Stable Ce0.8Gd0.2O2-δ oxygen transport membrane reactor for hydrogen production

Wenyuan Liang; Andreas Kaiser; Armin Feldhoff; Stefan Baumann; Wilhelm A. Meulenberg; Tianmiao Hu; Jian Xue; Heqing Jiang; Zhengwen Cao; Jürgen Caro

doi:10.1016/j.apcata.2022.118980

Stable Ce_0.8Gd_0.2O_2-δ oxygen transport membrane reactor for hydrogen production

Wenyuan Liang, Andreas Kaiser, Armin Feldhoff, Stefan Baumann, Wilhelm A. Meulenberg, Tianmiao Hu, Jian Xue, Heqing Jiang, Zhengwen Cao^*, Jürgen Caro

^*Corresponding author for this work

Inorganic Membranes

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

6 Citations (Scopus)

Abstract

Hydrogen production using oxygen transport membrane reactors has attracted widespread attention. However, the structural stability of membrane materials under harsh reducing atmospheres is still a significant challenge. Gadolinium doped cerium oxide (CGO) presents high ionic conductivity and good reducing resistance but is limited by its poor electronic conductivity. Herein, a 2 mol.% cobalt-doped Ce_0.8Gd_0.2O_2-δ (CoCGO) ultrathin membrane was manufactured by thin-film technology and applied to hydrogen production from water splitting (WS) with simultaneous syngas production through partial oxidation of methane (POM). Two catalysts, La_0.4Sr_0.6CoO_3-δ (LSC) and Ni/Al₂O₃, were utilized for promoting WS and POM, respectively. Hydrogen production rate above 1.8 mL min^-1 cm^-2 and methane conversion of around 80 % were achieved, and no noticeable degradation was detected during 100 h operation, suggesting its prospective stability advantages as a membrane reactor for hydrogen production from water.

Original language	English
Article number	118980
Journal	Applied catalysis A: general
Volume	650
Early online date	20 Nov 2022
DOIs	https://doi.org/10.1016/j.apcata.2022.118980
Publication status	Published - 25 Jan 2023

Keywords

n/a OA procedure
Oxygen transport membrane
Partial oxidation of methane
Stability
Hydrogen production

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10.1016/j.apcata.2022.118980

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title = "Stable Ce0.8Gd0.2O2-δ oxygen transport membrane reactor for hydrogen production",

abstract = "Hydrogen production using oxygen transport membrane reactors has attracted widespread attention. However, the structural stability of membrane materials under harsh reducing atmospheres is still a significant challenge. Gadolinium doped cerium oxide (CGO) presents high ionic conductivity and good reducing resistance but is limited by its poor electronic conductivity. Herein, a 2 mol.% cobalt-doped Ce0.8Gd0.2O2-δ (CoCGO) ultrathin membrane was manufactured by thin-film technology and applied to hydrogen production from water splitting (WS) with simultaneous syngas production through partial oxidation of methane (POM). Two catalysts, La0.4Sr0.6CoO3-δ (LSC) and Ni/Al2O3, were utilized for promoting WS and POM, respectively. Hydrogen production rate above 1.8 mL min-1 cm-2 and methane conversion of around 80 % were achieved, and no noticeable degradation was detected during 100 h operation, suggesting its prospective stability advantages as a membrane reactor for hydrogen production from water.",

keywords = "n/a OA procedure, Oxygen transport membrane, Partial oxidation of methane, Stability, Hydrogen production",

author = "Wenyuan Liang and Andreas Kaiser and Armin Feldhoff and Stefan Baumann and Meulenberg, {Wilhelm A.} and Tianmiao Hu and Jian Xue and Heqing Jiang and Zhengwen Cao and J{\"u}rgen Caro",

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doi = "10.1016/j.apcata.2022.118980",

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T1 - Stable Ce0.8Gd0.2O2-δ oxygen transport membrane reactor for hydrogen production

AU - Liang, Wenyuan

AU - Kaiser, Andreas

AU - Feldhoff, Armin

AU - Baumann, Stefan

AU - Meulenberg, Wilhelm A.

AU - Hu, Tianmiao

AU - Xue, Jian

AU - Jiang, Heqing

AU - Cao, Zhengwen

AU - Caro, Jürgen

PY - 2023/1/25

Y1 - 2023/1/25

N2 - Hydrogen production using oxygen transport membrane reactors has attracted widespread attention. However, the structural stability of membrane materials under harsh reducing atmospheres is still a significant challenge. Gadolinium doped cerium oxide (CGO) presents high ionic conductivity and good reducing resistance but is limited by its poor electronic conductivity. Herein, a 2 mol.% cobalt-doped Ce0.8Gd0.2O2-δ (CoCGO) ultrathin membrane was manufactured by thin-film technology and applied to hydrogen production from water splitting (WS) with simultaneous syngas production through partial oxidation of methane (POM). Two catalysts, La0.4Sr0.6CoO3-δ (LSC) and Ni/Al2O3, were utilized for promoting WS and POM, respectively. Hydrogen production rate above 1.8 mL min-1 cm-2 and methane conversion of around 80 % were achieved, and no noticeable degradation was detected during 100 h operation, suggesting its prospective stability advantages as a membrane reactor for hydrogen production from water.

AB - Hydrogen production using oxygen transport membrane reactors has attracted widespread attention. However, the structural stability of membrane materials under harsh reducing atmospheres is still a significant challenge. Gadolinium doped cerium oxide (CGO) presents high ionic conductivity and good reducing resistance but is limited by its poor electronic conductivity. Herein, a 2 mol.% cobalt-doped Ce0.8Gd0.2O2-δ (CoCGO) ultrathin membrane was manufactured by thin-film technology and applied to hydrogen production from water splitting (WS) with simultaneous syngas production through partial oxidation of methane (POM). Two catalysts, La0.4Sr0.6CoO3-δ (LSC) and Ni/Al2O3, were utilized for promoting WS and POM, respectively. Hydrogen production rate above 1.8 mL min-1 cm-2 and methane conversion of around 80 % were achieved, and no noticeable degradation was detected during 100 h operation, suggesting its prospective stability advantages as a membrane reactor for hydrogen production from water.

KW - n/a OA procedure

KW - Oxygen transport membrane

KW - Partial oxidation of methane

KW - Stability

KW - Hydrogen production

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DO - 10.1016/j.apcata.2022.118980

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JO - Applied catalysis A: general

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ER -

Stable Ce_0.8Gd_0.2O_2-δ oxygen transport membrane reactor for hydrogen production

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Keywords

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