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A6L - e-tron concept from China

Posted on Monday, April 23, 2012 @ 12:09:20 BST by audioc

Audi has unveiled 3 concepts at Beijing; and this one is squarely aimed at the Chinese market.

Audi A6L e-tron concept

Audi is presenting its first luxury-class e-tron concept car – a technology "study" known as the Audi A6 L e-tron concept.
This provides a driving range purely on batteries of just under 50 miles, and is aimed squarely at the Chinese market.
The basis for this study is the new A6 L (long), the most successful premium car and Audi’s best selling model in China, which is produced at the Changchun plant in a joint venture with FAW.

The technology study is a parallel hybrid. It combining a 2.0 TFSI engine that produces 211 hp with an electric motor producing 95 hp peak power. Audi A6L e-tron
The batteries are liquid-cooled lithium-ion, which are located in a collision-protected space at the rear of the vehicle. In electric mode, the concept can travel up to 49.71 miles at a constant speed of 37.28 mph. At any given moment, the hybrid control module chooses the best suited operating mode with the focus on driving range. It is capable of being powered by either the engine, battery power or in hybrid mode. When utilising the engine to power the car, it can recover energy during deceleration, or it can boost output power for strong acceleration by combining the two drives.
The advance in urbanization and the associated need to reduce CO2 emissions are a key determining factor for new drive technologies. Audi views electric mobility as a key future technology and is working on highly efficient solutions that simultaneously offer the customer a typical Audi driving experience, having already launched electrified drive systems in volume production with the Q5 hybrid quattro, A6 hybrid and A8 hybrid- although their range is limited, and can only drive up to 1.86 miles on electric power.
The next step is to implement drive systems in which electric power is the primary focus. The term Audi e-tron refers to technologies ranging from PHEV (Plug-in Hybrid Electric Vehicle) to range extenders and finally vehicles powered purely by electric batteries or fuel cells.
In its first Audi e-tron concept car, Audi already showed how this future might look. And in the case of the R8 e-tron, this vision will be realized in a short production run later this year.
Audi A6L e-tronAudi is using A1 e-tron and A3 e-tron test vehicles to acquire important customer feedback, which can be incorporated in later production cars - the A3 e-tron is due in 2014.
The Audi A6 L e-tron concept has a 3.01 meter (9.88 feet) wheelbase, is 5.02 meters (16.47 feet) long and 1.87 meters (6.14 feet) wide, but only 1.46 meters (4.79 feet) tall.
The car’s exterior differs from the production car, with a single-frame grille with its slender cross-bars and the nearly covered air intakes attract the eye – both features are typical of all e-tron models. This concept comes equipped with 21-inch wheels in e-tron design and the special rear diffuser.
The body of the A6 L e-tron concept is identical to that of the Audi A6 L. It is lightweight, consisting of approximately ten percent aluminum, weighing about 15% less than a comparable all-steel design.
Each new future Audi model will be lighter in weight than the previous model. This will be achieved by developers intelligently use new combinations of materials, including carbon fiber-reinforced polymer (CFRP).
Suspension has hydraulically damping axle and drive mounts to reduce noise, along with links made of aluminum. The power steering, brake booster and the air conditioning Audi A6 e-troncompressor utilise an electromechanical drive.
At the limits of performance in driving through curves, the electronic transverse differential lock – a function of electronic stabilization control (ESC) – stabilizes the Audi A6 L e-tron concept by making small interventions at the front wheel on the outside of the curve.
All of the interior materials have been carefully selected and worked into the design with intuitive controls. A powermeter replaces the tachometer; its pointer indicates total drive system power on a scale of zero to 100%. Colored segments indicate the current operating state of the A6 L e-tron concept; an auxiliary instrument visualizes the charge state of the lithium-ion battery.
 

 

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