A solid electrolyte includes: a crystalline composite, wherein the composite is a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof: Formula 1: 3LiF—M12O3 wherein, in Formula 1, M1 is an element having an oxidation number of +3, or a combination thereof, with the proviso that M1 is not aluminum or yttrium, Formula 2: 3LiF—M2(OH)3 wherein, in Formula 2, M2 is an element having an oxidation number of +3, or a combination thereof, with the proviso that M2 is not aluminum or yttrium, and the crystalline composite as determined by X-ray diffraction using CuKα radiation, has a primary peak at a diffraction angle of about 35°2θ to about 38°°2θ, and secondary peaks at a diffraction angle of about 30°2θ°2θ to about 32°2θ, about 57°2θ to about 60°2θ, and at about 63°2θ to about 65°2θ.
- 출원번호 : 18978747
- 출원인 : Jung, Sungkyun
- 특허번호 :
- IPC : H01M-010/0562(2010.01);H01M-004/38(2006.01);