Hydrogen Purification in Palladium-Based Membranes: An Operando X-ray Diffraction Study

Yuan, Mengyao; Lee, Kyoungjin; Van Campen, Douglas G.; Liguori, Simona; Toney, Michael F.; Wilcox, Jennifer

doi:10.1021/acs.iecr.8b05017

Title: Hydrogen Purification in Palladium-Based Membranes: An Operando X-ray Diffraction Study

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Abstract

Palladium (Pd)-based membranes are highly selective to H₂, compact, and operationally flexible, and they could facilitate efficient and on-demand production of H₂ as a clean energy carrier. For the first time, we designed an operando X-ray diffraction (XRD) experiment to study a dense Pd membrane during H₂ permeation at typical operating conditions (e.g., 280–440 °C and 1–3 bar pressure difference). By correlating the lattice structure of a metallic membrane with its gas-separation performance in real time, the operando XRD experiment could serve as a diagnostic tool for research on high-temperature gas-separation membranes. As a proof-of-concept study, we simultaneously collected H₂-flux and transmission-XRD measurements, from which we calculated key hydrogen-transport properties, including permeability, solubility, and diffusivity. We also showed that the Pd lattice remained in the α phase throughout the operating conditions investigated. Furthermore these results are in reasonable agreement with the literature.

Authors:

^[1]; Lee, Kyoungjin ^[2]; Van Campen, Douglas G. ^[3]; Liguori, Simona ^[4];

^[3];

^[4]

Stanford Univ., Stanford, CA (United States)
Applied Materials, Sunnyvale, CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Worcester Polytechnic Institute, Worcester, MA (United States)

Publication Date:: Thu Dec 20 00:00:00 EST 2018

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1503641

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Industrial and Engineering Chemistry Research

Additional Journal Information:: Journal Volume: 58; Journal Issue: 2; Journal ID: ISSN 0888-5885

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Yuan, Mengyao, Lee, Kyoungjin, Van Campen, Douglas G., Liguori, Simona, Toney, Michael F., and Wilcox, Jennifer. Hydrogen Purification in Palladium-Based Membranes: An Operando X-ray Diffraction Study.  United States: N. p., 2018. 
Web.  doi:10.1021/acs.iecr.8b05017.

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                    Yuan, Mengyao, Lee, Kyoungjin, Van Campen, Douglas G., Liguori, Simona, Toney, Michael F., & Wilcox, Jennifer. Hydrogen Purification in Palladium-Based Membranes: An Operando X-ray Diffraction Study.  United States.  https://doi.org/10.1021/acs.iecr.8b05017

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                    Yuan, Mengyao, Lee, Kyoungjin, Van Campen, Douglas G., Liguori, Simona, Toney, Michael F., and Wilcox, Jennifer. Thu .  
"Hydrogen Purification in Palladium-Based Membranes: An Operando X-ray Diffraction Study".  United States.  https://doi.org/10.1021/acs.iecr.8b05017.  https://www.osti.gov/servlets/purl/1503641.

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@article{osti_1503641,

  title        = {Hydrogen Purification in Palladium-Based Membranes: An Operando X-ray Diffraction Study},

  author       = {Yuan, Mengyao and Lee, Kyoungjin and Van Campen, Douglas G. and Liguori, Simona and Toney, Michael F. and Wilcox, Jennifer},

  abstractNote = {Palladium (Pd)-based membranes are highly selective to H2, compact, and operationally flexible, and they could facilitate efficient and on-demand production of H2 as a clean energy carrier. For the first time, we designed an operando X-ray diffraction (XRD) experiment to study a dense Pd membrane during H2 permeation at typical operating conditions (e.g., 280–440 °C and 1–3 bar pressure difference). By correlating the lattice structure of a metallic membrane with its gas-separation performance in real time, the operando XRD experiment could serve as a diagnostic tool for research on high-temperature gas-separation membranes. As a proof-of-concept study, we simultaneously collected H2-flux and transmission-XRD measurements, from which we calculated key hydrogen-transport properties, including permeability, solubility, and diffusivity. We also showed that the Pd lattice remained in the α phase throughout the operating conditions investigated. Furthermore these results are in reasonable agreement with the literature.},

  doi          = {10.1021/acs.iecr.8b05017},

  journal      = {Industrial and Engineering Chemistry Research},

  number       = 2,

  volume       = 58,

  place        = {United States},

  year         = {Thu Dec 20 00:00:00 EST 2018},

  month        = {Thu Dec 20 00:00:00 EST 2018}

}

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