301
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Pham TV, Li Y, Luo W, Guo H, Gao X, Wang J, Liu H. Binder-Free 3D Integrated Ni@Ni 3Pt Air Electrode for Zn-Air Batteries. GLOBAL CHALLENGES (HOBOKEN, NJ) 2019; 3:1900027. [PMID: 31565398 PMCID: PMC6733491 DOI: 10.1002/gch2.201900027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 05/21/2019] [Indexed: 05/31/2023]
Abstract
Developing an air electrode with high efficiency and stable performance is essential to improve the energy conversion efficiency and lifetime of zinc-air battery. Herein, Ni3Pt alloy is deposited on 3D nickel foam by a pulsed laser deposition method, working as a stable binder-free air electrode for rechargeable zinc-air batteries. The polycrystalline Ni3Pt alloy possesses high oxygen-conversion catalytic activity, which is highly desirable for the charge and discharge process in zinc-air battery. Meanwhile, this sample technique constructs an integrated and stable electrode structure, which not only has a 3D architecture of high conductivity and porosity but also produces a uniform Ni3Pt strongly adhering to the substrate, favoring rapid gas and electrolyte diffusion throughout the whole energy conversion process. Employed as an air electrode in zinc-air batteries, it exhibits a small charge and discharge gap of below 0.62 V at 10 mA cm-2, with long cycle life of 478 cycles under 10 min per cycle. Furthermore, benefitting from the structural advantages, a flexible device exhibits similar electrochemical performance even under the bending state. The high performance resulting from this type of integrated electrode in this work paves the way of a promising technique to fabricate air electrodes for zinc-air batteries.
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Affiliation(s)
- Thien Viet Pham
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
| | - Yang Li
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
| | - Wen‐Bin Luo
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
| | - Hai‐Peng Guo
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
| | - Xuan‐Wen Gao
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
| | - Jia‐Zhao Wang
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
| | - Hua‐Kun Liu
- Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia
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302
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Liu H, Liu Z, Feng L. Bonding state synergy of the NiF 2/Ni 2P hybrid with the co-existence of covalent and ionic bonds and the application of this hybrid as a robust catalyst for the energy-relevant electrooxidation of water and urea. NANOSCALE 2019; 11:16017-16025. [PMID: 31424469 DOI: 10.1039/c9nr05204f] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Among the energy-relevant electrochemical reactions, the electrochemical water and urea oxidation reactions are very significant for solving the increasing energy crisis and environmental pollution. Herein, the NiF2/Ni2P hybrid catalyst, in which covalent and ionic bonds co-existed, was found to be a very active catalyst for these electrochemical reactions occuring during the electrolysis of water. The bonding states of the covalent and ionic bonds were verified by the crystal structure and surface chemical state revealed by spectral analysis. As a bifunctional catalyst for the electrooxidation of water and urea, the NiF2/Ni2P hybrid structure demonstrated higher catalytic activity, kinetics and stability in the catalytic reaction than the individual components NiF2 and Ni2P under the same conditions. Specifically, an overpotential as low as 283 mV could drive the benchmark current density of 10 mA cm-2 for the oxygen evolution reaction, significantly lower than the overpotential required for the NiF2 (393 mV) and Ni2P materials (342 mV); the maximum current density for urea electrooxidation could reach 157.35 mA cm-2 at 1.53 V, which was much higher than those of NiF2 (23.55 mA cm-2) and Ni2P (102.72 mA cm-2). The catalytic performance also outperformed those of the recently reported similar advanced catalysts, and the high performance could be attributed to the highly exposed active sites, rough surface area, excellent charge transfer ability, and especially, the synergistic effects between the covalent and ionic bonds in the catalyst system. Using a commercial Pt/C catalyst as a cathode, the cell potential for urea-assisted water electrolysis could be reduced to 1.5 V to obtain the current density of nearly 40 mA cm-2 in a two-electrode system (Pt/C||NiF2/Ni2P), about 300 mV less than that required for water electrolysis in the general alkaline electrolyte. The current study demonstrates the significance of bonding state synergy in an advanced catalyst for water electrolysis and sheds some light on catalyst development in energy chemistry.
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Affiliation(s)
- Hui Liu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China.
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303
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Hu W, Jiang Q, Wang L, Hu S, Huang Z, Zhou T, Yang HJ, Hu J, Tang N. Hierarchical Ni-Co-O-C-P hollow tetragonal microtubes grown on Ni foam for efficient overall water splitting in alkaline media. RSC Adv 2019; 9:26051-26060. [PMID: 35530997 PMCID: PMC9070315 DOI: 10.1039/c9ra05165a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/14/2019] [Indexed: 11/21/2022] Open
Abstract
Exploring low-cost and highly efficient non-noble bifunctional electrocatalysts with high performances for both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is essential for large-scale sustainable energy systems. Herein, the Ni-Co-O-C-P hollow tetragonal microtubes grown on 3D Ni foam (Ni-Co-O-C-P/NF) was synthesized via a one-step solvothermal method and followed by a simple carbon coating and in situ phosphorization treatment. Benefiting from the unique open and hierarchical nano-architectures, the as prepared Ni-Co-O-C-P/NF presents a high activity and durability for both the HER and OER in alkaline media. The overall-water-splitting reaction requires a low cell voltage (1.54 V @ 10 mA cm-2) in 1 M KOH when Ni-Co-O-C-P/NF is used as both the anode and cathode. The highly flexible structure can provide a large amount of exposed active sites and shorten the mass transport distance. Furthermore, bimetallic phosphides also favor the electrocatalysis due to the higher electronic conductivity and the synergetic effect. This work demonstrated a promising bifunctional electrocatalyst for water electrolysis in alkaline media with potential in future applications.
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Affiliation(s)
- Wenjing Hu
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Qingqing Jiang
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Lin Wang
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Sha Hu
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Zhengxi Huang
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Tengfei Zhou
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Hai-Jian Yang
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Juncheng Hu
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry & Materials Science, South-Central University for Nationalities Wuhan 430074 Hubei China
| | - Nanfang Tang
- Dalian Institute of Chemical Physics, CAS, Chinese Academy of Sciences Dalian 116023 Liaoning China
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304
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Liu C, Jia D, Hao Q, Zheng X, Li Y, Tang C, Liu H, Zhang J, Zheng X. P-Doped Iron-Nickel Sulfide Nanosheet Arrays for Highly Efficient Overall Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2019; 11:27667-27676. [PMID: 31303002 DOI: 10.1021/acsami.9b04528] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Iron-nickel sulfide ((Ni,Fe)3S2) is one of the most promising bifunctional electrocatalysts for both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in alkaline media because of their metallic conductivity and low cost. However, the reported HER activity of (Ni,Fe)3S2 is still unsatisfactory. Herein, three-dimensional self-supported phosphorus-doped (Ni,Fe)3S2 nanosheet arrays on Ni foam (P-(Ni,Fe)3S2/NF) are synthesized by a simple one-step simultaneous phosphorization and sulfuration route, which exhibits dramatically enhanced HER activity as well as drives remarkable OER activity. The incorporation of P significantly optimized the hydrogen/water absorption free energy (ΔGH*/ΔGH2O*), enhanced electrical conductivity, and increased electrochemical surface area. Accordingly, the optimal P-(Ni,Fe)3S2/NF exhibits relatively low overpotentials of 98 and 196 mV at 10 mA cm-2 for HER and OER in 1 M KOH, respectively. Furthermore, an alkaline electrolyzer comprising the P-(Ni,Fe)3S2/NF electrodes needs a very low cell voltage of 1.54 V at 10 mA cm-2 and exhibits long-term stability and outperforms most other state-of-the-art electrocatalysts. The reported electrocatalyst activation approach by anion doping can be adapted for other transition-metal chalcogenides for water electrolysis, offering great promise for future applications.
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Affiliation(s)
- Caichi Liu
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
| | - Dongbo Jia
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
| | - Qiuyan Hao
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
| | - Xuerong Zheng
- School of Materials Science and Engineering , Tianjin University , Tianjin Haihe Education Park , Tianjin 300072 , P. R. China
| | - Ying Li
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
| | - Chengchun Tang
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials , Guangrongdao Road 29 , Tianjin 300130 , P. R. China
| | - Hui Liu
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
| | - Jun Zhang
- School of Material Science and Engineering , Hebei University of Technology , Dingzigu Road 1 , Tianjin 300130 , P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials , Guangrongdao Road 29 , Tianjin 300130 , P. R. China
| | - Xueli Zheng
- Department of Materials Science and Engineering , Stanford University , Stanford , California 94305 , United States
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305
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Jiang J, Chang L, Zhao W, Tian Q, Xu Q. An advanced FeCoNi nitro-sulfide hierarchical structure from deep eutectic solvents for enhanced oxygen evolution reaction. Chem Commun (Camb) 2019; 55:10174-10177. [PMID: 31389934 DOI: 10.1039/c9cc05389a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A tri-metal material system of FeCoNi-based nitro-sulfide (FeCoNi-NS) hierarchical structure has been successfully synthesized via a deep eutectic solvent annealing process. The as-prepared FeCoNi-NS possesses interesting N,S-binary heteroatoms evenly doped with Fe, Co, and Ni. By taking advantage of the unique structure including multi-metal sites, high BET area and porous structures, the as-prepared FeCoNi-NS exhibited excellent oxygen evolution reaction (OER) performance, achieving a current density of 10 mA cm-2 at an overpotential of 251 mV and a low Tafel slope of 58 mV dec-1 in 1 M KOH. Furthermore, FeCoNi-NS also demonstrated highly efficient mass/charge transportation, long-term stability with 2% deactivation after ten hours continuous operation and high faradaic efficiency of 98%. Such a facile synthetic strategy is applicable to the fabrication of more mutil-metal hierarchical structures for energy conversion and storage.
