Nickel/Yttria-stabilised zirconia cermet anodes for solid oxide fuel cells

Søren Primdahl

Nickel/Yttria-stabilised zirconia cermet anodes for solid oxide fuel cells

Søren Primdahl

Research output: Thesis › PhD Thesis - Research UT, graduation UT

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Abstract

This thesis deals with the porous Ni/yttria-stabilized zirconia (YSZ) cermet anode on a YSZ electrolyte for solid oxide fuel cells (SOFC). Such anodes are predominantly operated in moist hydrogen at 700°C to 1000°C, and the most important technological parameters are the polarization resistance and the long-term stability. The polarization resistance can be measured by a number of techniques, in the present work impedance spectroscopy has been used extensively. By impedance spectroscopy limiting processes in the anode polarization resistance may often be separated and characterized individually, provided they have a reasonable separation in time constants.

Original language	Undefined
Supervisors/Advisors	Verweij, H., Supervisor Bouwmeester, H.J.M., Supervisor
Award date	17 Sep 1999
Place of Publication	Enschede
Publisher	University of Twente
Print ISBNs	9789036513371
Publication status	Published - 17 Sep 1999

Keywords

IR-58232

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Cite this

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abstract = "This thesis deals with the porous Ni/yttria-stabilized zirconia (YSZ) cermet anode on a YSZ electrolyte for solid oxide fuel cells (SOFC). Such anodes are predominantly operated in moist hydrogen at 700°C to 1000°C, and the most important technological parameters are the polarization resistance and the long-term stability. The polarization resistance can be measured by a number of techniques, in the present work impedance spectroscopy has been used extensively. By impedance spectroscopy limiting processes in the anode polarization resistance may often be separated and characterized individually, provided they have a reasonable separation in time constants.",

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AU - Primdahl, Søren

PY - 1999/9/17

Y1 - 1999/9/17

N2 - This thesis deals with the porous Ni/yttria-stabilized zirconia (YSZ) cermet anode on a YSZ electrolyte for solid oxide fuel cells (SOFC). Such anodes are predominantly operated in moist hydrogen at 700°C to 1000°C, and the most important technological parameters are the polarization resistance and the long-term stability. The polarization resistance can be measured by a number of techniques, in the present work impedance spectroscopy has been used extensively. By impedance spectroscopy limiting processes in the anode polarization resistance may often be separated and characterized individually, provided they have a reasonable separation in time constants.

AB - This thesis deals with the porous Ni/yttria-stabilized zirconia (YSZ) cermet anode on a YSZ electrolyte for solid oxide fuel cells (SOFC). Such anodes are predominantly operated in moist hydrogen at 700°C to 1000°C, and the most important technological parameters are the polarization resistance and the long-term stability. The polarization resistance can be measured by a number of techniques, in the present work impedance spectroscopy has been used extensively. By impedance spectroscopy limiting processes in the anode polarization resistance may often be separated and characterized individually, provided they have a reasonable separation in time constants.

KW - IR-58232

M3 - PhD Thesis - Research UT, graduation UT

SN - 9789036513371

PB - University of Twente

CY - Enschede

ER -