Engineers considering tweaks to Volt’s battery to prevent fire

Engineers at General Motors Co are reportedly making a number of tweaks to reinforce vulnerable sections of the Chevrolet Volt battery pack to eliminate the risk of a fire after a crash.

A Chevrolet Volt’s lithium-ion battery pack caught fire three weeks after the vehicle underwent a crash test in May at a Wisconsin-based NHTSA test facility.

In other two cases, Volt battery packs started smoking and throwing off sparks days after simulated crash tests.

Now, engineers at the No. 1 U. S. automaker are considering a number of tweaks to the Volt battery pack to prevent it from catching fire.

The list of tweaks under consideration includes strengthening vulnerable parts of the battery’s case, laminating circuitry in the Volt’s battery pack, and better protecting the coolant system from leaks in a crash.

A person familiar with investigation into the crash tests that led to fires in the battery packs said that the liquid that cools the Volt’s battery was the likely cause of fires.


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