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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201905200
|2 doi
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|a pubmed24n1013.xml
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|a (DE-627)NLM303909919
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|a (NLM)31788886
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Li, Ming
|e verfasserin
|4 aut
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| 245 |
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|a A CO2 -Tolerant Perovskite Oxide with High Oxide Ion and Electronic Conductivity
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.01.2020
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Mixed ionic-electronic conductors (MIECs) that display high oxide ion conductivity (σo ) and electronic conductivity (σe ) constitute an important family of electrocatalysts for a variety of applications including fuel cells and oxygen separation membranes. Often MIECs exhibit sufficient σe but inadequate σo . It has been a long-standing challenge to develop MIECs with both high σo and stability under device operation conditions. For example, the well-known perovskite oxide Ba0.5 Sr0.5 Co0.8 Fe0.2 O3- δ (BSCF) exhibits exceptional σo and electrocatalytic activity. The reactivity of BSCF with CO2 , however, limits its use in practical applications. Here, the perovskite oxide Bi0.15 Sr0.85 Co0.8 Fe0.2 O3- δ (BiSCF) is shown to exhibit not only exceptional bulk transport properties, with a σo among the highest for known MIECs, but also high CO2 tolerance. When used as an oxygen separation membrane, BiSCF displays high oxygen permeability comparable to that of BSCF and much higher stability under CO2 . The combination of high oxide transport properties and CO2 tolerance in a single-phase MIEC gives BiSCF a significant advantage over existing MIECs for practical applications
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|a Journal Article
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|a mixed ionic-electronic conductors
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|a oxygen separation membranes
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|a perovskites
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|a solid oxide fuel cells
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|a surface segregation
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|a Niu, Hongjun
|e verfasserin
|4 aut
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1 |
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|a Druce, John
|e verfasserin
|4 aut
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1 |
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|a Téllez, Helena
|e verfasserin
|4 aut
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|a Ishihara, Tatsumi
|e verfasserin
|4 aut
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1 |
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|a Kilner, John A
|e verfasserin
|4 aut
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|a Gasparyan, Hripsime
|e verfasserin
|4 aut
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|a Pitcher, Michael J
|e verfasserin
|4 aut
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|a Xu, Wen
|e verfasserin
|4 aut
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|a Shin, J Felix
|e verfasserin
|4 aut
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|a Daniels, Luke M
|e verfasserin
|4 aut
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|a Jones, Leanne A H
|e verfasserin
|4 aut
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|a Dhanak, Vin R
|e verfasserin
|4 aut
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|a Hu, Dingyue
|e verfasserin
|4 aut
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|a Zanella, Marco
|e verfasserin
|4 aut
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|a Claridge, John B
|e verfasserin
|4 aut
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|a Rosseinsky, Matthew J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 4 vom: 06. Jan., Seite e1905200
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:4
|g day:06
|g month:01
|g pages:e1905200
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|u http://dx.doi.org/10.1002/adma.201905200
|3 Volltext
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|d 32
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