
2012 Infiniti LE Concept
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The four-door, all-electric sedan concept is really a thinly disguised production car that will reach Infiniti dealers within two years.
It gives Nissan's luxury brand its first all-electric vehicle and an entry in the "sustainable luxury" category--when and if that develops.
Leaf underneath
Built on the underpinnings of the Nissan Leaf five-door hatchback, the LE Concept has the same 24-kilowatt-hour lithium-ion battery.
Infiniti stressed the "immediate full-torque response" during acceleration offered by a more powerful electric motor--100 kilowatts (134 horsepower) against the Leaf's 80 kW.
Hitting new heights of hyperbole, the press release says the 240 lb-ft of torque "empowers you, without overpowering you – though the temptation is always there to leave drivers in the next lane behind."
The company gave no performance figures, but said the range would be 100 miles. That's the same figure it gave for the Leaf, rated by the EPA at 73 miles of electric range.
The 2014 Infiniti LE will be built in Nissan's assembly plant in Smyrna, Tennessee, where Leaf assembly will start this December. An adjacent lithium-ion cell fabrication plant will start production in September.
Mid-size luxury lines
The car itself is larger than the Leaf, and at 186 inches long, it's roughly the same length as the Infiniti G sedan. It rides on low-rolling-resistance tires fitted to 19-inch alloy wheels with a wind-resistant design.
As the company boasts, "zero emission does not have to mean small." The LE Concept, it says, is "shaped to maximize its aerodynamic efficiency, yet it doesn’t scream ‘electric vehicle.’"
The smooth, flowing body with a distinctive shoulder line has a drag coefficient of 0.25, according to the company. That's the same figure Toyota quotes for its current Prius hybrid, one of the more aerodynamic volume cars sold today.
With the Infiniti double-arch grille and crescent-shaped roof pillar, the car incorporates traditional Infiniti styling cues--but it is a dedicated electric car, not a converted gasoline sedan. But as a concept, it has a number of features that may not make it all the way into production.
Those include an illuminated Infiniti emblem on the front "grille" (a touch originally used by now-defunct British marque Wolseley), an illuminated "fin spoiler" in the front apron, and blue LED lighting around the car's lower panels.
Violet interior
Inside, the double-wave design theme is lit by soft blue LEDs, and the center console has a ripple pattern with a sculpted palm-shaped drive controller knob for effect.
Instruments are a mix of digital and analog, with a range display that uses a mix of onboard and cloud-based data. The car also maintains a database of charging station locations, including real-time charger availability as that data becomes available.
Seating surfaces are made up of a suede-and-mesh fabric sporting violet accents, with sides of semi-aniline leather. It's likely the only concept car at the show with interior decor of blush violet above light white.
The design and pattern, Infiniti says, is inspired by eniashi, or the collar of a traditional kimono. The quiet electric drivetrain, Infiniti says, provides the "tranquil quietness of a living room,"
Other features include Intelligent Park Assist with 360-degree camera views.
Inductive charging
The LE sedan may also pioneer wireless inductive charging, using a 50-kilowatt DC charging pad on the garage floor encasing a coil connected to the power source. The magnetic field it creates excites current in a second coil within the car.
"All you have to do is park your vehicle over the charging pad," said Infiniti Americas vice president Ben Poore, "with no need to connect cables." And, he noted, it's completely safe for children or pets and can easily be installed in private garages.
It would be the first home-based inductive charging system offered by a major carmaker. While Infiniti is showing this system on the LE concept car, it hasn't committed to offering it in production.
The LE also has a standard J-1772 charging port, and an optional DC Fast Charging port using the same 50-kW CHAdeMO plug as the Leaf does.
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It probably will have the improved HVAC system. The 2013 Leaf's advertised range will most likely be higher.
"Nissan is to improve its electric car model, the Leaf, for 2013, adding leather seats, a darker interior and a more efficient heating system...the new heating system may help the Leaf achieve around 20-25 miles better range in cold weather"
Despite all that, I expect that the battery pack will be physically the same as the LEAF, but with improved chemistry, and will have more power and energy storage. 30kWHr?
As for the car, this is a very nice design that leaves me almost wondering why this wasn't the first EV to come out of Nissan instead of the Leaf?
As for the larger motor, for gasoline cars, larger engines generally means less efficiency at typical throttle positions. I am not sure that electric motors have the same issue.
Also, as we have seen with the Prius C versus Prius, the hatchback shape of the LEAF may actually be less efficient than the LE concept shape. So as long as the weight gain of the LE compared to the LEAF isn't too big, maybe they can achieve the same range. And since the LE is two letters shorter than the LEAF, there will be some weight savings right away.
In any event my understanding is that it wouldn't make a ton of difference unless you are overloading the motor or if you were grossly overpowered.
On the left side there is some sort of "gas" gauge reading 75 miles and 63%. That works out to 120 miles! Cool!
On the right side there is a second "gas" gauge reading empty. Why two gauges for the same function?
There is a larger gauge (left) showing battery temperature. Why do I, as a luxury car buyer, care about the battery temperature? Well, I know, is relates to range. But what am I supposed to do with this information? and should the temperature impact be incorporated into the range gauge.
Finally, what is with the green car with the double headed arrow on it within the speedo?
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