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Title: Composition for fuel cell electrode

Abstract

In some examples, a fuel cell comprising an anode; an electrolyte; cathode barrier layer; and a nickelate composite cathode separated from the electrolyte by the cathode barrier layer; and a cathode current collector layer. The nickelate composite cathode includes a nickelate compound and an ionic conductive material, and the nickelate compound comprises at least one of Pr.sub.2NiO.sub.4, Nd.sub.2NiO.sub.4, (Pr.sub.uNd.sub.v).sub.2NiO.sub.4, (Pr.sub.uNd.sub.v).sub.3Ni.sub.2O.sub.7, (Pr.sub.uNd.sub.v).sub.4Ni.sub.3O.sub.10, or (Pr.sub.uNd.sub.vM.sub.w).sub.2NiO.sub.4, where M is an alkaline earth metal doped on an A--site of Pr and Nd. The ionic conductive material comprises a first co-doped ceria with a general formula of (A.sub.xB.sub.y)Ce.sub.1-x-yO.sub.2, where A and B of the first co-doped ceria are rare earth metals. The cathode barrier layer comprises a second co-doped ceria with a general formula (A.sub.xB.sub.y)Ce.sub.1-x-yO.sub.2, where at least one of A or B of the second co-doped ceria is Pr or Nd.

Inventors:
; ; ;
Issue Date:
Research Org.:
LG Fuel Cell Systems, Inc., North Canton, OH (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1471401
Patent Number(s):
10,062,909
Application Number:
15/337,890
Assignee:
LG Fuel Cell Systems, Inc. (North Canton, OH)
DOE Contract Number:  
FE0000303
Resource Type:
Patent
Resource Relation:
Patent File Date: 2016 Oct 28
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 30 DIRECT ENERGY CONVERSION

Citation Formats

Liu, Zhien, Jung, Hwa Young, Xing, Zhengliang, and Goettler, Richard W. Composition for fuel cell electrode. United States: N. p., 2018. Web.
Liu, Zhien, Jung, Hwa Young, Xing, Zhengliang, & Goettler, Richard W. Composition for fuel cell electrode. United States.
Liu, Zhien, Jung, Hwa Young, Xing, Zhengliang, and Goettler, Richard W. Tue . "Composition for fuel cell electrode". United States. https://www.osti.gov/servlets/purl/1471401.
@article{osti_1471401,
title = {Composition for fuel cell electrode},
author = {Liu, Zhien and Jung, Hwa Young and Xing, Zhengliang and Goettler, Richard W.},
abstractNote = {In some examples, a fuel cell comprising an anode; an electrolyte; cathode barrier layer; and a nickelate composite cathode separated from the electrolyte by the cathode barrier layer; and a cathode current collector layer. The nickelate composite cathode includes a nickelate compound and an ionic conductive material, and the nickelate compound comprises at least one of Pr.sub.2NiO.sub.4, Nd.sub.2NiO.sub.4, (Pr.sub.uNd.sub.v).sub.2NiO.sub.4, (Pr.sub.uNd.sub.v).sub.3Ni.sub.2O.sub.7, (Pr.sub.uNd.sub.v).sub.4Ni.sub.3O.sub.10, or (Pr.sub.uNd.sub.vM.sub.w).sub.2NiO.sub.4, where M is an alkaline earth metal doped on an A--site of Pr and Nd. The ionic conductive material comprises a first co-doped ceria with a general formula of (A.sub.xB.sub.y)Ce.sub.1-x-yO.sub.2, where A and B of the first co-doped ceria are rare earth metals. The cathode barrier layer comprises a second co-doped ceria with a general formula (A.sub.xB.sub.y)Ce.sub.1-x-yO.sub.2, where at least one of A or B of the second co-doped ceria is Pr or Nd.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {8}
}

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