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通过操作成像检测能量密集电池的多尺度动力学

Weidong Zhang^1,2, Yilu Song¹, Xinran Du¹

¹Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore.

Chem & bio engineering

|February 20, 2025

概括

先进的操作成像技术揭示了电池中的多尺度动态行为. 这为电动汽车和电子产品的电池材料演变和性能因素提供了更深入的见解.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
储能储能储能储能储能储能

背景情况:

电动汽车和便携式电子产品中对高性能电池的需求日益增加.
电池循环期间复杂的动态行为影响性能.
常规表征技术的局限性,以了解微/中等尺度结构-性能关系.

研究的目的:

为电池表征提供操作成像技术的概述.
为了突出电池材料的多尺度分析的进步.
阐明封闭电池系统中的动态进化机制.

主要方法:

对操作成像技术的审查.
从子/单颗粒到充满电池水平的多尺度表征.
分析电极材料的动态变化,SEI的形成和电解质的分布.

主要成果:

操作成像使各种规模的动态过程可视化.
确定控制电池性能的关键因素.
弥合了微/中尺度材料变化和宏观设备行为之间的差距.

结论:

操作成像为电池性能提供了关键的见解.
先进的成像对于开发下一代电池至关重要.
了解多尺度动态是优化电池设计和功能的关键.

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