Tuesday, March 29, 2011

Saft Develops New Lithium Ion Modules For Puegeot e-Vivacity electric Scooter

Saft has developed new modules of lithium-ion batteries for Peugeot’ latest scooter, the e-Vivacity.

By integrating two Saft lithium-ion battery modules each developing 1 kWh, Peugeot Scooters has been able to provide its latest model with total power of 3 kW at 6,000rpm and 60 km (37 miles) of range assuming a constant speed of 45 km/h (30 mph). After equipping the 3,000 first generation Peugeot electric scooters, the new Saft batteries take up less than half the space, and weigh less than half as much as their predecessors.

The batteries can be fully recharged at least 1,000 times without any deterioration in their performance. They have been designed to last at least ten years and allow the e-Vivacity to clock up 40,000 km (25,000 miles) and reach the same top speed as equivalent two-wheel vehicles equipped with 50 cm3 combustion engines.

The battery modules designed and manufactured by Saft are equipped with an electronic battery management system developed using the international IEC 61508 standard risk reduction procedure and thereby ensuring an optimal level of safety for the battery system.

A complete recharge requires between five and eight hours depending on whether the vehicle is equipped with one or two chargers; if with two, then 80% of the full charge can be obtained in just three hours. Partial charges do not affect the batteries’ useful life.


Source: Green Car Congress

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