According to ECN, Nissan Motor today previewed its electric vehicle (EV) platform on a Tiida-based prototype. It also showcased a sophisticated EV-IT system developed to support electric driving 24/7.
Newly developed EV platform:
The dedicated EV platform is comprised of a highly rigid body, high-performance motor, compact lithium-ion battery with high power output and energy capacity. The in-house developed electric motor delivers 80kW/280Nm for high response and powerful acceleration. Nissan’s unique motor control also contributes to the vehicle’s seamless acceleration.
The 24kWh laminated compact lithium-ion battery pack is placed under the vehicle floor for more efficient packaging, without compromising cabin or cargo space. The battery layout also allows smooth underfloor air-flow which helps reduce drag. Additionally, the regenerative brake system employed to recharge the battery during deceleration and braking extends the driving range to more than 160km*1 under a full charge.
High durability is achieved by employing an additional frame for the battery pack to significantly improve the rigidity of the platform. The combination of a high rigidity platform and electric powertrain minimizes vibration and external sounds to produce a quiet and pleasing drive.
EV-IT support function:
Nissan has developed an sophisticated IT system for its zero-emission EVs, connecting the vehicle’s on-board transmitting unit to a global data center*2 to support EV driving 24 hours 7 days a week. Usability and convenience for EV driving is achieved via the following...
Maximum range display:
* With a simple touch of a button, the navigation map shows the driving radius within range under the current state of charge.
* The system can calculate if the vehicle is within range of a pre-set destination.
Update on charging stations:
* The navigation system points out the latest information on available charging stations within the current driving range.
* Detailed information for each charging station will also be displayed.
Timer function:
* The timer function enables the air-conditioner or battery charging to begin at a specified time. The air-conditioner can be pre-set while the vehicle is plugged-in to cool the cabin to a desirable temperature before driving begins, without taxing the vehicle’s battery. Meanwhile, the battery charging can be set to start at a specified time at night to benefit from more favorable electricity rates.
EV remote control and monitoring function:
* The driver can monitor the state-of-charge of the EV via an online website and a cellular phone. For example, when the battery is fully charged, a message alert is sent to the cellular phone. Additional remote control functions range from switching the charging system ON/OFF or setting the air-conditioner timer.
To be a leader in zero-emission mobility, Nissan is progressing its development for electric vehicles and the key components. The all-electric vehicle slated for launch in 2010 will have a unique design and body.
Nissan plans to unveil the design of the production EV at its new Global Headquarters Opening in Yokohama on August 2nd. A Nissan Zero-emission Website http://www.nissan-zeroemission.com/) will also go live on Aug. 2nd.
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