Issue 10, 2013
From the journal:

Nanoscale

Manganese oxide micro-supercapacitors with ultra-high areal capacitance†

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

* Corresponding authors

a School of Materials Science and Engineering, Nanyang Technological University, Singapore
E-mail: pslee@ntu.edu.sg

b Department of Materials Science and Engineering and the NUANCE center, Northwestern University, 2220 Campus Drive, Evanston, IL 60208, USA
E-mail: v-dravid@northwestern.edu

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.

Graphical abstract: Manganese oxide micro-supercapacitors with ultra-high areal capacitance

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Article information

DOI
https://doi.org/10.1039/C3NR00210A
Article type
Communication
Submitted
11 Jan 2013
Accepted
18 Mar 2013
First published
21 Mar 2013

Nanoscale, 2013,5, 4119-4122

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Manganese oxide micro-supercapacitors with ultra-high areal capacitance

X. Wang, B. D. Myers, J. Yan, G. Shekhawat, V. Dravid and P. S. Lee, Nanoscale, 2013, 5, 4119 DOI: 10.1039/C3NR00210A

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