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Many scientists are searching for less expensive and more efficient, reliable, and environmentally friendly lithium extraction methods. These are generally direct lithium extraction that bypasses big evaporation ponds. The new study reports on the results of a new method using an approach known as "redox-couple electrodialysis," or RCE, along with cost estimates.

"The benefits to efficiency and cost innate to our approach make it a promising alternative to current extraction techniques and a potential game changer for the lithium supply chain," said Yi Cui, the study's senior author and a professor of materials science and engineering in the School of Engineering.