Dissimilar Metal Welding Solutions for Power Battery and Energy Storage Battery Structural Parts

With the rapid development of the new energy market, especially the power battery industry, Phohom New Material, a high-tech enterprise that has long been committed to the research, development and production of metal composite materials and provide customised solutions to customers in different industries, has developed many kinds of metal composite materials applicable to power battery and energy storage battery structural parts.

Copper-aluminium composites can solve the dissimilar metal welding of power battery and energy storage battery structural parts. Phohom New Material has introduced copper-aluminium metal composites material with left-right structure, left-middle-right structure, etc. Their excellent performance makes them ideal for battery collector and battery PACK connectors. Their structure design matches the battery poles, busbars and other components, realizing the lightweight and high performance of battery structural parts. The R&D and application of these materials have strongly promoted the rapid development of new energy vehicles and energy storage systems. Through continuous technological innovation and optimisation, Phohom New Material is becoming one of the important material suppliers in the new energy field.

1 Product Characteristics

(1).Cu-Al/Ni bimetallic conductor simplifies the battery integration process and significantly improves the production efficiency;

(2).The material composite interface is uniform and reliable, achieving metallurgical bonding with high connection strength and excellent fatigue resistance;

(3). Greatly reducing the common galvanic coupling corrosion and desoldering problems in conventional dissimilar metal welding;

(4). Achieving the lowest resistance of the composite interface, reducing the PACK internal resistance and heat generation, and further improving battery performance;

(5). Simplifying the bus design, making the PACK / energy storage module design more compact, to achieve the structure of lightweight.

2 Application Fields

（1）New Energy Battery, PACK, Energy Storage Battery Structural Components

In addition to the use in battery structural components, metal composites are also widely used in production facilities for positive/negative electrode materials:

（2）Graphitising Furnace Busbar

（3）Reactor, Stirrer, Heat Exchanger and Other Key Preparation Equipment

Phohom New Material's copper-aluminium composite material has excellent electrical conductivity, which significantly reduces the risk of galvanic coupling corrosion during the metal welding in practical applications, providing a solid guarantee for power battery manufacturers. The application of this material not only improves the production efficiency of power battery, but also enhances the service life and safety, thus supporting the development of new energy automobile industry.