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August 6, 2026ACS Sustainable Chemistry & Engineering

Microstructure–Interphase Co-Regulation Enables Stable Self-Supporting Al–Sn–Si Alloy Foil Anodes for Liquid and Sulfide-Based Lithium Batteries

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Authors

JCJingqi ChenYanshan UniversityCLChenrui LiYanshan UniversityLZLinyun ZhengYanshan University

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Implication

Randomized trial demonstrates improved cycling performance in lithium batteries, highlighting a novel anodic engineering approach.

Key Points

  • The aim is to improve the performance and stability of self-supporting Al–Sn–Si alloy foil anodes in lithium batteries.
  • Applied low-temperature annealing at 150 °C for 30 min to optimize microstructure.
  • Utilized electrolyte-mediated mechanical prelithiation to enhance initial Coulombic efficiency and wettability.
  • Evaluated performance in liquid-electrolyte NCM811 full cells and sulfide-based solid-state batteries.
  • Achieved initial Coulombic efficiency improvement from 51.8% to 84.1%.
  • Delivered stable cycling performance of 4.08 mAh cm–2 after 600 cycles at 4.0 mA cm–2.
  • Showed 1.1 mAh cm–2 capacity at 10 mA cm–2 with enhanced rate performance.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6a7437d4764cddc9499d5847https://doi.org/10.1021/acssuschemeng.6c05703
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