Manganese oxide micro-supercapacitors with ultra-high areal capacitance

Xu Wang, Benjamin D. Myers, Jian Yan, Gajendra Shekhawat*, Vinayak Dravid, Pooi See Lee

*Corresponding author for this work

Research output: Contribution to journalArticle

79 Scopus citations

Abstract

A symmetric micro-supercapacitor is constructed by electrochemically depositing manganese oxide onto micro-patterned current collectors. High surface-to-volume ratio of manganese oxide and short diffusion distance between electrodes give an ultra-high areal capacitance of 56.3 mF cm-2 at a current density of 27.2 μA cm-2.

Original languageEnglish (US)
Pages (from-to)4119-4122
Number of pages4
JournalNanoscale
Volume5
Issue number10
DOIs
StatePublished - May 21 2013

ASJC Scopus subject areas

  • Materials Science(all)

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