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Gui Y, Liu Z, Feng X, Jia Y, Zhang Y, Zhang Y, Yang H, Zhang Y, Li M, Liang L, Shi JW. One-step electrodeposition synthesis of NiFePS on carbon cloth as self-supported electrodes for electrochemical overall water splitting. J Colloid Interface Sci 2024; 673:444-452. [PMID: 38878378 DOI: 10.1016/j.jcis.2024.06.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 06/08/2024] [Accepted: 06/11/2024] [Indexed: 07/26/2024]
Abstract
Electrocatalytic water splitting (EWS) for hydrogen production is considered an ideal strategy for utilizing renewable energy, reducing fossil fuel consumption, and addressing environmental pollution issues. Traditional noble metal electrocatalysts have excellent performance, but their cost is high. Developing efficient, stable, and relatively inexpensive dual functional electrocatalysts is crucial for promoting large-scale EWS hydrogen production processes. Herein, a simple one-step electrodeposition method was used to grow nickel-iron phosphorus-sulfides (NiFePS) on the surface of hydrophilic treated carbon cloth (CC). The resultant NiFePS/CC with a phosphorus to sulfur ratio of 1:4 exhibited the best electrocatalytic performance, requiring only -91 mV and 216 mV overpotentials to generate the current densities of 10 mA·cm-2 in hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), respectively. When it was used as a bifunctional electrocatalyst to overall water splitting (OWS), a voltage of 1.536 V can generate a current density of 10 mA·cm-2. The excellent electrocatalytic performance can be ascribed to two factors: 1) the CC with excellent conductivity serves as a growth substrate, reducing the impedance of charge transfer from the electrode to the electrolyte and accelerating the electron transfer rate; 2) The large number of ultra-thin nanosheets formed on the surface of the catalyst increase the electrochemical specific surface area, expose more reaction sites, and thus improve the electrocatalytic reaction performance. This work provides a new approach for designing efficient non-noble metal electrocatalysts for water splitting.
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Affiliation(s)
- Yuwei Gui
- Technological Institute of Materials & Energy Science (TIMES), Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, School of Electronic Information, Xijing University, Xi'an 710123, China; State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Zhetong Liu
- Technological Institute of Materials & Energy Science (TIMES), Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, School of Electronic Information, Xijing University, Xi'an 710123, China; State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Xiangbo Feng
- Technological Institute of Materials & Energy Science (TIMES), Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, School of Electronic Information, Xijing University, Xi'an 710123, China.
| | - Yufei Jia
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Yimeng Zhang
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Yongming Zhang
- Technological Institute of Materials & Energy Science (TIMES), Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, School of Electronic Information, Xijing University, Xi'an 710123, China
| | - Haiyan Yang
- Technological Institute of Materials & Energy Science (TIMES), Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, School of Electronic Information, Xijing University, Xi'an 710123, China
| | - Yi Zhang
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Mingyang Li
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Liang Liang
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Jian-Wen Shi
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China.
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2
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Hou Z, Fan F, Wang Z, Du Y. A stable N-doped NiMoO 4/NiO 2 electrocatalyst for efficient oxygen evolution reaction. Dalton Trans 2024; 53:7430-7435. [PMID: 38591122 DOI: 10.1039/d3dt04034h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Recently, there has been a significant interest in the study of highly active and stable transition metal-based electrocatalysts for the oxygen evolution reaction (OER). Non-noble metal nanocatalysts with excellent inherent activity, many exposed active centers, rapid electron transfer, and excellent structural stability are especially promising for the displacement of precious-metal catalysts for the production of sustainable and "clean" hydrogen gas through water-splitting. Herein, efficient electrocatalyst N-doped nickel molybdate nanorods were synthesized on Ni foam by a hydrothermal process and effortless chemical vapor deposition. The heterostructure interface of N-NiMoO4/NiO2 led to strong electronic interactions, which were beneficial for enhancing the OER activity of the catalyst. Excellent OER catalytic activity in 1.0 M KOH was shown, which offered a small overpotential of 185.6 mV to acquire a current density of 10 mA cm-2 (superior to the commercial benchmark material RuO2 under the same condition). This excellent electrocatalyst was stable for 90 h at a constant current density of 10 mA cm-2. We created an extremely reliable and effective OER electrocatalyst without the use of noble metals by doping a nonmetal element with nanostructured heterojunctions of various active components.
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Affiliation(s)
- Zhengfang Hou
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China.
| | - Fangyuan Fan
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China.
| | - Zhe Wang
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China.
| | - Yeshuang Du
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China.
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3
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Zhao S, Cao W, Lu L, Tan Z, Wang Y, Wu L, Li J. Three-dimensional ordered macroporous design of heterogeneous cobalt-iron phosphides as oxygen evolution electrocatalyst. NANOTECHNOLOGY 2024; 35:185402. [PMID: 38262057 DOI: 10.1088/1361-6528/ad21a5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/23/2024] [Indexed: 01/25/2024]
Abstract
Oxygen evolution reaction (OER) plays a key role in electrochemical conversion, which needs efficient and economical electrocatalyst to boost its kinetics for large-scale application. Herein, a bimetallic CoP/FeP2heterostructure with a three-dimensional ordered macroporous structure (3DOM-CoP/FeP2) was synthesized as an OER catalyst to demonstrate a heterogeneous engineering induction strategy. By adjusting the electron distribution and producing a lot of active sites, the heterogeneous interface enhances catalytic performance. High specific surface area is provided by the 3DOM structure. Additionally, at the solid-gas-electrolyte threephase interface, the electrocatalytic reaction exhibits good mass transfer.In situRaman spectroscopy characterization revealed that FeOOH and CoOOH reconstructed from CoP/FeP2were the true OER active sites. Consequently, the 3DOM-CoP/FeP2demonstrates superior OER activity with a low overpotentials of 300/420 mV at 10/100 mA cm-2and meritorious OER durability. It also reveals promising performance as the overall water splitting anode.
