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Artykuły w czasopismach na temat „Hydrogen membranes”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Perry, John D., Kazukiyo Nagai, and William J. Koros. "Polymer Membranes for Hydrogen Separations." MRS Bulletin 31, no. 10 (2006): 745–49. http://dx.doi.org/10.1557/mrs2006.187.

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AbstractThe development of a hydrogen-based economy would generate a substantial necessity for efficient means of collecting hydrogen with a relatively high purity. Membrane separations play a major role in the separation of hydrogen gas from various gas mixtures, and this article discusses the use of polymeric materials to produce these membranes. After a review of the historical use of polymeric membranes and some background information regarding mechanisms of gas transport in membranes, this article will review the work that has been done in the two major classes of hydrogen separation memb

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Cheng, Hongda. "Rare Earth Tungstate: One Competitive Proton Conducting Material Used for Hydrogen Separation: A Review." Separations 10, no. 5 (2023): 317. http://dx.doi.org/10.3390/separations10050317.

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Membrane technology is an advanced hydrogen separation method that is of great significance in achieving hydrogen economy. Rare earth tungstate membranes have both high hydrogen permeability and remarkable mechanical/chemical stability, exhibiting good application prospects in hydrogen separation. This review provides the basic aspects and research progress on rare earth tungstate hydrogen separation membranes. The crystal structure, proton transport properties, and membrane stability under a chemical atmosphere are introduced. Different membrane construction designs, such as single-phase, dua

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3

Liu, Congmin, Xin Zhang, Junxiang Zhai, Xuan Li, Xiuying Guo, and Guangli He. "Research progress and prospects on hydrogen separation membranes." Clean Energy 7, no. 1 (2023): 217–41. http://dx.doi.org/10.1093/ce/zkad014.

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Abstract Membrane separation technologies, with a broad application prospect in the field of hydrogen separation, are characterized by the simplicity of the devices, high energy efficiency and environmental friendliness. The performance of separation membranes is the primary factor that determines the efficiency of hydrogen separation. Therefore, the development of hydrogen separation membranes is always a research focus. This paper presents and reviews the research developments and features of organic membranes, inorganic membranes and hybrid matrix membranes for hydrogen separations. First,

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Petriev, Iliya, Polina Pushankina, and Michail Drobotenko. "New Approaches to the Creation of Highly Efficient Pd-Ag and Pd-Cu Membranes and Modeling of Their Hydrogen Permeability." International Journal of Molecular Sciences 25, no. 23 (2024): 12564. http://dx.doi.org/10.3390/ijms252312564.

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Thin-film membranes of Pd-Ag and Pd-Cu alloys capable of releasing hydrogen in a wide temperature range have been developed. The surface activation of the membranes with a nanostructured coating made it possible to intensify hydrogen transport through Pd-containing membranes at low temperatures. This effect was achieved by accelerating limiting surface processes by increasing the active area of the membrane. Surface-activated membranes demonstrated the highest values of hydrogen flux over the entire temperature range, which reached up to 49.4 mmol s−1 m−2 for Pd-Ag membranes and up to 32.9 mmo

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Bhalani, Dixit V., and Bogyu Lim. "Hydrogen Separation Membranes: A Material Perspective." Molecules 29, no. 19 (2024): 4676. http://dx.doi.org/10.3390/molecules29194676.

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The global energy market is shifting toward renewable, sustainable, and low-carbon hydrogen energy due to global environmental issues, such as rising carbon dioxide emissions, climate change, and global warming. Currently, a majority of hydrogen demands are achieved by steam methane reforming and other conventional processes, which, again, are very carbon-intensive methods, and the hydrogen produced by them needs to be purified prior to their application. Hence, researchers are continuously endeavoring to develop sustainable and efficient methods for hydrogen generation and purification. Membr

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Zhang, Xiao Liang, Xu Feng Xie, and Yan Huang. "Pure Ni and Pd-Ni Alloy Membranes Prepared by Electroless Plating for Hydrogen Separation." Advanced Materials Research 179-180 (January 2011): 1309–13. http://dx.doi.org/10.4028/www.scientific.net/amr.179-180.1309.

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Pd-based composite membranes are the attractive membrane materials for hydrogen separation due to their high hydrogen permeability and infinite permselectivity. Thin pure Ni and Pd-Ni alloy membranes with high hydrogen permeation were prepared by the electroless plating method. It is difficult to prepare the dense pure Ni membranes with 1-2 μm thickness for hydrogen separation. However, Pd-Ni alloy membranes with several micrometers thickness showed good permeation performance. Hydrogen permeance of the Pd95Ni5 alloy membrane with fcc phase up to 3.1×10-6 mol/m2 s Pa and the ideal permselectiv

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Yasemin Yildiz, Yasemin Yildiz. "A New Approach to Hydrogen Sulfide Removal." Journal of the chemical society of pakistan 44, no. 1 (2022): 17. http://dx.doi.org/10.52568/000980/jcsp/44.01.2022.

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Many separation processes are used to capture of hydrogen sulfide. Which of these techniques to choose depends on the location of the gas. Conventional gas cleaning processes have significant disadvantages such as considerable energy, maintenance costs and environmental concerns. Compared to conventional processes, membranes are light and compact and have a lower environmental impact, higher energy efficiency and ease of use. Although some rubber and glassy polymer membranes have been used for gas separation, there is an opportunity to reach a much larger potential market with newer and better

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Cechetto, Valentina, Gaetano Anello, Arash Rahimalimamaghani, and Fausto Gallucci. "Carbon Molecular Sieve Membrane Reactors for Ammonia Cracking." Processes 12, no. 6 (2024): 1168. http://dx.doi.org/10.3390/pr12061168.

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The utilization of ammonia for hydrogen storage relies on the implementation of efficient decomposition techniques, and the membrane reactor, which allows simultaneous ammonia decomposition and hydrogen recovery, can be regarded as a promising technology. While Pd-based membranes show the highest performance for hydrogen separation, their applicability for NH3-sensitive applications, such as proton exchange membrane (PEM) fuel cells, demands relatively thick, and therefore expensive, membranes to meet the purity targets for hydrogen. To address this challenge, this study proposes a solution in

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9

Nishida, Ryoichi, Toshiki Tago, Takashi Saitoh, Masahiro Seshimo, and Shin-ichi Nakao. "Development of CVD Silica Membranes Having High Hydrogen Permeance and Steam Durability and a Membrane Reactor for a Water Gas Shift Reaction." Membranes 9, no. 11 (2019): 140. http://dx.doi.org/10.3390/membranes9110140.

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Water gas shift reaction of carbon monoxide (CO) with membrane reactors should be a promising method for hydrogen mass-production because of its high CO conversion, high hydrogen purity and low carbon dioxide emission. For developing such membrane reactors, we need hydrogen permselective membranes with high hydrogen permeance with order of 10−6 mol m−2 s−1 Pa−1 at 573 K and high steam durability. In this study, we have optimized the kind of substrates, precursors, vapor concentration, and chemical vapor deposition (CVD) time using the counter-diffusion CVD method for developing such membranes.

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Chiba, Yusuke, Shintaro Hayabe, William Salem, and Toshiaki Sawada. "Advancements in the Fabrication of Reinforced Proton Exchange Membranes and Exploration of Next-Generation Membrane Technologies." ECS Meeting Abstracts MA2024-02, no. 43 (2024): 2930. https://doi.org/10.1149/ma2024-02432930mtgabs.

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Developing a polymer-electrolyte membrane (PEM) as a water electrolysis (WE) component is crucial for achieving a hydrogen-based economy while reducing CO2 production. Among proton exchange membranes, per-fluorinated sulfonic acid (PFSA) membranes are considered key components due to their high proton conductivity and chemical and thermal stability. Over the next few years, the demand for PFSA membranes in the PEM electrolysis market is expected to rapidly grow, necessitating suppliers to enhance their manufacturing capabilities and membrane quality. Since 1975, AGC has been manufacturing PFSA

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Díaz-Abad, Sergio, Manuel A. Rodrigo, Cristina Sáez, and Justo Lobato. "Enhancement of the Green H2 Production by Using TiO2 Composite Polybenzimidazole Membranes." Nanomaterials 12, no. 17 (2022): 2920. http://dx.doi.org/10.3390/nano12172920.

