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US 12,074,282 B2Granted
Lithium-garnet solid electrolyte composite, tape articles, and methods thereof
AssigneesCorning Incorporated, Shanghai Institute of Ceramic Chinese Academy of Sciences
InventorsMichael Edward Badding, Yinghong Chen, Xiao Huang, Cai Liu, Xinyuan Liu, Yanxia Ann Lu, Zhen Song, Zhaoyin Wen, Tongping Xiu, Nathan Michael Zink
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Abstract
A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.
Claims20
A composite ceramic comprising:
- a lithium garnet major phase;
- and
- a grain growth inhibitor minor phase positioned between grains of the lithium garnet major phase, wherein the grain growth inhibitor minor phase is present from 3 wt % to 9 wt % based on a total weight of the composite ceramic, and the lithium garnet major phase has a cubic garnet crystal structure.
Dependencies are inferred from the claim text.