LITHIUM ION CONDUCTIVE MATERIAL AND METHOD FOR PRODUCING THE SAME

The present invention relates to a lithium ion conductive material, preferably a lithium ion conductive glass ceramic, said material comprising a garnet-type crystalline phase content and an amorphous phase content, wherein said material havinga sintering temperature of 1000°C or lower, preferably 950°C or lower and an ion conductivity of at least 1*10-5 S/cm, preferably at least 2*10-5 S/cm, preferably at least 5*10-5 S/cm, preferably at least 1*10-4 S/cm,and wherein said amorphous phase content comprises boron and/or a composition comprising boron.