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Issue 6, 2013
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Ordered mesoporous nickel cobaltite spinel with ultra-high supercapacitance

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Abstract

Mesoporous nickel cobaltite supercapacitor electrodes with ultra-high capacitance were developed by simultaneously tailoring electrode conductivity, pore size dispersion, and crystallinity. High active mass loading (>10 mg cm−2) enables the feasibility for such electrodes being used in practical devices. At a current density of 28.6 A g−1 (equivalent to 10 kW kg−1 power density), the best performance of 8.2 F cm−2 was achieved. The principles illustrated as the motivation of the current work are believed to be able to serve as guidelines for designing future high-performance electrodes.

Graphical abstract: Ordered mesoporous nickel cobaltite spinel with ultra-high supercapacitance

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Submitted
31 Oct 2012
Accepted
06 Dec 2012
First published
06 Dec 2012

J. Mater. Chem. A, 2013,1, 2331-2336
Article type
Paper

Ordered mesoporous nickel cobaltite spinel with ultra-high supercapacitance

Q. Lu, Y. Chen, W. Li, J. G. Chen, J. Q. Xiao and F. Jiao, J. Mater. Chem. A, 2013, 1, 2331
DOI: 10.1039/C2TA00921H

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