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Saqib Rabbani M, Chen JH, Duan YX, Cui RC, Du X, Liu ZY, Imran Anwar M, Zafar Z, Yue XZ. Altering electronic structure of nickel foam supported CoNi-based oxide through Al ions modulation for efficient oxygen evolution reaction. J Colloid Interface Sci 2024; 673:19-25. [PMID: 38870664 DOI: 10.1016/j.jcis.2024.06.057] [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: 02/19/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 06/15/2024]
Abstract
Developing highly active and durable non-precious metal-based electrocatalysts for the oxygen evolution reaction (OER) is crucial in achieving efficient energy conversion. Herein, we reported a CoNiAl0.5O/NF nanofilament that exhibits higher OER activity than previously reported IrO2-based catalysts in alkaline solution. The as-synthesized CoNiAl0.5O/NF catalyst demonstrates a low overpotential of 230 mV at a current density of 100 mA cm-2, indicating its high catalytic efficiency. Furthermore, the catalyst exhibits a Tafel slope of 26 mV dec-1, suggesting favorable reaction kinetics. The CoNiAl0.5O/NF catalyst exhibits impressive stability, ensuring its potential for practical applications. Detailed characterizations reveal that the enhanced activity of CoNiAl0.5O/NF can be attributed to the electronic modulation achieved through Al3+ incorporation, which promotes the emergence of higher-valence Ni metal, facilitating nanofilament formation and improving mass transport and charge transfer processes. The synergistic effect between nanofilaments and porous nickel foam (NF) substrate significantly enhances the electrical conductivity of this catalyst material. This study highlights the significance of electronic structures for improving the activity of cost-effective and non-precious metal-based electrocatalysts for the OER.
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Affiliation(s)
| | - Jing-Huo Chen
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yan-Xin Duan
- SINOPEC Maoming Petrochemical Co. Ltd, Maoming 525000, China
| | - Rong-Chao Cui
- SINOPEC Maoming Petrochemical Co. Ltd, Maoming 525000, China
| | - Xin Du
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Zhong-Yi Liu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, PR China
| | | | - Zaiba Zafar
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, PR China
| | - Xin-Zheng Yue
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, PR China.
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2
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Tüysüz H. Alkaline Water Electrolysis for Green Hydrogen Production. Acc Chem Res 2024. [PMID: 38335244 PMCID: PMC10882964 DOI: 10.1021/acs.accounts.3c00709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
ConspectusThe global energy landscape is undergoing significant change. Hydrogen is seen as the energy carrier of the future and will be a key element in the development of more sustainable industry and society. However, hydrogen is currently produced mainly from fossil fuels, and this needs to change. Alkaline water electrolysis with advanced technology has the most significant potential for this transition to produce large-scale green hydrogen by utilizing renewable energy. The assembly of industrial electrolyzer plants is more complex on a larger scale, but it follows a basic working principle, which involves two half-cells of anode and cathode sites where the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) occur. Out of the two reactions, the OER is more challenging both thermodynamically and kinetically. Besides having access to renewable electricity, developing durable and abundant electrocatalysts for the OER remains a challenge in large-scale alkaline water electrolysis. Among different physicochemical properties, the electrocatalyst surface and its interaction with water and reaction intermediates, as well as formed molecular hydrogen and oxygen, play an essential role in the catalytic performance and the reaction mechanism. In particular, the binding strengths between the catalyst surface and intermediates determine the rate-limiting step and electrocatalytic performance.This Account gives some insights into the status of the hydrogen economy and basic principles of alkaline water electrolysis by covering its fundamentals as well as industrial developments. Further, the HER and OER reaction mechanisms of alkaline water electrolysis and selected electrocatalyst progress for both half-reactions are briefly discussed. The Adsorbate Evolution Mechanism and the Lattice Oxygen Mechanism for the OER are explained with specific references. This Account also deliberates on the author's selected contributions to the development of transition metal-based electrocatalysts for alkaline water electrolysis with an emphasis on OER. The focus is particularly given to the enhancement of intrinsic activity, the role of eg-filling, phase segregation, and defect structure of cobalt-based electrocatalysts for OER. Structural modification and phase transformation of the cobalt oxide electrocatalyst under working conditions are further deliberated. In addition, the creation of new active surface species and the activation of cobalt- and nickel-based electrocatalysts through iron uptake from the alkaline electrolyte are discussed. In the end, this Account provides a brief overview of challenges related to large-scale production and utilization of green hydrogen.
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Affiliation(s)
- Harun Tüysüz
- Department of Heterogeneous Catalysis and Sustainable Energy, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm- Platz 1, 45470 Mülheim an der Ruhr, Germany
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Xie J, Wang S, Luo H, Tan L, Yu Z, Yu Y, Liu Y, Jiang F, Chen H. Reconstruction of CoN x /NC Catalyst during Oxygen Evolution Reaction by Fe 3+ Modulation for Enhanced Activity and Stability. CHEMSUSCHEM 2023; 16:e202300468. [PMID: 37161696 DOI: 10.1002/cssc.202300468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/11/2023]
Abstract
The surface reconstruction of transition metal-based catalysts has been demonstrated to be beneficial for oxygen evolution reaction (OER). However, regulating the activity and stability of the components derived from reconstruction is challenging. Here, a strategy of Fe3+ ion modulating the reconstruction components of CoN0.4 on a nitrogen-doped carbon carrier(CoN0.4 /NC) electrocatalyst for promoted OER activity and stability is reported. During the OER process, the cobalt nitride components on the surface of CoN0.4 /NC catalyst were converted into CoOOH and Co4+ species. The addition of Fe3+ stabilized the CoOOH phase and facilitated the formation of Fe-CoOOH active phase, enhancing the activity and stability of CoN0.4 /NC. The Fe10 -CoN0.4 /NC catalyst achieved a current density of 10 mA cm-2 at a low overpotential of 300 mV (vs. RHE) with a Tafel slope of 68.12 mV dec-1 . The overpotential of Fe10 -CoN0.4 /NC was 122 mV lower than that of the CoN0.4 /NC catalyst and was comparable to commercial RuO2 catalyst. This study develops a novel technology for regulating the production of reconstructed species using Fe3+ ions.
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Affiliation(s)
- Junliang Xie
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Siyuan Wang
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Haopeng Luo
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Ling Tan
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Zhonghao Yu
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Yalin Yu
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Yun Liu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, 210008, Nanjing, P. R. China
| | - Fang Jiang
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
| | - Huan Chen
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 210094, Nanjing, P. R. China
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Jiang Z, Zhu X, Wang Z, Liu W, Yan W, Sivula K, Bao J. Edge-Sharing Octahedrally Coordinated NiFe Dual Active Sites on ZnFe 2 O 4 for Photoelectrochemical Water Oxidation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2301869. [PMID: 37261961 PMCID: PMC10401156 DOI: 10.1002/advs.202301869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/02/2023] [Indexed: 06/03/2023]
Abstract
The structural properties of octahedral sites (BOh ) in spinel oxides (AB2 O4 ) play vital roles in the electrochemical performance of oxygen-related reactions. However, the precise manipulation of AB2 O4 remains challenging due to the complexity of their crystal structure. Here, a simple and versatile molten-salt-mediated strategy is reported to introduce Ni2+ in Boh sites intentionally on the surface of zinc ferrite (ZnFe2 O4 , ZFO) to promote the active sites for photoelectrochemical (PEC) water splitting. The as-created photoanode (ZFO-MSNi) shows a remarkable cathodic shift of ≈ 450 mV (turn-on voltage of ≈ 0.6 VRHE ) as well as three times the 1-sun photocurrent density at 1.23 VRHE for PEC water oxidation in comparison with bare ZFO. A comprehensive structural characterization clearly reveals the local structure of the introduced Ni2+ in ZFO-MSNi. Fewer surface trapping states are observed while the precisely introduced Ni2+ and associated neighboring Fe(3-σ)+ (0<σ<1) sites unite in an edge-sharing octahedral configuration to function as NiFe dual active sites for PEC water oxidation. Moreover, open circuit potential measurements and rapid-scan voltammetry investigation give further insight into the enhanced PEC performance. Overall, this work displays a versatile strategy to regulate the surface active sites of photoelectrodes for increasing performance in PEC solar energy conversion systems.
