A paper battery with water switch (IMAGE)

Swiss Federal Laboratories for Materials Science and Technology (EMPA)

A paper battery with water switch

Caption

The paper battery is composed of two electrochemical cells – at both ends of the paper strip – separated by a water barrier (between the letters "m" and "p") and connected in series.

Credit

Empa

Usage Restrictions

Credit: Empa

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.