Hollmén & Co has been developing world leading manufacturing method for Electric Vehicles (EVs) cooling elements manufacturing. Because of popularity of EVs are increasing, there are need for efficient cooling performance for battery technology and On Board Chargers (OBCs). Laser welding provides to our customers flexibility for designing and cost efficient manufacturing method.

Cooling for E-mobility products

  • OBC (On Board Chargers)

  • Inverters

  • Converters

  • Traction

  • Batterys coolers

  • Capacitor modules

Close-up of a pinfin for IGBT / GaN / SiC liquid pinfin cold plate
Close-up of a laser welded e-motor liquid cooled frame
Close-up of laser welded liquid cooled IGBT / GaN / SiC liquid cooled power module frame
Close-up of liquid cooled laser welded inverter housing
Close-up of liquid cooled IGBT / GaN / SiC liquid cooled laser welded power module frame
Close-up of CNC-machined aluminum inverter housing with liquid cooling, laser welded
Close-up of a power semiconductor device, with high-power IGBT and a liquid cooled heatsink, laser welded