X-ray Micro-Computed Tomography for Structural Analysis of All-Solid-State Battery at Pouch Cell Level

IF 19.3 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Chen-Jui Huang, Jin An Sam Oh, Marta Vicencio, Tianchen Hu, Hedi Yang, James N. Burrow, Yen-Fang Song, Gung-Chian Yin, Pavel Shevchenko, Kamila M. Wiaderek, Bing Joe Hwang, Ying Shirley Meng
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引用次数: 0

Abstract

Characterizing the microstructure of all-solid-state batteries (ASSBs) during fabrication and operation is vital for their advancement, particularly as scaling to pouch cell levels introduces challenges in probing large-scale microstructural evolution. This work highlights the potential of synchrotron X-ray micro-computed tomography (sXCT) as a nondestructive, rapid (<30 min), and high-resolution technique for visualizing and quantifying key microstructural features, including overhang, porosity, contact loss, active surface area, and tortuosity, in all-solid-state pouch cells. The large field of view (up to millimeters) of sXCT enables detailed analysis at an industry-relevant scale, bridging the gap between laboratory research and commercial applications. Furthermore, integrating realistic sXCT-derived 3D models into multiphysics simulations could provide insights into chemo-mechanical degradation, particularly at the edges of the pouch cells, offering a pathway for designing robust, high-performance ASSBs. This perspective establishes sXCT as an indispensable tool for advancing both the understanding and the engineering of next-generation energy storage systems.
全固态电池袋级结构分析的x射线微计算机断层扫描
在制造和操作过程中表征全固态电池(assb)的微观结构对其发展至关重要,特别是当缩放到袋状电池水平时,为探测大规模微观结构演变带来了挑战。这项工作强调了同步加速器x射线微计算机断层扫描(sXCT)作为一种无损、快速(30分钟)和高分辨率技术的潜力,可用于可视化和量化全固态袋状细胞的关键微观结构特征,包括悬垂、孔隙度、接触损失、活性表面积和弯曲度。sXCT的大视场(高达毫米)可以在行业相关规模上进行详细分析,弥合了实验室研究和商业应用之间的差距。此外,将真实的sxct衍生的3D模型集成到多物理场模拟中,可以深入了解化学机械降解,特别是在袋状细胞的边缘,为设计坚固,高性能的assb提供途径。这一观点确立了sXCT作为推进下一代储能系统的理解和工程的不可或缺的工具。
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来源期刊
ACS Energy Letters
ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment
CiteScore
31.20
自引率
5.00%
发文量
469
审稿时长
1 months
期刊介绍: ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.
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