Self-healing solid-state polymer electrolytes for high-safety and long-cycle lithium-ion batteries

IF 21.1 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Haijian Lv , Xiaorong Chu , Yuxiang Zhang , Qi Liu , Feng Wu , Daobin Mu
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Abstract

Current lithium-ion batteries (LIBs) with lightweight, rechargeable, and powerful characteristics have revolutionized our lives. However, commercialized battery technology is far from meeting the demands of high energy density and high safety, especially under mechanical abuse, latent defect abuse, and thermal abuse circumstances. Self-healing solid-state polymer electrolytes (SHSSPEs), which are precisely capable of meeting the demands for mechanically repairing damage, have garnered significant attention. This review comprehensively elaborates and highlights the various self-healing mechanisms closely linked to the physical and chemical approaches and, consequently, to develop advanced functional polymer electrolyte (PE) materials for LIBs. These mechanisms include polymer interchain diffusion, capsule-based self-healing, vascular-based self-healing, reversible covalent chemistry, and supramolecular dynamic chemistry. Furthermore, to improve the safety and cycle life of LIBs, the progress of composite functional self-healing PEs is summarized. We also highlight the significant role of advanced characterization techniques and theoretical calculation simulations in analyzing and predicting the performance of PEs. To develop novel self-healing PE materials, we emphasize effective self-healing mechanisms and provide relevant perspectives based on the self-healing polymer electrolyte genome project and machine learning. This evaluation is expected to influence the development of high-safety, long-cycle energy storage devices.

Abstract Image

用于高安全性和长周期锂离子电池的自修复固态聚合物电解质
目前的锂离子电池(LIBs)具有重量轻、可充电、功能强大等特点,已经彻底改变了我们的生活。然而,商业化的电池技术还远远不能满足高能量密度和高安全性的要求,尤其是在机械滥用、潜在缺陷滥用和热滥用的情况下。自修复固态聚合物电解质(SHSSPEs)恰恰能满足机械修复损伤的要求,因此备受关注。本综述全面阐述并重点介绍了与物理和化学方法密切相关的各种自修复机制,从而为 LIB 开发出先进的功能性聚合物电解质(PE)材料。这些机制包括聚合物链间扩散、基于胶囊的自修复、基于血管的自修复、可逆共价化学和超分子动态化学。此外,为了提高锂电池的安全性和循环寿命,我们还总结了复合功能性自愈合聚乙烯的研究进展。我们还强调了先进的表征技术和理论计算模拟在分析和预测聚乙烯性能方面的重要作用。为了开发新型自愈合聚乙烯材料,我们强调了有效的自愈合机制,并提供了基于自愈合聚合物电解质基因组项目和机器学习的相关观点。该评估有望影响高安全性、长周期储能设备的开发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Materials Today
Materials Today 工程技术-材料科学:综合
CiteScore
36.30
自引率
1.20%
发文量
237
审稿时长
23 days
期刊介绍: Materials Today is the leading journal in the Materials Today family, focusing on the latest and most impactful work in the materials science community. With a reputation for excellence in news and reviews, the journal has now expanded its coverage to include original research and aims to be at the forefront of the field. We welcome comprehensive articles, short communications, and review articles from established leaders in the rapidly evolving fields of materials science and related disciplines. We strive to provide authors with rigorous peer review, fast publication, and maximum exposure for their work. While we only accept the most significant manuscripts, our speedy evaluation process ensures that there are no unnecessary publication delays.
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