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Affiliation(s)
- Songan Zhao
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
| | - Weijin Cao
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
| | - Lu Lu
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
| | - Zhaoyang Tan
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
| | - Yanji Wang
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
| | - Lanlan Wu
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
| | - Jingde Li
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, People's Republic of China
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4
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Liu ZZ, Yu N, Fan RY, Dong B, Yan ZF. Design and multilevel regulation of transition metal phosphides for efficient and industrial water electrolysis. NANOSCALE 2024; 16:1080-1101. [PMID: 38165428 DOI: 10.1039/d3nr04822e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Renewable energy electrolysis of water to produce hydrogen is an effective measure to break the energy dilemma. However, achieving activity and stability at a high current density is still a key problem in water electrolyzers. Transition metal phosphides (TMPs), with high activity and relative inexpensiveness, have become excellent candidates for the production of highly pure green hydrogen for industrial applications. In this mini-review, multilevel regulation strategies including nanoscale control, surface composition and interface structure design of high-performance TMPs for hydrogen evolution are systematically summarized. On this basis, in order to achieve large-scale hydrogen production in industry, the hydrogen evolution performance and stability of TMPs at a high current density are also discussed. Peculiarly, the practical application and requirements in proton exchange membrane (PEM) or anion exchange membrane (AEM) electrolyzers can guide the advanced design of regulatory strategies of TMPs for green hydrogen production from renewable energy. Finally, the challenges and prospects in the future development trend of TMPs for efficient and industrial water electrolysis are given.
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Affiliation(s)
- Zi-Zhang Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
| | - Ning Yu
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
| | - Ruo-Yao Fan
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
| | - Bin Dong
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
| | - Zi-Feng Yan
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
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Wu Y, Fang W, Hu Y, Dang J, Xin S, Li M, Li Z, Zhao H. Optimization of the tandem enzyme activity of V-MOF and its derivatives for highly sensitive nonenzymatic detection of cholesterol in living cells. J Colloid Interface Sci 2023; 649:601-615. [PMID: 37364460 DOI: 10.1016/j.jcis.2023.06.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/27/2023] [Accepted: 06/09/2023] [Indexed: 06/28/2023]
Abstract
It remains a great challenge to properly design and synthesize single-component artificial tandem enzymes for specific substrates with high selectivity. Herein, V-MOF is synthesized by solvothermal method and its derivatives are constructed via pyrolyzing V-MOF in nitrogen atmosphere at different temperatures, which are denoted as V-MOF-y (y = 300, 400, 500, 700 and 800). V-MOF and V-MOF-y possess tandem enzyme-like activity, i.e. cholesterol oxidase-like and peroxidase-like activity. Among them, V-MOF-700 shows the strongest tandem enzyme activity for V-N bonds. Based on the cascade enzyme activity of V-MOF-700, the nonenzymatic detection platform for cholesterol by fluorescent assay can be established in the presence of o-phenylenediamine (OPD) for the first time. The detection mechanism is that V-MOF-700 catalyzes cholesterol to generate hydrogen peroxide and further form hydroxyl radical (•OH), which can oxidize OPD to obtain oxidized OPD (oxOPD) with yellow fluorescence. The linear detection of cholesterol ranges of 2-70 μM and 70-160 μM with a lower detection limit of 0.38 μM (S/N = 3) are obtained. This method is used to detect cholesterol in human serum successfully. Especially, it can be applied to the rough quantification of membrane cholesterol in living tumor cells, indicating that it has the potential for clinical application.
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Affiliation(s)
- Ying Wu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Wenhui Fang
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Ye Hu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Jiaqi Dang
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Shixian Xin
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Min Li
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Zengxi Li
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 101408, China.
| | - Hong Zhao
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China; Binzhou Institute of Technology, Binzhou 256601, China.
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Chang J, Hu Z, Wu D, Xu F, Chen C, Jiang K, Gao Z. Prussian blue analog-derived nickel iron phosphide-reduced graphene oxide hybrid as an efficient catalyst for overall water electrolysis. J Colloid Interface Sci 2023; 638:801-812. [PMID: 36791478 DOI: 10.1016/j.jcis.2023.02.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 02/03/2023] [Accepted: 02/08/2023] [Indexed: 02/13/2023]
Abstract
Efficient and bifunctional nonprecious catalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) are essential for the production of green hydrogen via water electrolysis. Transition metal (Ni, Co, Fe, etc.) phosphides are frequently documented HER catalysts, whereas their bimetallic oxides are efficient OER catalysts, thus enabling bifunctional catalysis for water electrolysis via proper operation. Herein, phosphide-reduced graphene oxide (rGO) hybrids were prepared from graphene oxide (GO)-incorporated bimetal Prussian blue analog (PBA) precursors. The hybrids could experience partial surface oxidation to create oxide layers with OER activities, and the hybrids also possessed considerable HER properties, therefore enabling bifunctional catalytic features for water electrolysis. The typical NiFeP-rGO hybrid demonstrated an overpotential of 250 mV at 10 mA cm-2 and good durability for OER, as well as moderate HER catalytic features (overpotential of 165 mV at -10 mA cm-2 and acceptable catalytic stability). Due to the bifunctional catalytic features, the NiFeP-rGO-based symmetric water electrolyzer demonstrated a moderate input voltage and high faradaic efficiency (FE) for O2 and H2 production. The current work provides a feasible way to prepare OER and HER bifunctional catalysts by facile phosphorization of PBA-associated precursors and spontaneous surface oxidation. Given the oxidation/reduction bifunctional catalytic behaviors, phosphide-rGO hybrid catalysts have great potential for widespread application in fields beyond water electrolysis, such as electrochemical pollution abatement, sensors, energy devices and organic syntheses.
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Affiliation(s)
- Jiuli Chang
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Zhanqiang Hu
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Dapeng Wu
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environment Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Fang Xu
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Chen Chen
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environment Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China.
| | - Kai Jiang
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environment Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China.
| | - Zhiyong Gao
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China.
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Jiang LH, Cheng XF, Zhang HY, Cao Q, Song K, He JH. Self-supported spinel nanosphere as bifunctional electrocatalysts for energy-saving hydrogen production via urea-water electrolysis. J Colloid Interface Sci 2023; 643:403-408. [PMID: 37084620 DOI: 10.1016/j.jcis.2023.04.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/31/2023] [Accepted: 04/11/2023] [Indexed: 04/23/2023]
Abstract
Electrochemical oxidation of urea is of great importance in the removal and energy exchange and storage of urea from wastewater as well as of potential applications in potable dialysis of end-stage renal disease. However, the lack of economical electrocatalysts hinders its widespread application. In this study, we successfully fabricated ZnCo2O4 nanospheres with bifunctional catalysis on nickel foam (NF). The catalytic system has high catalytic activity and durability for urea overall electrolysis. The urea oxidation and hydrogen evolution reactions required only 1.32 V and -80.91 mV to obtain ± 10 mA cm-2. Only 1.39 V was needed to obtain 10 mA cm-2 for 40 h without noticeably declining activity. The excellent performance could be attributed to the fact that the material can provide multiple redox couplings and a three-dimensional porous structure to facilitate the release of gases from the surface.
