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<p>The drying process is a critical step in lithium-ion battery manufacturing, as it significantly impacts the porous structure and component distribution of electrodes. Despite its importance, the understanding of heat and mass transfer interactions across solid, liquid, and vapor phases remains incomplete. This review aims to provide a comprehensive overview of the heat and mass transfer processes involved in electrode drying, elucidating the underlying mechanisms and parameters that impact electrode quality. Following the showcasing of the electrode drying mechanism, the heat and mass transfer process is introduced. After a brief review of the influence of drying parameters, especially the drying temperature and rate, recent advances in simulation models at different scales are highlighted. In addition, AI-based modeling and optimization approaches relevant to the drying process are summarized, capturing the most recent advancements in digital electrode manufacturing. Finally, future challenges and research directions for further optimization of the drying process to ensure even component distribution and optimal electrode quality are discussed. By providing state-of-the-art strategies for optimized heat and mass transfer, this review could guide industrial production and ultimately enhance lithium-ion battery performance.</p>

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A review of heat and mass transfer during drying of lithium-ion battery electrodes

  • 期刊论文

  • 发表日期：

    2025年9月15日

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  • Yang Guo,
  • Junhua Tan,
  • Ming Zhang,
  • Tianjiang Liang,
  • Xinyu Chen,
  • Fangming Ren,
  • Liang Qiu,
  • Xuan Yang,
  • Peiyan Chen,
  • Jiachang Cao,
  • Kang Zhu,
  • Fujun Niu,
  • Liejin Guo

摘要

The drying process is a critical step in lithium-ion battery manufacturing, as it significantly impacts the porous structure and component distribution of electrodes. Despite its importance, the understanding of heat and mass transfer interactions across solid, liquid, and vapor phases remains incomplete. This review aims to provide a comprehensive overview of the heat and mass transfer processes involved in electrode drying, elucidating the underlying mechanisms and parameters that impact electrode quality. Following the showcasing of the electrode drying mechanism, the heat and mass transfer process is introduced. After a brief review of the influence of drying parameters, especially the drying temperature and rate, recent advances in simulation models at different scales are highlighted. In addition, AI-based modeling and optimization approaches relevant to the drying process are summarized, capturing the most recent advancements in digital electrode manufacturing. Finally, future challenges and research directions for further optimization of the drying process to ensure even component distribution and optimal electrode quality are discussed. By providing state-of-the-art strategies for optimized heat and mass transfer, this review could guide industrial production and ultimately enhance lithium-ion battery performance.