Abstract: A solid conductor including: a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof Li1+x+y-zTa2-xMxP1-yQyO8-zXz??Formula 1 wherein, in Formula 1, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z?2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1, y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is 2, and iv) M is Hf, X is F, x is 2, y is 0, and z is 2, Li1+x+y-zTa2-xMxP1-yQyO8·zLiX??Formula 2 wherein, in Formula 2, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z?2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1, y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is 2, and iv)

Abstract: A solid conductor including: a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof Li1+x+y-zTa2-xMxP1-yQyO8-zXz??Formula 1 wherein, in Formula 1, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z?2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1, y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is 2, and iv) M is Hf, X is F, x is 2, y is 0, and z is 2, Li1+x+y-zTa2-xMxP1-yQyO8·zLiX??Formula 2 wherein, in Formula 2, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z?2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1, y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z

Abstract: A solid conductor including: a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof Li1+x+y?zTa2?xMxP1?yQyO8?zXz??Formula 1 wherein, in Formula 1, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z?2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1, y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is 2, and iv) M is Hf, X is F, x is 2, y is 0, and z is 2, Li1+x+y?zTa2?xMxP1?yQyO8·zLiX??Formula 2 wherein, in Formula 2, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1, y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is 2, and iv)

Abstract: Solid electrolytes, including lithium-argyrodite solid electrolytes, and electronic devices, such as lithium-ion batteries that include the solid electrolytes. Methods of making solid electrolytes, including methods for making solid electrolytes with varying degrees of lithium deficiency.

Abstract: A solid conductor including: a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof Li1+x+y?zTa2-xMxP1-yQyO8-zXz ??Formula 1 wherein, in Formula 1, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0?x?2, 0?y<1, and 0?z?2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1 , y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is 2, and iv) M is Hf, X is F, x is 2, y is 0, and z is 2, Li1+x+y?zTa2-xMxP1-yQyO8-zLiX ??Formula 2 wherein, in Formula 2, M is an element having an oxidation number of +4, Q is an element having an oxidation number of +4, X is a halogen, a pseudohalogen, or a combination thereof, and 0)(2, 0y<1, and 0z2, except that cases i) x and y and z are simultaneously 0, ii) M is Hf, X is F, x is 1 , y is 0, and z is 1, iii) M is Hf, X is Cl, x is 2, y is 0, and z is