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

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