Abstract
Metallic tin was deposited in fine particulate form on the surface of carbonaceous mesophase spherules (CMS) and in the pores of porous carbon by the decomposition and reduction of tin(II) 2-ethylhexanoate at 450 °C. The Sn/C composite powders obtained were used as anode materials for lithium ion cells. Electrochemical cycling tests of coin cells show that the dispersion of tin into the carbonaceous materials enhances the reversible capacity of the electrodes. The capacity retention at the 50th cycle is 91 % for Sn/CMS composite containing 22% tin, against 428 mAh g−1 at the first cycle. With further increase in tin content, the capacity fade upon cycling is more rapid.
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Liu, Y., Xie, J., Takeda, Y. et al. Advanced Sn/C composite anodes for lithium ion batteries. Journal of Applied Electrochemistry 32, 687–692 (2002). https://doi.org/10.1023/A:1020124730801
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DOI: https://doi.org/10.1023/A:1020124730801