Using sulfuric acid–phosphoric acid leaching to remove aluminum and cathode material metal residues from spent graphite

Materials Advances 2026 Open access

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Authors: Venla Rantala, Toni Kauppinen, Tao Hu, Ali Huerta Flores, Anne Heponiemi, Ulla Lassi, Sari Tuomikoski
DOI: 10.1039/d5ma01222h
Cited by: 1
References: 54

Abstract

Simultaneous removal of aluminum and cathode material metals from lithium-ion battery spent graphite is performed using a sulfuric acid-phosphoric acid mixture. In addition, lithium phosphate is used as an alternative phosphate source.

Fields of Study & Subjects

Extraction and Separation Processes Bauxite Residue and Utilization Metal Extraction and Bioleaching

Publication details

Journal / source
Materials Advances
Publisher
Royal Society of Chemistry (RSC)
Volume
7
Issue
4
Pages
2241–2256
Publication date
1 January 2026
Language
EN