Patent ID: 11916200
Assignee: QUANTUMSCAPE BATTERY, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 0:
1. A method for reducing the number of defects on a single layer sintered lithium-stuffed garnet thin film, the method comprising the following steps in the following order:
providing a single layer sintered lithium-stuffed garnet thin film in a first step;
heating the top and/or bottom surfaces of the sintered lithium-stuffed garnet thin film to 700° C. to 1200° C. for 1 to 10 hours in an inert or reducing atmosphere in a second step;
wherein the inert or reducing atmosphere comprises a member selected from the group consisting of Ar, Ar/H2, N2, or combinations thereof; and
cooling the sintered lithium-stuffed garnet thin film in a third step in the inert or reducing atmosphere;
wherein the single layer sintered lithium-stuffed garnet thin film is not in contact with an unsintered lithium-stuffed garnet thin film.