Ultrasonic welding in the battery pack for the Cadillac ELR
Green Car Congress
AUGUST 2, 2013
kWh battery pack in the new Cadillac ELR extended-range electric luxury coupe that goes on sale in North America in early 2014 ( earlier post ). GM is using ultrasonic welding in the 16.5 foot-long (1.6 m), 435-pound (198 kg) pack supplies energy to an advanced electric drive unit capable of 295 lb-ft of torque (400 N·m).
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