Journal
DESALINATION
Volume 546, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.desal.2022.116189
Keywords
Electrochemical lithium extraction; Electrode materials; Technical approaches; Operation modes; Efficient recovery
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The supply and demand of lithium resources are seriously unbalanced due to the rapid growth of energy storage technologies designed to meet proposed carbon emission reduction targets. Liquid solutions such as seawater, salt-lake brine, and underground brine contribute greatly to this development due to their low cost and abundant reserves. Electrochemical methods, known for their selectivity, environmental friendliness, and low energy consumption, show promising potential in extracting lithium from solutions. This paper reviews the operation modes of electrochemical lithium extraction processes and significant developments in key electrode materials, analyzes trends in development routes, and identifies future research directions.
The supply and demand of lithium resources are seriously unbalanced due to the rapid growth of energy storage technologies designed to meet proposed carbon emission reduction targets. Lithium resources in the form of liquid solutions, such as seawater, salt-lake brine, and underground brine contribute greatly to this development due to their low cost and relatively abundant reserves. Electrochemical methods are particularly promising to extract lithium from solutions due to their excellent selectivity, environmental friendliness, and low energy consumption. From the perspective of fundamental research on new technologies, it is critical to maximize lithium extraction ability as well as potential applications. In this paper, operation modes of electrochemical lithium extraction processes as well as significant developments of key electrode materials are reviewed. Trends in routes for development are analyzed, and future research directions are correspondingly identified.
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