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A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells

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A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells. / Hou, Jie; Miao, Lina; Hui, Jianing; Bi, Lei; Liu, Wei; Irvine, John T.S.

In: Journal of Materials Chemistry A, Vol. 6, No. 22, 14.06.2018, p. 10411-10420.

Research output: Contribution to journalArticle

Harvard

Hou, J, Miao, L, Hui, J, Bi, L, Liu, W & Irvine, JTS 2018, 'A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells' Journal of Materials Chemistry A, vol. 6, no. 22, pp. 10411-10420. https://doi.org/10.1039/c8ta00859k

APA

Hou, J., Miao, L., Hui, J., Bi, L., Liu, W., & Irvine, J. T. S. (2018). A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells. Journal of Materials Chemistry A, 6(22), 10411-10420. https://doi.org/10.1039/c8ta00859k

Vancouver

Hou J, Miao L, Hui J, Bi L, Liu W, Irvine JTS. A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells. Journal of Materials Chemistry A. 2018 Jun 14;6(22):10411-10420. https://doi.org/10.1039/c8ta00859k

Author

Hou, Jie ; Miao, Lina ; Hui, Jianing ; Bi, Lei ; Liu, Wei ; Irvine, John T.S. / A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells. In: Journal of Materials Chemistry A. 2018 ; Vol. 6, No. 22. pp. 10411-10420.

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@article{887d43ce5e7748cab7f5e8c13be6b455,
title = "A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells",
abstract = "Developing new low-cost high-performance cobalt-free cathode materials for low temperature proton-conducting solid oxide fuel cells (H-SOFCs) has been an imperative topic. In response to this challenge, we herein develop a novel in situ Pr diffusion strategy based on a Sm0.2Ce0.8O2-δ-Pr(Pr0.5Ba1.5)Cu3O7-δ (SDC-PBCu, 3:7 wt{\%}) compound, to achieve a perovskite-related proton-blocking composite cathode (PBCC) Ce1-xPrxO2-δ-Ba2CeCu3O7.4-Sm2Ba1.33Ce0.67Cu3O9-CuO (PDC-BCC-SBCC-CuO) for BaZr0.1Ce0.7Y0.2O3-δ-based H-SOFCs. The single cell achieves a remarkable performance with a maximum power density (MPD) of 1000 and 566 mW cm-2, corresponding to the interfacial polarization resistance (RP) of 0.037 and 0.188 Ω cm2 at 700 and 600 °C, respectively. The XRD results demonstrate that the PBCu phase disappears after the calcination of the mixed SDC-PBCu composite powder at 900 °C, with the formation of four new phases including fluorite structured PDC, orthorhombic layered material BCC, tetragonal perovskite-related SBCC and a small quantity of metallic oxide CuO, being favorable for a superior cathode performance. The ascendant electrochemical performance including the very high MPD and the lower RP obtained here indicate that the quaternary cobalt-free PBCC PDC-BCC-SBCC-CuO is a preferable alternative for high-performance low-temperature H-SOFCs.",
author = "Jie Hou and Lina Miao and Jianing Hui and Lei Bi and Wei Liu and Irvine, {John T.S.}",
note = "This work was supported by the National Natural Science Foundation of China (Grant No.: 21676261, U1632131 and 51602238). The authors acknowledge the financial support of the Royal Society of Edinburgh for a RSE BP Hutton Prize in Energy Innovation and EPSRC Platform grant, EP/K015540/1. We also would like to thank the support from the China Scholarship Council (No. 201606340101).",
year = "2018",
month = "6",
day = "14",
doi = "10.1039/c8ta00859k",
language = "English",
volume = "6",
pages = "10411--10420",
journal = "Journal of Materials Chemistry A",
issn = "2050-7488",
publisher = "ROYAL SOC CHEMISTRY",
number = "22",

}

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TY - JOUR

T1 - A novel in situ diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells

AU - Hou, Jie

AU - Miao, Lina

AU - Hui, Jianing

AU - Bi, Lei

AU - Liu, Wei

AU - Irvine, John T.S.

