Method of preparing positive electrode active material powder

WO2026061883A1PCT designated stage Publication Date: 2026-03-26UMICORE(BE)
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2026-03-26

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Abstract

The present disclosure provides a method for preparing a positive electrode active material powder for Li-ion rechargeable batteries, comprising: providing a first mixture of Li transition metal oxide particles with an Al-containing compound powder; milling the first mixture to obtain a first intermediate material powder; and milling the first intermediate material powder using jet mills to obtain a second intermediate material powder.
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Citation Information

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