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Universal and efficient extraction of lithium for lithium-ion battery recycling using mechanochemistry

Chemistry

Universal and efficient extraction of lithium for lithium-ion battery recycling using mechanochemistry

O. Dolotko, N. Gehrke, et al.

This paper presents a groundbreaking, acid-free mechanochemical process for recycling lithium from diverse cathode materials, achieving up to 70% recovery of pure Li₂CO₃. Conducted by a team from the Karlsruhe Institute of Technology, this method highlights its potential as a sustainable solution for lithium-ion battery recycling.

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Playback language: English
Abstract
This paper reports a highly efficient, acid-free mechanochemical process for recycling lithium from various cathode materials (LiCoO₂, LiMn₂O₄, Li(CoNiMn)O₂, LiFePO₄) using aluminum as a reducing agent. Two processes were developed to recover lithium as pure Li₂CO₃, achieving recovery rates up to 70% without corrosive leachates or high temperatures. The process shows promise as a universal and sustainable method for lithium-ion battery recycling.
Publisher
Communications Chemistry
Published On
Mar 28, 2023
Authors
Oleksandr Dolotko, Niclas Gehrke, Triantafillia Malliaridou, Raphael Sieweck, Laura Herrmann, Bettina Hunzinger, Michael Knapp, Helmut Ehrenberg
Tags
lithium recycling
mechanochemical process
acid-free
battery recycling
Li₂CO₃ recovery
sustainable technology
cathode materials

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