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Application of Laser Welding Technology in New Energy Vehicle Battery Modules

2025/12/05Author:Technology Application CenterTechnical Article
Application of Laser Welding Technology in New Energy Vehicle Battery Modules

Laser Welding Empowers New Energy Battery Manufacturing

With the rapid growth of the new energy vehicle industry, manufacturing requirements for battery packs have become increasingly stringent. Laser welding has emerged as an indispensable key process in battery pack production due to its high precision, minimal heat-affected zone, and seamless automation compatibility.

During the tab welding process, laser welding enables reliable joining of dissimilar copper and aluminum materials, with weld width precisely controlled within 0.1 mm to effectively reduce contact resistance. In the busbar connection stage, the high-speed capability of laser welding reduces the processing time per weld to 1/5 of that required for traditional TIG welding.

Our laser welding equipment has been validated on production lines at leading battery manufacturers, maintaining a welding yield of over 99.2%.

The Sky
Jiangsu Xiaohan Equipment Manufacturing

Specializing in laser welding of metal corrugated hoses, we deliver precision manufacturing solutions for data center liquid cooling, lithium battery industries, and aerospace applications.

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