Asymmetric Supercapacitors Based on Graphene/MnO2 Nanospheres and Graphene/MoO3 Nanosheets with High Energy Density

Chang, Jian; Jin, Meihua; Yao, Fei; Hyung Kim, Tae; Thong Le, Viet; Yue, Hongyan; Güneş, Fethullah; Li, Bing; Ghosh, Arunabha; Xie, Sishen; Hee Lee, Young

doi:10.1002/adfm201301851

Public

Asymmetric Supercapacitors Based on Graphene/MnO2 Nanospheres and Graphene/MoO3 Nanosheets with High Energy Density

Shared by NobleBlocks on Aug 30, 2013 • 12:00 AM UTC

Authors:

Jian Chang

Meihua Jin

Fei Yao

Abstract

Asymmetric supercapacitors with high energy density are fabricated using a self‐assembled reduced graphene oxide (RGO)/MnO 2 (GrMnO 2 ) composite as a positive electrode and a RGO/MoO 3 (GrMoO 3 ) composite as a negative electrode in safe aqueous Na 2 SO 4 electrolyte. The operation voltage is maxim...

Subject

Materials science

Supercapacitor

Graphene

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