Patent ID: 11942621
Assignee: ASAHI KASEL KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A positive electrode precursor having a current collector and a positive electrode active material layer disposed on the current collector, wherein
the positive electrode active material layer comprises all of a carbon material, lithium transition metal oxide, and an alkali metal compound, a weight proportion A1 of the carbon material in the positive electrode active material layer accounts for 50% by weight or greater and 65% by weight or less, a weight proportion A2 of the lithium transition metal oxide in the positive electrode active material layer accounts for 10% by weight or greater and 30% by weight or less, a weight proportion A3 of the alkali metal compound in the positive electrode active material layer accounts for 24.6% by weight or greater and 50% by weight or less,
A2/A1 is 0.19 or greater and 1.10 or less, A1/A3 is 0.65 or greater and 2.88 or less, and the positive electrode active material layer has a peel strength of 0.02 N/cm or greater and 3.00 N/cm or less,
the carbon material in the positive electrode active material layer is activated carbon material, and
the alkali metal compound is at least one selected from the group consisting of lithium carbonate, sodium carbonate, and potassium carbonate.