Shungite-derived graphene as a carbon support for bifunctional oxygen electrocatalysts

Nargiz Kazimova,Kefeng Ping,Mahboob Alam,Mati Danilson,Maido Merisalu,Jaan Aruväli,Päärn Paiste,Maike Käärik,Valdek Mikli,Jaan Leis,Kaido Tammeveski,Pavel Starkov,Nadezda Kongi

Journal of Catalysis（2021）

引用 14|浏览7

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摘要

•Shungite was purified with a mixture of HF and HNO3 to remove excess metals.•Shungite was doped with DCDA or melamine as nitrogen source and Fe and/or Co.•Doping with N, Co and Fe generates the most efficient bifunctional electrocatalyst.

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关键词

Shungite,Carbon support,Bifunctional electrocatalyst,Nitrogen doping,Renewable energy,ORR,OER

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