Investigation of O2 reduction on Pt/YSZ by means of thin film microelectrodes: The geometry dependence of the electrode impedance

AK Opitz, J Fleig - Solid State Ionics, 2010 - Elsevier
The electrochemical oxygen exchange reaction on yttria stabilized zirconia (YSZ) was
investigated by means of Pt microelectrodes. The circular-shaped electrodes were prepared …

Current-voltage characteristics of platinum model electrodes on yttria-stabilized zirconia

AK Opitz, MP Hörlein, T Huber… - Journal of The …, 2012 - iopscience.iop.org
In this study, the steady state current-overpotential (I-η) characteristics of the oxygen
reduction reaction on the system Pt| yttria-stabilized zirconia (YSZ) were investigated at …

Electrode kinetics

AK Opitz, A Nenning - High-Temperature Electrolysis: From …, 2023 - iopscience.iop.org
This chapter deals with the specific characteristics of electrodes in solid oxide cells, such as
different available reaction pathways (triple phase boundary versus bulk path), the role of …

Monitoring of the LSM/YSZ interface in SOFCs using limited-contact geometry in impedance spectroscopy

BK Lee, JY Lee, HY Jung, JH Lee, JH Hwang - Solid State Ionics, 2008 - Elsevier
The electrochemical property of SOFC cathode composites based on LSM ((La0. 7Sr0. 3)
0.95 MnO3) and YSZ (Y2O3-Stabilized ZrO2) was characterized by using limited-contact …

Characterization of electrode polarization losses in solid oxide fuel cells: Impedance spectroscopy involving spatially-limited electrode geometry

BK Lee, SM Bae, JH Lee, J Hwang - Journal of Physics and Chemistry of …, 2013 - Elsevier
The concept of “spatially-limited geometry” in an ionic conductor is incorporated into AC two-
probe impedance spectroscopy in order to investigate the electrode-related responses of …

Solid-State Yttria-Stabilized Zirconia Electrochemical Sensors for Extreme Environments

TL Peters - 2019 - rave.ohiolink.edu
The enhancement of electrochemical sensors is vital to economic progress in transportation,
safety, pollution control, power, and aerospace applications. Electrochemical impedance …

Investigation of the oxygen exchange reaction on Pt/YSZ: The relation between three phase boundaries and electrode performance

AK Opitz, A Schintlmeister, H Hutter, J Fleig - ECS Transactions, 2009 - iopscience.iop.org
In this work the electrochemical oxygen exchange reaction on the system platinum/yttria
stabilized zirconia (YSZ) was investigated by means of impedance spectroscopy and time-of …

Oxygen exchange pathways of platinum model electrodes on yttria-stabilized zirconia

AK Opitz - 2011 - repositum.tuwien.at
Die elektrochemische Sauerstoff-Austauschreaktion an Platinelektroden auf Yttrium-
stabilisiertem Zirconiumdioxid (YSZ) ist sowohl eine hochinteressante Mo-dellreaktion für …

Solid Oxide Fuel Cell Cathodes: Dynamics of Interfaces

J Nielsen - 2008 - orbit.dtu.dk
Afgørende for den praktiske anvendelse af fastoxidbrændselsceller (SOFC) er at der sikres
en tilstrækkelig levetid af cellerne. Disse er opbygget af tynde keramiske lag og porøse …

Exploratory Studies on Silicon‐Based Oxide Fuel Cell Power Sources Incorporating Ultrathin Nanostructured Platinum and Cerium Oxide Films as Anode …

BK Lai, AC Johnson, H Xiong, C Ko… - Future Trends in …, 2010 - Wiley Online Library
In the past decade, development of thin‐film solid oxide fuel cells (TFSOFCs) has evolved
from microfabrication of thermomechanically stable yttria‐stabilized zirconia (YSZ) …