Green Car Congress: Third-generation smart fortwo electric drive to launch worldwide in spring 2012;…

8 Nov 2014 | Author: | Comments Off on Green Car Congress: Third-generation smart fortwo electric drive to launch worldwide in spring 2012;…

16 August 2011

Daimler will introduce the third-generation smart fortwo electric drive beginning in the spring of 2012, with a “five-figure” planned production level. The new generation of EVs will be available in more than 30 markets worldwide.

The new generation marks the first application of battery packs from Deutsche Accumotivethe automotive lithium-ion battery joint venture formed in 2008 by Daimler AG and Evonik Industries AG (earlier post ). (Tesla is providing the battery packs for the second generation.)

The 17.6 kWh pack powers a 55 kW (peak) electric motor from the Daimler-Bosch JV EM-motive GmbH (earlier post ); top speed is more than 120 km/h (75 mph), and range in city traffic is approximately 140 km (87 miles). The new smart fortwo electric drive accelerates from 0 to 100 km/h in less than 13 seconds.

The first generation of smart electric drive vehicles went into a test fleet deployed in London in 2007. The second generation was introduced in 2009 to 18 markets. The objective of the second generation, Daimler said, was to gather as much experience as possible about how customers use and charge electric vehicles.

Demand exceeded the company’s expectations; instead of the planned 1,000 vehicles, more than 2,000 smart fortwo electric drives are being produced.

A higher top speed and better acceleration at speeds above 60 km/h were at the top of the customers’ list of priorities for future versions, Daimler said. Contrary to prevailing opinion, the range wasn’t the crucial point from the perspective of the test customers. The vast majority of users confirmed the results of surveys which say that people drive approximately 30 to 40 kilometers (19 to 25 miles) per day on average in urban areas.

The new 55 kW motorthe first product from EM-motivedelivers torque of 130 N·m (96 lb-ft), enabling the speedier acceleration. With the higher top speed of more than 120 km/h, the battery-electric two-seater is on a par with the combustion-engined smart.

A full charge of the pack takes a maximum of eight hours at a household socket; a quick-charging function is as option. The 22 kW on-board charger enables a completely empty battery to be fully charged in less than an hour. A power cable is needed for this which is used to connect the vehicle to a public quick-charging station or a wallbox at home or work.

Comparison of 2 nd and 3 rd generations of smart fortwo electric drive

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