期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 126, 期 -, 页码 197-204出版社
ELSEVIER
DOI: 10.1016/j.jtice.2021.07.021
关键词
Sodium cobalt phosphate; Graphene; Graphite; Structure; Composite; Sodium ion battery
资金
- DST-SERB, New Delhi [EMR/2016/006302]
- Department of Science and Technology (DST) New Delhi
- Ministry of Human Resource Development RUSA-Phase 2.0 grant, Dept. of Education, Govt. of India [Lt.No.F-24-51/2014]
In this study, a novel cathode material was synthesized via ball-milling, utilizing sodium cobalt phosphate and two different carbon structures, graphite and graphene, for Sodium-ion battery. The composite alpha-NaCoPO4/graphene showed higher initial discharge capacity compared to alpha-NaCoPO4/graphite, indicating its potential as a promising cathode for sodium-ion battery applications.
A novel cathode material has been synthesized via ball-milling of sodium cobalt phosphate (alpha-NaCoPO4) with two different carbon structures such as graphite and graphene for Sodium-ion battery. The orthorhombic crystal structure is retained for both composites alpha-NaCoPO4/graphite and alpha-NaCoPO4/graphene without any change even after ball-milling. The flake like morphology and distribution of graphene sheets are recognized from scanning electron microscopy images. The crystal structure of alpha-NaCoPO4 and nature of carbon in the ball-milled composites is determined through transmission electron microscopy. The initial discharge capacities of 41 and 92 mAhg(-1) are noticed for alpha-NaCoPO4/graphite and alpha-NaCoPO4/graphene composites respectively, which dictate that the alpha-NaCoPO4/graphene can be promising cathode for sodium-ion battery. (c) 2021 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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