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Affiliation(s)
- Zhiyong Jiang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China
| | - Xiaodi Zhu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China
| | - Zhiyu Wang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China
| | - Wei Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Wensheng Yan
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China
| | - Kevin Sivula
- Laboratory for Molecular Engineering of Optoelectronic Nanomaterials (LIMNO), École Polytechnique Fédérale de Lausanne, Station 6, Lausanne, 1015, Switzerland
| | - Jun Bao
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Hefei, Anhui, 230029, China
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5
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Guo X, Zhang X, Wu Y, Xin Y, Li D, Zhang Y, Yu P. Electronic tuning of Ni-Fe-Co oxide/hydroxide as highly active electrocatalyst for rechargeable Zn-air batteries. Dalton Trans 2023; 52:4315-4322. [PMID: 36779278 DOI: 10.1039/d2dt03682g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
As a bifunctional oxygen electrocatalyst (oxygen reduction reaction (ORR) and oxygen evolution reaction (OER)), spinel copper cobaltite (CuCo2O4) is attracting significant research interest owing to the tailored Co, Cu electronic structure and ease of adjusting the electrochemically active area. However, its poor OER performance (>300 mV at 10 mA cm-2) limits its practical application for rechargeable zinc-air batteries. Therefore, we construct a CuCo2O4/NiFe LDH oxide/hydroxide interface to tune the properties of Ni, Fe and Co for enhancing OER activity and decreasing the charging overpotential of rechargeable zinc-air batteries. The obtained electrocatalysts show a low overpotential of 251 mV (10 mA cm-2), which is 91 mV lower than the overpotential (342 mV) of CuCo2O4. By in situ Raman, XPS and electrochemical analyses, we ascribe the enhanced OER activity to the increasing Ni/Fe oxidation state triggered by the charge transfer of Ni/Fe and Co, which prompts CuCo2O4/NiFe LDH to rapidly form an active surface layer. Benefiting from enhanced OER performance, zinc-air batteries with a CuCo2O4/NiFe LDH electrode display a high round-trip efficiency with a low voltage gap of ∼0.78 V (10 mA cm-2) due to the obvious decrease in the charging overpotential. These results suggest the importance of tuning the charge transfer on interfaces for designing high-efficiency electrocatalysts.
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Affiliation(s)
- Xiaolong Guo
- Chongqing Key Laboratory of Photo-Electric Functional Materials, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China.
| | - Xinyu Zhang
- Chongqing Key Laboratory of Photo-Electric Functional Materials, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China.
| | - Yong Wu
- Institute of Materials & Laboratory for Microstructure, Shanghai University, Shanghai 200072, China
| | - Yuci Xin
- Chongqing Key Laboratory of Photo-Electric Functional Materials, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China.
| | - Dongmei Li
- Chongqing Key Laboratory of Photo-Electric Functional Materials, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China.
| | - Yuxin Zhang
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.
| | - Peng Yu
- Chongqing Key Laboratory of Photo-Electric Functional Materials, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China.
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6
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Bowker M, DeBeer S, Dummer NF, Hutchings GJ, Scheffler M, Schüth F, Taylor SH, Tüysüz H. Advancing Critical Chemical Processes for a Sustainable Future: Challenges for Industry and the Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis (FUNCAT). Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Michael Bowker
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion Germany
| | - Nicholas F. Dummer
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
| | - Graham J. Hutchings
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
| | - Matthias Scheffler
- The NOMAD Laboratory at the FHI of the Max-Planck-Gesellschaft and IRIS Adlershof of the Humboldt Universität zu Berlin Germany
| | | | - Stuart H. Taylor
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
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7
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Bowker M, DeBeer S, Dummer NF, Hutchings GJ, Scheffler M, Schüth F, Taylor SH, Tüysüz H. Advancing Critical Chemical Processes for a Sustainable Future: Challenges for Industry and the Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis (FUNCAT). Angew Chem Int Ed Engl 2022; 61:e202209016. [PMID: 36351240 PMCID: PMC10099920 DOI: 10.1002/anie.202209016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Indexed: 11/11/2022]
Abstract
Catalysis is involved in around 85 % of manufacturing industry and contributes an estimated 25 % to the global domestic product, with the majority of the processes relying on heterogeneous catalysis. Despite the importance in different global segments, the fundamental understanding of heterogeneously catalysed processes lags substantially behind that achieved in other fields. The newly established Max Planck-Cardiff Centre on the Fundamentals of Heterogeneous Catalysis (FUNCAT) targets innovative concepts that could contribute to the scientific developments needed in the research field to achieve net zero greenhouse gas emissions in the chemical industries. This Viewpoint Article presents some of our research activities and visions on the current and future challenges of heterogeneous catalysis regarding green industry and the circular economy by focusing explicitly on critical processes. Namely, hydrogen production, ammonia synthesis, and carbon dioxide reduction, along with new aspects of acetylene chemistry.
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Affiliation(s)
- Michael Bowker
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion Germany
| | - Nicholas F. Dummer
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
| | - Graham J. Hutchings
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
| | - Matthias Scheffler
- The NOMAD Laboratory at the FHI of the Max-Planck-Gesellschaft and IRIS Adlershof of the Humboldt Universität zu Berlin Germany
| | | | - Stuart H. Taylor
- Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis Cardiff Catalysis Institute School of Chemistry Cardiff University Cardiff CF10 3AT UK
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8
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Wang Y, Zhu YQ, Xie Z, Xu SM, Xu M, Li Z, Ma L, Ge R, Zhou H, Li Z, Kong X, Zheng L, Zhou J, Duan H. Efficient Electrocatalytic Oxidation of Glycerol via Promoted OH* Generation over Single-Atom-Bismuth-Doped Spinel Co 3O 4. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ye Wang
- Department of Chemistry, Tsinghua University, Beijing100084, China
| | - Yu-Quan Zhu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing100029, China
| | - Zhiheng Xie
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing100091, China
| | - Si-Min Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing100029, China
| | - Ming Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing100029, China
| | - Zezhou Li
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing100091, China
| | - Lina Ma
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing100029, China
| | - Ruixiang Ge
- Department of Chemistry, Tsinghua University, Beijing100084, China
| | - Hua Zhou
- Department of Chemistry, Tsinghua University, Beijing100084, China
| | - Zhenhua Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing100029, China
| | - Xianggui Kong
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing100029, China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing100049, China
| | - Jihan Zhou
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing100091, China
| | - Haohong Duan
- Department of Chemistry, Tsinghua University, Beijing100084, China
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9
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Gao R, Hu B, Fang Z, Deng M, Wu Y, Yan Q, Yuan W, Chen D, Han W, Chen Z. Ionic liquid-assisted synthesis of cobalt‑iron difluoride electrocatalysts for oxygen evolution reaction. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2022.106482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Budiyanto E, Salamon S, Wang Y, Wende H, Tüysüz H. Phase Segregation in Cobalt Iron Oxide Nanowires toward Enhanced Oxygen Evolution Reaction Activity. JACS AU 2022; 2:697-710. [PMID: 35373196 PMCID: PMC8970005 DOI: 10.1021/jacsau.1c00561] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Indexed: 06/14/2023]
Abstract
The impact of reduction post-treatment and phase segregation of cobalt iron oxide nanowires on their electrochemical oxygen evolution reaction (OER) activity is investigated. A series of cobalt iron oxide spinel nanowires are prepared via the nanocasting route using ordered mesoporous silica as a hard template. The replicated oxides are selectively reduced through a mild reduction that results in phase transformation as well as the formation of grain boundaries. The detailed structural analyses, including the 57Fe isotope-enriched Mössbauer study, validated the formation of iron oxide clusters supported by ordered mesoporous CoO nanowires after the reduction process. This affects the OER activity significantly, whereby the overpotential at 10 mA/cm2 decreases from 378 to 339 mV and the current density at 1.7 V vs RHE increases by twofold from 150 to 315 mA/cm2. In situ Raman microscopy revealed that the surfaces of reduced CoO were oxidized to cobalt with a higher oxidation state upon solvation in the KOH electrolyte. The implementation of external potential bias led to the formation of an oxyhydroxide intermediate and a disordered-spinel phase. The interactions of iron clusters with cobalt oxide at the phase boundaries were found to be beneficial to enhance the charge transfer of the cobalt oxide and boost the overall OER activity by reaching a Faradaic efficiency of up to 96%. All in all, the post-reduction and phase segregation of cobalt iron oxide play an important role as a precatalyst for the OER.
