Method for preparing a multi-dopant, oxide-based solid electrolyte
AssigneeElectronics and Telecommunications Research Institute
InventorsDong Ok SHIN, Young-Gi LEE, Kwang Man KIM
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Abstract
Provided is a method for preparing a multi-dopant, oxide-based solid electrolyte. The method comprising preparing a mixture including a lithium (Li) compound, a lanthanum (La) compound, and a metal compound, the metal compound including a first metal element represented by M, adding a first precursor including a second metal element and a second precursor including a third metal element to the mixture, and performing a crystallization operation to form a compound represented by LixLa3M2O12 from the mixture having the first precursor and the second precursor mixed therein, wherein the compound is doped with the second and third metal elements.
Claims11
A method for preparing an oxide based solid electrolyte, the method comprising:
- preparing a mixture including a lithium (Li) compound, a lanthanum (La) compound, and a metal compound, the metal compound including a first metal element represented by M;
- adding a first precursor including a second metal element and a second precursor including a third metal element to the mixture;
- and
- performing a crystallization operation to form a compound from the mixture having the first precursor and the second precursor mixed therein,
- wherein the compound is doped with the second and third metal elements and represented by Formula 1,
- LixLa3M2O12 <Formula 1>
- where x is an integer of about 5 to 9 and M is one of tantalum (Ta), niobium (Nb), zirconium (Zr), scandium (Sc), yttrium (Y), and vanadium (V).
Dependencies are inferred from the claim text.