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April 11, 2026Advanced Functional Materials

Spontaneous Formation of Conductive Solid Electrolyte Interphase on Porous Si@C@ZIF Anodes for Highly Stable Lithium‐Ion Batteries

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Authors

ZZZaohong ZhangJYJing YangDBDmitry V. Bavykin

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Overview

Nanostructured silicon enhances lithium-ion battery performance, indicating a path to more stable anodes.

Key Points

  • Investigate the formation of a conductive solid electrolyte interphase (SEI) on Si@C@ZIF anodes to improve lithium-ion battery stability.
  • Si nanoparticles encapsulated in a ZIF-8 framework with carbon coating
  • Evaluated anode performance over 500 cycles
  • Full cell tested with LiNi0.8Co0.1Mn0.1O2 (NCM811)
  • Conductive SEI formation analyzed through density functional theory calculations
  • Achieved reversible capacity of 1030 mAh g −1 after 500 cycles at 1.0 A g −1
  • Maintained 76.8% capacity retention at 0.5 C over 260 cycles
  • Post-cycling SEI analysis revealed rich Li3N and LiF content
  • DFT calculations confirmed enhanced interfacial stability due to LiPF6 adsorption

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69d9e5ec78050d08c1b76290https://doi.org/10.1002/adfm.75249
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