Effect of Nb doping on the chemical stability of BSCF-based solid solutions

Fang Wang; Takashi Nakamura; Keiji Yashiro; Junichiro Mizusaki; Koji Amezawa

doi:10.1016/j.ssi.2014.01.045

Effect of Nb doping on the chemical stability of BSCF-based solid solutions

Fang Wang, Takashi Nakamura, Keiji Yashiro, Junichiro Mizusaki, Koji Amezawa

Tohoku University

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

The effects of Nb doping on the chemical stability of Ba _0.5Sr_0.5Co_0.8Fe_0.2O _{3 - δ} based solid solutions under high oxygen partial pressure (p(O₂)) and CO₂-containing atmospheres were studied. BSCF and Ba_0.5Sr_0.5Co_0.9Nb_0.1O _{3 - δ} (BSCN) and Ba_0.5Sr_0.5Co _0.8Fe_0.1Nb_0.1O_{3 - δ} (BSCFN) were prepared and investigated by using TG-DTA analysis under p(O₂) = 1 and 10^{- 3} bar with or without CO₂. The results showed that the Nb substitution effectively improved the chemical stability under high oxidation condition and also improved the CO₂-tolerance of BSCF-based materials.

Original language	English
Pages (from-to)	719-723
Number of pages	5
Journal	Solid State Ionics
Volume	262
DOIs	https://doi.org/10.1016/j.ssi.2014.01.045
Publication status	Published - 2014 Sept 1

Keywords

BSCF
Chemical stability
Nb-doping

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10.1016/j.ssi.2014.01.045

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title = "Effect of Nb doping on the chemical stability of BSCF-based solid solutions",

abstract = "The effects of Nb doping on the chemical stability of Ba 0.5Sr0.5Co0.8Fe0.2O 3 - δ based solid solutions under high oxygen partial pressure (p(O2)) and CO2-containing atmospheres were studied. BSCF and Ba0.5Sr0.5Co0.9Nb0.1O 3 - δ (BSCN) and Ba0.5Sr0.5Co 0.8Fe0.1Nb0.1O3 - δ (BSCFN) were prepared and investigated by using TG-DTA analysis under p(O2) = 1 and 10- 3 bar with or without CO2. The results showed that the Nb substitution effectively improved the chemical stability under high oxidation condition and also improved the CO2-tolerance of BSCF-based materials.",

keywords = "BSCF, Chemical stability, Nb-doping",

author = "Fang Wang and Takashi Nakamura and Keiji Yashiro and Junichiro Mizusaki and Koji Amezawa",

note = "Funding Information: This work was supported by CREST from the Japan Science and Technology Agency (JST) and Grant-in-Aid for Scientific Research of Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.",

year = "2014",

month = sep,

day = "1",

doi = "10.1016/j.ssi.2014.01.045",

language = "English",

volume = "262",

pages = "719--723",

journal = "Solid State Ionics",

issn = "0167-2738",

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TY - JOUR

T1 - Effect of Nb doping on the chemical stability of BSCF-based solid solutions

AU - Wang, Fang

AU - Nakamura, Takashi

AU - Yashiro, Keiji

AU - Mizusaki, Junichiro

AU - Amezawa, Koji

N1 - Funding Information: This work was supported by CREST from the Japan Science and Technology Agency (JST) and Grant-in-Aid for Scientific Research of Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.

PY - 2014/9/1

Y1 - 2014/9/1

N2 - The effects of Nb doping on the chemical stability of Ba 0.5Sr0.5Co0.8Fe0.2O 3 - δ based solid solutions under high oxygen partial pressure (p(O2)) and CO2-containing atmospheres were studied. BSCF and Ba0.5Sr0.5Co0.9Nb0.1O 3 - δ (BSCN) and Ba0.5Sr0.5Co 0.8Fe0.1Nb0.1O3 - δ (BSCFN) were prepared and investigated by using TG-DTA analysis under p(O2) = 1 and 10- 3 bar with or without CO2. The results showed that the Nb substitution effectively improved the chemical stability under high oxidation condition and also improved the CO2-tolerance of BSCF-based materials.

AB - The effects of Nb doping on the chemical stability of Ba 0.5Sr0.5Co0.8Fe0.2O 3 - δ based solid solutions under high oxygen partial pressure (p(O2)) and CO2-containing atmospheres were studied. BSCF and Ba0.5Sr0.5Co0.9Nb0.1O 3 - δ (BSCN) and Ba0.5Sr0.5Co 0.8Fe0.1Nb0.1O3 - δ (BSCFN) were prepared and investigated by using TG-DTA analysis under p(O2) = 1 and 10- 3 bar with or without CO2. The results showed that the Nb substitution effectively improved the chemical stability under high oxidation condition and also improved the CO2-tolerance of BSCF-based materials.

KW - BSCF

KW - Chemical stability

KW - Nb-doping

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U2 - 10.1016/j.ssi.2014.01.045

DO - 10.1016/j.ssi.2014.01.045

M3 - Article

AN - SCOPUS:84903268579

SN - 0167-2738

VL - 262

SP - 719

EP - 723

JO - Solid State Ionics

JF - Solid State Ionics

ER -

Effect of Nb doping on the chemical stability of BSCF-based solid solutions

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Keywords

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