An all-electrochem-active silicon anode enabled by spontaneous Li–Si alloying for ultra-high performance solid-state batteries

作者：Zhiyong Zhang, Zhefei Sun, Xiang Han, Yan Liu, Shanpeng Pei, Yahui Li, Linshan Luo, Pengfei Su, Chaofei Lan, Ziqi Zhang, Shaowen Xu, Shengshi Guo, Wei Huang, Songyan Chen, Ming‐Sheng Wang · 发表于：Energy & Environmental Science · 年份：2023 · DOI：10.1039/d3ee03877g · 被引用次数：97 · 研究领域：Advancements in Battery Materials、Advanced Battery Materials and Technologies、Supercapacitor Materials and Fabrication

An all-electrochem-active Si/Li 21 Si 5 anode was designed, in which the Li 21 Si 5 served as efficient ionic/electronic channel and expansion buffer. It achieved an ultra-high ICE of 97.8% and a low expansion rate of 18.8% at a capacity of 17.9 mA h cm −2 .