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Affiliation(s)
- Eko Budiyanto
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Soma Salamon
- Faculty
of Physics and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 47057 Duisburg, Germany
| | - Yue Wang
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Heiko Wende
- Faculty
of Physics and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 47057 Duisburg, Germany
| | - Harun Tüysüz
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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11
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Priamushko T, Budiyanto E, Eshraghi N, Weidenthaler C, Kahr J, Jahn M, Tüysüz H, Kleitz F. Incorporation of Cu/Ni in Ordered Mesoporous Co-Based Spinels to Facilitate Oxygen Evolution and Reduction Reactions in Alkaline Media and Aprotic Li-O 2 Batteries. CHEMSUSCHEM 2022; 15:e202102404. [PMID: 34905292 PMCID: PMC9303656 DOI: 10.1002/cssc.202102404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/13/2021] [Indexed: 06/02/2023]
Abstract
Ordered mesoporous CuNiCo oxides were prepared via nanocasting with varied Cu/Ni ratio to establish its impact on the electrochemical performance of the catalysts. Physicochemical properties were determined along with the electrocatalytic activities toward oxygen evolution/reduction reactions (OER/ORR). Combining Cu, Ni, and Co allowed creating active and stable bifunctional electrocatalysts. CuNiCo oxide (Cu/Ni≈1 : 4) exhibited the highest current density of 411 mA cm-2 at 1.7 V vs. reversible hydrogen electrode (RHE) and required the lowest overpotential of 312 mV to reach 10 mA cm-2 in 1 m KOH after 200 cyclic voltammograms. OER measurements were also conducted in the purified 1 m KOH, where CuNiCo oxide (Cu/Ni≈1 : 4) also outperformed NiCo oxide and showed excellent chemical and catalytic stability. For ORR, Cu/Ni incorporation provided higher current density, better kinetics, and facilitated the 4e- pathway of the oxygen reduction reaction. The tests in Li-O2 cells highlighted that CuNiCo oxide can effectively promote ORR and OER at a lower overpotential.
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Affiliation(s)
- Tatiana Priamushko
- Department of Inorganic Chemistry-Functional MaterialsFaculty of ChemistryUniversity of ViennaWähringer Straße 421090Wien, ViennaAustria
| | - Eko Budiyanto
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Nicolas Eshraghi
- Center for Low-Emission TransportElectric Vehicle TechnologiesAIT Austrian Institute of Technology GmbHGiefinggasse 21210Wien, ViennaAustria
| | - Claudia Weidenthaler
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Jürgen Kahr
- Center for Low-Emission TransportElectric Vehicle TechnologiesAIT Austrian Institute of Technology GmbHGiefinggasse 21210Wien, ViennaAustria
| | - Marcus Jahn
- Center for Low-Emission TransportElectric Vehicle TechnologiesAIT Austrian Institute of Technology GmbHGiefinggasse 21210Wien, ViennaAustria
| | - Harun Tüysüz
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Freddy Kleitz
- Department of Inorganic Chemistry-Functional MaterialsFaculty of ChemistryUniversity of ViennaWähringer Straße 421090Wien, ViennaAustria
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12
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Sriram S, Mathi S, Vishnu B, Karthikeyan B, Jayabharathi J. Ultra‐Durability and Enhanced Activity of Amorphous Cobalt Anchored Polyaniline Synergistic towards Electrocatalytic Water Oxidation. ChemistrySelect 2022. [DOI: 10.1002/slct.202104516] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Sundarraj Sriram
- Department of Chemistry Material Science Lab Annamalai University, Annamalai Nagar Tamil Nadu 608 002 India
| | - Selvam Mathi
- Department of Chemistry Material Science Lab Annamalai University, Annamalai Nagar Tamil Nadu 608 002 India
| | - Bakthavachalam Vishnu
- Department of Chemistry Material Science Lab Annamalai University, Annamalai Nagar Tamil Nadu 608 002 India
| | - B. Karthikeyan
- Department of Chemistry Material Science Lab Annamalai University, Annamalai Nagar Tamil Nadu 608 002 India
| | - Jayaraman Jayabharathi
- Department of Chemistry Material Science Lab Annamalai University, Annamalai Nagar Tamil Nadu 608 002 India
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13
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Yu M, Budiyanto E, Tüysüz H. Principles of Water Electrolysis and Recent Progress in Cobalt‐, Nickel‐, and Iron‐Based Oxides for the Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202103824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mingquan Yu
- Department of Heterogeneous Catalysis Max-Planck-Institute für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Eko Budiyanto
- Department of Heterogeneous Catalysis Max-Planck-Institute für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Harun Tüysüz
- Department of Heterogeneous Catalysis Max-Planck-Institute für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
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Zhao S, Wang Z, Huang J, Wang L, Liu Y, Liu W, Liu ZQ. Cation-Tuning Induced d-Band Center Modulation on Co-based Spinel Oxide for Rechargeable Zn-Air Batteries. Angew Chem Int Ed Engl 2021; 61:e202114696. [PMID: 34970837 DOI: 10.1002/anie.202114696] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Indexed: 11/06/2022]
Abstract
Atomic substitutions at the tetrahedral site (A Td ) could theoretically achieve an efficient optimization of the charge at the octahedral site (B Oh ) through the A Td -O-B Oh interactions in the spinel oxides (AB2O4). However, the precise control and adjustment of the spinel oxides are still challenging owing to the complexity of their crystal structure. In this work, we demonstrate a simple solvent method to tailor the structures of spinel oxides and further use the spinel oxide composites (ACo2O4/NCNTs, A = Mn, Co, Ni, Cu, Zn) for oxygen electrocatalysis. And the optimized MnCo2O4/NCNTs exhibit high activity and excellent durability for oxygen reduction/evolution reactions. Remarkably, the rechargeable liquid Zn-air battery equipped the MnCo2O4/NCNTs cathode affords a specific capacity of 827 mAh gZn-1 with high power density of 74.63 mW cm-2 and no voltage degradation after 300 cycles at a high charging-discharging rate (5 mA cm-2). The density functional theory (DFT) calculations reveal that the substitution could regulate the ratio of Co3+/Co2+ and thereby lead to the electronic structure modulated accompanied with the movement of d-band center. The tetrahedral and octahedral sites interact through the Mn-O-Co, the Co3+ Oh of MnCo2O4 with the optimal charge structure allows more suitable binding interaction between the active center and the oxygenated species, resulting in superior oxygen electrocatalytic performance. This work not only proves the influence of the charge modulation mechanism on the oxygen catalysis process but also provides novel strategies for the subsequent design of other oxygen catalysis materials.
