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Saturday, April 21, 2012
Automakers could slash costs of electric cars by the 2015 model year with a battery chemistry breakthrough from the IBM tech company using its air battery.
In theory, this air battery's energy density can be much higher because the cathode is replaced by the atmosphere!
Found online: "At present, the world biggest grid scale battery is a bank of nickel cadmium cells in Fairbanks, Alaska, which can produce up to 52 MW of emergency backup power for about 15 minutes."
Also found online...
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Envia Systems claims its breakthrough boosts lithium-ion battery density from a current level in the 110-140 watt-hours/kilogram range to well past 400 watt-hours/kilogram (Wh/kg).
Keywords battery energy density, batteries, cell chemistry, battery chemistry, battery chemistries, anode, cathode, electrolyte, separator, energy cells,,evolution, lithium, lithium ion, nicad, nimh, lead acid, redox, reduction, oxidation, technology, periodic table, groups, periods
"The Tesla Roadster
California-based Tesla Motors unveiled its electric-powered roadster at an event in Los Angeles yesterday. The 240-horsepower, battery-powered sports car goes from 0 to 60 in about four seconds, has a top speed of around 130mph, and COSTS A PENNY A MILE to drive, according to Tesla executives. This venture began in 2000, when Elon Musk, PayPal founder and chairman of Tesla Motors, approached an electric car company with the idea of creating an electric sports car."
Sony 1800 kW/kg
the IBM Air Battery is one of the potential winners in battery energy density breakthrough efficiency evolution