Battery Busbar Welding

Battery Busbar Welding

For all battery cell technologies, whether cylindrical, prismatic, or pouch, conductive busbars are used to connect individual cells into modules. Laser welding enables the creation of busbar-to-cell connections that meet critically important electrical performance requirements while also offering unmatched production speed, reliability, and ease of automation.
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Learn how we combine laser expertise with battery welding know-how to build laser solutions for global EV and battery manufacturers.

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Laser Processing Provides Unique Benefits for EV Manufacturers

The Fastest Module Busbar Welding

Laser welding is capable of making more busbar-to-terminal welds per second than any other metal joining process, enabling manufacturers to dramatically increase module throughput.

Ultra-Consistent Welding Results

Laser welding is a non-degrading, non-contact process that produces consistent, high-quality welds across millions of busbar-to-terminal connections.

Highly Flexible Weld Joint Design

Laser parameters can be easily adjusted to match changing module production requirements such as weld size, shape, and pattern with no mechanical changes required.

Five Key Laser Welding Advantages for Battery Modules

High-Speed Production Process 

High-Speed Production Process

The unmatched capabilities of IPG lasers, combined with systems designed specifically for battery module production, enables welding that is high-speed, high-quality, and with low heat input into sensitive components.

Spatter & Porosity Virtually Eliminated

 

Spatter & Porosity Virtually Eliminated

Weld spatter and porosity that can reduce busbar performance are virtually eliminated by dual-beam technology that allows for high welding speeds without compromising weld quality.

Extended Process Window

 

Extended Process Window

IPG dual-beam technology has a wider selection of laser configurations than alternative technologies, allowing for greater process optimization and reduced sensitivity to variations in cell and busbar height.

Easy Dissimilar Material Welding

 

Dissimilar Material Welding Made Easy

Single-mode lasers use high power density to easily join the dissimilar materials used in busbars and cell electrodes like copper, aluminum, and nickel-coated steels with minimal heat input.

Real-Time Weld Measurement

 

Real-Time Weld Measurement

IPG patented weld measurement technology provides highly accurate, non-destructive weld measurements on each weld as it is performed for 100% quality assurance of busbar-to-cell connections with no additional cycle time.

Discover Your Busbar Laser Welding Solution

IPG partners with E-Mobility manufacturers throughout the entire production process from research and development to full-scale manufacturing.

Ready to get started? Send us a sample for evaluation or your product specifications and our laser experts will recommend a laser solution that best matches your application.

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Solutions for Other E-Mobility Applications

Li-ion Cell Manufacturing

Li-ion Cell Manufacturing

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Battery Packs & Trays

Battery Packs & Trays

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Electric Motors

Electric Motors

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Electronic Components

Power Electronics

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How Can We Help?

Whether you have a project in mind or just want to learn more about laser technologies and solutions for busbar welding, an IPG laser expert is ready to help.