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Affiliation(s)
- Shenlong Zhao
- The University of Sydney, School of Chemical and Biomolecular Engineering, 28 Bristol Rd, Hurstville, 2220, Sydney, AUSTRALIA
| | - Zepan Wang
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Jiahui Huang
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Ling Wang
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Yangyang Liu
- The University of Sydney, School of Chemical and Biomolecular Engineering, AUSTRALIA
| | - Wenhui Liu
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Zhao-Qing Liu
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
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15
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Zhao S, Wang Z, Huang J, Wang L, Liu Y, Liu W, Liu ZQ. Cation‐Tuning Induced d‐Band Center Modulation on Co‐based Spinel Oxide for Rechargeable Zn–Air Batteries. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202114696] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Shenlong Zhao
- The University of Sydney School of Chemical and Biomolecular Engineering 28 Bristol Rd, Hurstville 2220 Sydney AUSTRALIA
| | - Zepan Wang
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Jiahui Huang
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Ling Wang
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Yangyang Liu
- The University of Sydney School of Chemical and Biomolecular Engineering AUSTRALIA
| | - Wenhui Liu
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Zhao-Qing Liu
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
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16
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Rabe A, Büker J, Salamon S, Koul A, Hagemann U, Landers J, Friedel Ortega K, Peng B, Muhler M, Wende H, Schuhmann W, Behrens M. The Roles of Composition and Mesostructure of Cobalt-Based Spinel Catalysts in Oxygen Evolution Reactions. Chemistry 2021; 27:17038-17048. [PMID: 34596277 PMCID: PMC9298119 DOI: 10.1002/chem.202102400] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Indexed: 11/10/2022]
Abstract
By using the crystalline precursor decomposition approach and direct co-precipitation the composition and mesostructure of cobalt-based spinels can be controlled. A systematic substitution of cobalt with redox-active iron and redox-inactive magnesium and aluminum in a cobalt spinel with anisotropic particle morphology with a preferred 111 surface termination is presented, resulting in a substitution series including Co3 O4 , MgCo2 O4 , Co2 FeO4 , Co2 AlO4 and CoFe2 O4 . The role of redox pairs in the spinels is investigated in chemical water oxidation by using ceric ammonium nitrate (CAN test), electrochemical oxygen evolution reaction (OER) and H2 O2 decomposition. Studying the effect of dominant surface termination, isotropic Co3 O4 and CoFe2 O4 catalysts with more or less spherical particles are compared to their anisotropic analogues. For CAN-test and OER, Co3+ plays the major role for high activity. In H2 O2 decomposition, Co2+ reveals itself to be of major importance. Redox active cations in the structure enhance the catalytic activity in all reactions. A benefit of a predominant 111 surface termination depends on the cobalt oxidation state in the as-prepared catalysts and the investigated reaction.
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Affiliation(s)
- Anna Rabe
- Faculty of Chemistry, University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE), Universitätsstr. 7, 45141, Essen, Germany
| | - Julia Büker
- Laboratory of Industrial Chemistry Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstr. 150, 44780, Bochum, Germany
| | - Soma Salamon
- Faculty of Physics and CENIDE, University of Duisburg-Essen, Lotharstraße 1, 45057, Duisburg, Germany
| | - Adarsh Koul
- Analytical Chemistry-Center for Electrochemical Sciences (CES) Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstr. 150, 44780, Bochum, Germany
| | - Ulrich Hagemann
- Interdisciplinary Center for Analytics on the Nanoscale (ICAN), University of Duisburg-Essen, Carl-Benz-Straße 199, 47057, Duisburg, Germany.,Center for Nanointegration Duisburg-Essen (CENIDE), Carl-Benz-Straße 199, 47057, Duisburg, Germany
| | - Joachim Landers
- Faculty of Physics and CENIDE, University of Duisburg-Essen, Lotharstraße 1, 45057, Duisburg, Germany
| | - Klaus Friedel Ortega
- Institute for Inorganic Chemistry, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Str. 2, 24118, Kiel, Germany
| | - Baoxiang Peng
- Laboratory of Industrial Chemistry Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstr. 150, 44780, Bochum, Germany
| | - Martin Muhler
- Laboratory of Industrial Chemistry Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstr. 150, 44780, Bochum, Germany
| | - Heiko Wende
- Faculty of Physics and CENIDE, University of Duisburg-Essen, Lotharstraße 1, 45057, Duisburg, Germany
| | - Wolfgang Schuhmann
- Analytical Chemistry-Center for Electrochemical Sciences (CES) Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstr. 150, 44780, Bochum, Germany
| | - Malte Behrens
- Faculty of Chemistry, University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE), Universitätsstr. 7, 45141, Essen, Germany.,Center for Nanointegration Duisburg-Essen (CENIDE), Carl-Benz-Straße 199, 47057, Duisburg, Germany.,Institute for Inorganic Chemistry, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Str. 2, 24118, Kiel, Germany
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17
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Bähr A, Petersen H, Tüysüz H. Large‐Scale Production of Carbon‐Supported Cobalt‐Based Functional Nanoparticles for Oxygen Evolution Reaction. ChemCatChem 2021. [DOI: 10.1002/cctc.202100594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Alexander Bähr
- Department for Heterogeneous Catalysis and Sustainable Energy Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Hilke Petersen
- Department for Powder Diffraction and Surface Spectroscopy Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Harun Tüysüz
- Department for Heterogeneous Catalysis and Sustainable Energy Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
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18
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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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Zhang A, Liang Y, Zhang H, Geng Z, Zeng J. Doping regulation in transition metal compounds for electrocatalysis. Chem Soc Rev 2021; 50:9817-9844. [PMID: 34308950 DOI: 10.1039/d1cs00330e] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
In electrocatalysis, doping regulation has been considered as an effective method to modulate the active sites of catalysts, providing a powerful means for creating a large variety of highly efficient catalysts for various reactions. Of particular interest, there has been growing research concerning the doping of two-dimensional transition-metal compounds (TMCs) to optimize their electrocatalytic performance. Despite the previous achievements, mechanistic insights of doping regulation in TMCs for electrocatalysis are still lacking. Herein, we provide a systematic overview of doping regulation in TMCs in terms of background, preparation, impacts on physicochemical properties, and typical applications including the hydrogen evolution reaction, oxygen evolution reaction, oxygen reduction reaction, CO2 reduction reaction, and N2 reduction reaction. Notably, we bridge the understanding between the doping regulation of catalysts and their catalytic activities via focusing on the physicochemical properties of catalysts from the aspects of vacancy concentrations, phase transformation, surface wettability, electrical conductivity, electronic band structure, local charge distribution, tunable adsorption strength, and multiple adsorption configurations. We also discuss the existing challenges and future perspectives in this promising field.
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Affiliation(s)
- An Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
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20
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Öztürk S, Moon GH, Spieß A, Budiyanto E, Roitsch S, Tüysüz H, Janiak C. A Highly-Efficient Oxygen Evolution Electrocatalyst Derived from a Metal-Organic Framework and Ketjenblack Carbon Material. Chempluschem 2021; 86:1106-1115. [PMID: 34251761 DOI: 10.1002/cplu.202100278] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 06/28/2021] [Indexed: 11/06/2022]
Abstract
The composite of the metal-organic framework (MOF) Ni(Fe)-MOF-74 and the highly conductive carbon material ketjenblack (KB) could be easily obtained from the in-situ MOF synthesis in a one-step solvothermal reaction. The composite material features a remarkable electrochemical oxygen evolution reaction (OER) performance where the overpotential at 10 mA/cm2 and the current density at 1.7 VRHE are recorded as 0.274 VRHE and 650 mA/cm2 , respectively, in 1 mol/L KOH. In particular, the activation of nickel-iron clusters from the MOF under an applied anodic bias steadily boosts the OER performance. Although Ni(Fe)-MOF-74 goes through some structural modification during the electrochemical measurements, the stabilized and optimized composite material shows excellent OER performance. This simple strategy to design highly-efficient electrocatalysts, utilizing readily available precursors and carbon materials, will leverage the use of diverse metal-organic complexes into electrode fabrication with a high energy conversion efficiency.
