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Some inventions last ... and last. The nickel-iron battery, designed by Thomas Edison in 1900, was used in electric vehicles until the 1920s, and was then used as backup power for railroads and mines ...

A green, rechargeable battery that is suitable for powering electric vehicles and stationary power storage applications, and that would survive tens of thousands of charge cycles in a useful life of ...

Chemistry researchers are hoping to spark a green battery revolution by showing that iron instead of cobalt and nickel can be used as a cathode material in lithium-ion batteries. A collaboration ...