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Nickel-nitrogen-carbon (Ni-N-C) electrocatalysts toward CO2 electroreduction: Advances, optimizations, challenges and prospects
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  • Qingqing Pang,
  • Xizheng Fan,
  • Kaihang Sun,
  • Kun Xiang,
  • Baojun Li,
  • Shufang Zhao,
  • Young Dok Kim,
  • Qiaoyun Liu,
  • Zhongyi Liu,
  • Zhikun Peng
Qingqing Pang
Zhengzhou University
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Xizheng Fan
Zhengzhou University
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Kaihang Sun
Zhengzhou University
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Kun Xiang
Wuhan Institute of Technology
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Baojun Li
Zhengzhou University
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Shufang Zhao
Sungkyunkwan University
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Young Dok Kim
Sungkyunkwan University
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Qiaoyun Liu
Zhengzhou University
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Zhongyi Liu
Zhengzhou University
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Zhikun Peng
Zhengzhou University

Corresponding Author:[email protected]

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Abstract

Electrocatalytic reduction of CO2 into high energy-density fuels and value-added chemicals under mild conditions can promote the sustainable cycle of carbon and decrease current energy and environmental problems. Constructing electrocatalyst with high activity, selectivity, stability and low cost is really matter to realize industrial application of electrocatalytic CO2 reduction (ECR). Metal-nitrogen-carbon (M-N-C) electrocatalysts, especially Ni-N-C, display excellent performance, such as nearly 100% CO selectivity, high current density, outstanding tolerance, etc., which is considered to possess broad application prospects. Based on the current research status, starting from the mechanism of ECR and the existence form of Ni active species, the latest research progress of Ni-N-C electrocatalysts in CO2 electroreduction is systematically summarized. An overview is emphatically interpreted on the regulatory strategies for activity optimization over Ni-N-C, including N coordination modulation, vacancy defects construction, morphology design, surface modification, heteroatom activation, bimetallic cooperation. Finally, some urgent problems and future prospects on designing Ni-N-C catalyst for ECR are discussed. This review aims to provide the guidance for the design and development of Ni-N-C catalyst with practical application.
31 Oct 2023Submitted to Energy & Environmental Materials
01 Nov 2023Submission Checks Completed
01 Nov 2023Assigned to Editor
01 Nov 2023Review(s) Completed, Editorial Evaluation Pending
06 Nov 2023Reviewer(s) Assigned