Battery Powered Carbon Fiber Convert DC 
Green Car Congress
NOVEMBER 20, 2014
kWh lithium-ion battery pack (from the Jetta Hybrid), which stores the kinetic energy recovered from regenerative braking; assists in the starting phase of the fuel cell; and adds a dynamic boost to the maximum acceleration of the Golf SportWagen. The fuel cell and battery power an electric motor adapted from the e-Golf.
Green Car Congress
JUNE 24, 2013
The XL1 is aggressively optimized for efficiency in all areas of its design and technology—from materials (carbon fiber reinforced polymer monocoque); to powertrain (0.8L kWh lithium-ion battery—integrated in the front section of the XL1—supplies the electric motor with 220 volts of electrical energy.
Green Car Congress
MAY 16, 2013
Like the race engine of the RS Spyder, the 918 Spyder power unit features dry-sump lubrication with a separate oil tank and oil extraction. To save weight, components such as the oil tank, the air filter box integrated into the subframe and the air induction are made of carbon fiber reinforced polymer. Five operating modes.
Green Car Congress
NOVEMBER 20, 2014
On battery power, the Audi A7 Sportback h-tron quattro covers as much as 50 kilometers (31.1 The battery operates at a different voltage level than the fuel cell; hence, there is a DC converter (DC/AC) between the two components—this tri-port converter is located behind the stack.
Green Car Congress
NOVEMBER 17, 2015
Even then, these batteries still possess a large portion of their nominal capacity—too high for them to be recycled. Under a venture with the motto “From Road to Grid”, Audi is therefore currently working on a concept to convert old batteries into stationary energy stores. mi)—would take around 50 minutes.
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