Effect of welding conditions on the deformation of lithium battery pack of aluminum alloys-Reference-Cited by-同舟云学术

Effect of welding conditions on the deformation of lithium battery pack of aluminum alloys

Published:2022-11-27 Issue: Volume: Page:095440702211381
ISSN:0954-4070
Container-title:Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

Author:

Luo Cheng¹^ORCID,Sun Haitao²,Huang Qilin¹,Ma Zunnong¹,Zhang Yansong¹

Affiliation:

1. Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structure, Shanghai Jiao Tong University, Shanghai, P.R. China

2. SAIC Volkswagen Automotive Co., Ltd., Shanghai, P.R. China

Abstract

Lithium battery pack, made of aluminum alloys, consisted of hundreds of welding seams. Due to the complicate distribution of welding seam and low stiffness of aluminum alloys, large welding deformation was found in the lithium battery pack. This paper analyzed the effect of welding parameters and the welding sequences on the deformation of lithium battery pack, then proposed a method to reduce the welding deformation of lithium battery pack maintaining the welding quality of single weld seam of aluminum alloys. By the coupling optimization of welding sequences and welding parameters, the welding deformation of lithium battery pack decreased from 1.69 to 1.29 mm with the reducing rate of 23.7% and hundreds of welding seams contours met the requirements of manufacturing quality. These findings could pave the way to improve the manufacturing quality of lithium battery pack made of aluminum alloys.

Funder

High-Tech Ship Scientific Research Project of MIIT

Shanghai Science and Technology Innovation Action Plan

Marine Equipment Forward-looking Innovation Project

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/09544070221138178

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