
Research on Construction of Three-Dimensional Current Collector for Stabling Lithium Metal Anodes
Chenyang Li, Li Su, Qinglei Wang, Xuehui Shangguan, Lijun Gao, Faqiang Li
Prog Chem ›› 2024, Vol. 36 ›› Issue (12) : 1929-1943.
Research on Construction of Three-Dimensional Current Collector for Stabling Lithium Metal Anodes
Lithium metal is considered to be the most promising anode material owing to its extraordinary theoretical specific capacity and the lowest redox potential. However, lithium anodes suffer from many challenges, such as the uncontrolled growth of lithium dendrites, unstable solid electrolyte interface (SEI) layers, and infinite volume expansion of lithium during cycling, which hinder the further commercial application of lithium metal batteries. Numerous important strategies have been proposed to overcome these challenges. Among them, three-dimensional current collectors can not only reduce the local current density and alleviate dendrite growth, but also mitigate the volume change of Li metal during the stripping/plating process. Based on the above problems, this review summarizes the working mechanisms and the latest research progress about the design of the three-dimensional structure and the lithiophilic modification to stabilize the lithium metal anode.
1 Introduction
2 The design of three-dimensional current collector
2.1 Mechanism of action
2.2 Construction methods
2.3 Structural design
3 Lithiophilic modification
3.1 Lithiophilic mechanism
3.2 Surface modification methods
3.3 Metal-based current collectors
3.4 Carbon-based current collectors
4 Conclusion and outlook
lithium metal anodes / three-dimensional current collector / lithium dendrites / structure design / lithiophilic modification
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