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Affiliation(s)
- Jingyun Jiang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, Henan, China.
| | - Liangyu Chang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, Henan, China.
| | - Wancheng Zhao
- Department of Chemistry, Louisiana State University, Baton Rouge, 70803, Louisiana, USA
| | - Qingyong Tian
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, Henan, China.
| | - Qun Xu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, Henan, China.
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306
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Konavarapu SK, Ghosh D, Dey A, Pradhan D, Biradha K. Isostructural Ni
II
Metal–Organic Frameworks (MOFs) for Efficient Electrocatalysis of Oxygen Evolution Reaction and for Gas Sorption Properties. Chemistry 2019; 25:11141-11146. [DOI: 10.1002/chem.201902274] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/28/2019] [Indexed: 12/13/2022]
Affiliation(s)
| | - Debanjali Ghosh
- Materials Science CentreIndian Institute of Technology Kharagpur 721302 India
| | - Avishek Dey
- Department of ChemistryIndian Institute of Technology Kharagpur 721302 India
| | - Debabrata Pradhan
- Materials Science CentreIndian Institute of Technology Kharagpur 721302 India
| | - Kumar Biradha
- Department of ChemistryIndian Institute of Technology Kharagpur 721302 India
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307
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Hoang VC, Gomes VG, Dinh KN. Ni- and P-doped carbon from waste biomass: A sustainable multifunctional electrode for oxygen reduction, oxygen evolution and hydrogen evolution reactions. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.05.053] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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308
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Zhang Q, Guan J. Mono-/Multinuclear Water Oxidation Catalysts. CHEMSUSCHEM 2019; 12:3209-3235. [PMID: 31077565 DOI: 10.1002/cssc.201900704] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 04/23/2019] [Indexed: 06/09/2023]
Abstract
Water splitting, in which water molecules can be transformed into hydrogen and oxygen, is an appealing energy conversion and transformation strategy to address the environmental and energy crisis. The oxygen evolution reaction (OER) is dynamically slow, which limits energy conversion efficiency during the water-splitting process and requires high-efficiency water oxidation catalysts (WOCs) to overcome the OER energy barrier. It is generally accepted that multinuclear WOCs possess superior OER performances, as demonstrated by the CaMn4 O5 cluster in photosystem II (PSII), which can catalyze the OER efficiently with a very low overpotential. Inspired by the CaMn4 O5 cluster in PSII, some multinuclear WOCs were synthesized that could catalyze water oxidation. In addition, some mononuclear molecular WOCs also show high water oxidation activity. However, it cannot be excluded that the high activity arises from the formation of dimeric species. Recently, some mononuclear heterogeneous WOCs showed a high water oxidation activity, which testified that mononuclear active sites with suitable coordination surroundings could also catalyze water oxidation efficiently. This Review focuses on recent progress in the development of mono-/multinuclear homo- and heterogeneous catalysts for water oxidation. The active sites and possible catalytic mechanisms for water oxidation on the mono-/multinuclear WOCs are provided.
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Affiliation(s)
- Qiaoqiao Zhang
- College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Jingqi Guan
- College of Chemistry, Jilin University, Changchun, 130012, PR China
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309
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Sravani B, Maseed H, Y C, Y VMR, V V S S S, Madhavi G, L SS. A Pt-free graphenaceous composite as an electro-catalyst for efficient oxygen reduction reaction. NANOSCALE 2019; 11:13300-13308. [PMID: 31287482 DOI: 10.1039/c9nr02912e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Use of Pt-based electro-catalysts for the oxygen reduction reaction (ORR) is a major hindrance in large-scale application of proton exchange membrane fuel cells (PEMFCs). Hence, new, cost-effective and high performance electro-catalysts are required for the commercial success of PEMFCs. In this work, a Pt-free magnesium oxide (MgO) decorated multi-layered reduced graphene oxide (MLGO) composite is tested as an electro-catalyst for the ORR. The ORR activity of MgO/MLGO in terms of diffusion-controlled current density is found to be superior (6.63 mA per cm2-geo) than that of in-house prepared Pt/rGO (5.96 mA per cm2-geo) and commercial Pt/C (5.02 mA per cm2-geo). The applicability of less expensive MgO/MLGO not only provides a new electro-catalyst but also provides a new direction in exploring metal oxide-based electro-catalysts for the ORR.
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Affiliation(s)
- Bathinapatla Sravani
- Nanoelectrochemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa - 516 005, Andhra Pradesh, India.
| | - H Maseed
- School of Engineering Sciences and Technology, University of Hyderabad, Gachibowli, Hyderabad - 500 046, Telangana, India.
| | - Chandrasekhar Y
- School of Engineering Sciences and Technology, University of Hyderabad, Gachibowli, Hyderabad - 500 046, Telangana, India.
| | - Veera Manohara Reddy Y
- Electrochemical Research Laboratory, Department of Chemistry, Sri Venkateswara University, Tirupati - 517 502, Andhra Pradesh, India
| | - Srikanth V V S S
- School of Engineering Sciences and Technology, University of Hyderabad, Gachibowli, Hyderabad - 500 046, Telangana, India.
| | - G Madhavi
- Electrochemical Research Laboratory, Department of Chemistry, Sri Venkateswara University, Tirupati - 517 502, Andhra Pradesh, India
| | - Subramanyam Sarma L
- Nanoelectrochemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa - 516 005, Andhra Pradesh, India.
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310
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Tong J, Li T, Bo L, Li W, Li Y, Zhang Y. Porous Nitrogen Self‐Doped Carbon Wrapped Iron Phosphide Hollow Spheres as Efficient Bifunctional Electrocatalysts for Water Splitting. ChemElectroChem 2019. [DOI: 10.1002/celc.201900513] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jinhui Tong
- Key Laboratory of Polymer Materials of Gansu Province Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou, Gansu 730070 China
| | - Tao Li
- Key Laboratory of Polymer Materials of Gansu Province Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou, Gansu 730070 China
| | - Lili Bo
- College of ScienceGansu Agricultural University Lanzhou 730070 China
| | - Wenyan Li
- Key Laboratory of Polymer Materials of Gansu Province Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou, Gansu 730070 China
| | - Yuliang Li
- Key Laboratory of Polymer Materials of Gansu Province Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou, Gansu 730070 China
| | - Yi Zhang
- Key Laboratory of Polymer Materials of Gansu Province Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou, Gansu 730070 China
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311
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Kodera F, Saito R, Ishikawa H, Miyakoshi A, Umeda M. Electrochemical Detection of Free Chlorine Using Ni Metal Nanoparticles Combined with Multilayered Graphene Nanoshells. ELECTROANAL 2019. [DOI: 10.1002/elan.201800326] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Fumihiro Kodera
- National Institute of TechnologyAsahikawa College 2-2-1-6 Shunkodai, Asahikawa Hokkaido 071-8142 Japan
| | - Ryou Saito
- National Institute of TechnologyAsahikawa College 2-2-1-6 Shunkodai, Asahikawa Hokkaido 071-8142 Japan
- Graduate School of Environmental ScienceHokkaido University, N10 W5, Kita, Sapporo Hokkaido 060-0810 Japan
| | - Hiroya Ishikawa
- National Institute of TechnologyAsahikawa College 2-2-1-6 Shunkodai, Asahikawa Hokkaido 071-8142 Japan
- School of Engineering ScienceOsaka University 1-3 Machikaneyama, Toyonaka Osaka 560-8531 Japan
| | - Akihiko Miyakoshi
- National Institute of TechnologyAsahikawa College 2-2-1-6 Shunkodai, Asahikawa Hokkaido 071-8142 Japan
| | - Minoru Umeda
- Department of Materials Science and TechnologyFaculty of EngineeringNagaoka University of Technology 1603-1 Kamitomioka, Nagaoka Niigata 940-2188 Japan
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312
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Kim M, Nabeya S, Nandi DK, Suzuki K, Kim HM, Cho SY, Kim KB, Kim SH. Atomic Layer Deposition of Nickel Using a Heteroleptic Ni Precursor with NH 3 and Selective Deposition on Defects of Graphene. ACS OMEGA 2019; 4:11126-11134. [PMID: 31460211 PMCID: PMC6648170 DOI: 10.1021/acsomega.9b01003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 06/14/2019] [Indexed: 06/10/2023]
Abstract
Atomic layer deposition (ALD) of Ni was demonstrated by introducing a novel oxygen-free heteroleptic Ni precursor, (η3-cyclohexenyl)(η5-cyclopentadienyl)nickel(II) [Ni(Chex)(Cp)]. For this process, non-oxygen-containing reactants (NH3 and H2 molecules) were used within a deposition temperature range of 320-340 °C. Typical ALD growth behavior was confirmed at 340 °C with a self-limiting growth rate of 1.1 Å/cycle. Furthermore, a postannealing process was carried out in a H2 ambient environment to improve the quality of the as-deposited Ni film. As a result, a high-quality Ni film with a substantially low resistivity (44.9 μΩcm) was obtained, owing to the high purity and excellent crystallinity. Finally, this Ni ALD process was also performed on a graphene surface. Selective deposition of Ni on defects of graphene was confirmed by transmission electron microscopy and atomic force microscopy analyses with a low growth rate (∼0.27 Å/cycle). This unique method can be further used to fabricate two-dimensional functional materials for several potential applications.
