Microscale Si Anode

Fracture-resistant under stack pressure

Stack pressure suppresses lithiation-induced Hoop stress, shifting the fracture size threshold from nano- to microscale, enabling high-capacity Si anodes in all-solid-state batteries.

Menglin, Li · Xue, Dingchuan · Rong, Zhaoyu · Fang, Ruyue · Wang, Bo · Liang, Yali · Zhang, Xuedong · Huang, Qiao · Wang, Zhenyu · Zhu, Lingyun · Zhang, Liqiang · Tang, Yongfu · Zhang, Sulin · Huang, Jianyu

Advanced Functional Materials 2025

Advantages

Size threshold shifts from nanoscale in liquid electrolyte batteries to microscale in all-solid-state batteries