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March 4, 2026Green Chemistry0 citations

From waste to wealth: upcycling spent LiCoO 2 batteries into a high-performance Co 3 O 4 -graphene modified diaphragm for lithium–sulfur batteries

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LYLei YouCCChen ChengSLShaoqing Liu

Key Points

  • The research aims to enhance lithium-sulfur battery stability by upcycling spent LiCoO2 batteries.
  • Developed a Co3O4/N-doped graphene diaphragm modifier from spent LiCoO2 batteries.
  • Tested the effectiveness of the diaphragm in enhancing Li–S battery performance.
  • Analyzed polysulfide behavior to assess improvements in battery stability.
  • The Co3O4/graphene diaphragm significantly suppressed the polysulfide shuttle effect.
  • This modification led to improved long-term stability of lithium-sulfur batteries.

Abstract

A sustainable strategy upcycles spent LiCoO 2 batteries into a Co 3 O 4 /N-doped graphene diaphragm modifier, which suppresses the polysulfide shuttle and ensures long-term Li–S battery stability through synergistic adsorption-confinement.

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Cite This Study

You et al. (2026) studied this question.

synapsesocial.com/papers/69a7cd7ed48f933b5eed9e8ehttps://doi.org/10.1039/d6gc00174b
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