New Battery Could Power Electric Cars 620 Miles on Single Charge

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To do so, they got rid of the housings that encase individual batteries and turned to a thin, sheet-like design instead of a cylinder. Their metallic sheet is coated with an energy-storage material made from powdered ceramic mixed with a polymer binder. One side serves as the cathode, and other side serves as the anode.The researchers stacked several of these so-called bipolar electrodes one on top of the other, like sheets of paper in a ream, separating the electrodes by thin layers of electrolyte and a material that prevents electrical charges from shorting out the whole system.The “ream” is sealed within a package measuring about 10 square feet (1square meter), and contacts on the top and bottom connect to the car’s electrical system.The goal is to build a battery system that fits in the same space as the one used by Tesla’s vehicles or other electric vehicles, the researchers said.”We can put more electrodes storing the energy in the same space,” Wolter said.She added that the researchers aim to have such a system ready to test in cars by 2020.

Source: New Battery Could Power Electric Cars 620 Miles on Single Charge

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