Unparalleled mitigation of membrane degradation in fuel cells <i>via</i> a counter-intuitive approach: suppression of H<sub>2</sub>O<sub>2</sub> production at the hydrogen anode using a Pt<sub>skin</sub>–PtCo catalyst
Guoyu Shi, Donald A. Tryk, Toshio Iwataki, Hiroshi Yano, Makoto Uchida, Akihiro Iiyama, Hiroyuki Uchida
Abstract
PtCo/C<sub>HT</sub> anode catalyst showed a large suppression of H<sub>2</sub>O<sub>2</sub> generation, by ≥50% in comparison with commercial Pt/CB at practical potentials for H<sub>2</sub> oxidation, resulting in greatly enhanced durability of the fuel cell by mitigating membrane degradation.
Topics & Concepts
AnodeDegradation (telecommunications)CatalysisHydrogenFuel cellsHydrogen productionMembraneDurabilityMaterials scienceProton exchange membrane fuel cellChemical engineeringChemistryElectrodeElectrical engineeringEngineeringPhysical chemistryOrganic chemistryComposite materialBiochemistryElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research