Bio-Battery Research or Cow Dung Battery Research

This research is undertaken to produce renewable energy. In this research, cow dung, salt or lime and old dry cell were used as raw materials. First, cow dung and common salt are mixed. Then an old dry cell is placed in the mixture. A carbon rod is used as positive electrode and a zinc cup, as negative electrode. A mixture of 200 g cow dung, 200 g salt and one old dry cell produced a maximum output voltage of 1.38 V and maximum power of 80 mW.