The London 2012 cable car carrying passengers over the Thames cost US$70 million, making it the most expensive built.
The cabins, built by Swiss CWA, will use Maxwell Technologies’ ultracapacitors for the power supply and energy management on board. The cars only charge at the end of the line, so this must be done in seconds. Two 48V ultracapacitor-modules units mounted on top of each car power the five-minute journey.
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The benefits of using supercapacitors alongside traction batteries— lead-acid and lithium-ion— have been known for a long while.
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