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Affiliation(s)
- Seçil Öztürk
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-, Heine-Universität Düsseldorf Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Gun-Hee Moon
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis and Sustainable Energy, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
- Extreme Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, South Korea
| | - Alex Spieß
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-, Heine-Universität Düsseldorf Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Eko Budiyanto
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis and Sustainable Energy, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Stefan Roitsch
- Department für Chemie, Universität zu Köln, Greinstr. 4-6, D-50939, Köln, Germany
| | - Harun Tüysüz
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis and Sustainable Energy, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-, Heine-Universität Düsseldorf Universitätsstraße 1, 40225, Düsseldorf, Germany
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21
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Yu M, Budiyanto E, Tüysüz H. Principles of Water Electrolysis and Recent Progress in Cobalt-, Nickel-, and Iron-Based Oxides for the Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2021; 61:e202103824. [PMID: 34138511 PMCID: PMC9291824 DOI: 10.1002/anie.202103824] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Indexed: 11/15/2022]
Abstract
Water electrolysis that results in green hydrogen is the key process towards a circular economy. The supply of sustainable electricity and availability of oxygen evolution reaction (OER) electrocatalysts are the main bottlenecks of the process for large‐scale production of green hydrogen. A broad range of OER electrocatalysts have been explored to decrease the overpotential and boost the kinetics of this sluggish half‐reaction. Co‐, Ni‐, and Fe‐based catalysts have been considered to be potential candidates to replace noble metals due to their tunable 3d electron configuration and spin state, versatility in terms of crystal and electronic structures, as well as abundance in nature. This Review provides some basic principles of water electrolysis, key aspects of OER, and significant criteria for the development of the catalysts. It provides also some insights on recent advances of Co‐, Ni‐, and Fe‐based oxides and a brief perspective on green hydrogen production and the challenges of water electrolysis.
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Affiliation(s)
- Mingquan Yu
- Department of Heterogeneous Catalysis, Max-Planck-Institute für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Eko Budiyanto
- Department of Heterogeneous Catalysis, Max-Planck-Institute für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Harun Tüysüz
- Department of Heterogeneous Catalysis, Max-Planck-Institute für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
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22
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Regulating Fe-spin state by atomically dispersed Mn-N in Fe-N-C catalysts with high oxygen reduction activity. Nat Commun 2021; 12:1734. [PMID: 33741940 PMCID: PMC7979714 DOI: 10.1038/s41467-021-21919-5] [Citation(s) in RCA: 232] [Impact Index Per Article: 77.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 02/05/2021] [Indexed: 01/30/2023] Open
Abstract
As low-cost electrocatalysts for oxygen reduction reaction applied to fuel cells and metal-air batteries, atomic-dispersed transition metal-nitrogen-carbon materials are emerging, but the genuine mechanism thereof is still arguable. Herein, by rational design and synthesis of dual-metal atomically dispersed Fe,Mn/N-C catalyst as model object, we unravel that the O2 reduction preferentially takes place on FeIII in the FeN4 /C system with intermediate spin state which possesses one eg electron (t2g4eg1) readily penetrating the antibonding π-orbital of oxygen. Both magnetic measurements and theoretical calculation reveal that the adjacent atomically dispersed Mn-N moieties can effectively activate the FeIII sites by both spin-state transition and electronic modulation, rendering the excellent ORR performances of Fe,Mn/N-C in both alkaline and acidic media (halfwave positionals are 0.928 V in 0.1 M KOH, and 0.804 V in 0.1 M HClO4), and good durability, which outperforms and has almost the same activity of commercial Pt/C, respectively. In addition, it presents a superior power density of 160.8 mW cm−2 and long-term durability in reversible zinc–air batteries. The work brings new insight into the oxygen reduction reaction process on the metal-nitrogen-carbon active sites, undoubtedly leading the exploration towards high effective low-cost non-precious catalysts. The working mechanism of several low-cost electrocatalyst materials is still arguable. Here the authors show a model Fe,Mn/N-C catalyst where the oxygen reduction preferentially takes place on Fe(III) sites with the intermediate spin state (t2g4 eg1) caused by the adjacent Mn-N moieties.
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Yu M, Li G, Fu C, Liu E, Manna K, Budiyanto E, Yang Q, Felser C, Tüysüz H. Tunable e g Orbital Occupancy in Heusler Compounds for Oxygen Evolution Reaction*. Angew Chem Int Ed Engl 2021; 60:5800-5805. [PMID: 33300643 PMCID: PMC7986729 DOI: 10.1002/anie.202013610] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/23/2020] [Indexed: 01/08/2023]
Abstract
Heusler compounds have potential in electrocatalysis because of their mechanical robustness, metallic conductivity, and wide tunability in the electronic structure and element compositions. This study reports the first application of Co2 YZ-type Heusler compounds as electrocatalysts for the oxygen evolution reaction (OER). A range of Co2 YZ crystals was synthesized through the arc-melting method and the eg orbital filling of Co was precisely regulated by varying Y and Z sites of the compound. A correlation between the eg orbital filling of reactive Co sites and OER activity was found for Co2 MnZ compounds (Z=Ti, Al, V, and Ga), whereby higher catalytic current was achieved for eg orbital filling approaching unity. A similar trend of eg orbital filling on the reactivity of cobalt sites was also observed for other Heusler compounds (Co2 VZ, Z=Sn and Ga). This work demonstrates proof of concept in the application of Heusler compounds as a new class of OER electrocatalysts, and the influence of the manipulation of the spin orbitals on their catalytic performance.
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Affiliation(s)
- Mingquan Yu
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Guowei Li
- Max Planck Institute for Chemical Physics of SolidsNöthnitzer Straβe 4001187DresdenGermany
| | - Chenguang Fu
- Max Planck Institute for Chemical Physics of SolidsNöthnitzer Straβe 4001187DresdenGermany
| | - Enke Liu
- Max Planck Institute for Chemical Physics of SolidsNöthnitzer Straβe 4001187DresdenGermany
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190P. R. China
| | - Kaustuv Manna
- Max Planck Institute for Chemical Physics of SolidsNöthnitzer Straβe 4001187DresdenGermany
- Department of PhysicsIndian Institute of TechnologyDelhiNew Delhi110016India
| | - Eko Budiyanto
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Qun Yang
- Max Planck Institute for Chemical Physics of SolidsNöthnitzer Straβe 4001187DresdenGermany
| | - Claudia Felser
- Max Planck Institute for Chemical Physics of SolidsNöthnitzer Straβe 4001187DresdenGermany
| | - Harun Tüysüz
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
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Ghosh T, Natarajan K, Kumar P, Mobin SM. Nitrogen-Doped Mixed-Phase Cobalt Nanocatalyst Derived from a Trinuclear Mixed-Valence Cobalt(III)/Cobalt(II) Complex for High-Performance Oxygen Evolution Reaction. Inorg Chem 2021; 60:2333-2346. [PMID: 33502850 DOI: 10.1021/acs.inorgchem.0c03202] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Because of a continuous increase in energy demands and environmental concerns, a focus has been on the design and construction of a highly efficient, low-cost, environmentally friendly, and noble-metal free electrocatalyst for energy technology. Herein we report facile synthesis of the mixed-valence trinuclear cobalt complex 1 by the reaction of 2-amino-1-phenylethanol and CoCl2·6H2O in methanol as the solvent at room temperature. Further, 1 was reduced by using aqueous N2H4 as a simple reducing agent, followed by calcination at 300 °C for 3 h, yielding a nitrogen-doped mixed phase cobalt [β-Co(OH)2 and CoO] nanocatalyst (N@MPCoNC). Both 1 and N@MPCoNC were characterized by various physicochemical techniques. Moreover, 1 was authenticated by single-crystal X-ray diffraction studies. The hybrid N@MPCoNC reveals a unique electronic and morphological structure, offering a low overpotential of 390 mV for a stable current density of 10 mA cm-2 with high durability. This N@MPCoNC showed excellent electrocatalytic as well as photocatalytic activity for oxygen evolution reaction compared to 1.
