Apr 18, · While we've seen a urine-based battery before, the size and price tag of this latest pee-based MFC is a marked improvement. The batteries themselves cost just Author: Michael Franco.
Sep 06, · When we last looked at pee powered batteries, they were still experimental; now they are on the shelves in AA and AAA sizes in Japan. It can be recharged with a Author: Lloyd Alter.
Aug 15, · Pee-powered battery smaller than a credit card. The urine-powered battery was able to generate a voltage of about volts – with a corresponding power of micro-watts – using just
The prototype battery produced about volts, the same as a standard AA battery, and runs for about 90 minutes. Researchers said the power, voltage, and lifetime of the battery can be improved by adjusting the geometry and materials used. Urine contains many ions (electrically charged atoms), which allows the electricity-producing chemical reaction to take place in the urine battery.