Cadillac Converj Concept

(NOTE: Chinese markets only) From Cadillac Press: General Motors is offering a further glimpse at the potential of electric propulsion, this time in the form of luxury transportation, at Auto China 2010 with the Cadillac Converj concept.

The four-passenger 2010 Cadillac Converj concept’s Voltec technology enables up to 60 kilometers of gas- and emissions-free electric driving with extended-range capability of hundreds of kilometers. The 2010 Cadillac Converj’s Voltec electric propulsion system is made up of a 16-kWh, T-shaped battery, an electric drive unit, and a four-cylinder engine generator. It uses electricity as its primary source to drive the car.

A thermally managed battery pack contains more than 220 lithium-ion cells that provide the primary power to drive the Converj electrically up to 60 kilometers without using fuel or producing tailpipe emissions. The battery is integrated into the Converj’s chassis and stores electricity from the grid when the vehicle is plugged in. It takes less than three hours to recharge the battery at 240 volts, or about eight hours from a 120-volt outlet.

When the battery’s energy is low, the Converj seamlessly switches to extended-range mode: Electricity needed to power the vehicle is created on board by a flex-fuel-powered engine that operates much like a home generator to create electricity. The engine generator ensures a constant supply of power for hundreds of kilometers until the car is refueled or plugged in to recharge the battery. This eliminates the range anxiety that comes with driving pure electric vehicles that offer no backup power when the battery charge is low. Whether in electric or extended-range mode, the Converj is propelled all the time by an electric drive unit. It converts electrical energy from the battery or the engine-generator into mechanical energy to drive the front wheels. It also delivers 273 lb.-ft. (370 Nm) of instant torque, for a quick launch, and 120 kW of power. The top speed is 161 km/h.

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Cadillac Converj Concept