{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15(48)"],"submitter":["Abdimomyn S"],"pubmed_abstract":["The increasing global demand for lithium-ion batteries necessitates the development of environmentally sustainable recycling technologies for critical metal recovery. This study presents a novel citrate-EDTA buffered leaching system for recovery of Li, Co, Ni, and Mn from spent LIB cathode materials with mixed NMC/LiCoO<sub>2</sub> composition. The developed approach addresses limitations of conventional citric acid leaching through synergistic combination of citrate buffer (pH 4-6), Na<sub>2</sub>EDTA as complexing agent, and H<sub>2</sub>O<sub>2</sub> as reducing agent under mild conditions (50 °C). Thermodynamic analysis using Pourbaix diagrams demonstrated that the citrate-EDTA system significantly enhances metal solubility by forming stable chelate complexes and shifting redox boundar"],"journal":["RSC advances"],"pagination":["40864-40882"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12557716"],"repository":["biostudies-literature"],"pubmed_title":["Citrate-EDTA-H&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;2&lt;/sub&gt; buffering leaching solution for Ni/Co/Mn recovery from spent lithium-ion battery black mass."],"pmcid":["PMC12557716"],"pubmed_authors":["Artur G","Abdimomyn S","Zhanatkyzy Z","Malik S","Malchik F","Nechipurenko S","Zhumadil K"],"additional_accession":[]},"is_claimable":false,"name":"Citrate-EDTA-H&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;2&lt;/sub&gt; buffering leaching solution for Ni/Co/Mn recovery from spent lithium-ion battery black mass.","description":"The increasing global demand for lithium-ion batteries necessitates the development of environmentally sustainable recycling technologies for critical metal recovery. This study presents a novel citrate-EDTA buffered leaching system for recovery of Li, Co, Ni, and Mn from spent LIB cathode materials with mixed NMC/LiCoO<sub>2</sub> composition. The developed approach addresses limitations of conventional citric acid leaching through synergistic combination of citrate buffer (pH 4-6), Na<sub>2</sub>EDTA as complexing agent, and H<sub>2</sub>O<sub>2</sub> as reducing agent under mild conditions (50 °C). Thermodynamic analysis using Pourbaix diagrams demonstrated that the citrate-EDTA system significantly enhances metal solubility by forming stable chelate complexes and shifting redox boundar","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-05T07:49:20.139Z","creation":"2026-05-14T03:11:59.75Z"},"accession":"S-EPMC12557716","cross_references":{"pubmed":["41159086"],"doi":["10.1039/d5ra06978e"]}}