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March 4, 2026Scientia Sinica Chimica0 citations

Mechano-Electrochemical Coupling in All-Solid-State Batteries: Multiscale Modeling and In Situ Characterization

DZDehao ZhouBMBozhi MengWHWenwen Hu

Key Points

  • The research aims to characterize the multiscale mechano-electrochemical interactions in all-solid-state batteries to enhance understanding and design.
  • Review of numerical simulation methods like discrete element method, phase field method, and finite element method.
  • Investigation of advanced in situ characterization techniques such as optical coherence tomography and fiber Bragg grating.
  • Assessment of thermal, mechanical, and electrochemical coupling behaviors in the battery system.
  • Progress in understanding particle deformation and interface damage is reported.
  • Key challenges in multiscale modeling and parameter calibration are identified.
  • The importance of advanced characterization techniques for assessing structural evolution and stress response is highlighted.

Abstract

全固态锂离子电池属于典型的离散颗粒体系, 且其体系性能与可靠性研究涉及多尺度、多物理场耦合行为. 本文聚焦于该体系中涉及的热-力-电化学耦合行为, 系统综述了离散元法、相场法和有限元法等代表性的多尺度数值模拟方法在颗粒变形、界面损伤与结构演化研究中的应用进展. 同时, 本文还总结了光学相干断层成像、光纤布拉格光栅和光纤光热光谱等先进无损原位表征技术, 阐述了它们在获取界面几何形貌、应力响应及反应产物信息方面的重要作用. 最后, 本文总结并讨论了当前在多尺度多物理场耦合建模、参数标定与实验验证方面面临的关键挑战, 并对多尺度数值模拟与原位表征技术协同发展的未来研究方向进行了展望, 旨在为全固态锂电池的失效机制理解和结构优化设计提供可行的数值模拟与原位表征路径.

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Cite This Study

Zhou et al. (2026) studied this question.

synapsesocial.com/papers/69a7cd2ad48f933b5eed94afhttps://doi.org/10.1360/ssc-2026-0016
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