Porsche 911 Turbo or Electric Car Eliica?

17 мая 2014 | Author: | Комментарии к записи Porsche 911 Turbo or Electric Car Eliica? отключены
Eliica (Electric Lithium-Ion Car)

Porsche 911 Turbo or Electric Car

by Stuart Burns on February 9,

Two of the (several) fundamental problems of all cars is they have range and are generally slow if you want to optimize the limited Accepted the technology is at an early although electric motors been in use for a hundred years or the lithium battery technologies been in development first for appliances and more recently for realistically for some 15-20 They will get better but as a Times article observes follow the rules of chemistry than the rules of physics have allowed computer power to double every two It has taken almost 15 years for the of consumer lithium-ion batteries to A kilogram (2.2lbs) of gasoline about 13,000 watt-hours of energy of which an internal engine might capture 4,500 watt-hours.

But a kilogram of today s lithium-ion stores only 100 watt-hours of Cost apart, for the same of energy, today s lithium-ion are 45 times heavier (and 16 bigger) than gasoline if lithium-ion makes rapid the theoretical upper limit on the is between 400-500 watt-hours per kg only a 10th of petrol and the limit is likely to be much

So electric car manufacturers are faced two (among many) challenges. they have to develop capable of storing, releasing and recharging much greater of power that is largely a for battery manufacturers and they are millions into research. The is making the most of what is produced by the batteries available.

Eliica (Electric Lithium-Ion Car)

And is where an interesting project in is showing the way.

SIM-Drive In-Wheel Motor-Drive) a company set up Toyo s Keio University and a of investors including 34 car (including and Isuzu) and electric power to develop the ideas of Hiroshi the professor in charge of the research at and now CEO of the company. As the company name the direction of SIM-Drive s research is in electric motors that drive each wheel than the conventional approach, is to merely replace the gas engine an electric motor and largely through existing drive  Each wheel has its own dedicated motor mounted adjacent to the and controlled electronically rather mechanically. Eliminating the conventional system saves huge of power otherwise lost by shafts and mechanical joints SIM-Drive s approach 30-50% efficient than other cars according to this by the Financial Times .

Living up to its futuristic looks the car, called the Eliica for Electric Lithium-Ion battery has two significant differences for the user from a conventional electric First, because there is no or rear mounted motor and system all the batteries, motors and are mounted within the chassis the center of gravity very low for handling) and freeing up everything the chassis for the passenger cell and As a result, cars could fundamentally different with the more restrained by public then the limits of no holds design options. The second certainly in the case of the Eliica, is in to an exceptional (for electric 300 kms (180 mile) range is the

According to Autoexpress.com the car is blisteringly in fact faster than a 911 Turbo with the 8 x 100bhp motors capable of accelerating the car 0-60mph in 4.1 seconds and 0-100mph in 7 in almost total silence.

Top speed is 370kph or 230mph in of a prototype vehicle weight of 2.4 metric tons (5300lbs). models would be lighter and certainly optimized for range, cost and a wider sales than the technology development that Eliica represents. believes that with the of a major car company bringing production techniques and economies of they could produce a wheel version for five and with a 180 mile range for plus the cost of the battery, would probably be leased.

Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)
Eliica (Electric Lithium-Ion Car)

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