A thin-film printed battery, designed for one-time use after activation by a few drops of water, has minimal environmental impact when it is exhausted. The need for single-use, low-capacity batteries.

Although it's always best to reuse and recycle, many small, simple, low-power electronic devices tend to be single-use. A new paper battery could make them more eco-friendly, as it's activated by ...

A team of researchers has developed a water-activated disposable paper battery. The researchers suggest that it could be used to power a wide range of low-power, single-use disposable electronics -- ...