Exploring the electrochemical and mechanical properties of lithium-ion batteries in salt spray environments

IF 15 1区 工程技术 Q1 ENERGY & FUELS Etransportation Pub Date : 2024-03-01 DOI:10.1016/j.etran.2024.100324
Jiaying Chen , Binqi Li , Jianping Li , You Gao , Zhiwei Hao , Lubing Wang
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Abstract

With the pressing need to expedite the transition toward a greener marine industry, energy-efficient and eco-friendly lithium-ion batteries (LIBs) are increasingly favored. However, compared to land applications, marine environments pose unique challenges to the utilization of LIBs, thereby necessitating targeted safety measures. In this study, prismatic LIBs (PLIBs) are subjected to standard salt spray tests to emulate marine environments, and the resultant morphological changes and external voltage response of the batteries under the corrosion behavior are analyzed. Subsequently, the impacts of the salt spray environment on the electrochemical performance of PLIBs are assessed through a range of characterization techniques including scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS), and charge-discharge test. Finally, quasi-static ball indentation tests are carried out on the corroded batteries to study the behaviors under mechanical abusive loading scenarios. Results reveal that the most prominent effect of the salt spray environment on the batteries is the occurrence of swelling, attributable to the imperfect sealing of the battery tabs. This study represents an innovative exploration of the viability of LIBs in the marine environments, providing fundamental theoretical guidance for early detection of battery corrosion and collision risks, as well as facilitating protective design considerations.

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探索盐雾环境下锂离子电池的电化学和机械特性
随着加快向绿色海洋产业转型的迫切需要,高能效、环保型锂离子电池(LIB)越来越受到青睐。然而,与陆地应用相比,海洋环境给锂离子电池的使用带来了独特的挑战,因此必须采取有针对性的安全措施。在本研究中,对棱柱形锂离子电池(PLIBs)进行了标准盐雾试验,以模拟海洋环境,并分析了腐蚀行为下电池的形态变化和外部电压响应。随后,通过一系列表征技术,包括扫描电子显微镜(SEM)、电化学阻抗光谱(EIS)和充放电测试,评估了盐雾环境对 PLIB 电化学性能的影响。最后,还对腐蚀电池进行了准静态球压痕测试,以研究其在机械滥用加载情况下的行为。结果表明,盐雾环境对电池最突出的影响是发生膨胀,这归因于电池片的密封不完善。这项研究对锂电池在海洋环境中的可行性进行了创新性探索,为早期检测电池腐蚀和碰撞风险提供了基本理论指导,并有助于保护性设计方面的考虑。
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来源期刊
Etransportation
Etransportation Engineering-Automotive Engineering
CiteScore
19.80
自引率
12.60%
发文量
57
审稿时长
39 days
期刊介绍: eTransportation is a scholarly journal that aims to advance knowledge in the field of electric transportation. It focuses on all modes of transportation that utilize electricity as their primary source of energy, including electric vehicles, trains, ships, and aircraft. The journal covers all stages of research, development, and testing of new technologies, systems, and devices related to electrical transportation. The journal welcomes the use of simulation and analysis tools at the system, transport, or device level. Its primary emphasis is on the study of the electrical and electronic aspects of transportation systems. However, it also considers research on mechanical parts or subsystems of vehicles if there is a clear interaction with electrical or electronic equipment. Please note that this journal excludes other aspects such as sociological, political, regulatory, or environmental factors from its scope.
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