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Affiliation(s)
- Minsu Kim
- Department
of Materials Science and Engineering and Research Institute of Advanced Materials
(RIAM), Seoul National University, Gwanak-gu, Seoul 08826, Korea
| | - Shunichi Nabeya
- School of
Materials Science and Engineering, Yeungnam
University, Gyeongsan, Gyeongbuk 38541, Korea
- Tanaka
Kikinzoku Kogyo K.K., 22 Wadai, Tsukuba, Ibaraki 300-4247, Japan
| | - Dip K. Nandi
- School of
Materials Science and Engineering, Yeungnam
University, Gyeongsan, Gyeongbuk 38541, Korea
| | - Kazuharu Suzuki
- Tanaka
Kikinzoku Kogyo K.K., 22 Wadai, Tsukuba, Ibaraki 300-4247, Japan
| | - Hyun-Mi Kim
- Department
of Materials Science and Engineering and Research Institute of Advanced Materials
(RIAM), Seoul National University, Gwanak-gu, Seoul 08826, Korea
| | - Seong-Yong Cho
- Department
of Materials Science and Engineering, Myongji
University, Yongin, Gyeonggi 17058, Korea
| | - Ki-Bum Kim
- Department
of Materials Science and Engineering and Research Institute of Advanced Materials
(RIAM), Seoul National University, Gwanak-gu, Seoul 08826, Korea
| | - Soo-Hyun Kim
- School of
Materials Science and Engineering, Yeungnam
University, Gyeongsan, Gyeongbuk 38541, Korea
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313
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Yang Y, Yao H, Yu Z, Islam SM, He H, Yuan M, Yue Y, Xu K, Hao W, Sun G, Li H, Ma S, Zapol P, Kanatzidis MG. Hierarchical Nanoassembly of MoS 2/Co 9S 8/Ni 3S 2/Ni as a Highly Efficient Electrocatalyst for Overall Water Splitting in a Wide pH Range. J Am Chem Soc 2019; 141:10417-10430. [PMID: 31244177 DOI: 10.1021/jacs.9b04492] [Citation(s) in RCA: 244] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The design of low-cost yet high-efficiency electrocatalysts for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) over a wide pH range is highly challenging. We now report a hierarchical co-assembly of interacting MoS2 and Co9S8 nanosheets attached on Ni3S2 nanorod arrays which are supported on nickel foam (NF). This tiered structure endows high performance toward HER and OER over a very broad pH range. By adjusting the molar ratio of the Co:Mo precursors, we have created CoMoNiS-NF- xy composites ( x: y means Co:Mo molar ratios ranging from 5:1 to 1:3) with controllable morphology and composition. The three-dimensional composites have an abundance of active sites capable of universal pH catalytic HER and OER activity. The CoMoNiS-NF-31 demonstrates the best electrocatalytic activity, giving ultralow overpotentials (113, 103, and 117 mV for HER and 166, 228, and 405 mV for OER) to achieve a current density of 10 mA cm-2 in alkaline, acidic, and neutral electrolytes, respectively. It also shows a remarkable balance between electrocatalytic activity and stability. Based on the distinguished catalytic performance of CoMoNiS-NF-31 toward HER and OER, we demonstrate a two-electrode electrolyzer performing water electrolysis over a wide pH range, with low cell voltages of 1.54, 1.45, and 1.80 V at 10 mA cm-2 in alkaline, acidic, and neutral media, respectively. First-principles calculations suggest that the high OER activity arises from electron transfer from Co9S8 to MoS2 at the interface, which alters the binding energies of adsorbed species and decreases overpotentials. Our results demonstrate that hierarchical metal sulfides can serve as highly efficient all-pH (pH = 0-14) electrocatalysts for overall water splitting.
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Affiliation(s)
- Yan Yang
- Beijing Key Laboratory of Energy Conversion and Storage Materials and College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Huiqin Yao
- School of Basic Medical Sciences , Ningxia Medical University , Yinchuan 750004 , China
| | - Zihuan Yu
- Beijing Key Laboratory of Energy Conversion and Storage Materials and College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Saiful M Islam
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States.,Department of Chemistry, Physics and Atmospheric Sciences , Jackson State University , Jackson , Mississippi 39217 , United States
| | - Haiying He
- Department of Physics and Astronomy , Valparaiso University , Valparaiso , Indiana 46383 , United States
| | - Mengwei Yuan
- Beijing Key Laboratory of Energy Conversion and Storage Materials and College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Yonghai Yue
- School of Physics and School of Chemistry , Beihang University , Beijing 100191 , China
| | - Kang Xu
- School of Physics and School of Chemistry , Beihang University , Beijing 100191 , China
| | - Weichang Hao
- School of Physics and School of Chemistry , Beihang University , Beijing 100191 , China
| | - Genban Sun
- Beijing Key Laboratory of Energy Conversion and Storage Materials and College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Huifeng Li
- Beijing Key Laboratory of Energy Conversion and Storage Materials and College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Shulan Ma
- Beijing Key Laboratory of Energy Conversion and Storage Materials and College of Chemistry , Beijing Normal University , Beijing 100875 , China.,Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| | - Peter Zapol
- Materials Science Division , Argonne National Laboratory , Lemont , Illinois 60439 , United States
| | - Mercouri G Kanatzidis
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States.,Materials Science Division , Argonne National Laboratory , Lemont , Illinois 60439 , United States
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314
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Majeed A, Hou P, Zhang F, Tabassum H, Li X, Li G, Liu C, Cheng H. A Freestanding Single-Wall Carbon Nanotube Film Decorated with N-Doped Carbon-Encapsulated Ni Nanoparticles as a Bifunctional Electrocatalyst for Overall Water Splitting. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1802177. [PMID: 31380158 PMCID: PMC6662082 DOI: 10.1002/advs.201802177] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/22/2019] [Indexed: 05/26/2023]
Abstract
Noble-metal free, cost-effective, and highly stable catalysts with efficient activity for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) have attracted tremendous research interest in recent years. Here, a flexible, self-standing hybrid film comprising a N-doped single-wall carbon nanotube (SWCNT) network on which are anchored Ni nanoparticles encapsulated by a monolayer of N-doped carbon (NCNi) is reported. The films are prepared by floating catalyst chemical vapor deposition followed by NH3 treatment. The material obtained at optimum conditions shows excellent bifunctional electrocatalytic activity in alkaline media with low overpotentials of 190 and 270 mV for HER and OER, respectively, to reach a current density of 10 mA cm-2. A current density of 10 mA cm-2 at 1.57 V is achieved when this freestanding and binder-free rod-shaped NCNi/SWCNT assembly is used as cathode and anode in 1 m KOH solution for overall water splitting, presenting one of the best values reported to date.
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Affiliation(s)
- Abdul Majeed
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
- University of Chinese Academy of Sciences (UCAS)19 A Yuquan RoadBeijing100049China
| | - Peng‐Xiang Hou
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei110016P. R. China
| | - Feng Zhang
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei110016P. R. China
| | - Hassina Tabassum
- Beijing Key Laboratory for Theory and Technology of Advanced Battery MaterialsDepartment of Materials Science and EngineeringCollege of EngineeringPeking UniversityBeijing100871China
| | - Xin Li
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei110016P. R. China
| | - Guo‐Xian Li
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
| | - Chang Liu
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei110016P. R. China
| | - Hui‐Ming Cheng
- Shenyang National Laboratory for Materials ScienceInstitute of Metal Research (IMR)Chinese Academy of Sciences72 Wenhua RoadShenyang110016China
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei110016P. R. China
- Tsinghua‐Berkeley Shenzhen Institute (TBSI)Tsinghua UniversityShenzhen518055China
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315
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Xiang R, Peng L, Wei Z. Tuning Interfacial Structures for Better Catalysis of Water Electrolysis. Chemistry 2019; 25:9799-9815. [DOI: 10.1002/chem.201901168] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Rui Xiang
- Chongqing Key Laboratory of Chemical Process for Clean Energy, and Resource Utilization, School of Chemistry and Chemical EngineeringChongqing University No.55 Daxuecheng South Rd., Shapingba Chongqing 401331 P.R. China
| | - Lishan Peng
- Chongqing Key Laboratory of Chemical Process for Clean Energy, and Resource Utilization, School of Chemistry and Chemical EngineeringChongqing University No.55 Daxuecheng South Rd., Shapingba Chongqing 401331 P.R. China
| | - Zidong Wei
- Chongqing Key Laboratory of Chemical Process for Clean Energy, and Resource Utilization, School of Chemistry and Chemical EngineeringChongqing University No.55 Daxuecheng South Rd., Shapingba Chongqing 401331 P.R. China
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316
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Engineering Ternary Copper-Cobalt Sulfide Nanosheets as High-performance Electrocatalysts toward Oxygen Evolution Reaction. Catalysts 2019. [DOI: 10.3390/catal9050459] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The rational design and development of the low-cost and effective electrocatalysts toward oxygen evolution reaction (OER) are essential in the storage and conversion of clean and renewable energy sources. Herein, a ternary copper-cobalt sulfide nanosheets electrocatalysts (denoted as CuCoS/CC) for electrochemical water oxidation has been synthesized on carbon cloth (CC) via the sulfuration of CuCo-based precursors. The obtained CuCoS/CC reveals excellent electrocatalytic performance toward OER in 1.0 M KOH. It exhibits a particularly low overpotential of 276 mV at current density of 10 mA cm−2, and a small Tafel slope (58 mV decade−1), which is superior to the current commercialized noble-metal electrocatalysts, such as IrO2. Benefiting from the synergistic effect of Cu and Co atoms and sulfidation, electrons transport and ions diffusion are significantly enhanced with the increase of active sites, thus the kinetic process of OER reaction is boosted. Our studies will serve as guidelines in the innovative design of non-noble metal electrocatalysts and their application in electrochemical water splitting
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317
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Ramesh R, Nandi DK, Kim TH, Cheon T, Oh J, Kim SH. Atomic-Layer-Deposited MoN x Thin Films on Three-Dimensional Ni Foam as Efficient Catalysts for the Electrochemical Hydrogen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2019; 11:17321-17332. [PMID: 31012567 DOI: 10.1021/acsami.8b20437] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Future realization of a hydrogen-based economy requires a high-surface-area, low-cost, and robust electrocatalyst for the hydrogen evolution reaction (HER). In this study, the MoN x thin layer is synthesized on to a high-surface-area three-dimensional (3D) nickel foam (NF) substrate using atomic layer deposition (ALD) for HER catalysis. MoN x is grown on NF by the sequential exposure of Mo(CO)6 and NH3 at 225 °C. The thickness of the thin film is controlled by varying the number of ALD cycles to maximize the HER performance of the MoN x/NF composite catalyst. The scanning electron microscopy and transmission electron microscopy (TEM) images of MoN x/NF highlight that ALD facilitates uniform and conformal coating. TEM analysis highlights that the MoN x film is predominantly amorphous with the nanocrystalline MoN grains (4 nm) dispersed throughout it. Moreover, the high-resolution (HR)-TEM analysis shows a rough surface of the MoN x film with an overall composition of Mo0.59N0.41. X-ray photoelectron spectroscopy depth-profile analysis reveals that oxygen contamination is concentrated at the surface because of surface oxidation of the MoN x film under ambient conditions. The HER activity of MoN x is evaluated under acidic (0.5 M H2SO4) and alkaline (0.1 M KOH) conditions. In an acidic electrolyte, the sample prepared with 700 ALD cycles exhibits significant HER activity and a low overpotential (η) of 148 mV at 10 mA cm-2. Under an alkaline condition, it achieves 10 mA cm-2 with η of 125 mV for MoN x/NF (700 cycles). In both electrolytes, the MoN x thin film exhibits enhanced activity and stability because of the uniform and conformal coating on NF. Thus, this study facilitates the development of a large-area 3D freestanding catalyst for efficient electrochemical water-splitting, which may have commercial applicability.
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Affiliation(s)
- Rahul Ramesh
- School of Materials Science and Engineering , Yeungnam University , Gyeongsan 38541 , Gyeongbuk , Republic of Korea
| | - Dip K Nandi
- School of Materials Science and Engineering , Yeungnam University , Gyeongsan 38541 , Gyeongbuk , Republic of Korea
| | - Tae Hyun Kim
- School of Materials Science and Engineering , Yeungnam University , Gyeongsan 38541 , Gyeongbuk , Republic of Korea
| | - Taehoon Cheon
- School of Materials Science and Engineering , Yeungnam University , Gyeongsan 38541 , Gyeongbuk , Republic of Korea
- Center for Core Research Facilities , Daegu Gyeongbuk Institute of Science & Technology , Sang-ri, Hyeonpung-myeon , Dalseong-gun, Daegu 711-873 , Republic Korea
| | - Jihun Oh
- Graduate School of Energy, Environment, Water, and Sustainability (EEWS), and Department of Materials Science and Engineering , Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro , Yoseong-gu, Daejeon 34141 , Republic of Korea
| | - Soo-Hyun Kim
- School of Materials Science and Engineering , Yeungnam University , Gyeongsan 38541 , Gyeongbuk , Republic of Korea
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318
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Abinaya S, Moni P, Parthiban V, Sahu AK, Wilhelm M. Metal Silicide Nanosphere Decorated Carbon‐Rich Polymer‐Derived Ceramics: Bifunctional Electrocatalysts towards Oxygen and their Application in Anion Exchange Membrane Fuel Cells. ChemElectroChem 2019. [DOI: 10.1002/celc.201900475] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- S. Abinaya
- CSIR-Central Electrochemical Research Institute Madras UnitCSIR Madras Complex Taramani, Chennai – 600 113 India
| | - Prabu Moni
- CSIR-Central Electrochemical Research Institute Madras UnitCSIR Madras Complex Taramani, Chennai – 600 113 India
- University of Bremen, Advanced Ceramics Am Biologischen Garten 2, IW3 Germany
- Academy of Scientific and Innovative Research (AcSIR)CSIR – Central Electrochemical Research Institute Karaikudi 630003 India
| | - V. Parthiban
- CSIR-Central Electrochemical Research Institute Madras UnitCSIR Madras Complex Taramani, Chennai – 600 113 India
- Academy of Scientific and Innovative Research (AcSIR)CSIR – Central Electrochemical Research Institute Karaikudi 630003 India
| | - Akhila Kumar Sahu
- CSIR-Central Electrochemical Research Institute Madras UnitCSIR Madras Complex Taramani, Chennai – 600 113 India
- Academy of Scientific and Innovative Research (AcSIR)CSIR – Central Electrochemical Research Institute Karaikudi 630003 India
| | - Michaela Wilhelm
- University of Bremen, Advanced Ceramics Am Biologischen Garten 2, IW3 Germany
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319
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Ramakrishnan P, Im H, Baek S, Sohn JI. Recent Studies on Bifunctional Perovskite Electrocatalysts in Oxygen Evolution, Oxygen Reduction, and Hydrogen Evolution Reactions under Alkaline Electrolyte. Isr J Chem 2019. [DOI: 10.1002/ijch.201900040] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Prakash Ramakrishnan
- Division of Physics and Semiconductor ScienceDongguk University 30, pildong-ro, jungu Seoul 04620 Republic of Korea
| | - Hyunsik Im
- Division of Physics and Semiconductor ScienceDongguk University 30, pildong-ro, jungu Seoul 04620 Republic of Korea
| | - Seong‐Ho Baek
- Smart Textile Convergence Research GroupDaegu Gyeongbuk Institute of Science & Technology 333 techno jungang-dero, Hyeonpung-Myeon, Dalseong-gun Daegu 711-873 Republic of Korea
| | - Jung Inn Sohn
- Division of Physics and Semiconductor ScienceDongguk University 30, pildong-ro, jungu Seoul 04620 Republic of Korea
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320
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Zhong Y, Chang B, Shao Y, Xu C, Wu Y, Hao X. Regulating Phase Conversion from Ni 3 Se 2 into NiSe in a Bifunctional Electrocatalyst for Overall Water-Splitting Enhancement. CHEMSUSCHEM 2019; 12:2008-2014. [PMID: 30329216 DOI: 10.1002/cssc.201802091] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 10/15/2018] [Indexed: 06/08/2023]
Abstract
Phase engineering has been demonstrated as an efficient method for the enhancement of catalytic activity. This study concerns the phase and morphology modulation of Ni3 Se2 /NiSe nanorod arrays through a hydrothermal process. Partial phase conversion can effectively enhance the electrical conductivity and yield more active sites through atom rearrangement during phase transformation. Quite low optimal overpotentials of 166 mV for the hydrogen evolution reaction (HER) and 370 mV for the oxygen evolution reaction (OER) are obtained in a sample containing 32.4 % of NiSe phase and 67.6 % of Ni3 Se2 phase. The performance is superior to the samples with only one phase. Furthermore, a water electrolyzer was assembled by using two symmetrical NiSe/Ni foam electrodes as the anode and cathode, which can deliver 10 mA cm-2 at a low voltage of 1.61 V. More significantly, the water electrolyzer can be operated at 10 mA cm-2 over 10 h without noticeable degradation, showing extraordinary operational stability. This phase conversion control strategy provides a new way to improve the catalytic activity of NiSe and may have potential use in the design of other selenide electrocatalysts.
