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The Arpro material from JSP is being used to create battery crash protection enclosures, helping car companies to heed a warning issued by the FIA about the safety of electric vehicles.

The FIA Eurocouncil has called for further investigation into electric vehicle crash safety, with the authors of a report, entitled ‘Towards e-mobility: The challenges ahead’, suggesting that there is very little information regarding crash behaviour.

As with other crash performance applications, the properties of Arpro can help to create a solution.

The material already helps to absorb the energy of collisions in systems for front and rear crash protection, side-impact protection, head-impact protection, knee protection, head whiplash protection and luggage intrusion protection.

Now, Arpro solutions for battery crash protection enclosures are in development with multiple OEMs for both electric vehicles and traditional combustion engine vehicles.

‘Arpro will also protect the battery by insulating against temperature deterioration, making it more likely that active safety systems deploy properly,’ said Paul Compton, JSP’s president and chief executive officer for Europe, the Middle East and Africa.

Car companies know that battery performance is adversely affected by temperature.

Some claims regarding the potential range of electric vehicles depend on ambient temperatures in a very narrow range.

Nominal battery performance is usually specified for working temperatures in the range 20-30C, but performance can deviate substantially if the battery is operated outside this range.

When the temperature drops below the design threshold, the battery becomes much less efficient.

However, if the temperature is too high, the thermal management system has to work very hard (also reducing efficiency) to keep the temperature under control.

‘With Arpro offering thermal stability and crash protection, the advent of electric vehicle projects will inevitably increase the use of battery enclosures and further stimulate interest in passive safety components across the car,’ added Compton.

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