期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 166, 期 12, 页码 A2425-A2430出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0271912jes
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资金
- National Nature Science Foundation of China [51502108]
- Foundation of Jilin Province Development and Reform Commission, China [2014N145]
- Graduate Innovation Fund of Jilin University [101832018C176]
- Jilin Engineering Research Center for Biomass Resource Utilization
- National Key Research and Development Program of China [2016YFF0201204]
A SiO2/C composite was obtained by modifying biomass rice husk ash (RHA) with ball milling, followed by mixing with coal tar electrode pitch (CTEP) and pyrolyzing under high temperature. The modified SiO2/C material gained a significant improvement in electrochemical performance, including cycle performance, initial Coulombic efficiency (ICE) and electrical impedance. Meanwhile, it maintained a good reversible specific capacity of 404 mA h g(-1) over 500 cycles at the current density of 0.25 C. Therefore, the modification method provides a potential for offsetting defects and promoting electrochemical performance of biomass-based anode materials of lithium ion batteries (LIBs). (C) 2019 The Electrochemical Society.
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