Construction of Rechargeable Protein Battery from Mixed-Waste Processing of Fish Scales and Chicken Feathers

This study deals with valorization of the protein-rich fish and poultry waste. Since fish scales and chicken feathers are hard-to-degrade by the scavenger microbes, they were hydrolyzed into a source material for construction of rechargeable protein batteries. Both wastes were dissolved in sodium hydroxide (NaOH) solution to form oxidizing and reducing halves of the battery. NaOH not only worked as a hydrolyzing agent but electrolyte for battery...