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Electrophoretic deposition (EPD) has evolved into a scalable and adaptable technique for the fabrication of composite electrodes in lithium-ion batteries, building on its industrial roots in automotive and ceramic coating applications. In this study, EPD is used to fabricate LiCoO2 (LCO) cathodes for Lithium-ion Batteries (LIBs) by co-depositing LCO particles with Super P carbon black and polytetrafluoroethylene (PTFE) onto aluminium foil current collectors under high DC electric fields in an organic-based colloidal solution. The cathodes prepared via EPD are compared with their counterparts prepared via the industrially approved slurry-cast process. Structural, morphological, and electrochemical performance of EPD-based and slurry-cast LCO electrodes are compared via SEM, cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and galvanostatic charge–discharge (GCD) cycling. In most cases, EPD-based half-cells have delivered similar performances to their slurry-cast counterparts, except for the case of successive cycling that clearly displayed the superiority of EPD for preparing highly durable cathodes for energy storage applications.

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Electrophoretic Processing of LiCoO2 Electrodes for Integrated Lithium-Ion Battery Manufacturing

  • 会议论文

  • 发表日期：

    2026年

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  • Baidaa Alkhateab,
  • Sanaz Mohammedzadeh Sarabi,
  • Serdar Bozoglu,
  • Koray Bahadir Donmez,
  • Serap Hayat Soytas,
  • Barun Kumar Chakrabarti,
  • Chee Tong John Low

摘要

Electrophoretic deposition (EPD) has evolved into a scalable and adaptable technique for the fabrication of composite electrodes in lithium-ion batteries, building on its industrial roots in automotive and ceramic coating applications. In this study, EPD is used to fabricate LiCoO2 (LCO) cathodes for Lithium-ion Batteries (LIBs) by co-depositing LCO particles with Super P carbon black and polytetrafluoroethylene (PTFE) onto aluminium foil current collectors under high DC electric fields in an organic-based colloidal solution. The cathodes prepared via EPD are compared with their counterparts prepared via the industrially approved slurry-cast process. Structural, morphological, and electrochemical performance of EPD-based and slurry-cast LCO electrodes are compared via SEM, cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and galvanostatic charge–discharge (GCD) cycling. In most cases, EPD-based half-cells have delivered similar performances to their slurry-cast counterparts, except for the case of successive cycling that clearly displayed the superiority of EPD for preparing highly durable cathodes for energy storage applications.