Perovskite KNi0.8Co0.2F3 nanocrystals for supercapacitors

Rui Ding; Xudong Li; Wei Shi; Qilei Xu; Xiuli Han; Yong Zhou; Weifeng Hong; Enhui Liu

doi:10.1039/C7TA05209J

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Perovskite KNi_0.8Co_0.2F₃ nanocrystals for supercapacitors†

Rui Ding,

*^a Xudong Li,^a Wei Shi,^a Qilei Xu,^a Xiuli Han,^a Yong Zhou,^a Weifeng Hong^a and Enhui Liu^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University (XTU), Xiangtan, Hunan, P. R. China
E-mail: drm8122@xtu.edu.cn, drm8122@163.com

Abstract

Perovskite KNi_0.8Co_0.2F₃ nanocrystals were introduced as potential electrode materials for supercapacitors, which exhibited superior specific capacity and rate behavior owing to the optimal synergistic effect of Ni and Co redox species. The AC//KNi_0.8Co_0.2F₃ asymmetric capacitor delivered high power and energy densities together with excellent cycling stability.

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Article information

DOI: https://doi.org/10.1039/C7TA05209J
Article type: Communication
Submitted: 15 Jun 2017
Accepted: 02 Aug 2017
First published: 02 Aug 2017

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J. Mater. Chem. A, 2017,5, 17822-17827

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Perovskite KNi_0.8Co_0.2F₃ nanocrystals for supercapacitors

R. Ding, X. Li, W. Shi, Q. Xu, X. Han, Y. Zhou, W. Hong and E. Liu, J. Mater. Chem. A, 2017, 5, 17822 DOI: 10.1039/C7TA05209J

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Journal of Materials Chemistry A