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Study of Perovskite Type Air Electrodes for Proton Conducting Ceramic Cells

Sata, Noriko and Han, Feng and Costa, Rémi and Schiller, Günter (2018) Study of Perovskite Type Air Electrodes for Proton Conducting Ceramic Cells. E-MRS 2018 Spring Meeting, 18.-22. Juni 2018, Strasbourg, Frankreich.

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Abstract

Electrochemical cells based on proton conducting ceramics (PCC) offer a number of potential electrochemical applications. Since proton is the ionic charge carrier, they are utilized in electrochemical devices in which hydrogen or hydrogen containing molecules are the main resources or products. It should also be noted that moderate operating temperatures and low partial oxygen pressure on the fuel electrode in PCCs are advantageous to prevent degradation of the components. One of the critical issues in realizing PCC devices, however, is to find promising materials for air electrode that demonstrate high conductivities and chemical stability. In this work, we focus on BaZrO3 based electrode candidates to be applied for PCCs based on Ba(Zr,Ce,Re)O3 electrolytes (Re: trivalent dopant). Powder specimens are synthesized by a conventional solid state reaction process and their fundamental properties, including structural analyses and electrical conductivities, are investigated. Based on the experimental results, their potentials as air electrodes will be discussed.

Item URL in elib:https://elib.dlr.de/123304/
Document Type:Conference or Workshop Item (Poster)
Title:Study of Perovskite Type Air Electrodes for Proton Conducting Ceramic Cells
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sata, NorikoNoriko.Sata (at) dlr.deUNSPECIFIED
Han, FengFeng.Han (at) dlr.dehttps://orcid.org/0000-0003-1904-134X
Costa, Rémiremi.costa (at) dlr.dehttps://orcid.org/0000-0002-3534-1935
Schiller, GünterGuenter.Schiller (at) dlr.dehttps://orcid.org/0000-0001-5093-7625
Date:18 June 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:proton conducting ceramic cells, air electrodes, BaZrO3
Event Title:E-MRS 2018 Spring Meeting
Event Location:Strasbourg, Frankreich
Event Type:international Conference
Event Dates:18.-22. Juni 2018
HGF - Research field:Energy
HGF - Program:Storage and Cross-linked Infrastructures
HGF - Program Themes:Electrolysis and Hydrogen
DLR - Research area:Energy
DLR - Program:E SP - Energy Storage
DLR - Research theme (Project):E - Elektrochemical Processes (Electrolysis)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Metzger-Sata, Dr. Noriko
Deposited On:19 Nov 2018 16:21
Last Modified:19 Nov 2018 16:21

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