Composite solid electrolytes face sluggish inter-phase Li+ migration. Here, authors construct a FeF3-based anion-capturing layer onto Li6.5La3Zr1.5Ta0.5O12 nanofillers within PVdF solid electrolyte, where the charge gradient layer on the interface promotes Li+ cross-phase conductivity.
- Jian Lan
- Ying Zhong
- Ya-Ping Deng
