Ultrasonic welding in the battery pack for the Cadillac ELR
Green Car Congress
AUGUST 2, 2013
The vehicle can be completely recharged in about 4.5 (In 1960, Sonobond (then known as Aeroprojects) received the first patent for ultrasonic metal welding.). Charging the ELR’s battery can be done with a 120V electrical outlet or a dedicated 240V charging station. hours using a 240V outlet, depending on the outside temperature.
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