International Journal of Hydrogen Energy

, volume 38 , issue 13 , pages 5375-5382

Development of La0.6Sr0.4Co0.2Fe0.8O3−δ cathode with an improved stability via La0.8Sr0.2MnO3-film impregnation

Xingbao Zhu ^{1, 2}

Dong Ding ³

Yiqian Li ⁴

Zhe Lü ⁴

Wenhui Su ⁴

Liang Zhen ⁵

Hide authors affiliations Show authors affiliations: 5 affiliations

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA |

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, PR China |

School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332-0245 USA. |

⁴

Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150080, PR China |

⁵

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, PR China. |

Publication type: Journal Article

Publication date: 2013-05-01

Elsevier

International Journal of Hydrogen Energy

scimago Q1

wos Q1

SJR: 1.685

CiteScore: 13.3

Impact factor: 8.3

ISSN: 03603199, 18793487

DOI: 10.1016/j.ijhydene.2013.02.091

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Condensed Matter Physics

Energy Engineering and Power Technology

Fuel Technology

Renewable Energy, Sustainability and the Environment

Abstract

Uniform, dense and continuous coatings of La0.8Sr0.2MnO3−δ (LSM) have been successfully deposited on dense/porous La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) substrates via a one-step drop-coating process using a water-based solution in order to improve the operating stability of solid oxide fuel cell cathode. The processing conditions were optimized by precise control of the composition of infiltrating solution, including chelating agents (glycine, citric acid and ethylene glycol), surfactants (polyvinyl alcohol (PVA), polyethylene glycol (PEG) and polyvinyl pyrrolidone (PVP)) and pH values (5.25, 4.29, 3.01 and 2.09). Ethanol was found to improve the wetting ability of the water-based solution significantly, but unfortunately causing precipitation. The symmetrical and full cells tests demonstrated that both performance and stability of LSCF cathode can be enhanced by surface modification with an optimized LSM film coating, leading to ∼31% reduction in cathodic polarization resistance and ∼45% improvement in power density (without observable degradation) for almost 350 h operation at 750 °C under a constant voltage of 0.7 V.

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Marrero-Lopez David

PhD in Philosophy, professor

150 publications, 5 686 citations, 782 reviews

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GOST |

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GOST Copy

Zhu X. et al. Development of La0.6Sr0.4Co0.2Fe0.8O3−δ cathode with an improved stability via La0.8Sr0.2MnO3-film impregnation // International Journal of Hydrogen Energy. 2013. Vol. 38. No. 13. pp. 5375-5382.

GOST all authors (up to 50) Copy

Zhu X., Ding D., Li Y., Lü Z., Su W., Zhen L. Development of La0.6Sr0.4Co0.2Fe0.8O3−δ cathode with an improved stability via La0.8Sr0.2MnO3-film impregnation // International Journal of Hydrogen Energy. 2013. Vol. 38. No. 13. pp. 5375-5382.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1016/j.ijhydene.2013.02.091

UR - https://doi.org/10.1016/j.ijhydene.2013.02.091

TI - Development of La0.6Sr0.4Co0.2Fe0.8O3−δ cathode with an improved stability via La0.8Sr0.2MnO3-film impregnation

T2 - International Journal of Hydrogen Energy

AU - Zhu, Xingbao

AU - Ding, Dong

AU - Li, Yiqian

AU - Lü, Zhe

AU - Su, Wenhui

AU - Zhen, Liang

PY - 2013

DA - 2013/05/01

PB - Elsevier

SP - 5375-5382

IS - 13

VL - 38

SN - 0360-3199

SN - 1879-3487

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2013_Zhu,

author = {Xingbao Zhu and Dong Ding and Yiqian Li and Zhe Lü and Wenhui Su and Liang Zhen},

title = {Development of La0.6Sr0.4Co0.2Fe0.8O3−δ cathode with an improved stability via La0.8Sr0.2MnO3-film impregnation},

journal = {International Journal of Hydrogen Energy},

year = {2013},

volume = {38},

publisher = {Elsevier},

month = {may},

url = {https://doi.org/10.1016/j.ijhydene.2013.02.091},

number = {13},

pages = {5375--5382},

doi = {10.1016/j.ijhydene.2013.02.091}

}

MLA

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MLA Copy

Zhu, Xingbao, et al. “Development of La0.6Sr0.4Co0.2Fe0.8O3−δ cathode with an improved stability via La0.8Sr0.2MnO3-film impregnation.” International Journal of Hydrogen Energy, vol. 38, no. 13, May. 2013, pp. 5375-5382. https://doi.org/10.1016/j.ijhydene.2013.02.091.

Publisher

Elsevier

Journal

International Journal of Hydrogen Energy

scimago Q1

wos Q1

SJR

1.685

CiteScore

13.3

Impact factor

8.3

ISSN

03603199 (Print, Electronic)

18793487