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Lithium‐Ion Batteries
The effect of silicon particle size on its physical, chemical, and mechanochemical behaviors has been benchmarked via multiple lab‐ and synchrotron‐based characterizations. The significant differences caused by particle size in the composition transition, structure transition, particle pulverization, electrode expansion, and surface chemistry, are strongly related to their electrochemical...
High‐capacity silicon has been regarded as one of the most promising anodes for high‐energy lithium‐ion batteries. However, it suffers from severe volume expansion, particle pulverization, and repeated solid electrolyte interphase (SEI) growth, which leads to rapid electrochemical failure, while the particle size also plays key role here and its effects remain elusive. In this paper, through multiple‐physical,...