POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERIES, PREPARATION METHOD THEREOF AND RECHARGEABLE LITHIUM BATTERIES
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United States of America Patent
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Issued Date -
Apr 25, 2024
app pub date -
Sep 30, 2022
filing date -
Sep 30, 2022
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Abstract
A active material for a rechargeable lithium battery, a manufacturing method, and a rechargeable lithium battery are provided, the positive active material including lithium nickel-based composite oxide particles having a molar content (e.g., amount) of nickel of greater than or equal to about 80 mol % based on the total element excluding lithium and oxygen and containing at least one element selected from B, Sb, and Nb, a first coating layer disposed on the surface of the particles and containing at least one element selected from B, Sb, and Nb, and a second coating layer disposed on the first coating layer and containing a metal phosphate.
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