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Updated: Jun 9, 2026
12:28
Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells
Published on: February 1, 2016
Precision Dissolution of Salts for Solar-Driven Lithium Extraction from Brines.
Pan Liu1, Zhikao Li1, Huanting Wang1
1Department of Chemical and Biological Engineering, Monash University, Clayton, Victoria 3800, Australia.
Environmental Science & Technology
|June 8, 2026
Summary
This study introduces a novel method for sustainable lithium extraction from brines. It achieves high lithium recovery (~95%) and purity by selectively dissolving lithium salts in organic solvents, minimizing water and chemical use.
Area of Science:
- Materials Science
- Chemical Engineering
- Sustainable Chemistry
Background:
- Lithium recovery from salt-lake brines is crucial for global supply.
- Conventional methods suffer from low efficiency and long processing times.
- Direct lithium extraction technologies face challenges with high freshwater and chemical consumption.
Purpose of the Study:
- To develop a sustainable and efficient lithium extraction strategy.
- To overcome limitations of existing lithium recovery processes.
- To enable high-purity lithium production with minimal environmental impact.
Main Methods:
- Selective dissolution of lithium salts from solid salt mixtures using organic solvents (ethanol, acetone).
- Leveraging differential solubilities of salts in volatile organic solvents.
- Integration with interfacial solar evaporation for accelerated processing and solvent recycling.
Main Results:
- Achieved high lithium recovery efficiency of approximately 95%.
- Effectively removed boron and sulfate impurities, enabling high-purity lithium production.
- Demonstrated over 99% solvent recycling using only solar energy, eliminating freshwater needs.
Conclusions:
- The novel method offers a sustainable and practical approach for lithium extraction from brines.
- This strategy significantly reduces water and chemical usage compared to existing technologies.
- The process is adaptable for various brine sources and other salt-containing matrices.
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