Graphene-Encapsulated Si on Ultrathin-Graphite Foam as Anode for High Capacity Lithium-Ion Batteries

• Published in: Advanced materials (Weinheim) Vol. 25; no. 33; pp. 4673 - 4677
• Main Authors: Ji, Junyi, Ji, Hengxing, Zhang, Li Li, Zhao, Xin, Bai, Xin, Fan, Xiaobin, Zhang, Fengbao, Ruoff, Rodney S.
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 06.09.2013; WILEY‐VCH Verlag
• Subjects: Anodes; conductive network; Foams; Graphene; lithium ion battery; Lithium-ion batteries; Networks; Silicon; Stability; Three dimensional; three-dimensional electrode; ultrathin-graphite foam; conductive network; lithium ion battery; three-dimensional electrode; Si; ultrathin-graphite foam

A Si/graphene composite is drop‐casted on an ultrathin‐graphite foam (UGF) with three dimensional conductive network. The Si/graphene/UGF composite presents excellent stability and relatively high overall capacity when tested as an anode for rechargeable lithium ion batteries.