A Highly Elastic Polysiloxane-Based Polymer Electrolyte for All-Solid-state Lithium Metal Batteries

An elastic electrolyte with a Tg = −51 °C, an ionic conductivity of 4.8 × 10−5 S cm−1, and a transference number of 0.53 showed a high initial capacity of 134 mA h g−1 and 75% capacity retention after 150 cycles at 0.1 mA cm−2 at 60 °C in a full cell.