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Affiliation(s)
- Li-Hua Jiang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Xue-Feng Cheng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Hao-Yu Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Qiang Cao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Kai Song
- Department of Nephrology, Second Affiliated Hospital of Soochow University, Suzhou, PR China.
| | - Jing-Hui He
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
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8
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Li F, Du M, Xiao X, Xu Q. Self-Supporting Metal-Organic Framework-Based Nanoarrays for Electrocatalysis. ACS NANO 2022; 16:19913-19939. [PMID: 36399093 DOI: 10.1021/acsnano.2c09396] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The replacement of powdery catalysts with self-supporting alternatives for catalyzing various electrochemical reactions is extremely important for the large-scale commercial application of renewable energy storage and conversion technologies. Metal-organic framework (MOF)-based nanoarrays possess tunable compositions, well-defined structure, abundant active sites, effective mass and electron transport, etc., which enable them to exhibit superior electrocatalytic performance in multiple electrochemical reactions. This review presents the latest research progress in developing MOF-based nanoarrays for electrocatalysis. We first highlight the structural features and electrocatalytic advantages of MOF-based nanoarrays, followed by a detailed summary of the design and synthesis strategies of MOF-based nanoarrays, and then describe the recent progress of their application in various electrocatalytic reactions. Finally, the challenges and perspectives are discussed, where further exploration into MOF-based nanoarrays will facilitate the development of electrochemical energy conversion technologies.
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Affiliation(s)
- Fayan Li
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Meng Du
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Xin Xiao
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Qiang Xu
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
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9
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Wu B, Gong S, Lin Y, Li T, Chen A, Zhao M, Zhang Q, Chen L. A Unique NiOOH@FeOOH Heteroarchitecture for Enhanced Oxygen Evolution in Saline Water. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108619. [PMID: 36055645 DOI: 10.1002/adma.202108619] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 08/29/2022] [Indexed: 06/15/2023]
Abstract
The development of highly efficient non-precious metal electrocatalysts for the oxygen evolution reaction (OER) in low-grade or saline water is currently of great importance for the large-scale production of hydrogen. In this study, by using an electrochemical activation pretreatment, metal oxy(hydroxide) nanosheet structures derived from self-supported nickel-iron phosphide and nitride nanoarrays grown on Ni foam are successfully fabricated for OER catalysis in saline water. It is demonstrated that the different NiOOH and NiOOH@FeOOH (NiOOH grown on FeOOH) structures are generated from nickel-iron nitride and phosphide, respectively, after electrochemical activation. In particular, the NiOOH@FeOOH heteroarchitecture shows outstanding electrocatalytic performance with an ultralow overpotential of 292 mV to drive the current density of 500 mA cm-2 . An unconventional dual-sites mechanism (UDSM) is proposed to address the OER process on NiOOH@FeOOH and show that the FeOOH underlayer plays a critical role regarding the enhanced OER activity of NiOOH. The new possible UDSM involving two reaction sites presents a different understanding of the OER process on multi-OH layer complexes, which is expected to guide the design of heteroarchitecture electrocatalysts.
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Affiliation(s)
- Bin Wu
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Shun Gong
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
| | - Yichao Lin
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, Zhejiang, 315000, P. R. China
| | - Tao Li
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- College of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an, Shanxi, 710054, P. R. China
| | - Anyang Chen
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
| | - Mengyuan Zhao
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
| | - Qiuju Zhang
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, Zhejiang, 315000, P. R. China
| | - Liang Chen
- Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, Zhejiang, 315000, P. R. China
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10
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Zhang Y, Qi L. MOF-derived nanoarrays as advanced electrocatalysts for water splitting. NANOSCALE 2022; 14:12196-12218. [PMID: 35968835 DOI: 10.1039/d2nr03411e] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Developing efficient, nanostructured electrocatalysts with the desired compositions and structures is of great significance for improving the efficiency of water splitting toward hydrogen production. In this regard, metal-organic framework (MOF) derived nanoarrays have attracted great attention as promising electrocatalysts because of their diverse compositions and adjustable structures. In this review, the recent progress in MOF-derived nanoarrays for electrochemical water splitting is summarized, highlighting the structural design of the MOF-derived nanoarrays and the electrocatalytic performance of the derived composite carbon materials, oxides, hydroxides, sulfides, and phosphides. In particular, the structure-performance relationships of the MOF-derived nanoarrays and the modulation strategies toward enhanced catalytic activity for both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are discussed, providing insights into the development of advanced catalysts for the HER and OER. The challenges and prospects in this promising field for future industrial applications are also addressed.
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Affiliation(s)
- Yujing Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry, Peking University, Beijing 100871, China.
| | - Limin Qi
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry, Peking University, Beijing 100871, China.
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11
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Zhu X, Li Y, Yang Y, He Y, Gao M, Peng W, Wu Q, Zhang G, Zhou Y, Chen F, Bao J, Li W. Ordered micropattern arrays fabricated by lung-derived dECM hydrogels for chemotherapeutic drug screening. Mater Today Bio 2022; 15:100274. [PMID: 35601895 DOI: 10.1016/j.mtphys.2020.100274] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 05/28/2023] Open
Abstract
AIMS This study aims to evaluate ECM-coated micropattern arrays derived from decellularization of native porcine lungs as a novel three-dimensional cell culture platform. METHODS ECM derived from decellularization of native porcine lungs was exploited to prepare hydrogels. Then, dECM-coated micropattern arrays were fabricated at four different diameters (50, 100, 150 and 200 μm) using polydimethylsiloxane (PDMS). Two lung cancer cell lines, A549 and H1299, were tested on a dECM-coated micropattern array as a novel culture platform for cell adhesion, distribution, proliferation, viability, phenotype expression, and drug screening to evaluate the cytotoxicity of paclitaxel, doxorubicin and cisplatin. RESULTS The ECM derived from decellularization of native porcine lungs supported cell adhesion, distribution, viability and proliferation better than collagen I and Matrigel as the coated matrix on the surface. Moreover, the optimal diameter of the micropattern arrays was 100-150 μm, as determined by measuring the morphology, viability, proliferation and phenotype of the cancer cell spheroids. Cell spheroids of A549 and H1299 on dECM-coated micropattern arrays showed chemoresistance to anticancer drugs compared to that of the monolayer. The different distributions of HIF-1α, MCL-1 (in the center) and Ki-67 and MRP2 (in the periphery) of the spheroids demonstrated the good establishment of basal-lateral polarity and explained the chemoresistance phenomenon of spheroids. CONCLUSIONS This novel three-dimensional cell culture platform is stable and reliable for anticancer drug testing. Drug screening in dECM-coated micropattern arrays provides a powerful alternative to existing methods for drug testing and metabolic profiling in the drug discovery process.