N1 - This work was supported by the National Natural Science Foundation of China (Grant No.: 21676261, U1632131 and 51602238). The authors acknowledge the financial support of the Royal Society of Edinburgh for a RSE BP Hutton Prize in Energy Innovation and EPSRC Platform grant, EP/K015540/1. We also would like to thank the support from the China Scholarship Council (No. 201606340101).

PY - 2018/6/14

Y1 - 2018/6/14

N2 - Developing new low-cost high-performance cobalt-free cathode materials for low temperature proton-conducting solid oxide fuel cells (H-SOFCs) has been an imperative topic. In response to this challenge, we herein develop a novel in situ Pr diffusion strategy based on a Sm0.2Ce0.8O2-δ-Pr(Pr0.5Ba1.5)Cu3O7-δ (SDC-PBCu, 3:7 wt%) compound, to achieve a perovskite-related proton-blocking composite cathode (PBCC) Ce1-xPrxO2-δ-Ba2CeCu3O7.4-Sm2Ba1.33Ce0.67Cu3O9-CuO (PDC-BCC-SBCC-CuO) for BaZr0.1Ce0.7Y0.2O3-δ-based H-SOFCs. The single cell achieves a remarkable performance with a maximum power density (MPD) of 1000 and 566 mW cm-2, corresponding to the interfacial polarization resistance (RP) of 0.037 and 0.188 Ω cm2 at 700 and 600 °C, respectively. The XRD results demonstrate that the PBCu phase disappears after the calcination of the mixed SDC-PBCu composite powder at 900 °C, with the formation of four new phases including fluorite structured PDC, orthorhombic layered material BCC, tetragonal perovskite-related SBCC and a small quantity of metallic oxide CuO, being favorable for a superior cathode performance. The ascendant electrochemical performance including the very high MPD and the lower RP obtained here indicate that the quaternary cobalt-free PBCC PDC-BCC-SBCC-CuO is a preferable alternative for high-performance low-temperature H-SOFCs.

AB - Developing new low-cost high-performance cobalt-free cathode materials for low temperature proton-conducting solid oxide fuel cells (H-SOFCs) has been an imperative topic. In response to this challenge, we herein develop a novel in situ Pr diffusion strategy based on a Sm0.2Ce0.8O2-δ-Pr(Pr0.5Ba1.5)Cu3O7-δ (SDC-PBCu, 3:7 wt%) compound, to achieve a perovskite-related proton-blocking composite cathode (PBCC) Ce1-xPrxO2-δ-Ba2CeCu3O7.4-Sm2Ba1.33Ce0.67Cu3O9-CuO (PDC-BCC-SBCC-CuO) for BaZr0.1Ce0.7Y0.2O3-δ-based H-SOFCs. The single cell achieves a remarkable performance with a maximum power density (MPD) of 1000 and 566 mW cm-2, corresponding to the interfacial polarization resistance (RP) of 0.037 and 0.188 Ω cm2 at 700 and 600 °C, respectively. The XRD results demonstrate that the PBCu phase disappears after the calcination of the mixed SDC-PBCu composite powder at 900 °C, with the formation of four new phases including fluorite structured PDC, orthorhombic layered material BCC, tetragonal perovskite-related SBCC and a small quantity of metallic oxide CuO, being favorable for a superior cathode performance. The ascendant electrochemical performance including the very high MPD and the lower RP obtained here indicate that the quaternary cobalt-free PBCC PDC-BCC-SBCC-CuO is a preferable alternative for high-performance low-temperature H-SOFCs.

U2 - 10.1039/c8ta00859k

DO - 10.1039/c8ta00859k

M3 - Article

VL - 6

SP - 10411

EP - 10420

JO - Journal of Materials Chemistry A

T2 - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

SN - 2050-7488

IS - 22

ER -

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