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Yu M, Li G, Fu C, Liu E, Manna K, Budiyanto E, Yang Q, Felser C, Tüysüz H. Tunable
e
g
Orbital Occupancy in Heusler Compounds for Oxygen Evolution Reaction**. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202013610] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Mingquan Yu
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Guowei Li
- Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straβe 40 01187 Dresden Germany
| | - Chenguang Fu
- Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straβe 40 01187 Dresden Germany
| | - Enke Liu
- Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straβe 40 01187 Dresden Germany
- Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Kaustuv Manna
- Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straβe 40 01187 Dresden Germany
- Department of Physics Indian Institute of Technology Delhi New Delhi 110016 India
| | - Eko Budiyanto
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Qun Yang
- Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straβe 40 01187 Dresden Germany
| | - Claudia Felser
- Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straβe 40 01187 Dresden Germany
| | - Harun Tüysüz
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
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26
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Badreldin A, Abusrafa AE, Abdel‐Wahab A. Oxygen-Deficient Cobalt-Based Oxides for Electrocatalytic Water Splitting. CHEMSUSCHEM 2021; 14:10-32. [PMID: 33053253 PMCID: PMC7839495 DOI: 10.1002/cssc.202002002] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/01/2020] [Indexed: 05/14/2023]
Abstract
An apparent increased interest has been recently devoted towards the previously untrodden path for anionic point defect engineering of electrocatalytic surfaces. The role of vacancy engineering in improving photo- and electrocatalytic activities of transition metal oxides (TMOs) has been widely reported. In particular, oxygen vacancy modulation on electrocatalysts of cobalt-based TMOs has seen a fresh spike of research work due to the substantial improvements they have shown towards oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Oxygen vacancy engineering is an effective scheme to quintessentially tune the electronic structure and charge transport, generate secondary active surface phases, and modify the surface adsorption/desorption behavior of reaction intermediates during water splitting. Based on contemporary efforts for inducing oxygen vacancies in a variety of cobalt oxide types, this work addresses facile and environmentally benign synthesis strategies, characterization techniques, and detailed insight into the intrinsic mechanistic modulation of electrocatalysts. It is our foresight that appropriate utilization of the principles discussed herein will aid researchers in rationally designing novel materials that can outperform noble metal-based electrocatalysts. Ultimately, future electrocatalysis implementation for selective seawater splitting is believed to depend on regulating the surface chemistry of active and stable TMOs.
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Affiliation(s)
- Ahmed Badreldin
- Chemical Engineering ProgramTexas A&M University at QatarP.O. Box23874DohaQatar
| | - Aya E. Abusrafa
- Chemical Engineering ProgramTexas A&M University at QatarP.O. Box23874DohaQatar
| | - Ahmed Abdel‐Wahab
- Chemical Engineering ProgramTexas A&M University at QatarP.O. Box23874DohaQatar
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Yu M, Moon G, Castillo RG, DeBeer S, Weidenthaler C, Tüysüz H. Dual Role of Silver Moieties Coupled with Ordered Mesoporous Cobalt Oxide towards Electrocatalytic Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2020; 59:16544-16552. [PMID: 32537829 PMCID: PMC7540465 DOI: 10.1002/anie.202003801] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Indexed: 11/11/2022]
Abstract
Herein, we show that the performance of mesostructured cobalt oxide electrocatalyst for oxygen evolution reaction (OER) can be significantly enhanced by coupling of silver species. Various analysis techniques including pair distribution function and Rietveld refinement, X-ray absorption spectroscopy at synchrotron as well as advanced electron microscopy revealed that silver exists as metallic Ag particles and well-dispersed Ag2 O nanoclusters within the mesostructure. The benefits of this synergy are twofold for OER: highly conductive metallic Ag improves the charge transfer ability of the electrocatalysts while ultra-small Ag2 O clusters provide the centers that can uptake Fe impurities from KOH electrolyte and boost the catalytic efficiency of Co-Ag oxides. The current density of mesostructured Co3 O4 at 1.7 VRHE is increased from 102 to 211 mA cm-2 with incorporation of silver spices. This work presents the dual role of silver moieties and demonstrates a simple method to increase the OER activity of Co3 O4 .
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Affiliation(s)
- Mingquan Yu
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Gun‐hee Moon
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Rebeca G. Castillo
- Max Planck Institute for Chemical Energy ConversionStiftstrasse 34–3645470Mülheim an der RuhrGermany
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy ConversionStiftstrasse 34–3645470Mülheim an der RuhrGermany
| | - Claudia Weidenthaler
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Harun Tüysüz
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
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28
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Cai J, Zhou M, Xu X, Du X. Stable boron and cobalt co-doped TiO 2 nanotubes anode for efficient degradation of organic pollutants. JOURNAL OF HAZARDOUS MATERIALS 2020; 396:122723. [PMID: 32344364 DOI: 10.1016/j.jhazmat.2020.122723] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 06/11/2023]
Abstract
Anode materials are crucial to anodic oxidation for wastewater treatment. In this regard, stable boron and cobalt co-doped TiO2 nanotube (B, Co-TNT) was prepared for the first time, and its lifetime was found increased significantly while electrocatalytic activity decreased with the increase of Co(NO3)2 in preparation from 1 to 10 mM. Characterized by scanning electron microscope (SEM), X-Ray Diffraction (XRD) and X-ray Photo-electronic Spectroscopy (XPS), B and Co content were optimized and successfully doped on TNT, which was more smooth without ripple with Co content of 0.038 mg/cm2 in a valence of +2, and B atomic content of 2.17 at.% in form of Ti-B-O. This optimized anode enhanced electrode lifetime 122.8 times while the electrochemical activity decreased slightly when compared to the undoped TNT. The effects of current density, initial pH and initial 2,4-dichlorophenoxyacetic acid (2,4-D) concentration were investigated, and the mainly responsible radical for degradation was confirmed to be the surface OH on B, Co-TNT anode. This anode had better performance on the TOC removal, mineralization current density (MCE) and energy consumption (Ec) when compared with BDD, PbO2, DSA and Pt anodes, and it also presented a very stable degradation for 10 cycles oxidation of 20 mg/L 2,4-D with allowable Co leaching. Therefore, B, Co-TNT anode is a promising, stable, safety and cost-effective anode for application in electrochemical advanced oxidation processes (EAOPs).
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Affiliation(s)
- Jingju Cai
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Urban Ecology Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Minghua Zhou
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Urban Ecology Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Xin Xu
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Urban Ecology Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Xuedong Du
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin 300350, China; Tianjin Key Laboratory of Urban Ecology Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
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29
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Yu M, Moon G, Castillo RG, DeBeer S, Weidenthaler C, Tüysüz H. Dual Role of Silver Moieties Coupled with Ordered Mesoporous Cobalt Oxide towards Electrocatalytic Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Mingquan Yu
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Gun‐hee Moon
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Rebeca G. Castillo
- Max Planck Institute for Chemical Energy Conversion Stiftstrasse 34–36 45470 Mülheim an der Ruhr Germany
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion Stiftstrasse 34–36 45470 Mülheim an der Ruhr Germany
| | - Claudia Weidenthaler
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Harun Tüysüz
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
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30
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Arafat Y, Azhar MR, Zhong Y, Xu X, Tadé MO, Shao Z. A Porous Nano-Micro-Composite as a High-Performance Bi-Functional Air Electrode with Remarkable Stability for Rechargeable Zinc-Air Batteries. NANO-MICRO LETTERS 2020; 12:130. [PMID: 34138109 PMCID: PMC7770687 DOI: 10.1007/s40820-020-00468-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 05/21/2020] [Indexed: 05/24/2023]
Abstract
The development of bi-functional electrocatalyst with high catalytic activity and stable performance for both oxygen evolution/reduction reactions (OER/ORR) in aqueous alkaline solution is key to realize practical application of zinc-air batteries (ZABs). In this study, we reported a new porous nano-micro-composite as a bi-functional electrocatalyst for ZABs, devised by the in situ growth of metal-organic framework (MOF) nanocrystals onto the micrometer-sized Ba0.5Sr0.5Co0.8Fe0.2O3 (BSCF) perovskite oxide. Upon carbonization, MOF was converted to porous nitrogen-doped carbon nanocages and ultrafine cobalt oxides and CoN4 nanoparticles dispersing inside the carbon nanocages, which further anchored on the surface of BSCF oxide. We homogeneously dispersed BSCF perovskite particles in the surfactant; subsequently, ZIF-67 nanocrystals were grown onto the BSCF particles. In this way, leaching of metallic or organic species in MOFs and the aggregation of BSCF were effectively suppressed, thus maximizing the number of active sites for improving OER. The BSCF in turn acted as catalyst to promote the graphitization of carbon during pyrolysis, as well as to optimize the transition metal-to-carbon ratio, thus enhancing the ORR catalytic activity. A ZAB fabricated from such air electrode showed outstanding performance with a potential gap of only 0.83 V at 5 mA cm-2 for OER/ORR. Notably, no obvious performance degradation was observed for the continuous charge-discharge operation for 1800 cycles over an extended period of 300 h.
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Affiliation(s)
- Yasir Arafat
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6845, Australia
| | - Muhammad Rizwan Azhar
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6845, Australia
- School of Engineering, Edith Cowan University, Perth, WA, 6027, Australia
| | - Yijun Zhong
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6845, Australia
| | - Xiaomin Xu
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6845, Australia
| | - Moses O Tadé
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6845, Australia
| | - Zongping Shao
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6845, Australia.
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, Jiangsu, People's Republic of China.
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31
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Jochen Block Prize: J. von Langermann / DECHEMA Prize: H. Tüysüz / State Natural Science Award: Q.‐L. Zhou. Angew Chem Int Ed Engl 2020; 59:7989. [DOI: 10.1002/anie.202004111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Jochen‐Block‐Preis:J. von Langermann / DECHEMA‐Preis: H. Tüysüz / Nationaler Wissenschaftspreis:Q.‐L. Zhou. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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33
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Chakraborty B, Kalra S, Beltrán‐Suito R, Das C, Hellmann T, Menezes PW, Driess M. A Low-Temperature Molecular Precursor Approach to Copper-Based Nano-Sized Digenite Mineral for Efficient Electrocatalytic Oxygen Evolution Reaction. Chem Asian J 2020; 15:852-859. [PMID: 32011083 PMCID: PMC7155036 DOI: 10.1002/asia.202000022] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 01/30/2020] [Indexed: 12/14/2022]
Abstract
In the urge of designing noble metal-free and sustainable electrocatalysts for oxygen evolution reaction (OER), herein, a mineral Digenite Cu9 S5 has been prepared from a molecular copper(I) precursor, [{(PyHS)2 CuI (PyHS)}2 ](OTf)2 (1), and utilized as an anode material in electrocatalytic OER for the first time. A hot injection of 1 yielded a pure phase and highly crystalline Cu9 S5 , which was then electrophoretically deposited (EPD) on a highly conducting nickel foam (NF) substrate. When assessed as an electrode for OER, the Cu9 S5 /NF displayed an overpotential of merely 298±3 mV at a current density of 10 mA cm-2 in alkaline media. The overpotential recorded here supersedes the value obtained for the best reported Cu-based as well as the benchmark precious-metal-based RuO2 and IrO2 electrocatalysts. In addition, the choronoamperometric OER indicated the superior stability of Cu9 S5 /NF, rendering its suitability as the sustainable anode material for practical feasibility. The excellent catalytic activity of Cu9 S5 can be attributed to the formation of a crystalline CuO overlayer on the conductive Cu9 S5 that behaves as active species to facilitate OER. This study delivers a distinct molecular precursor approach to produce highly active copper-based catalysts that could be used as an efficient and durable OER electro(pre)catalysts relying on non-precious metals.
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Affiliation(s)
- Biswarup Chakraborty
- Department of Chemistry Metalorganics and Inorganic MaterialsTechnische Universität BerlinStraße des 17 Juni 135, Sekr. C210623BerlinGermany
| | - Shweta Kalra
- Department of Chemistry Metalorganics and Inorganic MaterialsTechnische Universität BerlinStraße des 17 Juni 135, Sekr. C210623BerlinGermany
| | - Rodrigo Beltrán‐Suito
- Department of Chemistry Metalorganics and Inorganic MaterialsTechnische Universität BerlinStraße des 17 Juni 135, Sekr. C210623BerlinGermany
| | - Chittaranjan Das
- Karlsruhe Institute of Technology (KIT)Institute for Applied Materials (IAM-ESS)Hermann-von-Helmholtz-Platz 1D-76344Eggenstein-LeopoldshafenGermany
| | - Tim Hellmann
- Surface Science Division Department of Materials ScienceTechnical University DarmstadtOtto-Berndt-Str. 364287DarmstadtGermany
| | - Prashanth W. Menezes
- Department of Chemistry Metalorganics and Inorganic MaterialsTechnische Universität BerlinStraße des 17 Juni 135, Sekr. C210623BerlinGermany
| | - Matthias Driess
- Department of Chemistry Metalorganics and Inorganic MaterialsTechnische Universität BerlinStraße des 17 Juni 135, Sekr. C210623BerlinGermany
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34
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Yu M, Waag F, Chan CK, Weidenthaler C, Barcikowski S, Tüysüz H. Laser Fragmentation-Induced Defect-Rich Cobalt Oxide Nanoparticles for Electrochemical Oxygen Evolution Reaction. CHEMSUSCHEM 2020; 13:520-528. [PMID: 31756030 PMCID: PMC7028056 DOI: 10.1002/cssc.201903186] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Indexed: 05/05/2023]
Abstract
Sub-5 nm cobalt oxide nanoparticles are produced in a flowing water system by pulsed laser fragmentation in liquid (PLFL). Particle fragmentation from 8 nm to 4 nm occurs and is attributed to the oxidation process in water where oxidative species are present and the local temperature is rapidly elevated under laser irradiation. Significantly higher surface area, crystal phase transformation, and formation of structural defects (Co2+ defects and oxygen vacancies) through the PLFL process are evidenced by detailed structural characterizations by nitrogen physisorption, electron microscopy, synchrotron X-ray diffraction, and X-ray photoelectron spectroscopy. When employed as electrocatalysts for the oxygen evolution reaction under alkaline conditions, the fragmented cobalt oxides exhibit superior catalytic activity over pristine and nanocast cobalt oxides, delivering a current density of 10 mA cm-2 at 369 mV and a Tafel slope of 46 mV dec-1 , which is attributed to a larger exposed active surface area, the formation of defects, and an increased charge transfer rate. The study provides an effective approach to engineering cobalt oxide nanostructures in a flowing water system, which shows great potential for sustainable production of active cobalt catalysts.
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Affiliation(s)
- Mingquan Yu
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Friedrich Waag
- Center for Nanointegration Duisburg-Essen (CENIDE)University of Duisburg-EssenDuisburg47057Germany
- Institute of Technical Chemistry IUniversity of Duisburg-EssenEssen45141Germany
| | - Candace K. Chan
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
- Materials Science and EngineeringSchool for Engineering of Matter, Transport and EnergyArizona State UniversityTempeArizona85287USA
| | - Claudia Weidenthaler
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Stephan Barcikowski
- Center for Nanointegration Duisburg-Essen (CENIDE)University of Duisburg-EssenDuisburg47057Germany
- Institute of Technical Chemistry IUniversity of Duisburg-EssenEssen45141Germany
| | - Harun Tüysüz
- Department of Heterogeneous CatalysisMax-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
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35
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Sliozberg K, Aniskevich Y, Kayran U, Masa J, Schuhmann W. CoFe–OH Double Hydroxide Films Electrodeposited on Ni-Foam as Electrocatalyst for the Oxygen Evolution Reaction. Z PHYS CHEM 2020. [DOI: 10.1515/zpch-2019-1466] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Cobalt-iron double hydroxide (CoFe–OH) films were electrochemically deposited on 3D Ni foam electrodes for the oxygen evolution reaction (OER). The dependence of the OER activity on film composition and thickness was evaluated, which revealed an optimal Fe:Co ratio of about 1:2.33. The composition of the catalyst film was observed to vary with film thickness. The electrodeposition parameters were carefully controlled to yield microstructured Ni-foam decorated with CoFe–OH films of controlled thickness and composition. The most active electrode exhibited an overpotential as low as 360 mV OER at an industrial scale current density of 400 mA cm−2 that remained stable for at least 320 h. This work contributes towards the fabrication of practical electrodes with the focus on the development of stable electrodes for electrocatalytic oxygen evolution at high current densities.
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Affiliation(s)
- Kirill Sliozberg
- Analytical Chemistry – Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr University Bochum , Universitätsstrasse 150, D-44780 Bochum , Germany
| | - Yauhen Aniskevich
- Analytical Chemistry – Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr University Bochum , Universitätsstrasse 150, D-44780 Bochum , Germany
| | - Ugur Kayran
- Analytical Chemistry – Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr University Bochum , Universitätsstrasse 150, D-44780 Bochum , Germany
| | - Justus Masa
- Analytical Chemistry – Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr University Bochum , Universitätsstrasse 150, D-44780 Bochum , Germany
| | - Wolfgang Schuhmann
- Analytical Chemistry – Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr University Bochum , Universitätsstrasse 150, D-44780 Bochum , Germany
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36
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Zou H, Tian D, Lv C, Wu S, Lu G, Guo Y, Liu Y, Yu Y, Ding K. The synergistic effect of Co/Ni in ultrathin metal–organic framework nanosheets for the prominent optimization of non-enzymatic electrochemical glucose detection. J Mater Chem B 2020; 8:1008-1016. [DOI: 10.1039/c9tb02382h] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Co–Ni ultrathin metal organic framework nanosheets exhibited extremely high sensitivity, wide linear range, low detection limit and excellent selectivity as a glucose sensing electrode material.
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Affiliation(s)
- Haihan Zou
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Dongyan Tian
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Chao Lv
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Songmei Wu
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Guanxuan Lu
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Yifan Guo
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Yubin Liu
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Yu Yu
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
| | - Kejian Ding
- School of Sciences
- Beijing Jiaotong University
- Beijing
- P. R. China
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37
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Bucci A, Mondal SS, Martin-Diaconescu V, Shafir A, Lloret-Fillol J. Cobalt Amide Imidate Imidazolate Frameworks as Highly Active Oxygen Evolution Model Materials. ACS APPLIED ENERGY MATERIALS 2019; 2:8930-8938. [PMID: 31894205 PMCID: PMC6931241 DOI: 10.1021/acsaem.9b01977] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 11/19/2019] [Indexed: 06/10/2023]
Abstract
Two imidazolate-based Co-MOFs, IFP-5 and IFP-8 (imidazolate framework Potsdam), with a different peripheral group -R (-Me and -OMe, respectively) have been synthesized by a solvothermal method and tested toward the oxygen evolution reaction (OER). Remarkably, IFP-8 presents much lower overpotentials (319 mV at 10 mA/cm2 and 490 mV at 500 mA/cm2) than IFP-5 toward OER, as confirmed by online gas chromatography measurements (Faradaic yield of O2 > 99%). Moreover, the system is extraordinarily stable during 120 h, even when used as a catalyst toward the overall water splitting reaction without any sign of fatigue. An integrated ex situ spectroscopic study, based on powder X-ray diffraction, extended X-ray absorption fine structure, and attenuated total reflection, allows the identification of the active species and the factors that determine the catalytic activity. Indeed, it was found that the performances are highly affected by the nature of the -R group, because this small change strongly influences the conversion of the initial metal organic framework to the active species. As a consequence, the remarkable activity of IFP-8 can be ascribed to the formation of Co(O)OH phase with a particle size of a few nanometers (3-10 nm) during the electrocatalytic oxygen evolution.
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Affiliation(s)
- Alberto Bucci
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute
of Science and Technology, Avinguda Països Catalans, 16, 43007 Tarragona, Spain
| | - Suvendu Sekhar Mondal
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute
of Science and Technology, Avinguda Països Catalans, 16, 43007 Tarragona, Spain
| | - Vlad Martin-Diaconescu
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute
of Science and Technology, Avinguda Països Catalans, 16, 43007 Tarragona, Spain
| | - Alexandr Shafir
- Institute
of Advanced Chemistry of Catalonia IQAC−CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Julio Lloret-Fillol
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute
of Science and Technology, Avinguda Països Catalans, 16, 43007 Tarragona, Spain
- Catalan
Institution for Research and Advanced Studies (ICREA), Lluïs Companys, 23, 08010 Barcelona, Spain
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38
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Self-repairing hybrid nanosheet anode catalysts for alkaline water electrolysis connected with fluctuating renewable energy. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134812] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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39
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Wang X, Ouyang T, Wang L, Zhong J, Ma T, Liu Z. Redox‐Inert Fe
3+
Ions in Octahedral Sites of Co‐Fe Spinel Oxides with Enhanced Oxygen Catalytic Activity for Rechargeable Zinc–Air Batteries. Angew Chem Int Ed Engl 2019; 58:13291-13296. [DOI: 10.1002/anie.201907595] [Citation(s) in RCA: 262] [Impact Index Per Article: 52.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Xiao‐Tong Wang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Ting Ouyang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Ling Wang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Jia‐Huan Zhong
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Tianyi Ma
- Discipline of ChemistryUniversity of Newcastle Newcastle NSW 2308 Australia
| | - Zhao‐Qing Liu
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
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40
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Wang X, Ouyang T, Wang L, Zhong J, Ma T, Liu Z. Redox‐Inert Fe3+Ions in Octahedral Sites of Co‐Fe Spinel Oxides with Enhanced Oxygen Catalytic Activity for Rechargeable Zinc–Air Batteries. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907595] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xiao‐Tong Wang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Ting Ouyang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Ling Wang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Jia‐Huan Zhong
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
| | - Tianyi Ma
- Discipline of ChemistryUniversity of Newcastle Newcastle NSW 2308 Australia
| | - Zhao‐Qing Liu
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and MaterialsGuangzhou University, Guangzhou Higher Education Mega Center Guangzhou No. 230 Wai Huan Xi Road 510006 P. R. China
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