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Affiliation(s)
- Xinglong Zhu
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yi Li
- Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
- Precision Medicine Key Laboratory, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Ying Yang
- Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
- Precision Medicine Key Laboratory, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yuting He
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Mengyu Gao
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Wanliu Peng
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Qiong Wu
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Guangyue Zhang
- West China School of Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yanyan Zhou
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Fei Chen
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Ji Bao
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Weimin Li
- Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
- Precision Medicine Key Laboratory, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China
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Hyperbranched NixPy/NiCoP Arrays Based on Nickel Foam Electrode for Efficient and Stable Electrocatalytic Hydrogen Evolution. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00747-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Hu L, Jin L, Zhang T, Zhang J, He J, Chen D, Li N, Xu Q, Lu J. Self-supported MoO2-MoO3/Ni2P hybrids as a bifunctional electrocatalyst for energy-saving hydrogen generation via urea–water electrolysis. J Colloid Interface Sci 2022; 614:337-344. [DOI: 10.1016/j.jcis.2022.01.129] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/06/2022] [Accepted: 01/21/2022] [Indexed: 12/24/2022]
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Bodhankar PM, Sarawade PB, Kumar P, Vinu A, Kulkarni AP, Lokhande CD, Dhawale DS. Nanostructured Metal Phosphide Based Catalysts for Electrochemical Water Splitting: A Review. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107572. [PMID: 35285140 DOI: 10.1002/smll.202107572] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/05/2022] [Indexed: 06/14/2023]
Abstract
Amongst various futuristic renewable energy sources, hydrogen fuel is deemed to be clean and sustainable. Electrochemical water splitting (EWS) is an advanced technology to produce pure hydrogen in a cost-efficient manner. The electrocatalytic hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are the vital steps of EWS and have been at the forefront of research over the past decades. The low-cost nanostructured metal phosphide (MP)-based electrocatalysts exhibit unconventional physicochemical properties and offer very high turnover frequency (TOF), low over potential, high mass activity with improved efficiency, and long-term stability. Therefore, they are deemed to be potential electrocatalysts to meet practical challenges for supporting the future hydrogen economy. This review discusses the recent research progress in nanostructured MP-based catalysts with an emphasis given on in-depth understanding of catalytic activity and innovative synthetic strategies for MP-based catalysts through combined experimental (in situ/operando techniques) and theoretical investigations. Finally, the challenges, critical issues, and future outlook in the field of MP-based catalysts for water electrolysis are addressed.
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Affiliation(s)
- Pradnya M Bodhankar
- National Centre for Nanoscience and Nanotechnology, University of Mumbai, Vidyanagari, Santacruz, Mumbai, 400098, India
- Department of Physics, University of Mumbai, Vidyanagari, Santacruz, Mumbai, 400098, India
| | - Pradip B Sarawade
- National Centre for Nanoscience and Nanotechnology, University of Mumbai, Vidyanagari, Santacruz, Mumbai, 400098, India
- Department of Physics, University of Mumbai, Vidyanagari, Santacruz, Mumbai, 400098, India
| | - Prashant Kumar
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, The University of Newcastle, University Drive, Callaghan, NSW, 2308, Australia
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, The University of Newcastle, University Drive, Callaghan, NSW, 2308, Australia
| | - Aniruddha P Kulkarni
- Department of Chemical and Biological Engineering, Monash University, Victoria, 3800, Australia
| | - Chandrakant D Lokhande
- Centre for Interdisciplinary Research, D. Y. Patil Education Society, Kolhapur, 416 006, India
| | - Dattatray S Dhawale
- Centre for Interdisciplinary Research, D. Y. Patil Education Society, Kolhapur, 416 006, India
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15
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Sarkar B, Parui A, Das D, Singh AK, Nanda KK. Interfacial Electron Transfer Strategy to Improve the Hydrogen Evolution Catalysis of CrP Heterostructure. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106139. [PMID: 35129312 DOI: 10.1002/smll.202106139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Though several Pt-free hydrogen evolution reaction (HER) catalysts have been reported, their employment for industry is challenging. Here, a facile pyrolysis method to obtain phase-pure CrP nanoparticles supported on N, P dual-doped carbon (CrP/NPC) is reported to be tuned toward industrial HER. Interestingly, CrP/NPC exhibits excellent HER activity that requires an overpotential of 34 mV to attain a current density of 10 mA cm-2 , which is only 1 mV positive to commercial Pt/C and a potential of 55 mV to achieve a current density of 200 mA cm-2 which is better than Pt/C. In addition, the long-term durability of CrP/NPC is far superior to Pt/C due to the strong interaction between CrP and C support, restricting any agglomeration or leaching. Density functional theory (DFT) calculations suggest that electronic modulation at the interface (CrP/NPC) optimizes the hydrogen adsorption energy. The Cr-Cr bridge site with required density of states near the Fermi level is found to be the active site. Overall, this report provides a practical scheme to synthesize rarely investigated CrP based materials along with a computational mechanistic guideline for electrocatalysis that can be utilized to explore other phosphides for various applications.
