公开(公告)号：US11370670B2

公开(公告)日：2022-06-28

申请号：US16628631

申请日：2017-07-05

申请人： TOYOTA MOTOR EUROPE

发明人： Yuki Katoh ,  Geoffroy Hautier ,  Anna Miglio

IPC分类号： C01G1/12 ,  C01G17/00 ,  C01G21/00 ,  H01M10/0525 ,  H01M10/0562

摘要： The present invention relates to a compound represented by the general formula Li2+2xM1−xZS4, wherein 0.3≤x≤0.9; wherein M is one or more elements selected from the group consisting of Pb, Mg, Ca, Ge and Sn; and wherein Z is one or more elements selected from the group consisting of Ge, Si, Sn and Al.
The present invention also relates to a method for preparing the material of the present invention, comprising the steps of: (a) providing a mixture of lithium sulfide Li2S, sulfides MS and ZS2, in a stoichiometric ratio ensuring Li2+2xM1−xZS4 to be obtained, wherein M, Z and x are as defined above; (b) pelletizing the mixture prepared in step (a); (c) heating at a maximum plateau temperature. In still another aspect, the present invention relates to a use of the compound of the present invention as a solid electrolyte, in particular in an all solid-state lithium battery.

公开(公告)号：US11063293B2

公开(公告)日：2021-07-13

申请号：US16314266

申请日：2016-10-28

申请人： TOYOTA MOTOR EUROPE

发明人： Yuki Katoh ,  Geoffroy Hautier ,  Anna Miglio

IPC分类号： H01M10/0562 ,  H01M4/485 ,  C01B25/16 ,  C01G23/00 ,  H01M10/052

摘要： A compound represented by the general formula Li(Ti1-xZrx)2(PS4)3, wherein 0.01≤x≤0.25, and found to have high ionic conductivity; a use of the compound as a solid electrolyte, in particular in an all solid-state lithium battery.