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April 10, 2026Chemical Communications0 citations

Achieving Ultrahigh Initial Coulombic Efficiency in SnBi/C Anode for Sodium-Ion Batteries via Interfacial Engineering and Binder Optimization

CWChunting WangQYQian YaoLSLong Su

Key Points

  • The aim is to achieve ultrahigh initial coulombic efficiency in sodium-ion batteries using a SnBi/C anode.
  • Developed a Sn-Bi bimetallic carbon composite
  • Implemented interfacial engineering techniques
  • Optimized poly(ethylene oxide) binder for anode fabrication
  • The SnBi/C anode shows significant alleviation of volume deformation during sodium (de)intercalation
  • Achieved superior initial coulombic efficiency compared to traditional anodes

Abstract

The designed deep-eutectic Sn-Bi bimetallic carbon composite microspheres (SnBi/C) with abundant phase boundaries, effectively alleviate volume deformation during sodium (de)intercalation. Accordingly, the anode fabricated with poly(ethylene oxide) binder delivers an...

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69d8967d6c1944d70ce07eb7https://doi.org/10.1039/d6cc00721j
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