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A Miniature Membrane‐less Biofuel Cell Operating at +0.60 V under Physiological Conditions
Author(s) -
Mano Nicolas,
Mao Fei,
Heller Adam
Publication year - 2004
Publication title -
chembiochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.05
H-Index - 126
eISSN - 1439-7633
pISSN - 1439-4227
DOI - 10.1002/cbic.200400275
Subject(s) - overpotential , anode , membrane , redox , current density , biofuel , chemistry , biophysics , chemical engineering , materials science , electrode , biochemistry , inorganic chemistry , electrochemistry , biology , ecology , physics , quantum mechanics , engineering
Biobattery . By increasing the density of the polymer‐bound redox sites, which electrically connect the reaction centers of GOx to the anode, we have increased the glucose flux limited current density by 20 % and decreased by 50 mV the overpotential for glucose electro‐oxidation. The miniature, membrane‐less glucose‐O 2 biofuel cell that has been built with the novel anode operated at the highest voltage to date, +0.60 V (see graph), while producing 4.8 μW mm −2 in a physiological buffer at 37.5 °C.