Anion‐Tailored EDL Induced Triple‐Layer SEI on High‐Capacity Anodes Enabling Fast‐Charging and Durable Sodium‐Storage

High-capacity electrodes face a great challenge of cycling stability due to particle fragmentation induced conductive network failure and accompanied by sustained electrolyte decomposition for repeatedly build solid electrolyte interphase (SEI). Herein, Se-solubility induced Se