Stress Mitigation of Nanosilicon Anode to Achieve Energy‐Dense and Highly‐Stable Full Cell
Li Cao,
Min Zheng,
Guochen Dong
et al.
Abstract:Nanosilicon (nano‐Si) anode is subjected to significant stress concentration, which is caused by extrusion deformation of expanded Si nanoparticles with uneven distribution. The low‐strength binder and adhesive interface are unable to withstand the stress, resulting in exfoliation and impeding the use of nano‐Si anodes. This work aims to mitigate stress in a Si anode with flexible copper (Cu) skeletons that are metallurgically bonded to uniformly distributed Si nanoparticles. It is worth noting that the propos… Show more
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