Movie S2.

The behavior of LixSi/Li2O core shell NPs under TEM electron beam for 1 min. The video is played at actual speed.

Metallurgically lithiated SiOx anode with high capacity and ambient air compatibility

Jie Zhao, Hyun-Wook Lee, Jie Sun, Kai Yan, Yayuan Liu, Wei Liu, Zhenda Lu, Dingchang Lin, Guangmin Zhou, and Yi Cui