Pt-Catalyzed D-Glucose Oxidation Reactions for Glucose Fuel Cells

Ji Huang, Philipp Simons, Yusuke Sunada, Jennifer L.M. Rupp, Shunsuke Yagi

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The Pt-catalyzed D-glucose oxidation reaction in neutral electrolytes was investigated for implantable power applications. A reaction mechanism involving two possible oxidation pathways, namely direct and OHads-mediated oxidation, was proposed based on the mass change during electrochemical measurement. PtPd and Pt2Pd were synthesized as anodic catalysts by a solvothermal method, and single-chamber glucose-air fuel cells using a neutral aqueous electrolyte were prototyped successfully. Higher fuel cell performance was achieved with the PtPd catalyst, with a maximum power density of 27.6 μW cm-2 and open-circuit voltage of 0.616 V. Collectively, the present study contributes to maximize the performance of glucose fuel cells.

Original languageEnglish
Article number064511
JournalJournal of the Electrochemical Society
Volume168
Issue number6
DOIs
StatePublished - Jun 2021
Externally publishedYes

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