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Li, Yixin, Liu, Li, Liu, Xiaoyang, Feng, Yi, Xue, Beichen, Yu, Liyun, Ma, Lijie, Zhu, Yanchao, Chao, Yimin 
ORCID: https://orcid.org/0000-0002-8488-2690 and Wang, Xiaofeng
(2021)
Extracting lignin-SiO2 composites from Si-rich biomass to prepare Si/C anode materials for lithium ions batteries.
Materials Chemistry and Physics, 262.
ISSN 0254-0584
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Abstract
The comprehensive utilization of Si-rich biomass is restrained by macromolecular lignin and a large amount of ash. In this study, rice husks (RHs) are treated as a representative by alkali extraction and acid precipitation, and the obtained lignin-SiO2 composite is modified by carbonazation, ball milling, magnesiothermic reduction and additives. Through these processes, a Si/C composite with excellent electrochemical properties is obtained and performs stable cycling performance with high specific capacity retention of 572 mA h g−1 at 1 A g−1 after 1000 cycles. This introduced method provides a potential for utilizing Si-rich biomass comprehensively and preparing desirable Si/C anode materials from Si-rich biomass derived lignin-SiO2 composites.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | alkali extraction,lignin-sio composites,si-rich biomass,c anode materials,materials science(all),condensed matter physics ,/dk/atira/pure/subjectarea/asjc/2500 |
| Faculty \ School: | Faculty of Science > School of Chemistry (former - to 2024) |
| UEA Research Groups: | Faculty of Science > Research Groups > Chemistry of Materials and Catalysis Faculty of Science > Research Groups > Energy Materials Laboratory |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 02 Feb 2021 01:02 |
| Last Modified: | 11 Nov 2024 00:54 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/79124 |
| DOI: | 10.1016/j.matchemphys.2021.124331 |
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