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US 12,224,424 B2Granted
Method of preparing positive electrode
AssigneeLG Energy Solution, Ltd.
InventorsChang Wan Koo, Ki Tae Kim, Sang Hoon Choy
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Abstract
The present invention relates to a method of preparing a positive electrode which includes forming a solid electrolyte by mixing a lithium salt and a polymer for a solid electrolyte in a dry atmosphere, forming a dry mixture by stirring after adding a conductive agent and a positive electrode active material to the solid electrolyte in a dry atmosphere, and pressing after coating a current collector with the dry mixture.
Claims15
A dry positive electrode comprising:
- a positive electrode collector and
- a positive electrode active material layer disposed on the positive electrode collector and comprising a dry mixture,
- wherein the dry positive electrode has a porosity of 3.5% to 18% and a thickness variation of 4 μm to 8 μm.
Dependencies are inferred from the claim text.