无负极锂金属电池电解液的研究进展

doi:10.11896/cldb.24110166

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Abstract Anode-free lithium metal batteries (AFLMBs) are considered strong contenders for the next generation of high-energy battery systems due to their exceptional energy density, cost-effectiveness, and safety. By eliminating the need for cathode active materials, these batteries achieve higher energy density while reducing per-unit costs. However, the metallic lithium deposited at the cathode is highly reactive, prone to the formation of lithium dendrites, the generation of "dead lithium", and adverse reactions with the electrolyte. These issues hinder the formation of a stable cathode interface and accelerate the consumption of active lithium, ultimately leading to battery performance decline. Therefore, developing effective strategies to enhance the cycling stability and the reversibility of lithium metal deposition/stripping in AFLMBs has become a central goal in their development. Numerous efforts have been made to improve these batteries, including modifications to the electrolyte, current collector, artificial solid electrolyte interphase (SEI), and excess lithium in the cathode. As the core component of AFLMBs, the electrolyte requires systematic optimization strategies, such as high-concentration dual-salt systems, fluorinated solvent design, and solid-state electrolyte interface engineering, to enhance its cycle life and Coulombic efficiency. These advancements, achieved by modulating solvation structures, optimizing the chemical composition of the SEI, and suppressing lithium dendrite growth, establish a foundational framework for the practical application of high-energy-density AFLMBs.

Key words： anode-free lithium metal battery electrolyte lithium dendrite high energy density

Published: 25 January 2026 Online: 2026-01-27

CLC number:

TM912

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	Articles by authors
	YU Hao
	DENG Wenjun
	WANG Yongfei
	LUO Dawei

Cite this article:

YU Hao,DENG Wenjun,WANG Yongfei, et al. Research Progress of Electrolyte for Anode-free Lithium Metal Batteries[J]. Materials Reports, 2026, 40(2): 24110166-8.

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https://www.mater-rep.com/EN/10.11896/cldb.24110166 OR https://www.mater-rep.com/EN/Y2026/V40/I2/24110166

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