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Affiliation(s)
- Bidushi Sarkar
- Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India
| | - Arko Parui
- Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India
| | - Debanjan Das
- Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India
| | - Abhishek Kumar Singh
- Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India
| | - Karuna Kar Nanda
- Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India
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Integrated electrocatalysts derived from metal organic frameworks for gas-involved reactions. NANO MATERIALS SCIENCE 2022. [DOI: 10.1016/j.nanoms.2022.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Wang H, Liu H, Feng T, Wang L, Yuan W, Huang Q, Guo Y. Electronically modulated nickel boron by CeO x doping as a highly efficient electrocatalyst towards overall water splitting. Dalton Trans 2021; 51:675-684. [PMID: 34908068 DOI: 10.1039/d1dt03278j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Exploiting economic, efficient and durable non-noble metal electrocatalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is promising, but still faces enormous challenges. Herein, the strategy of doping a metal boride with a rare earth metal oxide has been explored to develop a highly efficient bifunctional electrocatalyst. The novel electrocatalyst CeOx-NiB consists of CeOx-doped NiB supported on nickel foam, and was fabricated by a one-step mild electroless plating reaction. Remarkably, the CeOx-NiB@NF electrode delivers a current density of 10 mA cm-2 at overpotentials of only 19 mV and 274 mV for the HER and OER, respectively. Two-electrode electrolyzers with the CeOx-NiB@NF electrode require only 1.424 V to deliver 10 mA cm-2 for overall water splitting in 1.0 M KOH, outperforming the Pt-C/NF∥IrO2/NF electrolyzer. Meanwhile, the electrode also has good stability (can work for 100 hours at 10 mA cm-2) and industrial-grade current density. This work provides a new idea for the development of efficient and durable non-precious metal catalysts.
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Affiliation(s)
- Huimin Wang
- Shanghai Collaborative Innovation Centre for WEEE Recycling, Shanghai Polytechnic University, Shanghai, 201209, P.R. China.
| | - Huixiang Liu
- Department of Materials Science, Fudan University, Shanghai, 200433, P.R. China.
| | - Tao Feng
- Shanghai Collaborative Innovation Centre for WEEE Recycling, Shanghai Polytechnic University, Shanghai, 201209, P.R. China.
| | - Lincai Wang
- Shanghai Collaborative Innovation Centre for WEEE Recycling, Shanghai Polytechnic University, Shanghai, 201209, P.R. China.
| | - Wenyi Yuan
- Shanghai Collaborative Innovation Centre for WEEE Recycling, Shanghai Polytechnic University, Shanghai, 201209, P.R. China.
| | - Qing Huang
- Shanghai Collaborative Innovation Centre for WEEE Recycling, Shanghai Polytechnic University, Shanghai, 201209, P.R. China.
| | - Yanhui Guo
- Department of Materials Science, Fudan University, Shanghai, 200433, P.R. China.
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Thakur N, Kumar M, Mandal D, Nagaiah TC. Nickel Iron Phosphide/Phosphate as an Oxygen Bifunctional Electrocatalyst for High-Power-Density Rechargeable Zn-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52487-52497. [PMID: 34709029 DOI: 10.1021/acsami.1c12053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The evolution of an effective oxygen electrocatalyst is of great importance for the widespread application of Zn-air batteries but remains an immense challenge. Thus, an efficient catalyst toward the oxygen evolution reaction and oxygen reduction reaction (OER and ORR) is highly essential for high-performance Zn-air batteries. Here, we have reported bifunctional nickel iron phosphide/phosphate (NiFeP/Pi) catalysts with various Ni/Fe ratios toward oxygen electrocatalysis in alkaline media. These catalysts are highly active toward OER and ORR, wherein NiFe(1:2)P/Pi exhibits a low OER overpotential of 0.21 V at 10 mA cm-2 and a high ORR onset potential (0.98 V vs RHE) with the lowest potential difference (ΔE = E10 - E1/2) of 0.62 V, which surpasses that of the benchmark Pt/C and RuO2 catalyst as well as those of most previously reported bifunctional catalysts. Furthermore, the NiFe(1:2)P/Pi-based Zn-air battery demonstrates a very high power density of 395 mW cm-2 and outstanding discharge capacity of 900 mAh g-1@10 mA cm-2 along with steady cyclability, maintaining 98% of the round trip efficiency over 300 cycles. These results are helpful for a good understanding of the composition-activity relation with a certain band gap toward high-performance Zn-air batteries.
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Affiliation(s)
- Neha Thakur
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab-140001, India
| | - Mukesh Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab-140001, India
| | - Debaprasad Mandal
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab-140001, India
| | - Tharamani C Nagaiah
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab-140001, India
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19
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Yu W, Gao Y, Chen Z, Zhao Y, Wu Z, Wang L. Strategies on improving the electrocatalytic hydrogen evolution performances of metal phosphides. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(21)63855-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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20
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Cui C, Lai X, Guo R, Ren E, Qin W, Liu L, Zhou M, Xiao H. Waste paper-based carbon aerogel supported ZIF-67 derived hollow NiCo phosphate nanocages for electrocatalytic oxygen evolution reaction. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139076] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Cong Y, Huang S, Mei Y, Li TT. Metal-Organic Frameworks-Derived Self-Supported Carbon-Based Composites for Electrocatalytic Water Splitting. Chemistry 2021; 27:15866-15888. [PMID: 34472663 DOI: 10.1002/chem.202102209] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Indexed: 12/31/2022]
Abstract
Electrocatalytic water splitting has been considered as a promising strategy for the sustainable evolution of hydrogen energy and storage of intermittent electric energy. Efficient catalysts for electrocatalytic water splitting are urgently demanded to decrease the overpotentials and promote the sluggish reaction kinetics. Carbon-based composites, including heteroatom-doped carbon materials, metals/alloys@carbon composites, metal compounds@carbon composites, and atomically dispersed metal sites@carbon composites have been widely used as the catalysts due to their fascinating properties. However, these electrocatalysts are almost powdery form, and should be cast on the current collector by using the polymeric binder, which would result in the unsatisfied electrocatalytic performance. In comparison, a self-supported electrode architecture is highly attractive. Recently, self-supported metal-organic frameworks (MOFs) constructed by coordination of metal centers and organic ligands have been considered as suitable templates/precursors to construct free-standing carbon-based composites grown on conductive substrate. MOFs-derived carbon-based composites have various merits, such as the well-aligned array architecture and evenly distributed active sites, and easy functionalization with other species, which make them suitable alternatives to non-noble metal-included electrocatalysts. In this review, we intend to show the research progresses by employment of MOFs as precursors to prepare self-supported carbon-based composites. Focusing on these MOFs-derived carbon-based nanomaterials, the latest advances in their controllable synthesis, composition regulation, electrocatalytic performances in hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and overall water splitting (OWS) are presented. Finally, the challenges and perspectives are showed for the further developments of MOFs-derived self-supported carbon-based nanomaterials in electrocatalytic reactions.
