EV Battery Production and Development

Battery Cooling System Quality Control

In the induction process, the battery housing is heated to approx. 176°F, then the cooling is bonded, checked and leak tested.
The leak test can only cover a temperature delta of a maximum of 50 °F (test item temperature – room temperature). The cooling system is controlled by an optris infrared camera and a pyrometer, cooling the component to a temperature delta of 32…41 °F. (PI 400i, CT LT)

Global Lithium-Ion Battery Production

Source: https://energycentral.com/c/ec/world-battery-production

Integration of Cells to Modules

Temperature measuring after every step


  • Shiny surfaces (reflection)
  • No measurement

Solution measuring temperature:

  • at the non reflective label
  • at insulation of power connectors (anode, cathode)

Small insulators resulting in small measurement area (high resolution camera PI 640)

Detection of Short Circuits

  • Automated alarm after detection
  • Detection of defect cells and packs

Thermal imaging cameras monitor the first charging process of batteries. These provide an insight into the temperature distribution and possible short circuits. The hot-spot detection feature automatically recognizes and outputs deviations from the target temperature. The compact PI series cameras can be integrated quickly and easily into existing environments.

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Contact for Advice and Sales Worldwide

We offer comprehensive advice for your individual applications

Our experienced application engineers ensure competent and reliable customer service in the field. In addition, Optris works closely with numerous distribution partners worldwide.

USA and Canada

Optris Infrared Sensing LLC
Portsmouth, NH 03801 USA

Tel: +1 603 766-6060
E-Mail: sales@optris-ir.com
Internet: www.optris.com

Managing Director:
Paul Czerepuszko

Worldwide central number
+1 603 766-6060