This review summarizes sodium rare earth silicate's high ionic conductivity and addresses interfacial issues for solid electrolytes.
Key Points
Na5 RESi4 O12 exhibits high ionic conductivity of 10−3 S cm−1 at room temperature, crucial for effective solid electrolytes.
The synthesis of sodium rare earth silicate occurs at relatively low temperatures of 900−1100 °C, making it a versatile material.
Addressing interfacial issues is essential for the stable operation of all-solid-state sodium batteries, highlighting significant engineering challenges.
The review aims to advance the understanding of sodium rare earth silicate solid electrolytes for the development of high-performance batteries.