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Affiliation(s)
- Yikang Cong
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, P. R. China
| | - Shengsheng Huang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, P. R. China
| | - Yan Mei
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, P. R. China
| | - Ting-Ting Li
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, P. R. China.,Key Laboratory of Advanced Mass Spectrometry and, Molecular Analysis of Zhejiang Province, Ningbo University, Ningbo, 315211, P. R. China
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Zhang K, Zou R. Advanced Transition Metal-Based OER Electrocatalysts: Current Status, Opportunities, and Challenges. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100129. [PMID: 34114334 DOI: 10.1002/smll.202100129] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 04/06/2021] [Indexed: 05/14/2023]
Abstract
Oxygen evolution reaction (OER) is an important half-reaction involved in many electrochemical applications, such as water splitting and rechargeable metal-air batteries. However, the sluggish kinetics of its four-electron transfer process becomes a bottleneck to the performance enhancement. Thus, rational design of electrocatalysts for OER based on thorough understanding of mechanisms and structure-activity relationship is of vital significance. This review begins with the introduction of OER mechanisms which include conventional adsorbate evolution mechanism and lattice-oxygen-mediated mechanism. The reaction pathways and related intermediates are discussed in detail, and several descriptors which greatly assist in catalyst screen and optimization are summarized. Some important parameters suggested as measurement criteria for OER are also mentioned and discussed. Then, recent developments and breakthroughs in experimental achievements on transition metal-based OER electrocatalysts are reviewed to reveal the novel design principles. Finally, some perspectives and future directions are proposed for further catalytic performance enhancement and deeper understanding of catalyst design. It is believed that iterative improvements based on the understanding of mechanisms and fundamental design principles are essential to realize the applications of efficient transition metal-based OER electrocatalysts for electrochemical energy storage and conversion technologies.
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Affiliation(s)
- Kexin Zhang
- Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials, School of Materials Science and Engineering, Peking University, Beijing, 100871, China
- Institute of Clean Energy, Peking University, Beijing, 100871, China
| | - Ruqiang Zou
- Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials, School of Materials Science and Engineering, Peking University, Beijing, 100871, China
- Institute of Clean Energy, Peking University, Beijing, 100871, China
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Wang Y, Li A, Cheng C. Ultrathin Co(OH) 2 Nanosheets@Nitrogen-Doped Carbon Nanoflake Arrays as Efficient Air Cathodes for Rechargeable Zn-Air Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101720. [PMID: 34258855 DOI: 10.1002/smll.202101720] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/09/2021] [Indexed: 06/13/2023]
Abstract
Developing highly active, cost-effective, and durable bifunctional oxygen electrocatalysts is an important step for the advancement of rechargeable Zn-air batteries (ZABs). Herein, an efficient bifunctional oxygen electrocatalyst of ultrathin Co(OH)2 nanosheets supported on nitrogen-doped carbon nanoflake arrays (named as Co(OH)2 @NC), is reported, which yields excellent bifunctional activity, i.e., a low overpotential of 285 mV to reach 10 mA cm-2 for oxygen evolution reaction (OER), a high half-wave potential (0.83 V) for oxygen reduction reaction (ORR), and a low potential gap (ΔE) of 0.69 V. The excellent bifunctional catalytic performance can be ascribed to the concerted efforts of cobalt hydroxide toward OER and nitrogen-doped carbon for ORR. The Co(OH)2 @NC nanoflake arrays is further used as binder-free air cathodes for rechargeable Zn-air batteries, exhibiting a high specific capacity of 798.3 mAh gZn -1 , improved stability (a working life of >70 h at 5 mA cm-2 ), as well as a reduced long-term charging voltage, which outperforms the counterparts of NC nanoflake arrays and Pt/C-based air cathodes. One step further, the Co(OH)2 @NC nanoflake arrays on carbon cloth are directly used as binder-free air cathodes for flexible, solid-state ZABs, showing excellent performance under deformation as well.
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Affiliation(s)
- Yijie Wang
- Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Aoshuang Li
- Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Chuanwei Cheng
- Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
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Carbon-Based Composites as Electrocatalysts for Oxygen Evolution Reaction in Alkaline Media. MATERIALS 2021; 14:ma14174984. [PMID: 34501072 PMCID: PMC8434594 DOI: 10.3390/ma14174984] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/21/2021] [Accepted: 08/24/2021] [Indexed: 12/15/2022]
Abstract
This review paper presents the most recent research progress on carbon-based composite electrocatalysts for the oxygen evolution reaction (OER), which are of interest for application in low temperature water electrolyzers for hydrogen production. The reviewed materials are primarily investigated as active and stable replacements aimed at lowering the cost of the metal electrocatalysts in liquid alkaline electrolyzers as well as potential electrocatalysts for an emerging technology like alkaline exchange membrane (AEM) electrolyzers. Low temperature electrolyzer technologies are first briefly introduced and the challenges thereof are presented. The non-carbon electrocatalysts are briefly overviewed, with an emphasis on the modes of action of different active phases. The main part of the review focuses on the role of carbon–metal compound active phase interfaces with an emphasis on the synergistic and additive effects. The procedures of carbon oxidative pretreatment and an overview of metal-free carbon catalysts for OER are presented. Then, the successful synthesis protocols of composite materials are presented with a discussion on the specific catalytic activity of carbon composites with metal hydroxides/oxyhydroxides/oxides, chalcogenides, nitrides and phosphides. Finally, a summary and outlook on carbon-based composites for low temperature water electrolysis are presented.
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Yao D, Gu L, Zuo B, Weng S, Deng S, Hao W. A strategy for preparing high-efficiency and economical catalytic electrodes toward overall water splitting. NANOSCALE 2021; 13:10624-10648. [PMID: 34132310 DOI: 10.1039/d1nr02307a] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Electrolyzing water technology to prepare high-purity hydrogen is currently an important field in energy development. However, the preparation of efficient, stable, and inexpensive hydrogen production technology from electrolyzed water is a major problem in hydrogen energy production. The key technology for hydrogen production from water electrolysis is to prepare highly efficient catalytic, stable and durable electrodes, which are used to reduce the overpotential of the hydrogen evolution reaction and the oxygen evolution reaction of electrolyzed water. The main strategies for preparing catalytic electrodes include: (i) choosing cheap, large specific surface area and stable base materials, (ii) modulating the intrinsic activity of the catalytic material through elemental doping and lattice changes, and (iii) adjusting the morphology and structure to increase the catalytic activity. Based on these findings, herein, we review the recent work in the field of hydrogen production by water electrolysis, introduce the preparation of catalytic electrodes based on nickel foam, carbon cloth and new flexible materials, and summarize the catalytic performance of metal oxides, phosphides, sulfides and nitrides in the hydrogen evolution and oxygen evolution reactions. Secondly, parameters such as the overpotential, Tafel slope, active site, turnover frequency, and stability are used as indicators to measure the performance of catalytic electrode materials. Finally, taking the material cost of the catalytic electrode as a reference, the successful preparations are comprehensively compared. The overall aim is to shed some light on the exploration of high-efficiency and economical electrodes in energy chemistry and also demonstrate that there is still room for discovering new combinations of electrodes including base materials, composition lattice changes and morphologies.
