Bilayer Interphases Engineering Enabling Practical Anode-Free Lithium Metal Batteries

doi:10.1016/j.ensm.2025.104497

Bilayer Interphases Engineering Enabling Practical Anode-Free Lithium Metal Batteries

2025-07-27

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DOI：10.1016/j.ensm.2025.104497

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• A bilayer structure comprising lithiophilic high-entropy alloys (HEAs: CuInCdSnZn) and chemically-stable SEI (LiF) is proposed. • The synergistic effect of bilayer structure regulates the nanoscale structure of the deposited Li. • Large-capacity pouch cells (1.5/2.5 Ah) with strict conditions achieve high-energy density (360/380 Wh kg−1) and long lifespan (about 20 cycles).

Keywords:

lithiophilic high-entropy alloys

solid electrolyte interphase

lithium deposition

bilayer structure

high-energy density batteries

Bilayer Interphases Engineering Enabling Practical Anode-Free Lithium Metal Batteries

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