锂离子电池商用阳极的故障检测技术

IF 7.9 2区 综合性期刊 Q1 CHEMISTRY, MULTIDISCIPLINARY
Guoyu Qian, Xinghan Chen, Hai Lin, Luyi Yang
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引用次数: 0

摘要

商用锂离子电池的能量密度、功率密度和安全性在很大程度上取决于阳极。考虑到锂离子电池的多尺度特性(10-8-102 厘米)和多物理特性(包括电、力和热),有必要对商用锂离子电池阳极(即碳基和硅基阳极)的失效检测技术进行系统分类和总结。从这个角度出发,我们将最先进的阳极失效检测技术分为四个维度--阳极颗粒、阳极颗粒界面/相间、电极和电池,旨在建立多维度失效检测框架。基于上述四个维度,本文阐述了适用于不同检测尺度的表征技术以及相应的失效原因。通过结合多物理模量或多维表征技术的实例,我们进一步探讨了开发协同表征方法以获取阳极不同物理化学信息的重要性,为相关专业人员提供了有效的技术指导。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Failure-detecting techniques for commercial anodes of lithium-ion batteries

Failure-detecting techniques for commercial anodes of lithium-ion batteries

Energy density, power density, and safety of commercial lithium-ion batteries are largely dictated by anodes. Considering the multi-scale nature (10−8–102 cm) as well as the multi-physics properties—including electricity, force, and heat—of lithium-ion batteries, it is imperative to systematically categorize and summarize the failure-detection techniques for anodes in commercial lithium-ion batteries, namely, carbon-based and silicon-based anodes. In this perspective, we categorize the state-of-the-art failure-detection techniques for anodes into four dimensions—bulk of anode particles, interface/interphase of anode particles, electrodes, and batteries—aiming to develop the framework of multi-dimension failure detection. Based on the above four dimensions, this paper elaborates on characterization techniques applicable to different detection scales and the corresponding failure causes. Through examples that integrate multi-physical moduli or multi-dimensional characterization techniques, we further discuss the importance of developing collaborative characterization methods to acquire different physio-chemical information for anodes, providing relevant professionals with effective technical guidance.

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来源期刊
Cell Reports Physical Science
Cell Reports Physical Science Energy-Energy (all)
CiteScore
11.40
自引率
2.20%
发文量
388
审稿时长
62 days
期刊介绍: Cell Reports Physical Science, a premium open-access journal from Cell Press, features high-quality, cutting-edge research spanning the physical sciences. It serves as an open forum fostering collaboration among physical scientists while championing open science principles. Published works must signify significant advancements in fundamental insight or technological applications within fields such as chemistry, physics, materials science, energy science, engineering, and related interdisciplinary studies. In addition to longer articles, the journal considers impactful short-form reports and short reviews covering recent literature in emerging fields. Continually adapting to the evolving open science landscape, the journal reviews its policies to align with community consensus and best practices.
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