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Affiliation(s)
- Dongxue Yao
- University of Shanghai for Science and Technology, Shanghai 200093, P. R. China.
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Zhang B, Zheng Y, Ma T, Yang C, Peng Y, Zhou Z, Zhou M, Li S, Wang Y, Cheng C. Designing MOF Nanoarchitectures for Electrochemical Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006042. [PMID: 33749910 DOI: 10.1002/adma.202006042] [Citation(s) in RCA: 139] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/18/2020] [Indexed: 02/05/2023]
Abstract
Electrochemical water splitting has attracted significant attention as a key pathway for the development of renewable energy systems. Fabricating efficient electrocatalysts for these processes is intensely desired to reduce their overpotentials and facilitate practical applications. Recently, metal-organic framework (MOF) nanoarchitectures featuring ultrahigh surface areas, tunable nanostructures, and excellent porosities have emerged as promising materials for the development of highly active catalysts for electrochemical water splitting. Herein, the most pivotal advances in recent research on engineering MOF nanoarchitectures for efficient electrochemical water splitting are presented. First, the design of catalytic centers for MOF-based/derived electrocatalysts is summarized and compared from the aspects of chemical composition optimization and structural functionalization at the atomic and molecular levels. Subsequently, the fast-growing breakthroughs in catalytic activities, identification of highly active sites, and fundamental mechanisms are thoroughly discussed. Finally, a comprehensive commentary on the current primary challenges and future perspectives in water splitting and its commercialization for hydrogen production is provided. Hereby, new insights into the synthetic principles and electrocatalysis for designing MOF nanoarchitectures for the practical utilization of water splitting are offered, thus further promoting their future prosperity for a wide range of applications.
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Affiliation(s)
- Ben Zhang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Yijuan Zheng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Tian Ma
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
- West China School of Medicine/West China Hospital Sichuan University Chengdu 610041 China
| | - Chengdong Yang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Yifei Peng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Zhihao Zhou
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Mi Zhou
- College of Biomass Science and Engineering Sichuan University Chengdu 610065 China
| | - Shuang Li
- Functional Materials Department of Chemistry Technische Universität Berlin Hardenbergstraße 40 10623 Berlin Germany
| | - Yinghan Wang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Chong Cheng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
- Department of Chemistry and Biochemistry Freie Universität Berlin Takustraße 3 14195 Berlin Germany
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Zhang X, Zhang L, Zhu Y, Li Z, Wang Y, Wågberg T, Hu G. Increasing Electrocatalytic Oxygen Evolution Efficiency through Cobalt-Induced Intrastructural Enhancement and Electronic Structure Modulation. CHEMSUSCHEM 2021; 14:467-478. [PMID: 33043594 PMCID: PMC7821219 DOI: 10.1002/cssc.202001975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/22/2020] [Indexed: 05/09/2023]
Abstract
Electrolytic water splitting using surplus electricity represents one of the most cost-effective and promising strategies for hydrogen production. The high overpotential of the oxygen-evolution reaction (OER) caused by the multi-electron transfer process with a high chemical energy barrier, however, limits its competitiveness. Here, a highly active and stable OER electrocatalyst was designed through a cobalt-induced intrastructural enhancement strategy combined with suitable electronic structure modulation. A carved carbon nanobox was embedded with tri-metal phosphide from a uniform Ni-Co-Fe Prussian blue analogue (PBA) nanocube by sequential NH3 ⋅ H2 O etching and thermal phosphorization. The sample exhibited an OER activity in an alkaline medium, reaching a current density of 10 mA cm-2 at an overpotential of 182 mV and displayed a small Tafel slope of 47 mV dec-1 , superior to the most recently reported OER electrocatalysts. Moreover, it showed impressive electrocatalytic durability, increasing by approximately 2.7 % of operating voltage after 24 h of continuous testing. The excellent OER activity and stability are ascribed to a favorable transfer of mass and charge provided by the porous carbon shell, synergistic catalysis between the three-component metal phosphides originating from appropriate electronic structure modulation, more exposed catalytic sites on the hollow structure, and chainmail catalysis resulting from the carbon protective layer. It is foreseen that this successfully demonstrated design concept can be easily extended to other heterogeneous catalyst designs.
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Affiliation(s)
- Xin Zhang
- School of Materials Science and EngineeringAnhui University of Science and TechnologyHuainan, Anhui232001P. R. China
| | - Lei Zhang
- School of Materials Science and EngineeringAnhui University of Science and TechnologyHuainan, Anhui232001P. R. China
| | - Yuanxin Zhu
- School of Materials Science and EngineeringAnhui University of Science and TechnologyHuainan, Anhui232001P. R. China
| | - Ziyao Li
- School of Materials Science and EngineeringAnhui University of Science and TechnologyHuainan, Anhui232001P. R. China
| | - Yong Wang
- Institute for Ecological Research and Pollution Control of Plateau LakesSchool of Ecology and Environmental ScienceYunnan UniversityKunming650504P. R. China
| | | | - Guangzhi Hu
- Institute for Ecological Research and Pollution Control of Plateau LakesSchool of Ecology and Environmental ScienceYunnan UniversityKunming650504P. R. China
- Department of PhysicsUmeå UniversityUmeå901 87Sweden
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Yu X, He X, Li R, Gou X. One-step synthesis of amorphous nickel iron phosphide hierarchical nanostructures for water electrolysis with superb stability at high current density. Dalton Trans 2021; 50:8102-8110. [PMID: 34019054 DOI: 10.1039/d1dt00852h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The development of noble-metal-free high-performance bifunctional catalysts for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is essential but challenging for hydrogen production from water electrolysis. Herein, amorphous bimetallic nickel-iron phosphide hierarchical nanostructures enrooted on nickel-iron alloy foam (NiFeP/NFF) are facilely fabricated via direct phosphidation of NFF at low temperature and developed as an efficient self-supporting bifunctional electrocatalyst to catalyze both the OER and HER with high activity, fast kinetics and excellent stability. Moreover, an alkaline water electrolyzer simultaneously utilizing NiFeP/NFF as the cathode and anode only needs a cell voltage of 1.58 V to afford a current density of 10 mA cm-2, overpassing most of the reported bifunctional electrocatalysts and comparable to noble metal-based ones. Impressively, the NiFeP/NFF-based symmetric electrolyzer can work well without appreciable performance degradation at a high current density of 500 mA cm-2 for over 1000 h for continuous hydrogen production with 100% faradaic efficiency, showing superb durability and great promise for industrial application.
