锂离子电池厚电极润湿性改善策略研究进展
Research progress on improving the wettability of thick electrodes in lithium-ion batteries
从电极结构设计、电极浆料改性以及外场强化3方面,系统综述了提升锂离子电池厚电极润湿性的最新进展。在电极结构设计方面,重点阐述了通过构建三维多孔骨架、垂直排列孔道或梯度化孔隙结构,以优化电极内部的离子传输路径。在电极浆料改性方面,分析了活性材料、黏结剂等关键组分的特性调控,并探讨了其对改善电极界面润湿性的作用。在外场强化方面,总结了利用电场辅助等外部物理场手段增强电解液渗透驱动力,从而缩短浸润时间的方法。最后,指出了该领域目前面临的挑战与未来发展方向。
This paper systematically reviews the latest advancements in enhancing the wettability of thick electrodes through strategies such as electrode structure design,electrode component modification,and external field reinforcement.This paper systematically reviews latest advancements in enhancing the wettability of thick electrodes for lithium-ion batteries (LIBs),focusing on three key strategies:electrode structure design,slurry modification,and external field reinforce.In terms of electrode structure design,it highlights the construction of three-dimensional porous scaffolds,vertically aligned channels,and gradient pore structures to optimize ion transport pathways within the electrode.Regarding slurry modification,the review analyzes the regulation of key components such as active materials and binders,and discusses their role in improving electrode-electrolyte interfacial wettability.For external field assistance,methods utilizing external physical fields such as electric field assistance are summarized,which enhance the electrolyte infiltration driving force,thereby reducing wetting time.Finally,the paper points out the current challenges and future research directions in this field.
thick electrode / slurry modification / electrode structure design / wettability
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甘肃省教育厅青年博士支持项目(2025QB-030)
甘肃省联合基金项目(21JRRA832)
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