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Cyclic redox strategy for sustainable recovery of lithium ions from spent lithium iron phosphate batteries

  • Xi'an Jiaotong University
  • Hunan Desay Battery Co. LTD

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The growth of spent lithium-ion batteries requires a green recycling method. This paper presents an innovative hydrometallurgical approach in light of redox flow batteries, which employed Fe3+/Fe2+ as regenerative redox mediator to selectively extract Li+ from LiFePO4. In contrast to the conventional method in which the oxidizer is disposable, the present scheme allows for the recycling of the oxidizer, which demonstrates the advantages of environmentally friendly, low cost and higher extraction rate, offering a novel approach to recycling spent batteries.

Original languageEnglish
Article number136779
JournalMaterials Letters
Volume369
DOIs
StatePublished - 15 Aug 2024

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Energy storage and conversion
  • Metallurgy
  • Oxidation

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