电极
流变学
材料科学
纳米技术
微观结构
钯氢电极
工作电极
复合材料
化学
电解质
物理化学
作者
Yan He,Lei Jing,Yuan Ji,Zhiwei Zhu,Lanxiang Feng,Xuewei Fu,Yu Wang
标识
DOI:10.1016/j.jechem.2022.04.038
摘要
The microstructures on electrode level are crucial for battery performance, but the ambiguous understanding of both electrode microstructures and their structuring process causes critical challenges in controlling and evaluating the electrode quality during fabrication. In this review, analogous to the cell microenvironment well-known in biology, we introduce the concept of “active material microenvironment” ([email protected]) that is built by the ion/electron transport structures surrounding the AMs, for better understanding the significance of the electrode microstructures. Further, the scientific significance of electrode processing for electrode quality control is highlighted by its strong links to the structuring and quality control of [email protected] Meanwhile, the roles of electrode rheology in both electrode structuring and structural characterizations involved in the entire electrode manufacturing process (i.e., slurry preparation, coating/printing/extrusion, drying and calendering) are specifically detailed. The advantages of electrode rheology testing on in-situ characterizations of the electrode qualities/structures are emphasized. This review provides a glimpse of the electrode rheology engaged in electrode manufacturing process and new insights into the understanding and effective regulation of electrode microstructures for future high-performance batteries.
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