...I heard a very interesting story on "Market Place" (public radio) in the car tonight. It was about the development of a 3D battery technology that will last 2-3 longer and charge many, many times faster for the same size. Will be revolutionary if they can pull it off. (Dr. Prieto, Colorado State University)http://www.marketplace.org/topics/sustainability/scientific-...This link has a summary of the radio story, but if you can find the audio there is more detail. Batteries today are 2D - one layer on top of another, then maybe rolled up in to a typical battery shape. 3D is like a "sponge" or lattice where the ions/charge can travel much more quickly and easily (= fast charge). And now she has a working prototype of what she calls a three-dimensional battery, with a core of copper foam."It's just like a sponge, you could think about," says Prieto. "Then we paint all the inside spaces with the different materials that you need for the battery. So the ions can go in many different directions, but they don't have to go very far. So, that's what I mean by a three-dimensional battery."...In a car, her battery could take you 300 miles, and then recharge in less than 10 minutes. She said one of her goals was to create a battery that had none of the toxic chemicals in current batteries (like in Lithium Ion). Another goal was to use only non-expensive materials (I think that means no rare earth metals, gold, silver). Their new startup company.http://prietobattery.com/mt.htmA story on a different approach..http://www.wired.co.uk/news/archive/2011-03/21/3d-nano-batte...This is the fundamental research that will make electric cars and energy storage feasible and let us crush countries like China that just produce things cheaply. Much better use of tax money than subsidizing VoltsP.
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