Tin-based and silicon-based cathode material has obtained the massive research for their high gravitational and volumetric capacity. The main disadvantage of these two materials is the large volume expansion-contraction that takes place during lithium allying-dealloyingprocess, which caused exfoliation and poor cycleability. Up to now, the main methods to resolve this problem concentrates in: 1) nano- material; 2) alloying with other materials; 3) adding someone inactive or active material as the structure ...
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