Valuable metal recovery composition and method for preparing same

WO2026134821A1PCT designated stage Publication Date: 2026-06-25POSCO HLDG INC
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
POSCO HLDG INC
Filing Date
2025-12-01
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing dry oxidative refining methods for recycling LFP-based waste batteries result in high carbon dioxide emissions and low recovery rates of valuable metals, posing challenges for process price competitiveness and environmental compliance.

Method used

A valuable metal recovery composition comprising Li3PO4 particles with Fe-P particles coated on their surface, along with other metals, is manufactured using a controlled dry reduction process with specific oxygen concentration, temperature, and pressure conditions to enhance metal recovery and reduce CO2 emissions.

Benefits of technology

The method achieves a high recovery rate of valuable metals while significantly reducing CO2 generation, facilitating efficient separation and extraction of metals with improved process efficiency and cost-effectiveness.

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    Figure KR2025020306_25062026_PF_FP_ABST
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Abstract

The present invention relates to a valuable metal recovery composition and a method for preparing same. Specifically, the present invention relates to a valuable metal recovery composition and a method for preparing same, wherein the composition can improve the recovery rate of valuable metals and reduce the amount of CO2 emission by using dry reduction refining upon the recycling of waste batteries.
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