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Affiliation(s)
- Yueyao Zhong
- State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, Shandong, P. R. China
| | - Bin Chang
- State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, Shandong, P. R. China
| | - Yongliang Shao
- State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, Shandong, P. R. China
| | - Chengwei Xu
- Department of Lab. Medicine, The Second Hospital of Shandong University, 247 Beiyuan Dajie, Jinan, 250033, P. R. China
| | - Yongzhong Wu
- State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, Shandong, P. R. China
| | - Xiaopeng Hao
- State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, Shandong, P. R. China
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321
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Ramakrishnan P, Sohn JI, Sanetuntikul J, Kim JH. In-situ growth of nitrogen-doped mesoporous carbon nanostructure supported nickel metal nanoparticles for oxygen evolution reaction in an alkaline electrolyte. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.03.181] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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322
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Chen J, Qiu L, Li Z, Gao G, Zhong W, Zhang P, Gong Y, Deng L. Chitin-derived porous carbon loaded with Co, N and S with enhanced performance towards electrocatalytic oxygen reduction, oxygen evolution, and hydrogen evolution reactions. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.03.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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323
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Han X, Wang K, Zhang G, Gao W, Chen J. Application of the Electrochemical Oxygen Reduction Reaction (ORR) in Organic Synthesis. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900003] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Xiaoxin Han
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Kui Wang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Guofeng Zhang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Wei Gao
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Jianbin Chen
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
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324
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Guo Q, Li X, Wei H, Liu Y, Li L, Yang X, Zhang X, Liu H, Lu Z. Sr, Fe Co-doped Perovskite Oxides With High Performance for Oxygen Evolution Reaction. Front Chem 2019; 7:224. [PMID: 31069212 PMCID: PMC6491708 DOI: 10.3389/fchem.2019.00224] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 03/21/2019] [Indexed: 11/13/2022] Open
Abstract
Developing efficient and earth-abundant electrocatalysts for the oxygen evolution reaction (OER) is still a big challenge. Here, perovskite La0.4Sr0.6Ni0.5Fe0.5O3 nanoparticles were rationally designed and synthesized by the sol-gel method with an average size around 25 nm, and it has a remarkable intrinsically activity and stability in 1 M KOH solution. Compared with other perovskite (LaNiO3, LaFeO3, and LaNi0.5Fe0.5O3) catalysts, La0.4Sr0.6Ni0.5Fe0.5O3 exhibits superior OER performance, smaller tafel slope and lower overpotential. The high electrochemical performance of La0.4Sr0.6Ni0.5Fe0.5O3 is attributed to its optimized eg filling (~1.2), as well as the excellent conductivity. This study demonstrates co-doping process is an effective way for increasing the intrinsic catalytic activity of the perovskite.
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Affiliation(s)
- Qiang Guo
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Xiang Li
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Haifei Wei
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Yi Liu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Lanlan Li
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Xiaojing Yang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Xinghua Zhang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
| | - Hui Liu
- School of Materials Science and Engineering, Tianjin University, Tianjin, China
| | - Zunming Lu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China
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325
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Wang X, Pi M, Zhang D, Li H, Feng J, Chen S, Li J. Insight into the Superior Electrocatalytic Performance of a Ternary Nickel Iron Poly-Phosphide Nanosheet Array: An X-ray Absorption Study. ACS APPLIED MATERIALS & INTERFACES 2019; 11:14059-14065. [PMID: 30919614 DOI: 10.1021/acsami.8b22114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Although ternary components and doping with foreign atoms have been widely studied to enhance the electrocatalytic performance of transition metal phosphides, the underlying mechanism is not clear. Here, we fabricated ternary Ni-Fe-P nanosheets on carbon fiber paper as efficient electrodes and studied the local atomic and electronic structure alteration through X-ray absorption spectroscopy. The optimized ternary Ni-Fe-P nanosheet electrode exhibited superior hydrogen evolution activity and stability in 0.5 M H2SO4 with a low overpotential of 56 mV at 10 mA cm-2. X-ray absorption spectroscopy studies revealed that with the Fe ion incorporation into the system, the Ni-P bonds elongated and few electrons transferred from Ni to P which resulted in a reduced oxidation state of Ni and reduced the interaction between the hydrogen atom and the catalyst surface. Our work not only demonstrates the future potential of high-performance electrocatalysts based on ternary Ni-Fe-P but also offers a promising method to explore the unique synergistic effect in ternary compounds.
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Affiliation(s)
- Xiaodeng Wang
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics , Chongqing University , Chongqing 401331 , China
| | - Mingyu Pi
- College of Physics and Electronic Engineering , Chongqing Normal University , Chongqing 401331 , China
| | - Dingke Zhang
- College of Physics and Electronic Engineering , Chongqing Normal University , Chongqing 401331 , China
| | - Haiyun Li
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics , Chongqing University , Chongqing 401331 , China
| | - Jiajia Feng
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics , Chongqing University , Chongqing 401331 , China
| | - Shijian Chen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics , Chongqing University , Chongqing 401331 , China
| | - Jinhua Li
- International Joint Research Center for Nanophotonics and Biophotonics, School of Science , Changchun University of Science and Technology , Changchun , Jilin Province 130022 , China
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326
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Meng J, Lei H, Li X, Qi J, Zhang W, Cao R. Attaching Cobalt Corroles onto Carbon Nanotubes: Verification of Four-Electron Oxygen Reduction by Mononuclear Cobalt Complexes with Significantly Improved Efficiency. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00213] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jia Meng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Haitao Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Xialiang Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Jing Qi
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Wei Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
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327
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Qin S, Lei J, Xiong Y, Xu X, Geng X, Wang J. Synthesis of Ni 4.5Fe 4.5S 8/Ni 3S 2 film on Ni 3Fe alloy foam as an excellent electrocatalyst for the oxygen evolution reaction. RSC Adv 2019; 9:10231-10236. [PMID: 35520944 PMCID: PMC9062387 DOI: 10.1039/c9ra00724e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 03/14/2019] [Indexed: 01/27/2023] Open
Abstract
Directly synthesizing bicomponent electrocatalysts in the nanostructured form from bulk alloy foam has many potential advantages: robust stability, synergistic effects and fast electron transfer. Here, Ni4.5Fe4.5S8/Ni3S2 film with micrometer thickness on bulk substrate was synthesized by a simple one-step hydrothermally assisted sulfurization of Ni3Fe alloy foam for the oxygen evolution reaction (OER) in basic media. Benefiting from the synergetic effect of the bicomponent, reduced interfacial resistance between electrocatalyst and metal substrate, and more exposed catalytic sites on the microstructured film, the as-prepared electrocatalyst (Ni4.5Fe4.5S8/Ni3S2‖Ni3Fe) behaves as a highly efficient and robust oxygen evolution electrode with felicitous current density in alkaline electrolytes (1 M KOH). It requires an overpotential of only 264 mV to drive 100 mA cm-2 with its catalytic activity being maintained for at least 20 h in 1 M KOH. In the near future, this kind of synthesis strategy can be easily extended to investigate many electrocatalysts derived from 3D alloyed foam with various ratios of the different components, opening new avenue for understanding the relationship between material properties and electrochemical performance.
