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US 11,309,581 B2Granted
Stabilized solid garnet electrolyte and methods thereof
AssigneeCorning Incorporated
InventorsMichael Edward Badding, Xinyuan Liu, Yanxia Ann Lu
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Abstract
An air stable solid garnet composition, comprising: a bulk composition and a surface protonated composition on at least a portion of the bulk composition as defined herein, and the protonated surface composition is present on at least a portion of the exterior surface of the bulk composition at a thickness of from 0.1 to 10,000 nm. Also disclosed is a composite electrolyte structure, and methods of making and using the composition and the composite electrolyte structure.
Claims11
A solid garnet electrolyte membrane, comprising:
- a bulk composition comprising a lithium garnet chosen from Li7La3Zr2O12 (LLZO) and doped LLZO compositions;
- and
- a surface composition comprising a protonated garnet on at least a portion of the exterior surface of the lithium garnet,
- wherein:
- the surface protonated portion of the garnet is compositionally stable in air and insensitive to carbon dioxide, and
- the protonated garnet on at least a portion of the exterior surface of the lithium garnet comprises a layer having a thickness of from 0.1 to 100 nm.
3 more elements
Dependencies are inferred from the claim text.