Log in


madman101 in eco_altrnatives

a new battery to store more electricity

New Energy-Dense Battery Could Enable Long-Distance Electric Cars...

"NATIONAL HARBOR, Md.—A company founded in the Palo Alto public library has taken a dose of government money and technology and turned it into the most energy-dense battery ever. Envia System's new lithium-ion battery packs roughly twice as much energy per gram as present batteries, the company will announce here at the third annual summit of the Advanced Research Projects Agency—Energy, (ARPA–e). 'We achieved 400 watt-hours per kilogram'"... http://www.scientificamerican.com/article.cfm?id=new-energy-dense-battery-could-enable-long-distance-electric-cars