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Affiliation(s)
- Xuefeng Yu
- Chemical Synthesis and Pollution Control key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, P. R. China.
| | - Xun He
- Chemical Synthesis and Pollution Control key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, P. R. China.
| | - Rong Li
- Chemical Synthesis and Pollution Control key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, P. R. China.
| | - Xinglong Gou
- Chemical Synthesis and Pollution Control key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, P. R. China.
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He B, Peng CQ, Ye F, Gao HW, Wang Y, Tang YW, Hao QL, Liu HK, Su Z. Facile formation of Fe-doped NiCoP hollow nanocages as bifunctional electrocatalysts for overall water splitting. CrystEngComm 2021. [DOI: 10.1039/d1ce00415h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rational design of electrocatalysts with unique morphological structures and chemical compositions is crucial for electrochemical performance and energy storage capacity.
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Affiliation(s)
- Bin He
- Key Laboratory for Soft Chemistry and Functional Materials
- Nanjing University of Science and Technology
- Ministry of Education
- Nanjing 210094
- China
| | - Chun-Qing Peng
- Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210046
- China
| | - Feng Ye
- Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210046
- China
| | - Hai-Wen Gao
- Key Laboratory for Soft Chemistry and Functional Materials
- Nanjing University of Science and Technology
- Ministry of Education
- Nanjing 210094
- China
| | - Yang Wang
- Key Laboratory for Soft Chemistry and Functional Materials
- Nanjing University of Science and Technology
- Ministry of Education
- Nanjing 210094
- China
| | - Ya-Wen Tang
- Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210046
- China
| | - Qing-Li Hao
- Key Laboratory for Soft Chemistry and Functional Materials
- Nanjing University of Science and Technology
- Ministry of Education
- Nanjing 210094
- China
| | - Hong-Ke Liu
- Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210046
- China
| | - Zhi Su
- Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210046
- China
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Zheng Y, Xu X. Surface Atom Regulation on Polyoxometalate Electrocatalyst for Simultaneous Low-Voltage H 2 Production and Phenol Degradation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53739-53748. [PMID: 33201666 DOI: 10.1021/acsami.0c14431] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The electrocatalytic hydrogen evolution reaction is an ideal method for H2 production. To improve the performance of polyoxometalate-based electrocatalyst in the hydrogen evolution reaction, one O2- in polyoxometalate is replaced by S2-. This weakens the binding of polyoxometalate to H*, facilitates its desorption, and improves the H2 generation property. Vulcanized polyoxometalate only requires 55 mV to achieve 10 mA·cm-2 current in the hydrogen evolution reaction. This electrocatalyst also exhibits promising performance in phenol degradation reaction, which is an ideal substitute for high-energy-consuming oxygen evolution reaction in H2 production due to low voltage to drive. To acquire 100 and 200 mA·cm-2 in the phenol degradation reaction, this vulcanized polyoxometalate only consumes 1.38 and 1.41 V. With this electrocatalyst working as a cathode and an anode simultaneously, an electrolyzer is constructed by employing phenol-containing KOH as an electrolyte. To obtain 100 and 200 mA·cm-2 current, the electrolyzer only requires 1.54 and 1.57 V. Because energy-efficient phenol degradation reaction occurs, these values are obviously lower than the oxygen evolution reaction involved in the overall water-splitting H2 production. This work provides a universal method to enhance the hydrogen evolution reaction (HER) activity of polyoxometalates. Furthermore, a new method is explored, which achieves energy conservation and phenol degradation simultaneously in H2 production.
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Affiliation(s)
- Yang Zheng
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Xinxin Xu
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
- Institute for Frontier Technologies of Low-Carbon Steelmaking, Northeastern University, Shenyang 110819, China
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Jin L, Xu H, Wang C, Wang Y, Shang H, Du Y. Multi-dimensional collaboration promotes the catalytic performance of 1D MoO 3 nanorods decorated with 2D NiS nanosheets for efficient water splitting. NANOSCALE 2020; 12:21850-21856. [PMID: 33104135 DOI: 10.1039/d0nr05250g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The ability to manipulate heterostructures is of great importance to achieve high-performance electrocatalysts for direct water-splitting devices with excellent activity toward hydrogen production. Herein, a novel top-down strategy involving the in situ transformation of one-dimensional MoO3 nanorod arrays grafted with two-dimensional NiS nanosheets supported on a three-dimensional nickel foam skeleton is proposed. Namely, a heterostructured electrocatalyst on the Ni foam skeleton containing MoO3 nanorod arrays decorated with NiS nanosheets is synthesized by a facile hydrothermal method followed by one-step sulfidation treatment. Experimental analysis confirmed that this novel composite has the merits of a large quantity of accessible active sites, unique distribution of three different spatial dimensions, accelerated mass/electron transfer, and the synergistic effect of its components, resulting in impressive electrocatalytic properties toward the hydrogen evolution reaction and oxygen evolution reaction. Furthermore, an advanced water-splitting electrolyzer was assembled with NiS/MoO3/NF as both the anodic and cathodic working electrode. This device requires a low cell voltage of 1.56 V to afford a water-splitting current density of 10 mA·cm-2 in basic electrolyte, outperforming previously reported electrocatalysts and even state-of-the-art electrocatalysts. More significantly, this work provides a way to revolutionize the design of heterostructured electrocatalysts for the large-scale commercial production of hydrogen using direct water-splitting devices.
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Affiliation(s)
- Liujun Jin
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
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