快速充电锂离子电池的热材料协同作用

IF 18.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Wen-Ke Zhang, Xiao-Guang Yang, Chao-Yang Wang
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引用次数: 0

摘要

高能量锂离子电池(LIBs)的快速充电仍然是一个艰巨的挑战,主要受到锂电镀的限制,这是一种危险的降解模式,低温和厚电极结构加剧了这种模式。防止电镀需要具有高速率电荷转移和离子传输能力的材料;然而,这些材料通常具有较差的热稳定性或电化学稳定性,从而导致固有的活性-稳定性权衡。本文探讨了这一困境的根源,并提出温度──传统上被视为退化压力因素──可以作为一种工具加以利用。我们强调了不对称温度调制如何使短暂的高温操作增强反应动力学,同时限制长期降解,将范式从被动热保护转变为主动热控制。利用这一点,我们提出了一种以快速温度调节为中心的热材料协同策略,并辅以高温弹性设计的材料。这些进展为在不同气候条件下实现高能量电池的安全、可靠和快速充电提供了蓝图。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Thermal–Materials Synergy for Fast-Charging Lithium-Ion Batteries

Thermal–Materials Synergy for Fast-Charging Lithium-Ion Batteries
Fast charging of energy-dense lithium-ion batteries (LIBs) remains a formidable challenge, primarily constrained by lithium plating─a hazardous degradation mode exacerbated by low temperatures and thick electrode architectures. Preventing plating requires materials with high-rate capabilities of charge-transfer and ion-transport; however, such materials often suffer from poor thermal or electrochemical stability, resulting in an inherent activity–stability trade-off. This Perspective examines the origins of this dilemma and proposes that temperature─traditionally viewed as a degradation stressor─can be harnessed as a tool. We highlight how asymmetric temperature modulation enables brief high-temperature operation to enhance reaction kinetics while limiting long-term degradation, shifting the paradigm from passive thermal protection to active thermal control. Leveraging this, we propose a thermal–materials synergistic strategy centered on rapid temperature modulation and complemented by materials designed for high-temperature resilience. These advances offer a blueprint for enabling safe, reliable, and rapid charging of energy-dense cells across diverse climates.
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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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