Yi Cui1 2

1, Stanford University, Stanford, California, United States
2, SLAC National Lab, Menlo Park, California, United States

New generation of battery materials are accompanied by large volume and structure change and instability of interphase. Nanoscale materials design represents a new powerful paradigm shift and offers new solutions to address these challenges. Here I will present our recent progress on: 1) Nanoscale design of host and interface for Li metal anodes; 2) Discovery of sulfur cathode phase behavior, leading to new guidance to materials design; 3) The first successful example of cryogenic electron microcopy applied to battery materials research, leading atomic scale resolution of Li metal dendrite and solid electrolyte interphase.