Thermal runaway in battery testing

A thermal runaway event in a lithium-ion battery can cause the propagation of fire to battery cells sitting in close proximity to one another. This occurrence has been observed in many industries, including transportation, aerospace, and military. Battery test chambers give managers and engineers the opportunity to create a field-like environment for triggering propagation and runaway. For example, a hot Arizona summer or a cold night in Iceland can be recreated in a test chamber. The results of these tests are used to validate the battery assembly’s integrity and assess the need for modification to the structure. In the attached article, Unitemp Director Jack Brown discusses testing for propagation caused by secondary battery thermal runaway.

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