Novel highly porous Sn–C composite as high performance anode material for lithium-ion batteries
作者： G. Wang , Y.Q. Ma , Z.Y. Liu , J.N. Wu
DOI: 10.1016/J.ELECTACTA.2012.01.066
关键词:
摘要: Abstract In this work, highly porous Sn–C (HPSC) composite was synthesized by a simple carbothermal reduction method followed subsequent removal of template. The crystalline structure and morphology the as-prepared samples were characterized X-ray diffraction (XRD), scanning electron microscopy (SEM) transmission (TEM). HPSC composite, sphere-like tin particles with wide size distribution (100–300 nm) dispersed in carbon matrix Sn/C weight ratio is about 50/45. electrochemical properties as an advanced anode material for high performance lithium-ion batteries investigated galvanostatic cyclic voltammetry. delivers specific capacity good cycle 535 mA h g −1 even after 60 cycles. Moreover, also exhibit excellent rate performance. possible reasons why has such outstanding are discussed also.
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