Crop?image_url=http%3a%2f%2fs3.amazonaws.com%2fproduction.calumet.good.is%2fphotos%2f185070%2foriginal%2fnew-paintable-battery_1

Spray-On Battery Could Convert Any Object into Electricity Storage

these researchers at Rice University and in Belgium applied battery paint to bathroom tiles, glass, stainless steel and even the side of a beer stein, and each one worked. It still can’t be exposed to oxygen, but once the invention is marketable, scientists hope it will store solar energy