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Affiliation(s)
- Shili Qin
- Department of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, Guangzhou University Guangzhou 510006 P. R. China +86-18816801579
| | - Jinlong Lei
- Department of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, Guangzhou University Guangzhou 510006 P. R. China +86-18816801579
| | - Yun Xiong
- Wuhan Economic and Technological Development Zone, Wuhan HydraV Fuel Cell Tech. Co., Ltd Wuhan 430056 P. R. China
| | - Xiaohu Xu
- Key Laboratory of Spectral Measurement and Analysis of Shanxi Province, Shanxi Normal University Linfen 041004 P.R. China
| | - Xinhua Geng
- Department of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, Guangzhou University Guangzhou 510006 P. R. China +86-18816801579
| | - Jiahai Wang
- Department of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, Guangzhou University Guangzhou 510006 P. R. China +86-18816801579
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328
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Li J, Zhou Q, Zhong C, Li S, Shen Z, Pu J, Liu J, Zhou Y, Zhang H, Ma H. (Co/Fe)4O4 Cubane-Containing Nanorings Fabricated by Phosphorylating Cobalt Ferrite for Highly Efficient Oxygen Evolution Reaction. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00293] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jiachen Li
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Qingwen Zhou
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Chenglin Zhong
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Shengwen Li
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Zihan Shen
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Jun Pu
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Jinyun Liu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Yongning Zhou
- Department of Materials Science, Fudan University, Shanghai 200433, China
| | - Huigang Zhang
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, Institute of Materials Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Haixia Ma
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
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329
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Khalily MA, Patil B, Yilmaz E, Uyar T. Atomic layer deposition of Co 3O 4 nanocrystals on N-doped electrospun carbon nanofibers for oxygen reduction and oxygen evolution reactions. NANOSCALE ADVANCES 2019; 1:1224-1231. [PMID: 36133191 PMCID: PMC9473253 DOI: 10.1039/c8na00330k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 12/23/2018] [Indexed: 06/09/2023]
Abstract
The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are considered as the two crucial reactions in key renewable-energy technologies including fuel cells and water splitting. Despite promising research progress in the preparation of various non-noble metal based electrocatalysts, it is still highly challenging but desirable to develop novel fabrication strategies to synthesize highly active and cost-effective ORR/OER bifunctional electrocatalysts in a precisely controlled manner. Herein, we report atomic layer deposition (ALD) of highly monodisperse Co3O4 nanocrystals of different sizes on N-doped electrospun carbon nanofibers (nCNFs) as high performance bifunctional catalysts (Co@nCNFs) for the ORR and OER. Co@nCNFs (with an average Co3O4 particle size of ∼3 nm) show high ORR performance exhibiting an onset potential of 0.87 V with a low Tafel slope of 119 mV dec-1 approaching that of commercial Pt/C. Similarly, the Co@nCNF electrocatalyst showed remarkable catalytic activity in the OER. The turnover frequency (TOF) value determined at an overpotential of 550 mV for the Co@nCNFs is ∼0.14 s-1 which is ca. 3 and ca. 15-fold higher than those of bulk Co (∼0.05 s-1) and the standard state-of-the-art IrO x (0.0089 s-1) catalyst, respectively. This work will open new possibilities for fabrication of inexpensive non-noble metal materials in highly controlled manner for applications as bifunctional ORR/OER electrocatalysis.
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Affiliation(s)
- Mohammad Aref Khalily
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University Ankara 06800 Turkey
- Laboratory of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology, University of Twente Enschede 7500 AE The Netherlands
| | - Bhushan Patil
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University Ankara 06800 Turkey
| | - Eda Yilmaz
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University Ankara 06800 Turkey
| | - Tamer Uyar
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University Ankara 06800 Turkey
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330
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Zhang C, Zhang W, Drewett NE, Wang X, Yoo SJ, Wang H, Deng T, Kim JG, Chen H, Huang K, Feng S, Zheng W. Integrating Catalysis of Methane Decomposition and Electrocatalytic Hydrogen Evolution with Ni/CeO 2 for Improved Hydrogen Production Efficiency. CHEMSUSCHEM 2019; 12:1000-1010. [PMID: 30565883 DOI: 10.1002/cssc.201802618] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 12/15/2018] [Indexed: 06/09/2023]
Abstract
Ni/CeO2 enables either methane decomposition or water electrolysis for pure hydrogen production. Ni/CeO2 , prepared by a sol-gel method with only one heat treatment step, was used to catalyze methane decomposition for the generation of H2 . The solid byproduct, Ni/CeO2 /carbon nanotube (CNT), was further employed as an electrocatalyst in the hydrogen evolution reaction (HER) for H2 production. The Ni/CeO2 catalyst exhibits excellent activity for methane decomposition because CeO2 prevents carbon encapsulation of Ni nanoparticles during the preparation process and forms a special metal-support interface with Ni. The derived CNTs act as antenna to improve conductivity and promote the dispersion of agglomerated Ni/CeO2 . In addition, they provide H2 diffusion paths and prevent Ni/CeO2 from peeling off the HER electrode. Although long-term methane decomposition reduces the HER activity of Ni/CeO2 /CNTs (owing to degradation of the delicate Ni/CeO2 interface), the tunable nature of the synthesis makes this an attractive sustainable approach to synthesize future high-performance materials.
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Affiliation(s)
- Cai Zhang
- State Key Laboratory of Automotive Simulation and Control, and School of Materials Science & Engineering, and Electron, Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, P.R. China
| | - Wei Zhang
- State Key Laboratory of Automotive Simulation and Control, and School of Materials Science & Engineering, and Electron, Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, P.R. China
- CIC Energigune, Miñano, 01510, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, 48013, Spain
| | | | - Xiyang Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P.R. China
| | - Seung Jo Yoo
- Electron Microscopy Research Center, Korea Basic Science Institute, Daejeon, 34133, South Korea
| | - Haoxiang Wang
- State Key Laboratory of Automotive Simulation and Control, and School of Materials Science & Engineering, and Electron, Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, P.R. China
| | - Ting Deng
- State Key Laboratory of Automotive Simulation and Control, and School of Materials Science & Engineering, and Electron, Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, P.R. China
| | - Jin-Gyu Kim
- Electron Microscopy Research Center, Korea Basic Science Institute, Daejeon, 34133, South Korea
| | - Hong Chen
- State Key Laboratory of Automotive Simulation and Control, and School of Materials Science & Engineering, and Electron, Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, P.R. China
| | - Keke Huang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P.R. China
| | - Shouhua Feng
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P.R. China
| | - Weitao Zheng
- State Key Laboratory of Automotive Simulation and Control, and School of Materials Science & Engineering, and Electron, Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, P.R. China
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331
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Veeramani V, Matsagar BM, Yamauchi Y, Badjah AY, Naushad M, Habila M, Wabaidur S, Alothman ZA, Wang ZL, Wu KCW. Metal organic framework derived nickel phosphide/graphitic carbon hybrid for electrochemical hydrogen generation reaction. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2018.12.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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332
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Zhou Z, Yuan Z, Li S, Li H, Chen J, Wang Y, Huang Q, Wang C, Karahan HE, Henkelman G, Liao X, Wei L, Chen Y. Big to Small: Ultrafine Mo 2 C Particles Derived from Giant Polyoxomolybdate Clusters for Hydrogen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900358. [PMID: 30735307 DOI: 10.1002/smll.201900358] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Indexed: 06/09/2023]
Abstract
Due to its electronic structure, similar to platinum, molybdenum carbides (Mo2 C) hold great promise as a cost-effective catalyst platform. However, the realization of high-performance Mo2 C catalysts is still limited because controlling their particle size and catalytic activity is challenging with current synthesis methods. Here, the synthesis of ultrafine β-Mo2 C nanoparticles with narrow size distribution (2.5 ± 0.7 nm) and high mass loading (up to 27.5 wt%) on graphene substrate using a giant Mo-based polyoxomolybdate cluster, Mo132 ((NH4 )42 [Mo132 O372 (CH3 COO)30 (H2 O)72 ]·10CH3 COONH4 ·300H2 O) is demonstrated. Moreover, a nitrogen-containing polymeric binder (polyethyleneimine) is used to create MoN bonds between Mo2 C nanoparticles and nitrogen-doped graphene layers, which significantly enhance the catalytic activity of Mo2 C for the hydrogen evolution reaction, as is revealed by X-ray photoelectron spectroscopy and density functional theory calculations. The optimal Mo2 C catalyst shows a large exchange current density of 1.19 mA cm-2 , a high turnover frequency of 0.70 s-1 as well as excellent durability. The demonstrated new strategy opens up the possibility of developing practical platinum substitutes based on Mo2 C for various catalytic applications.
