Design optimization of multi-material battery enclosure for electric vehicle

Xiaokai Chen*, Mengqiang Li, Siqi Li, Jiawei Jin, Cheng Zhang

*此作品的通讯作者

科研成果: 书/报告/会议事项章节章节同行评审

3 引用 (Scopus)

摘要

The lightweight design of multi-material power battery enclosure for electric vehicle was presented. The sensitivity analysis method was used to determine the contribution value of each component to the optimal target weight and the first-order natural frequency. Depending on the results of sensitivity analysis, CFRP and aluminum alloy were applied to build the structure of battery enclosure. The CFRP was used for the battery case, and aluminum alloy material for the frame structure. The size of the main bearing structures was optimized. The performance indexes under multiple loading cases, such as the strength, stiffness, first-order natural frequency and weight of the battery enclosure prototype and the multi-material battery enclosure, were compared. The results show that, on the premise of ensuring the bearing characteristics of the battery enclosure, the battery enclosure achieved the weight loss of 48.86%; meanwhile, the first-order natural frequency of it increased to 32.03 Hz.

源语言英语
主期刊名Lecture Notes in Electrical Engineering
出版商Springer Verlag
853-864
页数12
DOI
出版状态已出版 - 2019

出版系列

姓名Lecture Notes in Electrical Engineering
486
ISSN(印刷版)1876-1100
ISSN(电子版)1876-1119

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