Research on the Performance of Power Batteries in High – temperature and High – humidity Environments

3rd International Conference on Chemo and BioInformatics, Kragujevac, September 25-26. 2025. (pp. 223-238) 

 

АУТОР(И) / AUTHOR(S): Qiying Wang, Ji Qing, Xinyue Zheng, Dongxu Li

 

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DOI:  10.46793/ICCBIKG25.223W

САЖЕТАК / ABSTRACT:

With the continuous rise in the market penetration rate of new energy vehicles (NEVs), application scenarios under high-temperature and high-humidity environmental conditions have increased significantly. As the core energy storage unit of NEVs, power batteries face severe challenges in performance under complex climatic conditions. This study employs environmental simulation experiments to systematically investigate the mechanism by which high-temperature and high-humidity environments affect power battery performance.Experimental results demonstrate that under such conditions, power batteries exhibit surface electrochemical corrosion, abnormal fluctuations in voltage and internal resistance, and rapid capacity degradation. At the microstructural level, these phenomena are characterized by the shrinkage of interplanar spacing in the carbon crystal layer, fragmentation of positive/negative active material particles, and compromised structural integrity. The experimental data reveal that high- temperature and high-humidity environments accelerate the progression of side reactions within the battery, significantly shortening its cycle life.This research provides critical data support for formulating optimization strategies for power battery environmental adaptability and refining storage and usage specifications.

КЉУЧНЕ РЕЧИ / KEYWORDS:

Power Batteries, High – temperature and High – humidity Environments, Battery Performance

ПРОЈЕКАТ / ACKNOWLEDGEMENT:

This research is funded by Natural Science Foundation of Zhejiang Province (LQN25E070004), the General Project of the Zhejiang Provincial Department of Education (Y202351607).

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