Achieving high capacity hybrid-cathode FeF3@Li2C6O6/rGO based on morphology control synthesis and interface engineering

Chengyi Lu; Chen Dong; Haitao Wu; Dan Ni; Wang Sun; Zhenhua Wang; Kening Sun

doi:10.1039/C8CC00350E

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Achieving high capacity hybrid-cathode FeF₃@Li₂C₆O₆/rGO based on morphology control synthesis and interface engineering†

Chengyi Lu,^ab Chen Dong,^a Haitao Wu,^a Dan Ni,^a Wang Sun,^a Zhenhua Wang*^ac and Kening Sun

*^ac

Author affiliations

* Corresponding authors

^a Beijing Key Laboratory for Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, BIT-QUB Joint Center on Novel Energy and Materials Research, Beijing Institute of Technology, Beijing, People's Republic of China
E-mail: bitkeningsun@163.com, 04710@bit.edu.cn

^b Shannxi Applied Physics and Chemistry Research Institute, Xi’an, People's Republic of China

^c Collaborative Innovation Center of Electric Vehicles in Beijing, No. 5 Zhongguancun South Avenue, Haidian District, Beijing, People's Republic of China

Abstract

The common high-capacity cathode Li₂C₆O₆ shows poor cycling performance because of its dissolution in electrolytes. Using morphology control, spherical Li₂C₆O₆ was prepared, and then combined with reduced graphene oxide and modified with an FeF₃ coating. This interface engineering inhibited the dissolution of Li₂C₆O₆, and also enhanced its cycling and rate performance.

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Article information

DOI: https://doi.org/10.1039/C8CC00350E
Article type: Communication
Submitted: 15 Jan 2018
Accepted: 05 Mar 2018
First published: 14 Mar 2018

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Chem. Commun., 2018,54, 3235-3238

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Achieving high capacity hybrid-cathode FeF₃@Li₂C₆O₆/rGO based on morphology control synthesis and interface engineering

C. Lu, C. Dong, H. Wu, D. Ni, W. Sun, Z. Wang and K. Sun, Chem. Commun., 2018, 54, 3235 DOI: 10.1039/C8CC00350E

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Chemical Communications