期刊
CHEMSUSCHEM
卷 6, 期 5, 页码 898-904出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201200970
关键词
conducting materials; graphite oxide; lithium-ion batteries; reduction; tin
资金
- Council of Scientific and Industrial Research (CSIR), India under the TAPSUN
- Ministry of New and Renewable Energy (MNRE), India
- Department of Science and Technology (DST), India for an INSPIRE faculty award
The electrochemical performance of reduced graphite oxide (RGO) anchored with nano Sn particles, which are synthesized by a reduction method, is presented. The Sn nanoparticles are uniformly distributed on the surface of the RGO matrix and the size of the particles is approximately 510nm. The uniform distribution effectively accommodates the volume expansion experienced by Sn particles during cycling. The observed electrochemical performance (97% capacity retention) can be ascribed to the flexible RGO matrix with uniform distribution of Sn particles, which reduces the lithium-ion diffusion path lengths; therefore, the RGO matrix provides more stability to the Sn particles during cycling. Such studies on Sn nanoparticles anchored on RGO matrices have not been reported to date.
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