A microscopic layer of nickel can cut the cost of electric car batteries by two thirds
Engineers have discovered that applying a microscopic layer of nickel to steel can slash electric vehicle battery costs by two thirds while simultaneously reducing weight and enhancing electrical conductivity.
Switching from traditional copper foils to nickel-plated steel sheets is transforming the affordability of electric vehicles. By electroplating a layer of nickel just 0.5 to 2 micrometers thick onto steel, manufacturers can reduce material costs from nearly twenty dollars per kilogram to under five dollars.
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