Tightly connected MnO 2-graphene with tunable energy density and power density for supercapacitor applications

Chih Yao Chen, Chen Yen Fan, Ming Tsung Lee, Jeng-Kuei Chang*

*Corresponding author for this work

Research output: Contribution to journalArticle

70 Scopus citations

Abstract

MnO 2 nanoparticles uniformly distributed and tightly anchored on graphene are prepared using an ethanol-assisted graphene-sacrifice reduction method, producing composite electrodes with tunable energy density (up to 12.6 Wh kg -1) and power density (up to 171 kW kg -1) via rational design of the oxide/graphene ratio.

Original languageEnglish
Pages (from-to)7697-7700
Number of pages4
JournalJournal of Materials Chemistry
Volume22
Issue number16
DOIs
StatePublished - 28 Apr 2012

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