Tuning the Co/Fe ratio in BaCo<sub><i>x</i></sub>Fe<sub>0.8−<i>x</i></sub>Zr<sub>0.1</sub>Y<sub>0.1</sub>O<sub>3−<i>δ</i></sub>, a promising triple ionic and electronic conducting oxide, to boost electrolysis and fuel cell performance
Yewon Shin, You-Dong Kim, Michael Sanders, Steven P. Harvey, Michael Walker, Ryan O’Hayre
Abstract
A BaCo 0.7 Fe 0.1 Zr 0.1 Y 0.1 O 3− δ (BCFZY7111)-based button cell shows a peak power density of 695 mW cm −2 at 600 °C and a current density of 1976 mA cm −2 at 1.4 V in fuel cell and electrolysis modes.
Topics & Concepts
Materials scienceFuel cellsElectrolysisAnalytical Chemistry (journal)Current densityCrystallographyChemistryPhysicsPhysical chemistryElectrodeChemical engineeringChromatographyQuantum mechanicsEngineeringElectrolyteAdvancements in Solid Oxide Fuel CellsMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides