1
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Zhang J, Xu C, Zhang Y, Li Y, Liu B, Huo P, Liu D, Gui J. Structural and compositional analysis of MOF-derived carbon nanomaterials for the oxygen reduction reaction. Chem Commun (Camb) 2024; 60:2572-2590. [PMID: 38329277 DOI: 10.1039/d3cc05653h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
The development of low-cost and efficient cathode catalysts is crucial for the advancement of fuel cells, as the oxygen reduction reaction (ORR) on the cathode is constrained by expensive commercial Pt/C catalysts and a significant energy barrier. Metal-organic frameworks (MOFs) are considered excellent precursors for synthesizing carbon nanomaterials due to their simple synthesis, rich structure and composition. MOF-derived carbon nanomaterials (MDCNM) inherit the morphology of their precursors at low dimensional scales, providing abundant edge defects, larger specific surface area, and excellent electron transport paths. Furthermore, the rich composition of MOFs enables the carbon nanomaterials derived from them to exhibit various physicochemical properties, including stronger electron gaining ability, oxygen affinity, and a higher degree of graphitization, resulting in excellent ORR activity. However, a more detailed analysis is necessary to understand the advantages and mechanisms of MDCNM in the field of the ORR. This review classifies and summarizes the structure and different chemical compositions of MDCNM in low dimensions, and provides an in-depth analysis of the reasons for their improved ORR activity. Additionally, the recent practical applications of MDCNM as cathode material in fuel cells are introduced and analyzed in detail, with a focus on the enhanced electrochemical performance.
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Affiliation(s)
- Jinjie Zhang
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Chengxiao Xu
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Yingjie Zhang
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Yuzheng Li
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Bo Liu
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Peipei Huo
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Dan Liu
- Tianjin Key Laboratory of Green Chemical Technology and Process Engineering, School of Chemistry, Tiangong University, Binshui West Road 399, Tianjin 300387, China
| | - Jianzhou Gui
- State Key Laboratory of Separation Membranes and Membrane Processes, and School of Material Science and Engineering, Tiangong University, Binshui West Road 399, Tianjin 300387, China.
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2
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Dias GDS, Costa JM, Almeida Neto AFD. Transition metal chalcogenides carbon-based as bifunctional cathode electrocatalysts for rechargeable zinc-air battery: An updated review. Adv Colloid Interface Sci 2023; 315:102891. [PMID: 37058836 DOI: 10.1016/j.cis.2023.102891] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/13/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023]
Abstract
The rechargeable alkaline aqueous zinc-air batteries (ZABs) are prospective candidates to supply the energy demand for their high theoretical energy density, inherent safety, and environmental friendliness. However, their practical application is mainly restricted by the unsatisfactory efficiency of the air electrode, leading to an intense search for high-efficient oxygen electrocatalysts. In recent years, the composites of carbon materials and transition metal chalcogenides (TMC/C) have emerged as promising alternatives because of the unique properties of these single compounds and the synergistic effect between them. In this sense, this review presented the electrochemical properties of these composites and their effects on the ZAB performance. The operational fundamentals of the ZABs were described. After elucidating the role of the carbon matrix in the hybrid material, the latest developments in the ZAB performance of the monometallic structure and spinel of TMC/C were detailed. In addition, we report topics on doping and heterostructure due to the large number of studies involving these specific defects. Finally, a critical conclusion and a brief overview sought to contribute to the advancement of TMC/C in the ZABs.
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Affiliation(s)
- Giancarlo de Souza Dias
- Laboratory of Electrochemical Processes and Anticorrosion, Department of Product and Process Design, School of Chemical Engineering, University of Campinas (UNICAMP), Albert Einstein Av., 500, 13083-852 Campinas, São Paulo, Brazil
| | - Josiel Martins Costa
- School of Food Engineering (FEA), University of Campinas (UNICAMP), Monteiro Lobato St., 80, 13083-862 Campinas, São Paulo, Brazil.
| | - Ambrósio Florêncio de Almeida Neto
- Laboratory of Electrochemical Processes and Anticorrosion, Department of Product and Process Design, School of Chemical Engineering, University of Campinas (UNICAMP), Albert Einstein Av., 500, 13083-852 Campinas, São Paulo, Brazil
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3
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Chen X, Guo J, Liu J, Luo Z, Zhang X, Qian D, Sun-Waterhouse D, Waterhouse GIN. Nanostructure Engineering and Electronic Modulation of a PtNi Alloy Catalyst for Enhanced Oxygen Reduction Electrocatalysis in Zinc-Air Batteries. J Phys Chem Lett 2023; 14:1740-1747. [PMID: 36758156 DOI: 10.1021/acs.jpclett.2c03835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
PtNi nanoalloys have demonstrated electrocatalysis superior to that of benchmark Pt/C catalysts for the oxygen reduction reaction (ORR), yet the underlying mechanisms remain underexplored. Herein, a PtNi/NC catalyst comprising PtNi nanoparticles (∼5.2 nm in size) dispersed on N-doped carbon frameworks was prepared using a simple pyrolysis strategy. Benefiting from the individual components and a hierarchical structure, the PtNi/NC catalyst exhibited outstanding ORR activity and stability (E1/2 = 0.82 V vs RHE and 8 mV negative shift after 20000 cycles), outperforming a commercial 20 wt % Pt/C catalyst (E1/2 = 0.81 V and 32 mV negative shift). A prototype zinc-air battery constructed using PtNi/NC as the air electrode catalyst achieved highly enhanced electrochemical performance, outperforming a battery constructed using Pt/C as the ORR catalyst. Density functional theory calculations revealed that the improved ORR activity of the PtNi nanoalloys originated from charge redistribution with a suitable metal d-band center to promote the formation of the ORR intermediates.
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Affiliation(s)
- Xiangxiong Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- Yoening Tianci Mining Changsha Technology Center, Changsha 410083, China
| | - Jiangnan Guo
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Jinlong Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- School of Chemical Sciences, The University of Auckland, Auckland 1142, New Zealand
| | - Ziyu Luo
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Xinxin Zhang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Dong Qian
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | | | - Geoffrey I N Waterhouse
- School of Chemical Sciences, The University of Auckland, Auckland 1142, New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand
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4
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Gopalakrishnan M, Etesami M, Theerthagiri J, Choi MY, Wannapaiboon S, Nguyen MT, Yonezawa T, Kheawhom S. Tailoring the MOF structure via ligand optimization afforded a dandelion flower like CoS/Co-N x/CoNi/NiS catalyst to enhance the ORR/OER in zinc-air batteries. NANOSCALE 2022; 14:17908-17920. [PMID: 36468656 DOI: 10.1039/d2nr04933c] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Due to their affordability and good catalytic activity for oxygen reactions, MOF-derived carbon composites containing metal alloys have piqued interest. However, during synthesis, MOFs have the disadvantage of causing significant carbon evaporation, resulting in a reduction of active sites and durability. This study proposes tailoring the molecular structure of MOFs by optimizing bipyridine and flexible 4-aminodiacetic terephthalic acid ligands, which have numerous coordination modes and framework structures, resulting in fascinating architectures. MOF frameworks having optimized N and O units are coordinated with Co and Ni ions to provide MOF precursors that are annealed at 700 °C in argon. The MOF-derived Co9S8/Co-Nx/CoNi/Ni3S2@CNS-4 catalyst exhibits excellent catalytic activity, revealing an ORR half-wave potential of 0.86 V and an overpotential (OER) of 196 mV at 10 mA cm-2, a potential gap of 0.72 V and a Tafel slope of 79 mV dec-1. The proposed strategy allows for the rational design of N-coordinated Co and CoNi alloys attached to ultrathin N, S co-doped graphitic carbon sheets to enhance bifunctional activity and sufficient active sites. Consequently, the zinc-air battery using the synthesized catalyst shows a high peak power density of 206.9 mW cm-2 (Pt/C + RuO2 116.1 mW cm-2), a small polarization voltage of 0.96 V after 370 h at 10 mA cm-2, and an outstanding durability of over 2400 cycles (400 h). The key contributions to the superior performance are the synergetic effects of the CoNi alloys plus the N,S-incorporated carbon skeleton, due to the small charge transfer resistances and enhanced active sites of CoNi, metal-S, and pyridinic N.
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Affiliation(s)
- Mohan Gopalakrishnan
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Mohamad Etesami
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Jayaraman Theerthagiri
- Core-Facility Center for Photochemistry & Nanomaterials, Department of Chemistry (BK21 FOUR), Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Myong Yong Choi
- Core-Facility Center for Photochemistry & Nanomaterials, Department of Chemistry (BK21 FOUR), Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Suttipong Wannapaiboon
- Synchrotron Light Research Institute, 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand
| | - Mai Thanh Nguyen
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Hokkaido 060-8628, Japan
| | - Tetsu Yonezawa
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Hokkaido 060-8628, Japan
| | - Soorathep Kheawhom
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand.
- Bio-Circular-Green-economy Technology & Engineering Center (BCGeTEC), Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence on Advanced Materials for Energy Storage, Chulalongkorn University, Bangkok 10330, Thailand
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5
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Bimetallic metal–organic framework derived Mn, N co-doped Co-Carbon for electrochemical detection of nitrite. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01735-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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6
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Tang J, Zeng Z, Liang H, Wang Z, Nong W, Yang Z, Qi C, Qiao Z, Li Y, Wang C. Simultaneously Enhancing Catalytic Performance and Increasing Density of Bifunctional CuN 3 Active Sites in Dopant-Free 2D C 3N 3Cu for Oxygen Reduction/Evolution Reactions. ACS OMEGA 2022; 7:19794-19803. [PMID: 35722000 PMCID: PMC9202037 DOI: 10.1021/acsomega.2c01562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Atomically dispersed M-N-C has been considered an effective catalyst for various electrochemical reactions such as oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), which faces the challenge of increasing metal load while simultaneously maintaining catalytic performance. Herein, we put forward a strategy for boosting catalytic performances of a single Cu atom coordinated with three N atoms (CuN3) for both ORR and OER by increasing the density of connected CuN3 moieties. Our calculations first show that a single CuN3 moiety exhibiting no catalytic performance for ORR and OER can be activated by increasing the density of metal centers, which weakens the binding affinity to *OH due to the lowered d-band center of the metal atoms. These findings stimulate the further theoretical design of a two-dimensional compound of C3N3Cu with a high concentration of homogeneously distributed CuN3 moieties serving as bifunctional active sites, which demonstrates efficient catalytic performance for both ORR and OER as reflected by the overpotentials of 0.71 and 0.43 V, respectively. This work opens a new avenue for designing effective single-atom catalysts with potential applications as energy storage and conversion devices possessing high density of metal centers independent of the doping strategy and defect engineering, which deserves experimental investigation in the future.
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Affiliation(s)
- Jinzhi Tang
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Zhihao Zeng
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Haikuan Liang
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Zhihao Wang
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Wei Nong
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Zhen Yang
- Zhejiang
Key Laboratory of Alternative Technologies for Fine Chemicals Process,
College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, People’s Republic
of China
| | - Chenze Qi
- Zhejiang
Key Laboratory of Alternative Technologies for Fine Chemicals Process,
College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, People’s Republic
of China
| | - Zhengping Qiao
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Yan Li
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
| | - Chengxin Wang
- State
Key Laboratory of Optoelectronic Materials and Technologies, School
of Materials Science and Engineering, Sun
Yat-sen (Zhongshan) University, Guangzhou 510275, People’s Republic of China
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7
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Xie J, Dong C, Li J, Guo M, Zhao Y, Kang L, Gao W, Lei F, Tang B. Acceleration of the pre-oxidation process by tuning the degree of sulfurization for promoted oxygen evolution reaction. Chem Commun (Camb) 2022; 58:6360-6363. [PMID: 35543095 DOI: 10.1039/d2cc01480g] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, Co-based nanocatalysts with variable degrees of sulfurization (DoS) were fabricated for the oxygen evolution reaction (OER). The partially sulfurized catalyst with a medium DoS could exhibit a promoted pre-oxidation process, leading to a highly efficient and ultrastable OER performance.
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Affiliation(s)
- Junfeng Xie
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Changgang Dong
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Jiechen Li
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Min Guo
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Ying Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Luyao Kang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Wen Gao
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Fengcai Lei
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, Shandong, 250014, P. R. China.
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8
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Xie X, Sun P, Liu W, Gong T, Lv X, Fang L, Wei Y, Sun X. Novel Fe 2.55Sb 2 alloy nanoparticles incorporated in N-doped carbon as a bifunctional oxygen electrocatalyst for rechargeable Zn–air batteries. NEW J CHEM 2022. [DOI: 10.1039/d2nj01697d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel Fe2.55Sb2 alloy nanoparticles are incorporated in N-doped carbon as bifunctional oxygen electrocatalyst for rechargeable Zn-air battery.
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Affiliation(s)
- Xing Xie
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Panpan Sun
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
- Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China
| | - Weitao Liu
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Tao Gong
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Xiaowei Lv
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
- Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China
| | - Liang Fang
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, Guilin University of Technology, Guilin 541004, China
| | - Yongan Wei
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Xiaohua Sun
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
- Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China
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9
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Coordination regulated pyrolysis synthesis of ultrafine FeNi/(FeNi) 9S 8 nanoclusters/nitrogen, sulfur-codoped graphitic carbon nanosheets as efficient bifunctional oxygen electrocatalysts. J Colloid Interface Sci 2021; 610:573-582. [PMID: 34863548 DOI: 10.1016/j.jcis.2021.11.101] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 01/01/2023]
Abstract
Design of advanced carbon nanomaterials with high-efficiency oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) activities is still imperative yet challenging for searching green and renewable energies. Herein, we synthesized ultrafine FeNi/(FeNi)9S8 nanoclusters encapsulated in nitrogen, sulfur-codoped graphitic carbon nanosheets (FeNi/(FeNi)9S8/N,S-CNS) by coordination regulated pyrolyzing the mixture of the metal precursors, dithizone and g-C3N4 at 800 °C. The as-prepared FeNi/(FeNi)9S8/N,S-CNS exhibited distinct electrocatalytic activity and stability for the ORR with positive onset (Eonset) and half-wave (E1/2) potentials (Eonset = 0.97 V; E1/2 = 0.86 V) and OER with the small overpotential (η = 283 mV) at 10 mA cm-2 in the alkaline media, outperforming commercial Pt/C and RuO2 catalysts. This research provides some constructive guidelines for preparing efficient, low-cost and stable nanocatalysts for electrochemical energy devices.
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10
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Sheng K, Yi Q, Chen AL, Wang Y, Yan Y, Nie H, Zhou X. CoNi Nanoparticles Supported on N-Doped Bifunctional Hollow Carbon Composites as High-Performance ORR/OER Catalysts for Rechargeable Zn-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2021; 13:45394-45405. [PMID: 34519493 DOI: 10.1021/acsami.1c10671] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Searching for high-quality air electrode catalysts is the long-term goal for the practical application of Zn-air batteries. Here, a series of coexistent composite materials (CoNi/NHCS-TUC-x) of cobalt-nickel supported on nitrogen-doped hollow spherical carbon and tubular carbon are obtained using a simple pyrolysis strategy. Co and Ni in the composites are mainly present in the form of alloy nanoparticles, M-Nx and M-Cx (M = Co or Ni) species, with high oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) electroactivity. The materials containing different proportions of spherical carbon and tubular carbon obtained by simply adjusting the raw materials for generating tubular carbon exhibit interesting bifunctional performance: samples with an abundant tubular content have the highest ORR onset potential (0.91 V vs reversible hydrogen electrode), while those with a rich spherical content have the highest ORR current density (5.13 mA·cm-2). Furthermore, CoNi/NHCS-TUC-3 provides the lowest potential difference (ΔE = Ej=10 - E1/2) of 0.806 V. We then test the potential possibility of CoNi/NHCS-TUC-3 as an air electrode for primary and rechargeable Zn-air batteries. The primary battery delivers an open-circuit potential of 1.59 V, a peak power density of 361.8 mA·cm-2, and a specific capacity of 756.5 mA h·gZn-1. The rechargeable battery could be cycled stably for more than 55 h at 10 mA·cm-2. These characteristics make CoNi/NHCS-TUC-3 a superior electrocatalyst for both the ORR and OER, as well as a suitable bifunctional electrode applied to a rechargeable Zn-air battery.
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Affiliation(s)
- Kuang Sheng
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
| | - Qingfeng Yi
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
- Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Xiangtan 411201, China
| | - A-Ling Chen
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
| | - Yuebing Wang
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
| | - Yuhui Yan
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
| | - Huidong Nie
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
| | - Xiulin Zhou
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
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11
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Liu M, Xiao X, Li Q, Luo L, Ding M, Zhang B, Li Y, Zou J, Jiang B. Recent progress of electrocatalysts for oxygen reduction in fuel cells. J Colloid Interface Sci 2021; 607:791-815. [PMID: 34536936 DOI: 10.1016/j.jcis.2021.09.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 12/11/2022]
Abstract
Oxygen reduction reaction (ORR) has gradually been in the limelight in recent years because of its great application potential for fuel cells and rechargeable metal-air batteries. Therefore, significant issues are increasingly focused on developing effective and economical ORR electrocatalysts. This review begins with the reaction mechanisms and theoretical calculations of ORR in acidic and alkaline media. The latest reports and challenges in ORR electrocatalysis are traced. Most importantly, the latest advances in the development of ORR electrocatalysts are presented in detail, including platinum group metal (PGM), transition metal, and carbon-based electrocatalysts with various nanostructures. Furthermore, the development prospects and challenges of ORR electrocatalysts are speculated and discussed. These insights would help to formulate the design guidelines for highly-active ORR electrocatalysts and affect future research to obtain new knowledge for ORR mechanisms.
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Affiliation(s)
- Mingyang Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China; College of Materials Science and Chemical Engineering, Harbin Engineering University, China
| | - Xudong Xiao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Qi Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Laiyu Luo
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Minghui Ding
- College of Materials Science and Chemical Engineering, Harbin Engineering University, China.
| | - Bin Zhang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, China; Institute of Petroleum Chemistry Heilongjiang Academy of Sciences, China
| | - Yuxin Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
| | - Jinlong Zou
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
| | - Baojiang Jiang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
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12
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Jia H, Shang N, Chen J, Yang Q, Su M, Li M, Zhang Y. Facile synthesis of N-doped carbon nanoframes encapsulated by CoP nanoparticles for hydrogen evolution reaction. J Colloid Interface Sci 2021; 601:338-345. [PMID: 34087594 DOI: 10.1016/j.jcis.2021.05.139] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/23/2021] [Indexed: 12/12/2022]
Abstract
Development of high-performance, economic, and stable non-noble metal catalysts is a still formidable challenge in hydrogen evolution reaction (HER) that must be overcome to alleviate the energy and environmental crisis. Herein, we designed and fabricated N-doped carbon nanoframes encapsulated by CoP nanoparticles (CoP-NCN). The 3D porous structure of the ZIF-67-derived N-doped carbon shortened the charge and mass transport pathways, contributing to enhanced electrocatalytic performance. Moreover, the synergistic effects of excellent conductivity, abundant mesopores, and high-activity CoP nanoparticles led to remarkable electrocatalytic activity toward HER with an extremely low overpotential of 120 mV at 10 mA cm-2 and long-term stability. We further indicate that the fantastic HER catalytic ability of CoP-NCN is attributed to the good conductivity and the abundant active sites. The present study provides a promising avenue toward the design of cost-effective HER electrocatalysts.
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Affiliation(s)
- Huixian Jia
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China
| | - Ningzhao Shang
- College of Science, Hebei Agricultural University, Baoding 071001, PR China
| | - Jiaxuan Chen
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China
| | - Qi Yang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China
| | - Ming Su
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China
| | - Mian Li
- National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China
| | - Yufan Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China.
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13
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Zhang W, Ge CY, Jin L, Yoon S, Kim W, Xu GR, Jang H. Nickel nanoparticles incorporated Co, N co-doped carbon polyhedron derived from core-shell ZIF-8@ZIF-67 for electrochemical sensing of nitrite. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115163] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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14
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Zhao CX, Liu JN, Wang J, Ren D, Li BQ, Zhang Q. Recent advances of noble-metal-free bifunctional oxygen reduction and evolution electrocatalysts. Chem Soc Rev 2021; 50:7745-7778. [DOI: 10.1039/d1cs00135c] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bifunctional oxygen reduction and evolution constitute the core processes for sustainable energy storage. The advances on noble-metal-free bifunctional oxygen electrocatalysts are reviewed.
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Affiliation(s)
- Chang-Xin Zhao
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Jia-Ning Liu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Juan Wang
- Advanced Research Institute of Multidisciplinary Science
- Beijing Institute of Technology
- Beijing 100081
- China
- School of Materials Science and Engineering
| | - Ding Ren
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Bo-Quan Li
- Advanced Research Institute of Multidisciplinary Science
- Beijing Institute of Technology
- Beijing 100081
- China
- School of Materials Science and Engineering
| | - Qiang Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
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15
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Liu H, Yao Z, Liu Y, Diao Y, Hu G, Zhang Q, Li Z. In situ synthesis of nitrogen site activated cobalt sulfide@N, S dual-doped carbon composite for a high-performance asymmetric supercapacitor. J Colloid Interface Sci 2020; 585:30-42. [PMID: 33279704 DOI: 10.1016/j.jcis.2020.11.068] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 11/09/2020] [Accepted: 11/18/2020] [Indexed: 10/22/2022]
Abstract
Cobalt sulfides with high theoretical capacity are considered as potential electrodes for supercapacitors (SCs). However, the insufficient reactive sites and low electrical conductivity of bulky cobalt sulfides restrict their applications. Here, we proposed an efficient approach for in situ formation of nitrogen site activated cobalt sulfide@N, S dual-doped carbon composite (CS@NSC) by vulcanizing the cobalt-glutamine complex (CG) precursor in a tube furnace. The effects of the molecular structure and calcination temperature of CG precursors on the morphology, structure and electrochemical performance of CS@NSC were studied. The designed CS@NSC-2 exhibited a specific capacity of 593 C g-1 at the current density of 1 A g-1 and good cyclic stability with 88.7% retention after 2000 cycles. Moreover, an asymmetric supercapacitor (ASC) was fabricated by CS@NSC-2 (positive electrode) and activated carbon (AC) (negative electrode), which delivered ultra-high energy density of 67.8 Wh kg-1 at a power density of 400 W kg-1 and possessed 83.1% capacitance retention after 5000 cycles. The eco-friendly method was also suitable for synthesizing nickel sulfide. This work may provide an innovative horizon for the in situ formation of active sites in electrode materials.
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Affiliation(s)
- Hanmeng Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Zhixia Yao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Yaosheng Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Yongxing Diao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Guangxing Hu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Qifang Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; College of Chemistry, Jilin Normal University, Siping 136000, Jilin, China
| | - Zhuang Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China; University of Science and Technology of China, Hefei 230026, Anhui, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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16
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Karajagi I, Ramya K, Ghosh PC, Sarkar A, Rajalakshmi N. Co-doped carbon materials synthesized with polymeric precursors as bifunctional electrocatalysts. RSC Adv 2020; 10:35966-35978. [PMID: 35517101 PMCID: PMC9056983 DOI: 10.1039/d0ra07100e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 09/19/2020] [Indexed: 12/28/2022] Open
Abstract
The design of stable and high performance metal free bifunctional electrocatalysts is a necessity in alkaline zinc–air batteries for oxygen reduction and evolution reaction. In the present work co-doped carbon materials have been developed from polymeric precursors with abundant active sites to achieve bifunctional activity. A 3-dimensional microporous nitrogen–carbon (NC) and co-doped nitrogen–sulfur–carbon (NSC) and nitrogen–phosphorus–carbon (NPC) were synthesized using poly(2,5-benzimidazole) as an N containing precursor. The obtained sheet like structure shows outstanding ORR and OER performance in alkaline systems with excellent stability compared to Pt/C catalyst. The doped heteroatom in the carbon is expected to have redistributed the charge around heteroatom dopants lowering the ORR potential and modifying the oxygen chemisorption mode thereby weakening the O–O bonding and improving the ORR activity and overall catalytic performance. The bifunctional activity (ΔE = Ej=10 − E1/2) of an air electrode for NPC, NSC, NC and Pt/C is 0.82 V, 0.87 V, 1.06 V and 1.03 V respectively, and the NPC value is smaller than most of the reported metal and non-metal based electrocatalysts. The ORR (from onset potential) and OER (10 mA cm−2) overpotential for NPC, NSC, and NC is (290 mV, 410 mV), (310 mV, 450 mV) and (340 mV, 600 mV) respectively. In the prepared catalyst the NPC exhibited higher ORR and OER activity (NPC > NSC > NC). The doping of P in NPC is found to have a great influence on the microstructure and therefore on the ORR and OER activity. Metal free bifunctional catalysts based on co-doped carbon materials synthesized from polymeric precursors via a simple pyrolysis route with high cyclic stability and low polarization for Zn–air batteries.![]()
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Affiliation(s)
- Imran Karajagi
- Centre for Fuel Cell Technology (CFCT), International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) 2nd Floor, IIT-M Research Park, Block E, 6 Kanagam Road, Taramani Chennai - 600113 India .,Centre for Research in Nanotechnology and Science (CRNTS), Indian Institute of Technology Bombay Powai Mumbai - 400076 India
| | - K Ramya
- Centre for Fuel Cell Technology (CFCT), International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) 2nd Floor, IIT-M Research Park, Block E, 6 Kanagam Road, Taramani Chennai - 600113 India
| | - P C Ghosh
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay Powai Mumbai - 400076 India
| | - A Sarkar
- Department of Chemical Engineering, Indian Institute of Technology Bombay Powai Mumbai - 400076 India
| | - N Rajalakshmi
- Centre for Fuel Cell Technology (CFCT), International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) 2nd Floor, IIT-M Research Park, Block E, 6 Kanagam Road, Taramani Chennai - 600113 India
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17
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Cichocka M, Liang Z, Feng D, Back S, Siahrostami S, Wang X, Samperisi L, Sun Y, Xu H, Hedin N, Zheng H, Zou X, Zhou HC, Huang Z. A Porphyrinic Zirconium Metal-Organic Framework for Oxygen Reduction Reaction: Tailoring the Spacing between Active-Sites through Chain-Based Inorganic Building Units. J Am Chem Soc 2020; 142:15386-15395. [PMID: 32786758 PMCID: PMC7498152 DOI: 10.1021/jacs.0c06329] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Indexed: 01/27/2023]
Abstract
The oxygen reduction reaction (ORR) is central in carbon-neutral energy devices. While platinum group materials have shown high activities for ORR, their practical uses are hampered by concerns over deactivation, slow kinetics, exorbitant cost, and scarce nature reserve. The low cost yet high tunability of metal-organic frameworks (MOFs) provide a unique platform for tailoring their characteristic properties as new electrocatalysts. Herein, we report a new concept of design and present stable Zr-chain-based MOFs as efficient electrocatalysts for ORR. The strategy is based on using Zr-chains to promote high chemical and redox stability and, more importantly, tailor the immobilization and packing of redox active-sites at a density that is ideal to improve the reaction kinetics. The obtained new electrocatalyst, PCN-226, thereby shows high ORR activity. We further demonstrate PCN-226 as a promising electrode material for practical applications in rechargeable Zn-air batteries, with a high peak power density of 133 mW cm-2. Being one of the very few electrocatalytic MOFs for ORR, this work provides a new concept by designing chain-based structures to enrich the diversity of efficient electrocatalysts and MOFs.
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Affiliation(s)
- Magdalena
Ola Cichocka
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
| | - Zuozhong Liang
- Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Dawei Feng
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
| | - Seoin Back
- Department
of Chemical and Biomolecular Engineering, Sogang University, Seoul 04107, Republic of Korea
| | - Samira Siahrostami
- Department
of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N1N4, Canada
| | - Xia Wang
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
| | - Laura Samperisi
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
| | - Yujia Sun
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
| | - Hongyi Xu
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
| | - Niklas Hedin
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
| | - Haoquan Zheng
- Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Xiaodong Zou
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
| | - Hong-Cai Zhou
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
- Department
of Materials Science and Engineering, Texas
A&M University, College
Station, Texas 77843-3003, United States
| | - Zhehao Huang
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-106 91, Sweden
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18
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Yang X, Wu X, Guo Z, Li Q, Wang H, Ke C, Zeng W, Qiu X, He Y, Liang X, Kim Y. Phosphorus/nitrogen co-doped and bimetallic MOF-derived cathode for all-solid-state rechargeable zinc–air batteries. RSC Adv 2020; 10:33327-33333. [PMID: 35515043 PMCID: PMC9056691 DOI: 10.1039/d0ra04827e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 08/30/2020] [Indexed: 12/31/2022] Open
Abstract
The bimetallic FeNi-MOFs are employed to fabricate P–FeNi and N–carbon co-doped bifunctional catalyst. Due to the enhanced catalytic performance, the peak power density of all-solid-state zinc–air battery is 159 mW cm−2.
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