【Advances in Applied Energy 最新原创论文】迈向更安全的锂离子电池:热失控原因、特征、预警策略综述

学术   2024-12-15 18:30   美国  

原文信息:

Towards a safer lithium-ion batteries: A critical review on cause,characteristics, warning and disposal strategy for thermal runaway

原文链接:

https://www.sciencedirect.com/science/article/pii/S2666792423000252


摘要

       锂离子电池因其优异的电性能和对实现碳中和目标的重要贡献,已成为电池储能系统和电动汽车的最佳选择。随着锂离子电池的大规模应用,锂离子电池引发的安全事故也越来越多。锂离子电池作为电池储能系统和电动汽车的核心部件,约占车辆故障的60%,具有故障扩散快、逃逸时间短、易引发火灾等特点,因此锂离子电池的安全性提升迫在眉睫。本研究从设计、生产、应用等方面分析了锂离子电池失效的原因和机理,研究了锂离子电池的失效特征和热失控预警算法,并基于电池失效机理及其演变提出了中长期-短期分级预警的概念,为失效预警提供依据。由于锂离子电池火灾难以完全避免,因此探索锂离子电池火灾的特点,改进电池结构,开发灭火剂和防火灭火方法。提高电池的安全性是一项系统工程,在化学系统还没有突破的情况下,需要在设计、生产、使用和处置的各个环节进行改进,比如建立一个实用的分级预警系统,以提高电池的安全性,将故障风险降到最低。


更多关于“Lithium Battery”的文章请见:https://www.sciencedirect.com/search?pub=Advances%20in%20Applied%20Energy&cid=777797&qs=lithium%20battery

Abstract

Lithium-ion batteries have become the best choice for battery energy storage systems and electric vehicles due to their excellent electrical performances and important contributions to achieving the carbon-neutral goal. With the large-scale application, safety accidents are increasingly caused by lithium-ion batteries. As the core component for battery energy storage systems and electric vehicles, lithium-ion batteries account for about 60% of vehicular failures and have the characteristics of the rapid spread of failure, short escape time, and easy initiation of fires, so the safety improvement of lithium-ion batteries is urgent. This study analyses the causes and mechanisms of lithium-ion batteries failures from design, production, and application, investigates its failure features and warning algorithms for thermal runaway, and the concept of long-medium-short graded warning is proposed based on the battery failure mechanism and its evolution to provide a basis for failure warning. As lithium-ion batteries fires are difficult to completely avoid, the characteristics of lithium-ion batteries fires are explored to improve battery structure and develop fire extinguishing agents and methods for fire prevention and suppression.Improving the safety of batteries is a systematic project, and at a time when there has been no breakthrough in the chemical system, improvements, such as build a practical graded warning system, are needed in all aspects of design, production, use and disposal to improve battery safety and minimize the risk of failure.


Keywords 

Lithium-ion battery

Fault diagnosis

Graded warning

Fire suppression

Graphics

Fig. 1. The flowchart of framework.

Fig. 2. Model-based RUL prediction framework.

Fig. 3. Data-driven RUL prediction framework.

Fig. 4. Battery temperature-based mid-term warning method.

Fig. 5. Short-term warning characteristics and methods.

作者简介

团队介绍:

本研究由哈尔滨工业大学汽车工程学院、北京理工大学机械工程学院先进储能与应用联合实验室和斯威本科技大学科学计算与工程技术学院的研究人员共同完成。

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