hydrogenolysis of glycerol using gaseous hydrogen. The relative acid site densities of selected catalysts were determined by ammonia temperature-programmed desorption and pyridine desorption experiments. Based on these studies, we report a direct correlation between the catalytic activity (conversion and 1,2 propane diol yield) and two different acid sites (strong acid sites and very strong acid sites). Besides zeolite-supported catalysts, TiO2 supported PdRu nanoparticles exhibit moderate catalytic activity; however, this catalyst shows high selectivity for the desired C-O bond cleavage to produce C3 products over the undesired C-C bond cleavage to produce < C3 products. This article is part of a discussion meeting issue 'Science to enable the circular economy'.
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Affiliation(s)
- Susana Guadix-Montero
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff CF10 3AT, UK
| | - Alba Santos-Hernandez
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff CF10 3AT, UK
| | - Andrea Folli
- School of Chemistry, Cardiff University, Cardiff CF10 3AT, UK
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46
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Peng X, Lu D, Qin Y, Li M, Guo Y, Guo S. Pt-on-Pd Dendritic Nanosheets with Enhanced Bifunctional Fuel Cell Catalytic Performance. ACS Appl Mater Interfaces 2020; 12:30336-30342. [PMID: 32525299 DOI: 10.1021/acsami.0c05868] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Pd-Pt bimetallic nanocrystals have become appealing in the electrocatalytic field by virtue of their synergy effects derived from the electronic coupling between two metals. Herein, a facile seed-mediated growth approach is reported for synthesis of Pt-on-Pd dendritic nanosheets (DNSs) through the growth of Pt branches on ultrathin Pd nanosheets (NSs). The as-obtained Pt-on-Pd DNSs exhibit superior catalytic activity toward both oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR), with mass activities (MAs) 2.2 times higher for ORR and 3.4 times higher for MOR than commercial Pt/C catalysts. Moreover, these spatially separated Pt branches supported on 2D NSs also endow the Pt-on-Pd DNSs with impressive durability for ORR with only 18.9% loss in MA, whereas the Pt/C catalyst loses 50.0% after 10,000-cycle accelerated durability tests. This 2D DNS architecture can be extended to other 2D metallic NS substrates for constructing Pt-based electrocatalysts with excellent electrocatalytic performance.
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Affiliation(s)
- Xiuying Peng
- Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi 030006, PR China
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, PR China
| | - Dongtao Lu
- Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Yingnan Qin
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, PR China
| | - Miaomiao Li
- Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Yujing Guo
- Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Shaojun Guo
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, PR China
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47
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Sun J, Du L, Sun B, Han G, Ma Y, Wang J, Huo H, Du C, Yin G. Bifunctional LaMn 0.3Co 0.7O 3 Perovskite Oxide Catalyst for Oxygen Reduction and Evolution Reactions: The Optimized e g Electronic Structures by Manganese Dopant. ACS Appl Mater Interfaces 2020; 12:24717-24725. [PMID: 32369337 DOI: 10.1021/acsami.0c03983] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Perovskite oxides as bifunctional electrocatalysts toward oxygen reduction (ORR) and oxygen evolution reactions (OER) have been investigated for decades because of the flexible and adjustable electronic structures. For example, by optimizing the strength of the Co-O bond, the ORR and OER activity of a typical perovskite oxide, LaCoO3, can be improved, but they are still unsatisfying. The insufficient insights into the effects of secondary metal dopants at the B-site on the electronic structure and activity, especially for ORR, significantly limit the R&D of bifunctional perovskite oxide catalysts. In this work, a series of LaMnxCo1-xO3 (x = 0, 0.25, 0.3, 0.35, 0.5, 1) catalysts are prepared by a polyol-assisted solvothermal method to investigate the structure-property relationships between the B-site metal substitution and the electrochemical performance of perovskite oxides catalysts. The optimized LaMn0.3Co0.7O3 catalyst demonstrates an enhanced half-wave potential of 0.72 V for ORR, 52 mV higher than that of the pristine LaCoO3 (0.668 V). Meanwhile, the OER overpotential of LaMn0.3Co0.7O3 catalyst is 416 mV, which is reduced by 64 mV compared to LaCoO3 (480 mV). It is revealed that the appropriate Mn dopant efficiently optimizes the covalency of Co-O bonds and significantly reduces the eg orbit-filling electron from 1.23 of pristine LaCoO3 to 1.02 in LaMn0.3Co0.7O3 (very close to theoretical value 1). This work paves a new way to design and synthesize bifunctional perovskite oxide electrocatalyst for ORR and OER.
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Affiliation(s)
- Jia Sun
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Lei Du
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Baoyu Sun
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Guokang Han
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yulin Ma
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Jiajun Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Hua Huo
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Chunyu Du
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Geping Yin
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
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48
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Wang W, Yang X. Computational Prediction of Chiral Iron Complexes for Asymmetric Transfer Hydrogenation of Pyruvic Acid to Lactic Acid. Molecules 2020; 25:molecules25081892. [PMID: 32325984 PMCID: PMC7221593 DOI: 10.3390/molecules25081892] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 01/18/2023] Open
Abstract
Density functional theory calculations reveal a formic acid-assisted proton transfer mechanism for asymmetric transfer hydrogenation of pyruvic acid catalyzed by a chiral Fe complex, FeH[(R,R)-BESNCH(Ph)CH(Ph)NH2](η6-p-cymene), with formic acid as the hydrogen provider. The rate-determining step is the hydride transfer from formate anion to Fe for the formation and dissociation of CO2 with a total free energy barrier of 28.0 kcal mol-1. A series of new bifunctional iron complexes with η6-p-cymene replaced by different arene and sulfonyl groups were built and computationally screened as potential catalysts. Among the proposed complexes, we found 1g with η6-p-cymene replaced by 4-isopropyl biphenyl had the lowest free energy barrier of 26.2 kcal mol-1 and excellent chiral selectivity of 98.5% ee.
