POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR, POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD, AND SECONDARY BATTERY
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United States of America
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Apr 3, 2025
app pub date -
Dec 11, 2024
filing date -
Dec 11, 2024
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Abstract
A preparation method includes the following steps: S1, preparing an aqueous solution of a metal salt and an aqueous solution of a precipitant, where the precipitant includes one or more selected from oxalic acid and a water-soluble oxalate; S2, mixing the aqueous solution of the precipitant and the aqueous solution of the metal salt at a shear speed of 10000 r/min or more for co-precipitation reaction; and S3, after the reaction is completed, obtaining the positive electrode active material precursor via washing and drying.
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