Regulating crystallinity to balance the electrochemical performance of cobalt–tin oxide composite anodes for sodium-ion batteries

Author:

Yang Ying12ORCID,Zhao Ruirui2,Liu Chaofeng2ORCID,Qi Yaping13,Hu Dan1,Si Duanhui4,Chen Yong P.1356

Affiliation:

1. Department of Engineering Science, Faculty of Innovation Engineering, Macau University of Science and Technology, Av. Wai Long, Macao SAR, 999078, China

2. Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China

3. Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai 980-8577, Japan

4. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

5. Department of Physics and Astronomy and Elmore Family School of Electrical and Computer Engineering and Birck Nanotechnology Center and Purdue Quantum Science and Engineering Institute, Purdue University, West Lafayette, IN 47907, USA

6. Institute of Physics and Astronomy and Villum Center for Hybrid, Quantum Materials and Devices Aarhus University, Aarhus-C 8000, Denmark

Abstract

For a cobalt tin oxide composite anode with an amorphous/crystal structure, a disordered structure increases the initial specific capacity and an ordered structure improves capacity retention.

Funder

National Natural Science Foundation of China

China Postdoctoral Science Foundation

Publisher

Royal Society of Chemistry (RSC)

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