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US 12,424,665 B2Granted
Porous ceramic separator materials and formation processes
AssigneeApple Inc.
InventorsLin Ma, Mikyong Yoo, Richard M. Mank
Life of this patent
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Abstract
Energy storage devices, battery cells, and batteries may include a battery cell component that may be or include a ceramic layer produced by methods including admixing a ceramic with a water-soluble dispersant to form a first mixture. The methods may include admixing an organic polymeric dispersant with the first mixture to form a second mixture. The methods may include admixing a binder with the second mixture to form a slurry. The methods may also include depositing the slurry on a substrate.
Claims20
A method comprising:
- admixing a ceramic material with a water-soluble dispersant to form a first mixture;
- admixing an organic polymeric dispersant with the first mixture to form a second mixture;
- admixing a binder with the second mixture to form a slurry;
- depositing the slurry on a substrate;
- and
- depositing an adhesive material on the slurry at a loading of less than or about 5 g/m2, wherein the adhesive material comprises an acrylate or polyvinylidene fluoride.
3 more elements
Dependencies are inferred from the claim text.