Factors affecting the efficiency of electrochemical lithium extraction
A systematic review from materials to processes technology
Junyi Zhang (Chengdu University of Technology)
Tiandong Chen (Chengdu University of Technology)
Luxiang Ma (Chengdu University of Technology)
Chunxi Hai (Chengdu University of Technology)
Yanxia Sun (Chengdu University of Technology)
Shengde Dong (Chengdu University of Technology)
Xin He (Chengdu University of Technology)
Qi Xu (Chengdu University of Technology)
Jitao Chen (Chengdu University of Technology)
Hongli Su (TU Delft - Civil Engineering & Geosciences)
Yuan Zhou (Chengdu University of Technology)
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Abstract
Electrochemical extraction of lithium (ELE), as a green lithium extraction technology, is of great significance to the exploitation of lithium resources in salt lakes and the sustainable development of the new energy industry. However, the low efficiency and competition of impurity ions limit its large-scale application. In this paper, the current research progress is reviewed from the viewpoint of reaction tank design, electrode material modification, reaction tank process parameter optimization and multi-technology coupling. Additionally, through in-depth research and exploration of these key issues, it is expected to improve the efficiency of electrochemical lithium extraction, reduce energy costs, and promote the practical application and popularization of lithium extraction technology in salt lakes. Finally, this paper discussed the existing challenges and outlooks to improve the performance of ELE, meeting the rising global demand for lithium sources.