Exploring the potential of decade-air exposed perovskite membranes through sustainable recycling approaches

Wu, Di; Shen, Chao; Zhou, Wanglin; Tan, Jinkun; Niu, Yongqiang; Liu, Zhengkun; Zhang, Guangru; Jin, Wanqin

doi:10.1016/j.cej.2024.151406

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.151406

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Exploring the potential of decade-air exposed perovskite membranes through sustainable recycling approaches

Di Wu,

Chao Shen,

Wanglin Zhou

et al.

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2024

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Cited by 2 publications

References 29 publications

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Effects of copper doping on microstructural evolution and oxygen permeability of Ce0.8Sm0.2O2-δ-Sm0.6Sr0.4Fe1-Cu O3-δ dual-phase oxygen permeable membranes

Yu,

Liang,

Jia

et al. 2024

Ceramics International

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Effects of copper doping on microstructural evolution and oxygen permeability of Ce0.8Sm0.2O2-δ-Sm0.6Sr0.4Fe1-Cu O3-δ dual-phase oxygen permeable membranes

Yu,

Liang,

Jia

et al. 2024

Ceramics International

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Anion-Doped Perovskite Oxygen-Permeable Membranes Fabricated via an Improved One-Step Thermal Processing Approach

Niu,

Zhou,

et al. 2024

Materials

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Anion-doped perovskite membranes with a hollow fiber geometry have excellent oxygen separation performance. However, during the fabrication process of hollow fiber membranes, soaking the precursor in deionized water leads to elemental dissolution, especially anion dissolution. To prevent metal and anion element dissolution, an improved one-step thermal processing approach was proposed in which saturated solutions were used as internal and external coagulation baths, effectively controlling the stoichiometric ratio. Compared with using deionized water as internal and external coagulation baths, using a fluorine-containing saturated solution increased the oxygen flux of the membrane by 21% at 900 °C. The oxygen permeability of the fluorine-doped oxide membrane reached 6 mL cm−2 min−1 at 900 °C, with an oxygen flux exceeding 1 mL cm−2 min−1 at 700 °C, meeting commercial oxygen separation membrane standards. Anion doping and stability enhancement strategies could further advance the development and practical use of oxygen separation membranes.

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Exploring the potential of decade-air exposed perovskite membranes through sustainable recycling approaches

Cited by 2 publications

References 29 publications

Effects of copper doping on microstructural evolution and oxygen permeability of Ce0.8Sm0.2O2-δ-Sm0.6Sr0.4Fe1-Cu O3-δ dual-phase oxygen permeable membranes

Effects of copper doping on microstructural evolution and oxygen permeability of Ce0.8Sm0.2O2-δ-Sm0.6Sr0.4Fe1-Cu O3-δ dual-phase oxygen permeable membranes

Anion-Doped Perovskite Oxygen-Permeable Membranes Fabricated via an Improved One-Step Thermal Processing Approach

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