What does "Nanophosphate EXT" sound like to you? If you're David Vieau, the CEO of A123 Systems, releasing a PR statement, it's "a game-changing breakthrough that overcomes one of the key limitations of lead acid, standard lithium ion and other advanced batteries." If you're Vieau talking to the New York Times, it's "a hedge against the market for electric vehicles." A123 has had its ups and down recently, losing its main line of credit but also hiring 400 in Michigan. Yesterday's announcement that the company's Nanophosphate EXT, a better lithium-ion technology, can handle "extreme temperatures without requiring thermal management" sure seems like a boon for electric vehicles. A123 supplies the cells for the Fisker Karma and the upcoming all-electric version of the Chevrolet Spark but, as Vieau told the Times, the reality is that plug-in vehicle demand has "been softer than we and everyone else expected." Th...