Rolls-Royce 102EX undergoing heat tests for world tour

Rolls-Royce Motor Cars for 102EX battery pack its Phantom Experimental Electric prototype to the MIRA1 research facility in Warwickshire this week for a series of laboratory-controlled temperature tests at the Festival of Speed (FoS-TECH) this weekend.

“The tests have furnished us with important data about the effects of heat and humidity on 102EX’s battery and management systems,” commented Andrew Martin, 102EX chief engineer. “For example we are clear that the battery management system, which maintains safety and optimal operation of individual cells, will inhibit charging at extreme temperatures. Practically speaking, this may mean finding locations in which the car’s cells can cool after test drives before a re-charge can begin.”

In general, the car’s 96 cells will continue to operate at temperatures as high as 500C and in relative humidity as low as 30%. This is well within temperature ranges expected while on tour.

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