Improved electrochemical properties of tavorite LiFeSO4F by surface coating with hydrophilic poly-dopamine via a self-polymerization process

Zhendong Guo; Dong Zhang; Hailong Qiu; Yanming Ju; Tong Zhang; Lijie Zhang; Yuan Meng; Yingjin Wei; Gang Chen

doi:10.1039/C5RA24488A

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Improved electrochemical properties of tavorite LiFeSO₄F by surface coating with hydrophilic poly-dopamine via a self-polymerization process†

Zhendong Guo,^a Dong Zhang,*^a Hailong Qiu,^a Yanming Ju,^a Tong Zhang,^a Lijie Zhang,^a Yuan Meng,^a Yingjin Wei*^a and Gang Chen^ab

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* Corresponding authors

^a Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, P. R. China
E-mail: yjwei@jlu.edu.cn, dongzhang@jlu.edu.cn

^b State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, P. R. China

Abstract

Poly-dopamine coated Li_1−xFeSO₄F is prepared via a self-polymerization process. The material shows larger discharge capacities, better rate capability and longer cycle stability than the pristine LiFeSO₄F. The improved electrochemical properties are attributed to the highly hydrophilic and elastic properties of poly-dopamine.

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Article information

DOI: https://doi.org/10.1039/C5RA24488A
Article type: Communication
Submitted: 19 Nov 2015
Accepted: 07 Jan 2016
First published: 12 Jan 2016

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RSC Adv., 2016,6, 6523-6527

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Improved electrochemical properties of tavorite LiFeSO₄F by surface coating with hydrophilic poly-dopamine via a self-polymerization process

Z. Guo, D. Zhang, H. Qiu, Y. Ju, T. Zhang, L. Zhang, Y. Meng, Y. Wei and G. Chen, RSC Adv., 2016, 6, 6523 DOI: 10.1039/C5RA24488A

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