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Affiliation(s)
- Zheng Zhou
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Ziwen Yuan
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Sai Li
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Hao Li
- Department of Chemistry and the Institute for Computational and Engineering Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, TX, 78712, USA
| | - Junsheng Chen
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Yanqing Wang
- Faculty of Engineering, The University of Tokyo, Yayoi, Bunkyo-Ku, Tokyo, 113-00, Japan
| | - Qianwei Huang
- School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Cheng Wang
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Huseyin Enis Karahan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637459, Singapore
| | - Graeme Henkelman
- Department of Chemistry and the Institute for Computational and Engineering Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, TX, 78712, USA
| | - Xiaozhou Liao
- School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Li Wei
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Yuan Chen
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
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333
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Shen R, Xie J, Xiang Q, Chen X, Jiang J, Li X. Ni-based photocatalytic H2-production cocatalysts2. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(19)63294-8] [Citation(s) in RCA: 195] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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334
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Tree-Like NiS2/MoS2-RGO Nanocomposites as pH Universal Electrocatalysts for Hydrogen Evolution Reaction. Catal Letters 2019. [DOI: 10.1007/s10562-019-02698-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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335
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Jia J, Liu Z, Han F, Kang GJ, Liu L, Liu J, Wang QD. The identification of active N species in N-doped carbon carriers that improve the activity of Fe electrocatalysts towards the oxygen evolution reaction. RSC Adv 2019; 9:4806-4811. [PMID: 35514629 PMCID: PMC9060634 DOI: 10.1039/c9ra00185a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 02/01/2019] [Indexed: 11/21/2022] Open
Abstract
Nitrogen-doped carbon nanomaterials have become some of the most effective carriers for transition metal-based electrocatalysts towards the oxygen evolution reaction. However, the specific active nitrogen species in nitrogen-doped carriers remains unclear up to now. To identify the active nitrogen species, herein, we prepare nitrogen-doped carbon nanospheres containing different types of nitrogen species and a small amount of Fe atoms. Electrochemical tests demonstrate that the Fe/nitrogen-doped carbon nanospheres with more graphitic nitrogen exhibit much higher activity for the oxygen evolution reaction than those with more pyridinic nitrogens and pyrrolic nitrogens in alkaline media, revealing that the graphitic nitrogen is the active species that greatly improves the activity of Fe catalysts. Density functional theory calculations further reveal that the graphitic nitrogen enhances the activity and stability of Fe-based catalysts mainly through increasing the adsorption energy, charge and spin densities of the Fe atoms loaded around it. These findings provide a brand-new perspective for rationally designing more effective transition metal-based electrocatalysts for the oxygen evolution reaction through controlling the active graphitic nitrogen distribution in carbon carriers.
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Affiliation(s)
- Jia Jia
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
| | - Ziwu Liu
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
| | - Fei Han
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
| | - Guo-Jun Kang
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
| | - Ling Liu
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
| | - Jinlong Liu
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
| | - Quan-De Wang
- Low Carbon Energy Institute and School of Chemical Engineering, Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining & Technology Xuzhou 221008 Jiangsu China
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336
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Zhou Y, Wang Z, Pan Z, Liu L, Xi J, Luo X, Shen Y. Exceptional Performance of Hierarchical Ni-Fe (hydr)oxide@NiCu Electrocatalysts for Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1806769. [PMID: 30589134 DOI: 10.1002/adma.201806769] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/03/2018] [Indexed: 06/09/2023]
Abstract
Developing low-cost bifunctional electrocatalysts with superior activity for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is of great importance for the widespread application of the water splitting technique. In this work, using earth-abundant transition metals (i.e., nickel, iron, and copper), 3D hierarchical nanoarchitectures, consisting of ultrathin Ni-Fe layered-double-hydroxide (Ni-Fe LDH) nanosheets or porous Ni-Fe oxides (NiFeOx ) assembled to a metallic NiCu alloy, are delicately constructed. In alkaline solution, the as-prepared Ni-Fe LDH@NiCu possesses outstanding OER activity, achieving a current density of 10 mA cm-2 at an overpotential of 218 mV, which is smaller than that of RuO2 catalyst (249 mV). In contrast, the resulting NiFeOx @NiCu exhibits better HER activity, yielding a current density of 10 mA cm-2 at an overpotential of 66 mV, which is slightly higher than that of Pt catalyst (53 mV) but superior to all other transition metal (hydr)oxide-based electrocatalysts. The remarkable activity of the Ni-Fe LDH@NiCu and NiFeOx @NiCu is further demonstrated by a 1.5 V solar-panel-powered electrolyzer, resulting in current densities of 10 and 50 mA cm-2 at overpotentials of 293 and 506 mV, respectively. Such performance renders the as-prepared materials as the best bifunctional electrocatalysts so far.
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Affiliation(s)
- Yongfang Zhou
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Zixu Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Ziyan Pan
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Le Liu
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Jingyu Xi
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Xuanli Luo
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Yi Shen
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
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337
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Activated Cu/Cu2O foam with Ni nanoparticles for electrocatalytic activity enhancement of hydrogen evolution reaction (HER) in acidic media. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.10.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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338
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Wen X, Yang X, Li M, Bai L, Guan J. Co/CoOx nanoparticles inlaid onto nitrogen-doped carbon-graphene as a trifunctional electrocatalyst. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.11.129] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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339
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Liu J, Yu G, Zhang R, Huang X, Chen W. Theoretical predication of the high hydrogen evolution catalytic activity for the cubic and tetragonal SnP systems. Phys Chem Chem Phys 2019; 21:5521-5530. [DOI: 10.1039/c9cp00618d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Both the cubic and tetragonal SnP systems, with a layered structure similar to phosphorene, can exhibit a considerably high HER catalytic activity over a wide range of hydrogen coverage.
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Affiliation(s)
- Jingwei Liu
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- People's Republic of China
| | - Guangtao Yu
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- People's Republic of China
| | - Ran Zhang
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- People's Republic of China
| | - Xuri Huang
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- People's Republic of China
| | - Wei Chen
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- People's Republic of China
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340
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Yu H, Chu F, Zhou X, Ji J, Liu Y, Bu Y, Kong Y, Tao Y, Li Y, Qin Y. A perovskite oxide with a tunable pore-size derived from a general salt-template strategy as a highly efficient electrocatalyst for the oxygen evolution reaction. Chem Commun (Camb) 2019; 55:2445-2448. [DOI: 10.1039/c8cc10181g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A porous perovskite oxide is fabricated by an inorganic salt-template strategy, which exhibits remarkable performance for the oxygen evolution reaction.
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341
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Wang CL, Song CQ, Shen WH, Qi YY, Xue Y, Shi YC, Yu H, Feng L. A two-dimensional Ni(ii) coordination polymer based on a 3,5-bis(1′,2′,4′-triazol-1′-yl)pyridine ligand for water electro-oxidation. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00191c] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A two-dimensional Ni(ii) coordination polymer based on a novel 3,5-bis(1′,2′,4′-triazol-1′-yl)pyridine rigid ligand was proposed as a novel and efficient molecular catalyst for water oxidation.
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Affiliation(s)
- Chun-Ling Wang
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Chuan-Qi Song
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Wen-Hui Shen
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Yuan-Yuan Qi
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Ying Xue
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Yao Cheng Shi
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Huaguang Yu
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Ligang Feng
- College of Chemistry and Chemical Engineering, and
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- P. R. China
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342
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Ho PH, de Nolf W, Ospitali F, Beton D, Torkuhl L, Fornasari G, Vaccari A, Benito P. Insights into coated NiCrAl open-cell foams for the catalytic partial oxidation of CH 4. REACT CHEM ENG 2019. [DOI: 10.1039/c9re00178f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
NiCrAl foams coated by a catalytic layer are stable under reaction conditions and decrease the hot spots, making them an alternative to FeCrAl materials.
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Affiliation(s)
- Phuoc Hoang Ho
- Dipartimento di Chimica Industriale “Toso Montanari”
- Università di Bologna
- Bologna
- Italy
| | - Wout de Nolf
- European Synchrotron Radiation Facility
- 38000 Grenoble
- France
| | - Francesca Ospitali
- Dipartimento di Chimica Industriale “Toso Montanari”
- Università di Bologna
- Bologna
- Italy
| | | | | | - Giuseppe Fornasari
- Dipartimento di Chimica Industriale “Toso Montanari”
- Università di Bologna
- Bologna
- Italy
| | - Angelo Vaccari
- Dipartimento di Chimica Industriale “Toso Montanari”
- Università di Bologna
- Bologna
- Italy
| | - Patricia Benito
- Dipartimento di Chimica Industriale “Toso Montanari”
- Università di Bologna
- Bologna
- Italy
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343
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Mesoporous and ultrathin arrays of cobalt nitride nanosheets for electrocatalytic oxygen evolution. Electrochem commun 2019. [DOI: 10.1016/j.elecom.2018.11.022] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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344
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Oh T, Ryu S, Oh H, Kim J. MnCo2O4 nanoparticles supported on nitrogen and sulfur co-doped mesoporous carbon spheres as efficient electrocatalysts for oxygen catalytic reactions. Dalton Trans 2019; 48:945-953. [DOI: 10.1039/c8dt03955k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of efficient bifunctional electrocatalysts for the oxygen reduction and oxygen evolution reactions is essential to address the challenge of sluggish reaction kinetics.
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Affiliation(s)
- Taeseob Oh
- School of Chemical Engineering & Materials Science
- Chung-Ang University
- Dongjak-gu
- Republic of Korea
| | - Seokgyu Ryu
- School of Chemical Engineering & Materials Science
- Chung-Ang University
- Dongjak-gu
- Republic of Korea
| | - Hyunwoo Oh
- School of Chemical Engineering & Materials Science
- Chung-Ang University
- Dongjak-gu
- Republic of Korea
| | - Jooheon Kim
- School of Chemical Engineering & Materials Science
- Chung-Ang University
- Dongjak-gu
- Republic of Korea
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345
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Recent advances in one-dimensional nanostructures for energy electrocatalysis. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(18)63177-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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346
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Gebremariam TT, Chen F, Jin Y, Wang Q, Wang J, Wang J. Bimetallic NiCo/CNF encapsulated in a N-doped carbon shell as an electrocatalyst for Zn–air batteries and water splitting. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00266a] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bimetallic NiCo/CNF encapsulated in a N-doped carbon shell (NiCo/CNF@NC) catalyst for application in a Zn–air battery and water splitting has been reported in this work.
