Garnet materials for Li secondary batteries and methods of making and using garnet materials
First Claim
1. A thin unsintered film, comprisinglithium-stuffed garnet precursor powders or calcined lithium-stuffed garnet powder;
- at least one member selected from the group consisting of a binder, a solvent, a dispersant, and combinations thereof;
wherein the solid loading of the lithium-stuffed garnet precursor powders or the calcined lithium-stuffed garnet powder is at least 65% by volume (v/v); and
wherein the film thickness is less than 100 μ
m; and
wherein the median grain size of the lithium-stuffed garnet precursor powders or the calcined lithium-stuffed garnet powder is between 0.1 μ
m and 10 μ
m.
5 Assignments
0 Petitions
Accused Products
Abstract
Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. The methods set forth herein disclose novel sintering techniques, for solid state energy storage devices and the components thereof.
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Citations
15 Claims
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1. A thin unsintered film, comprising
lithium-stuffed garnet precursor powders or calcined lithium-stuffed garnet powder; -
at least one member selected from the group consisting of a binder, a solvent, a dispersant, and combinations thereof; wherein the solid loading of the lithium-stuffed garnet precursor powders or the calcined lithium-stuffed garnet powder is at least 65% by volume (v/v); and wherein the film thickness is less than 100 μ
m; and
wherein the median grain size of the lithium-stuffed garnet precursor powders or the calcined lithium-stuffed garnet powder is between 0.1 μ
m and 10 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. The thin unsintered film 2, wherein the film thickness is 10 μ
- m to 100 μ
m.
- m to 100 μ
Specification