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Issue 1, 2015
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Nickel oxide encapsulated nitrogen-rich carbon hollow spheres with multiporosity for high-performance pseudocapacitors having extremely robust cycle life

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Abstract

We report nickel oxide encapsulated nitrogen-rich carbon hollow spheres with multiporosity, where micropores increase the number of active sites to store redox ions and mesopores enhance the ionic diffusivity of encapsulated nickel oxide, which lead to high capacitance and robust cycle life. Moreover, a high-performance full capacitor showing excellent energy and power densities is realized.

Graphical abstract: Nickel oxide encapsulated nitrogen-rich carbon hollow spheres with multiporosity for high-performance pseudocapacitors having extremely robust cycle life

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Supplementary files

Article information


Submitted
12 Sep 2014
Accepted
07 Oct 2014
First published
08 Oct 2014

Energy Environ. Sci., 2015,8, 188-194
Article type
Communication

Nickel oxide encapsulated nitrogen-rich carbon hollow spheres with multiporosity for high-performance pseudocapacitors having extremely robust cycle life

S. Y. Kim, H. M. Jeong, J. H. Kwon, I. W. Ock, W. H. Suh, G. D. Stucky and J. K. Kang, Energy Environ. Sci., 2015, 8, 188 DOI: 10.1039/C4EE02897J

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