ORR/OER activity and zinc-air battery performance of various kinds of graphene-based air catalysts
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AbstractThe development of cheap and efficient oxygen reduction and evolution reaction catalysts are important, which not only push the electrochemical energy systems including water electrolyzers, metal-air batteries, and fuel cells nearer to their theoretical limits but also become the substitute for the expensive noble metal catalysts (Pt/C, IrO2 or RuO2 and Pt-Ru/C). In this review, the recently reported potential graphene-based air catalysts such as graphene with non-metals, non-noble metals, metal oxides, nitrides, sulfides, carbides, and other carbon composites are identified in-light-of-their high oxygen reduction reaction/oxygen evolution reaction activity and zinc-air battery performance for the development of high energy density metal-air batteries. Further, the recent progress on the zinc-air batteries including the strategies used to improve the high cycling-performance (stable even up-to 394 cycles), capacity (even up-to 873 mAh g−1), power density (even up-to 350 mW cm−2), and energy density (even up-to 904 W h kg−1) are reviewed. The scientific and engineering knowledge acquired on zinc-air batteries provide conceivable development for practical application in near future.
CitationJamesh, M.-I., Moni, P., Prakash, A. S., & Harb, M. (2021). ORR/OER activity and zinc-air battery performance of various kinds of graphene-based air catalysts. Materials Science for Energy Technologies, 4, 1–22. doi:10.1016/j.mset.2020.12.001
SponsorsOne of the authors (Dr. M.I.J) thanks to the Science and Engineering Research Board (SERB), Department of Science and Technology, Government of India, for funding under National Post-Doctoral Fellowship scheme with the reference no. PDF/2017/000015. One of the authors, Dr. Prabu Moni grateful to the Department of Science and Technology (DST), New Delhi, India for awarding INSPIRE Faculty Award (DST/INSPIRE/04/2016/000530). One of the authors, Dr. MOUSSAB Harb thanks to the King Abdullah University of Science and Technology (KAUST).
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