KAIST team extends cycle life of silicon anodes with molecular pulley polyrotaxane in binder

Green Car Congress
By mmillikinJul 21, 2017, 5:00 am295 pts
Silicon anodes can deliver 3~5-times higher capacities compared with current graphite anodes in lithium-ion batteries. However, their volume expands enormously during each charge-discharge cycle, leading to fractures of the electrode particles or delamination of the electrode film, both resulting in rapid…

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