Citroen C-ZERO - no local emissions, no fuel consumption, no engine noise
By Jeff Salton
November 15, 2009
After building more than 5,500 electric vehicles, Citroen is calling on its experience in the field to deliver a “triple zero” car - zero fuel consumption, zero CO2 emission at the tailpipe and zero engine noise. The C-ZERO (what else could they call it) is a full electric city car powered by a permanent magnet synchronous motor delivering 47kW or 64bhp EEC from 3,000 to 6,000rpm. Citroen says the automatic vehicle will have a top speed of 130kph (80mph), acceleration from 0-100kph (0-62mph) in 15 seconds and 60-90kph (37-56mph) in six seconds. Between charges, the vehicles is expected to achieve a range of around 130km (80 miles).
Designed with urban mobility in mind, the four-seater compact car is powered by a 330V lithium-ion battery system comprising 88 50Ah cells (for onboard energy of 16kWh), mounted in the center of the vehicle. Lithium-ion batteries keep the weight down compared with conventional technology, while offering equivalent performance.
Citroen says part re-charges won’t have a negative impact on battery longevity which is great for drivers who need a few more miles out of their battery but don’t want to wait at least 30 minutes to get going.
To re-charge the C-ZERO's batteries, drivers plug the supply cord into a 220V socket. A complete charge takes six hours, while an 80 percent charge is possible in just 30 minutes using an external station with a single-phase current of 125A at 400V, for power of up to 50kW.
Citroen says the car is so quiet, when the driver turns the ignition key, a beep is used to confirm that the car is running. The traditional fuel gauge is replaced by a battery charge indicator.
The manufacturers believe the C-ZERO will appeal to public sector operators, local authorities, smaller businesses and company fleets - and also to private customers looking for a car with exceptionally low running costs. Easy to park and navigate with its 2.55m wheelbase, the C-ZERO has a number of comfort and safety features including power steering, ABS, traction control, ESP, electric windows, six airbags and air conditioning. It also has a 166-liter boot.
The C-ZERO has zips around with a maximum torque of 180Nm which is available from 0-2,000rpm. Power is transmitted to the rear axle via a single-speed reduction gear.
Due for launch in the last quarter of 2010, the C-ZERO is developed in collaboration with Mitsubishi Motors Corporation. Citroen is also launching new models shortly, including the new C3 and DS3 models (emitting 99g/km of CO2) that will be available next year and the full hybrid DS5 vehicle which launches in 2011.
Currently, more than 30 percent of Citroens sold emit less than 120g/km of CO2.
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