Custom Stamped Aluminum Liquid Cooling Plate with Continuous Brazing for Energy Storage & IGBT Thermal Management

Trumony specializes in high-volume production of stamped aluminum liquid cooling plates, utilizing advanced continuous brazing technology. Our plates are engineered for critical thermal management in electric vehicle battery packs, grid-scale energy storage systems, and high-power IGBT modules. By leveraging precision stamping and automated continuous braze furnaces, we achieve exceptional channel consistency, weld integrity, and cost efficiency at scale. As a factory-direct supplier, we offer complete one-stop service from concept design and prototyping to mass production and testing. Whether your project demands thousands or millions of units, our liquid cooling plates deliver the reliability and performance your application requires.

· High-rate charging and discharging generate intense, localized heat that passive cooling simply cannot dissipate.
· Uneven temperature distribution across cells or IGBT substrates creates hot spots that accelerate aging and compromise safety.
· In mass production scenarios, inconsistent cooling plate quality — leaks, channel blockage, poor flatness — leads to costly field failures and warranty claims.
· Scaling from prototype to production with traditional machining methods becomes prohibitively expensive and slow.

The market demands a liquid cooling solution that combines high thermal performance with repeatable manufacturing quality and competitive pricing. This is where our stamped and continuous-brazed cold plates outperform alternatives.

Solution: Stamped Cold Plates with Continuous Brazing

Trumony's core manufacturing approach solves these problems through two key technologies:

Precision Stamping forms the coolant channel geometry by pressing aluminum sheet into precisely shaped dies. This method creates smooth, burr-free flow paths with excellent dimensional repeatability — critical for uniform thermal performance across every single plate in a production batch. Stamping also allows complex channel patterns, including multi-parallel and dimpled designs that enhance turbulence and heat transfer, without the cost and time penalties of CNC machining every part.

Continuous Brazing joins the stamped plate to its cover in a controlled-atmosphere furnace that moves parts through on a conveyor. Unlike batch vacuum brazing, continuous brazing delivers higher throughput, uniform joint quality along the entire plate, and consistently low leak rates. The result: a robust, hermetic seal trusted by automotive and energy storage manufacturers worldwide.

Combined, these processes give you a liquid cooling plate that performs flawlessly under pressure and thermal cycling — with the production capacity to support your ramp-up.Specifications

1. Battery Energy Storage Systems (BESS)
   From residential 48V stacks to utility-scale containerized storage, our liquid cooling plates maintain cell temperatures within the ideal 20–35°C window. They prevent thermal runaway propagation in densely packed 52S or similar high-voltage modules, ensuring long cycle life and safety compliance for the North American and Asian grid storage markets.
2. Electric Vehicle Battery Packs
   Designed for passenger EV packs, commercial vehicle batteries, and two/three-wheeler swappable packs. Our plates deliver the necessary cooling for fast-charging Li-ion cells, keeping inter-cell temperature difference well under 2°C to guarantee range, power, and 8-year warranties.
3. IGBT & Power Module Cooling
   For traction inverters, industrial motor drives, wind turbine converters, and UPS systems. Our cold plates manage concentrated heat fluxes exceeding 100 W/cm², enabling compact IGBT stacks to run reliably without derating.
4. Other High-Heat-Flux Electronics
   Server CPU/GPU liquid cooling, laser diode arrays, and medical imaging equipment where precise temperature control is critical.

Liquid cooling plates work on a simple but highly effective principle: a coolant fluid, typically a water-glycol mixture, is circulated through an internal network of channels machined directly into an aluminum plate. As the fluid passes through these channels, it absorbs heat conducted from the heat source mounted on the plate's surface — be it battery cells, an IGBT baseplate, or a DC-DC converter. The heated fluid is then pumped out to an external heat exchanger (radiator or chiller), where it releases the heat into the ambient environment. The cooled fluid recirculates back into the cold plate in a closed loop. Unlike air cooling, liquid’s significantly higher thermal capacity and density enable it to remove far more heat with a smaller footprint and at a lower acoustic noise level. Trumony’s optimized internal channel geometries — whether serpentine, parallel, or pin-fin — are designed using computational fluid dynamics (CFD) to balance heat transfer efficiency and pressure drop, ensuring your pump system doesn’t work harder than necessary.

Selecting the right liquid cooling plate is critical to system performance. Work with our engineers by considering these factors:

1. Heat Load (W): Calculate the total amount of heat your battery pack or IGBT generates. This determines the required plate size and coolant flow rate.
2. Temperature Uniformity Needs: For batteries, specify the maximum allowed temperature difference between the hottest and coolest cell. We will design the flow path to meet it.
3. Space & Integration Constraints: Share your 3D model or dimensional drawing. Our design team will nest the cold plate into your available volume and position inlet/outlet fittings for a perfect mechanical fit.
4. Coolant System Parameters: Tell us your system’s available pump pressure and flow rate. We optimize the internal channel design for low pressure drop to reduce pump energy consumption.
5. Environmental & Compatibility Factors: Choose surface treatment (e.g., electroless nickel plating for corrosion resistance, hard anodizing for electrical insulation) based on your coolant chemistry and operating environment.
6. Volume & Certification Needs: Confirm your projected annual quantities and target market certifications. As a factory, we guide you to the most cost-effective manufacturing method and ensure full compliance.

Simply send us your requirements; our one-stop service team returns a detailed proposal including CFD simulation results, a 3D printable prototype sample, and a mass production plan — all within an industry-leading timeline.