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Affiliation(s)
- Wan Wang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China;
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China
| | - Xinzheng Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China;
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China
- Correspondence:
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49
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Kopač D, Likozar B, Huš M. How Size Matters: Electronic, Cooperative, and Geometric Effect in Perovskite-Supported Copper Catalysts for CO 2 Reduction. ACS Catal 2020; 10:4092-4102. [PMID: 32953235 PMCID: PMC7493227 DOI: 10.1021/acscatal.9b05303] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/05/2020] [Indexed: 11/28/2022]
Abstract
In heterogeneous catalysis, bifunctional catalysts often outperform one-component catalysts. The activity is also strongly influenced by the morphology, size, and distribution of catalytic particles. For CO2 hydrogenation, the size of the active copper area on top of the SrTiO3 perovskite catalyst support can affect the activity, selectivity, and stability. Here, a detailed theoretical study of the effect of bifunctionality on an important chemical CO2 transformation reaction, the reverse water gas shift (RWGS) reaction, is presented. Using density functional theory computation results for the RWGS pathway on three surfaces, namely, Cu(111), SrTiO3, and the Cu/SrTiO3 interface between both solid phases, we construct the energy landscape of the reaction. The adsorbate-adsorbate lateral interactions are taken into account for catalytic surfaces, which show a sufficient intermediate coverage. The mechanism, combining all three surfaces, is used in mesoscale kinetic Monte Carlo simulations to study the turnover and yield for CO production as a function of particle size. It is shown that the reaction proceeds faster at the interface. However, including copper and the support sites in addition to the interface accelerates the conversion even further, showing that the bifunctionality of the catalyst manifests in a more complex interplay between the phases than just the interface effect, such as the hydrogen spillover. We identify three distinct effects, the electronic, cooperative, and geometric effects, and show that the surrounded smaller Cu features on the set of supporting SrTiO3 show a higher CO formation rate, resulting in a decreasing RWGS model trend with the increasing Cu island size. The findings are in parallel with experiments, showing that they explain the previously observed phenomena and confirming the size sensitivity for the catalytic RWGS reaction.
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Affiliation(s)
- Drejc Kopač
- Department of Catalysis and Chemical
Reaction Engineering, National Institute
of Chemistry, Hajdrihova
19, SI-1001 Ljubljana, Slovenia
| | - Blaž Likozar
- Department of Catalysis and Chemical
Reaction Engineering, National Institute
of Chemistry, Hajdrihova
19, SI-1001 Ljubljana, Slovenia
| | - Matej Huš
- Department of Catalysis and Chemical
Reaction Engineering, National Institute
of Chemistry, Hajdrihova
19, SI-1001 Ljubljana, Slovenia
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Li X, Qian Z, Han G, Sun B, Zuo P, Du C, Ma Y, Huo H, Lou S, Yin G. Perovskite LaCo xMn 1-xO 3-σ with Tunable Defect and Surface Structures as Cathode Catalysts for Li-O 2 Batteries. ACS Appl Mater Interfaces 2020; 12:10452-10460. [PMID: 32043859 DOI: 10.1021/acsami.9b21904] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Rechargeable lithium-oxygen batteries have shown great potential as next-generation sustainable and green energy storage systems. The bifunctional catalyst plays an important role in accelerating the cathode kinetics for practical realization of the batteries. Herein, we employ the surface structure and defect engineering to introduce surface-roughened nanolayers and oxygen vacancies on the mesoporous hollow LaCoxMn1-xO3-σ perovskite catalyst by in situ cation substitution. The experimental results show that the O2-electrode with the LaCo0.75Mn0.25O3-σ catalyst exhibits an extremely high discharge capacity of 10,301 mA h g-1 at 200 mA g-1 for the initial cycle and superior cycling stability under a capacity limit of 500 mA h g-1 together with a low voltage gap of 1.12 V. Good electrochemical performance of LaCo0.75Mn0.25O3-σ can be attributed to the synergistic effect of the hierarchical mesoporous hollow structure and the abundant oxygen vacancies all over the catalyst surface. We reveal that the modified surface structure can provide more accessibility of active sites to promote electrochemical reactions, and the introduced oxygen vacancy can serve as an efficient substrate for binding intermediate products and decomposition reactions of Li2O2 during discharge and charge processes. Our methodology provides meaningful insights into the rational design of highly active perovskite catalysts in energy storage/conversion systems.
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Affiliation(s)
- Xudong Li
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Zhengyi Qian
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Guokang Han
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Baoyu Sun
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Pengjian Zuo
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Chunyu Du
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yulin Ma
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Hua Huo
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Shuaifeng Lou
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Geping Yin
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
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