COATED ACTIVE MATERIAL, BATTERY USING SAME, AND METHOD FOR MANUFACTURING COATED ACTIVE MATERIAL
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 9, 2024
filing date -
Dec 9, 2024
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Abstract
A coated active material of the present disclosure includes a positive electrode active material and a coating material coating at least a portion of a surface of the positive electrode active material. The coating material includes a compound represented by the following composition formula (1) and carbon attributed to a C1s peak having a binding energy of 288.5±1.5 eV. In the formula (1), a, b, and c are each a positive real number, and M is at least one element other than Li or O. In a surface of the coated active material, an atomic percentage XC of the carbon and an atomic percentage XM of the M satisfy a relation represented by the following inequality (2).
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