Si@Graphene composite anode with high capacity and energy density by fluidized chemical vapor deposition

Hongmei Song,Xinyue Zhang,Junxiang Ye,Yin Yang,Dong Sun,Chenggen Xu,Rundan Lin,Xilu Zhang,Menglin Zhang, Simeng Li,Jinsen Gao,Jun Xu,Xinlong Ma,Yongfeng Li

Chemical Engineering Science（2023）

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摘要

•Graphene coated Si NPs are prepared by the fluidized chemical vapor deposition.•Scalable fluidization technique overcomes inferior uniformity of carbon coating.•Excellent cycling performance with high specific capacity is achieved.•The LFP//Si@G/graphite full cells possess high energy density of 302 Wh kg−1.

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关键词

Fluidized chemical vapor deposition, Si@graphene, Anode behavior, Volume expansion, Lithium-ion batteries

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