High-performance non-enzymatic biofuel cells based on an organic copper complex cathode and a nanoporous gold nanoparticle anode

Abstract

We developed efficient compartment-less non-enzymatic biofuel cells (NEFCs) with an electrografted copper complex of 3,5-diamino-1,2,4-triazole and nanoporous gold nanoparticles as catalysts, which could not only work in a neutral solution, but also drive the self-powered sensing of pyrophosphate via the stronger coordination of Cu²⁺ with O than N at the cathode.