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<p>The development of recycling technology for spent lithium-ion batteries (LIBs) is becoming a concern for the recovery of valuable materials in waste management. Effective recycling necessitates pretreatment strategies to safety discharging residual energy from LIBs, therefore mitigate hazards such as fires, explosions, and toxic emissions during subsequent steps such as dismantling or shredding. One alternative way that could be used is chemical discharging using an electrolyte solution. This review critically evaluates chemical discharging methods as a promising pretreatment approach for LIB recycling, highlighting their theoretical fundamentals, mechanisms, and environmental implications. Comparative analyses of diverse electrolyte solutions reveal distinct efficiencies, safety profiles, and ecological impacts, underscoring the importance of selecting electrolytes like FeSO₄, which exhibit minimal corrosion and environmental contamination. According to the comparative analysis, the investigation leads to explaining the challenge and subsequent innovation for advancing sustainable and safe LIB recycling at an industrial scale.</p>

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Decomposing power: a review of chemical discharging as pretreatment in spent lithium-ion batteries recycling for environmental safety

  • 期刊论文

  • 发表日期：

    2026年7月4日

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  • Hersandy Dayu Kusuma,
  • Fajriana Shafira Nurrusyda,
  • Diah Nur Oktavia,
  • Zuhrotun Nafisah,
  • Wiwik Purwadi,
  • Rani Nopriyanti,
  • Indra Mawardi,
  • Adi Saputra Ismy,
  • Dessy Amalia,
  • Ari Hardianto

摘要

The development of recycling technology for spent lithium-ion batteries (LIBs) is becoming a concern for the recovery of valuable materials in waste management. Effective recycling necessitates pretreatment strategies to safety discharging residual energy from LIBs, therefore mitigate hazards such as fires, explosions, and toxic emissions during subsequent steps such as dismantling or shredding. One alternative way that could be used is chemical discharging using an electrolyte solution. This review critically evaluates chemical discharging methods as a promising pretreatment approach for LIB recycling, highlighting their theoretical fundamentals, mechanisms, and environmental implications. Comparative analyses of diverse electrolyte solutions reveal distinct efficiencies, safety profiles, and ecological impacts, underscoring the importance of selecting electrolytes like FeSO₄, which exhibit minimal corrosion and environmental contamination. According to the comparative analysis, the investigation leads to explaining the challenge and subsequent innovation for advancing sustainable and safe LIB recycling at an industrial scale.