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Affiliation(s)
- Tesfaye Tadesse Gebremariam
- State Key Laboratory of Solidification Processing
- Northwestern Polytechnical University
- Xi'an 710072
- China
- School of Materials Science and Engineering
| | - Fuyi Chen
- State Key Laboratory of Solidification Processing
- Northwestern Polytechnical University
- Xi'an 710072
- China
- School of Materials Science and Engineering
| | - Yachao Jin
- State Key Laboratory of Solidification Processing
- Northwestern Polytechnical University
- Xi'an 710072
- China
- School of Materials Science and Engineering
| | - Qiao Wang
- State Key Laboratory of Solidification Processing
- Northwestern Polytechnical University
- Xi'an 710072
- China
- School of Materials Science and Engineering
| | - Jiali Wang
- State Key Laboratory of Solidification Processing
- Northwestern Polytechnical University
- Xi'an 710072
- China
- School of Materials Science and Engineering
| | - Junpeng Wang
- State Key Laboratory of Solidification Processing
- Northwestern Polytechnical University
- Xi'an 710072
- China
- School of Materials Science and Engineering
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347
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Li K, Ma J, Guan X, He H, Wang M, Zhang G, Zhang F, Fan X, Peng W, Li Y. 3D self-supported Ni(PO 3) 2-MoO 3 nanorods anchored on nickel foam for highly efficient overall water splitting. NANOSCALE 2018; 10:22173-22179. [PMID: 30480300 DOI: 10.1039/c8nr07577h] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Electrolyzing water as a sustainable energy source is a promising and appealing method to resolve the environmental crisis. Developing efficient and stable bifunctional electrocatalysts for the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) is crucial and challenging in the overall water splitting process. Herein, we report the synthesis of Ni(PO3)2-MoO3 nanorods anchored on nickel foam (Ni(PO3)2-MoO3/NF) within a two-step strategy and their application as a bifunctional water splitting electrocatalyst. The results show that the optimal Ni(PO3)2-MoO3/NF electrodes exhibit superior catalytic activity with robust durability and ultralow overpotentials of 86 mV for HER and 234 mV for OER to achieve 10 mA cm-2 (η10) in alkaline solution. The favorable performance of the obtained catalyst is attributed mainly to the synergetic effect between Ni(PO3)2 and MoO3, as well as the self-supporting porous conductive substrate. As a result, the integrated Ni(PO3)2-MoO3/NF electrodes deliver η10 at a small potential of 1.47 V for overall water splitting, highlighting a promising application as a bifunctional electrocatalyst.
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Affiliation(s)
- Kai Li
- Lab of Advanced Nano Structures & Transfer Processes, Department of Chemical Engineering, Tianjin University, Tianjin 300354, P. R. China.
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348
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Kim SW, Son Y, Choi K, Kim SI, Son Y, Park J, Lee JH, Jang JH. Highly Active Bifunctional Electrocatalysts for Oxygen Evolution and Reduction in Zn-Air Batteries. CHEMSUSCHEM 2018; 11:4203-4208. [PMID: 30381898 DOI: 10.1002/cssc.201802122] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Indexed: 06/08/2023]
Abstract
To realize the full performance of Zn-air batteries, the co-presence of a highly efficient oxygen reduction reaction (ORR) and an oxygen evolution reaction (OER) in the system is critical. Although copper and nickel are known to be bifunctional catalysts for ORR and OER, sluggish reactions as a result of the exceptionally strong O=O bond on the metal surface make it difficult to achieve high system efficiency. In this study, a metal carbide layer (CuCx and NiCx ) on dendritic copper and nickel is fabricated by a facile electrodeposition process to provide efficient catalytic active sites with moderate binding energy for easy electron transfer in both the OER and the ORR. The dendritic structure provides an enriched catalytic surface and the protective metal carbide layer offers an appropriate O binding energy and durability of Zn-air batteries. Owing to the presence of the stable metal carbide surface on the dendritic metal, the CuCx /Cu and NiCx /Ni catalysts exhibited well-defined limiting current densities of -5.19 and -5.11 mA cm-2 , respectively, and improved ORR and OER activities with lower polarization than the corresponding metal catalysts. Density functional theory revealed a 0.74 eV decrease in the overpotential of NiCx /Ni-catalyzed OER reactions compared with Ni-catalyzed OER reactions. The experimental and theoretical results prove that carbide layers on dendritic metal surfaces can greatly improve the activity of ORR and OER bifunctional electrocatalysts for Zn-air batteries.
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Affiliation(s)
- Sung-Wook Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Yoonkook Son
- Department of Electric Engineering, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju, 61452, Republic of Korea
| | - Keunsu Choi
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Sun-I Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Yeonguk Son
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Joohyuk Park
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Jun Hee Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Ji-Hyun Jang
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
- Center for Multidimensional Carbon Materials, Institute for Basic Science, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
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349
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Chen J, Zhao G, Chen Y, Rui K, Mao H, Dou SX, Sun W. Iron‐Doped Nickel Molybdate with Enhanced Oxygen Evolution Kinetics. Chemistry 2018; 25:280-284. [DOI: 10.1002/chem.201803844] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/19/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Jiayi Chen
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong NSW 2522 Australia
| | - Guoqiang Zhao
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong NSW 2522 Australia
| | - Yaping Chen
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong NSW 2522 Australia
| | - Kun Rui
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong NSW 2522 Australia
| | - Hui Mao
- College of Chemistry and Materials Science Sichuan Normal University Chengdu 610068 P. R. China
| | - Shi Xue Dou
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong NSW 2522 Australia
| | - Wenping Sun
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong NSW 2522 Australia
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350
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Rajeshkhanna G, Kandula S, Shrestha KR, Kim NH, Lee JH. A New Class of Zn 1 -x Fe x -Oxyselenide and Zn 1- x Fe x -LDH Nanostructured Material with Remarkable Bifunctional Oxygen and Hydrogen Evolution Electrocatalytic Activities for Overall Water Splitting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1803638. [PMID: 30444578 DOI: 10.1002/smll.201803638] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 10/26/2018] [Indexed: 06/09/2023]
Abstract
The scalable and cost-effective H2 fuel production via electrolysis demands an efficient earth-abundant oxygen and hydrogen evolution reaction (OER, and HER, respectively) catalysts. In this work, for the first time, the synthesis of a sheet-like Zn1- x Fex -oxyselenide and Zn1- x Fex -LDH on Ni-foam is reported. The hydrothermally synthesized Zn1- x Fex -LDH/Ni-foam is successfully converted into Zn1- x Fex -oxyselenide/Ni-foam through an ethylene glycol-assisted solvothermal method. The anionic regulation of electrocatalysts modulates the electronic properties, and thereby augments the electrocatalytic activities. The as-prepared Zn1- x Fex -LDH/Ni-foam shows very low OER and HER overpotentials of 263 mV at a current density of 20 mA cm-2 and 221 mV at 10 mA cm-2 , respectively. Interestingly, this OER overpotential is decreased to 256 mV after selenization and the HER overpotential of Zn1- x Fex -oxyselenide/Ni-foam is decreased from 238 to 202 mV at 10 mA cm-2 after a stability test. Thus, the Zn1- x Fex -oxyselenide/Ni-foam shows superior bifunctional catalytic activities and excellent durability at a very high current density of 50 mA cm-2 . More importantly, when the Zn1- x Fex -oxyselenide/Ni-foam is used as the anode and cathode in an electrolyzer for overall water splitting, Zn1- x Fex -oxyselenide/Ni-foam(+)ǁZn1- x Fex -oxyselenide/Ni-foam(-) shows an appealing potential of 1.62 V at 10 mA cm-2 . The anionic doping/substitution methodology is new and serves as an effective strategy to develop highly efficient bifunctional electrocatalysts.
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Affiliation(s)
- Gaddam Rajeshkhanna
- Advanced Materials Institute for BIN Convergence Technology (BK21 plus Global Program), Department of BIN Convergence Technology, Chonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Syam Kandula
- Advanced Materials Institute for BIN Convergence Technology (BK21 plus Global Program), Department of BIN Convergence Technology, Chonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Khem Raj Shrestha
- Advanced Materials Institute for BIN Convergence Technology (BK21 plus Global Program), Department of BIN Convergence Technology, Chonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Nam Hoon Kim
- Advanced Materials Institute for BIN Convergence Technology (BK21 plus Global Program), Department of BIN Convergence Technology, Chonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Joong Hee Lee
- Advanced Materials Institute for BIN Convergence Technology (BK21 plus Global Program), Department of BIN Convergence Technology, Chonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
- Carbon Composite Research Centre, Department of Polymer-Nano Science and Technology, Chonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
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