Rapid and selective lithium recovery from desalination brine using an electrochemical system

Environmental Science. Processes & Impacts
Seoni KimJeyong Yoon

Abstract

Due to the steep increase in the use of mobile electronics and electric vehicles, there has been a dramatic rise in the global lithium consumption. Although seawater is considered as an ideal future source of lithium, technological advances are necessary to ensure the economic feasibility of lithium recovery from seawater because the concentration and portion of Li+ are extremely low in seawater. Especially, battery-based electrochemical systems for lithium recovery have been considered as promising lithium recovery methods, though they have not been considered for seawater applications due to the extremely low concentration of Li+. In this study, we demonstrate that an electrochemical system based on a battery electrode material (λ-MnO2) can be used for efficient lithium recovery from desalination brine (2-3 times concentrated seawater). Our approach was able to capture Li+ within a substantially short period of time compared to conventional processes at a rate that was at least 3 times faster than that of adsorption processes, and our approach did not require acid or toxic chemicals unlike the other recovery technologies. Moreover, by consecutive operation of the system, a lithium recovery solution containing 190 mM of Li+ wa...Continue Reading

References

Apr 18, 2009·Water Research·Lauren F GreenleePhilippe Moulin
Jul 28, 2010·Water Research·Jean-Pierre MericqCorinne Cabassud
Aug 6, 2011·Science·Menachem Elimelech, William A Phillip
Apr 19, 2013·Physical Chemistry Chemical Physics : PCCP·Jaehan LeeJeyong Yoon
Jul 22, 2014·Chemistry : a European Journal·Rafael TrócoliFabio La Mantia
Dec 18, 2014·Nature Chemistry·D Larcher, J-M Tarascon
Apr 22, 2015·Environmental Science & Technology·Mamadou S DialloManki Cho
Apr 30, 2015·Environmental Science & Technology·Joo-Seong KimJang Wook Choi
Oct 9, 2015·Water Research·HyunJu ParkEun Hea Jho
Dec 8, 2015·Water Research·Veera Gnaneswar Gude

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Citations

Apr 21, 2020·Advanced Materials·Alberto BattistelRafael Trócoli
Jun 4, 2020·Membranes·Fangmeng ShengTongwen Xu

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Methods Mentioned

BETA
X-ray

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