POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Apr 11, 2024
filing date -
Apr 11, 2024
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Abstract
The present disclosure relates to a positive electrode active material comprising single particles and aggregate particles, wherein the single particles and the aggregate particles include a nickel-cobalt-manganese-based compound, the nickel-cobalt-manganese-based compound included in the single particles has a ratio of nickel of 70 mol % or more, the nickel-cobalt-manganese-based compound included in the aggregate particles has a ratio of nickel of 75 mol % or more, the aggregate particles further include a phosphoric acid compound and at least one selected from the group consisting of a lithium-containing metal oxide and lithium borate, and a molar ratio of the lithium-containing metal oxide and the lithium borate with respect to the phosphoric acid compound in the aggregate particles is 5.0 or less.
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