Synthesis of a MnO 2-graphene foam hybrid with controlled MnO 2 particle shape and its use as a supercapacitor electrode

Xiaochen Dong, Xuewan Wang, Jing Wang, Hao Song, Xingao Li, Lianhui Wang, Mary B. Chan-Park, Chang Ming Li, Peng Chen

科研成果: 期刊稿件文章同行评审

232 引用 (Scopus)

摘要

A simple approach was developed to synthesize the three-dimensional (3D) hybrid of manganese dioxide (MnO 2) and graphene foam. The morphology of the MnO 2 nanostructures can be readily controlled by the solution acidity. Furthermore, we demonstrate that, serving as a free-standing supercapacitor electrode, this novel three-dimensional hybrid gives a remarkable specific capacitance (560 F/g at the current density of 0.2 A/g) and excellent cycling stability.

源语言英语
页(从-至)4865-4870
页数6
期刊Carbon
50
13
DOI
出版状态已出版 - 11月 2012
已对外发布

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