Preparation and ionic conductivity of new B2S3-Li2S-LiI glasses

Glasses obtained in the B2S3-Li2S-LiI system have been investigated. Ionic conductivity is higher than 10−3Ω−1cm−1 at 25°C for LiI-rich glasses. The electrochemical stability range and chemical stability allow their use as solid electrolytes in solid state batteries.