Journal
MATERIALS LETTERS
Volume 152, Issue -, Pages 256-259Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.03.135
Keywords
Nanocomposites; Energy storage and conversion; Microstructure
Funding
- National Natural Science Foundation of China (NSFC) [51272270, 61327811]
- CAS/SAFEA International Partnership Program for Creative Research Teams
- Chinese Academy of Sciences [KGZD-EW-T06]
- Shanghai Technical Platform for Testing and Characterization on Inorganic Materials [14DZ2292900]
- SICCAS [Y37ZC4140G]
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Carbon coated silicon nanosponges (Si@C NSs) used for anode in lithium ion batteries have been synthesized at a large scale via a templated magnesiothermic route, in which cheap ZnO nanoclusters and non-toxic glucose were employed to serve as sacrificial template and carbon source, respectively. The microstructure of Si@C Ns and its electrochemical performance in lithium ion batteries were investigated in detail. A reversible capacity with little fading after 500 cycles was obtained and the possible reasons for such superiority were discussed. The present results indicate potential application of the as-obtained Si@C NSs in lithium ion batteries. (C) 2015 Elsevier B.V. All rights reserved.
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