Electric power supply devices which convert biological energy, such as chemical energy of metabolism or mechanical energy of periodic movements, into electrical energy.

Synonyms: Microbial Fuel Cells, Biobattery, Biobatteries, Biofuel Cells, Bioelectric Energy Sources, Biofuel Cell, Cells, Microbial Fuel, Fuel Cells, Microbial, Cell, Microbial Fuel, Energy Sources, Bioelectric, Power Source, Bioelectric, Bioelectric Power Source, Fuel Cell, Microbial, Sources, Bioelectric Energy, Sources, Bioelectric Power, Bioelectric Energy Source, Power Sources, Bioelectric, Source, Bioelectric Power, Cells, Biofuel, Microbial Fuel Cell, Energy Source, Bioelectric, Cell, Biofuel, Bioelectric Power Sources, Source, Bioelectric Energy