A disposable paper battery that can be activated by water

A disposable paper battery that can be activated by water

Empa researchers have developed a water-activated disposable paper battery. It could power a wide range of low-power, single-use electronic devices, such as smart tags or environmental sensors. The battery, designed by Gustav Nyström and his team, consists of at least one cell measuring one square centimeter and composed of three inks printed on a rectangular …

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