期刊
COMPOSITES PART B-ENGINEERING
卷 242, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2022.110094
关键词
Vanadium redox flow battery; Carbon materials; Electrocatalyst; Catalytic mechanism; Electrochemical activity
资金
- National Natural Science Foundation of China [51872090, 51772097]
- Hebei Natural Science Fund for Distinguished Young Scholar [E2019209433]
- Youth Talent Program of Hebei Provincial Education Department [BJ2018020]
- Natural Science Foundation of Hebei Province [E2020209151]
- Science and Technology Project of Hebei Education Department [SLRC2019028]
This paper reviews the latest progress of carbon-based materials as VRFB electrocatalysts, discusses the modification methods, catalytic mechanism, and electrochemical performance of different carbon-based electrocatalysts, and summarizes their applications and challenges in VRFB.
Vanadium redox flow battery (VRFB) has the advantages of long life, high energy efficiency, safety, and environmental protection, so it has become an excellent energy storage system today. Electrode provides place for redox reactions, which has a significant impact on the performance of VRFB. At present, carbon materials are the most popular electrode materials for VRFB. However, original carbon materials have some problems such as poor electrochemical activity and hydrophilic properties, so they need to be properly modified before use. The introduction of carbon-based catalysts is an excellent way to improve electrode performance. In this paper, the latest progress of carbon-based materials as VRFB electrocatalysts was reviewed, including fullerenes, carbon dots, carbon nanotubes, carbon nanofibers, graphene, biomass carbon, carbon-carbon composite, and other carbon materials. At the same time, modification methods, catalytic mechanism, and electrochemical performance of different carbon-based electrocatalysts were discussed. Finally, applications and challenges of carbonbased materials in VRFB was summarized, and some suggestions for the future development of carbon-based catalysts were put forward.
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