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This study reports the hydrogen production using TiO2 based composite polybenzimidazole membranes through the SO2 depolarized electrolysis that requires lower energy input than the direct water electrolysis. Composite membranes prepared and studied in this work showed very promising results in terms of proton conductivity, chemical stability, and crossover. Thus, a reduction in SO2 crossover was observed with the increase of the concentration of TiO2, obtaining reductions as high as 42% with the 3.0 wt% TiO2-PBI membrane at 120 °C. Higher hydrogen production rates and Faradaic efficiencies wer

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12

Cerone, Nadia, Giuseppe Domenico Zito, Carmine Florio, Laura Fabbiano, and Francesco Zimbardi. "Recent Advancements in Pd-Based Membranes for Hydrogen Separation." Energies 17, no. 16 (2024): 4095. http://dx.doi.org/10.3390/en17164095.

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The use of hydrogen is pivotal for the energy and industrial transition in order to mitigate the effects of climate change. As technologies like fuel cells, e-fuels, and the semiconductor industry increasingly demand pure hydrogen, the development of efficient separation methods is crucial. While traditional methods such as pressure-swing adsorption are common, palladium (Pd)-based membranes are a promising alternative due to their energetic efficiency. This review summarizes the recent advances in Pd-based membranes for hydrogen separation over the last six years. It provides a theoretical ov

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13

Simonov, Alexander, Polina Pushankina, and Iliya Petriev. "NANOSTRUCTURED MEMBRANE MATERIALS FOR PRODUCING HIGH-PURITY HYDROGEN." Energy Systems 9, no. 2 (2024): 73–79. https://doi.org/10.34031/es.2024.2.007.

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Pd-based membranes are used for separation and purification of hydrogen in steam reforming reactors. However, at sufficiently low temperatures (less than 200°C), the penetrating flux of hydrogen through the membranes can be limited by the kinetics of surface processes. In the present study, the developed Pd-Ag-Ru alloy membranes were activated with a nanostructured modifying coating to intensify the hydrogen flux. This coating consisted of Pd nanoparticles deposited on the membrane surface, which are capable of significantly increasing the active surface area. Significant intensification of th

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14

Corredor, Juan, Eduardo Perez-Peña, Maria J. Rivero, and Inmaculada Ortiz. "Performance of rGO/TiO2 Photocatalytic Membranes for Hydrogen Production." Membranes 10, no. 9 (2020): 218. http://dx.doi.org/10.3390/membranes10090218.

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Although there are promising environmental and energy characteristics for the photocatalytic production of hydrogen, two main drawbacks must be overcome before the large- scale deployment of the technology becomes a reality, (i) the low efficiency reported by state of the art photocatalysts and, (ii) the short life time and difficult recovery of the photocatalyst, issues that need research and development for new high performance catalysts. In this work 2% rGO/TiO2 composite photocatalysts were supported over Nafion membranes and the performance of the photocatalytic membrane was tested for hy

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15

Han, Jae-Yun, Chang-Hyun Kim, Sang-Ho Kim, and Dong-Won Kim. "Development of Pd Alloy Hydrogen Separation Membranes with Dense/Porous Hybrid Structure for High Hydrogen Perm-Selectivity." Advances in Materials Science and Engineering 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/438216.

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For the commercial applications of hydrogen separation membranes, both high hydrogen selectivity and permeability (i.e., perm-selectivity) are required. However, it has been difficult to fabricate thin, dense Pd alloy composite membranes on porous metal support that have a pore-free surface and an open structure at the interface between the Pd alloy films and the metal support in order to obtain the required properties simultaneously. In this study, we fabricated Pd alloy hydrogen separation membranes with dense/porous hybrid structure for high hydrogen perm-selectivity. The hydrogen selectivi

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16

Panichkin, A. V., B. K. Kenzhaliyev, A. K. Kenzhegulov, A. T. Imbarova, Zh A. Кarboz, and A. Shah. "The effect of the catalytic layer composition on the hydrogen permeability of assymetric tantalum-based membranes." Kompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu 4, no. 315 (2020): 82–95. http://dx.doi.org/10.31643/2020/6445.40.

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The paper offers the measuring results for hydrogen permeability of the membranes made of 40 μm thick tantalum foil covered with a metallic film with different thicknesses on one side. The measurements were performed when the membranes were in contact with a commercial argon and hydrogen gases mixed at the ratio of 1/5 at an overpressure of 500 kPa and at 580-585°C. It is shown that films of Mo, Re, W, Cu, Co, and Ni metals deposited on the tantalum membrane surface from the side facing a hydrogen-containing gas mixture increase its hydrogen permeability. The effect degree of these metals incr

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17

Liubymenko, O. M., and O. A. Shtepa. "Restoration of palladium membranes after contact with hydrogen for hydrogen-oxygen fuel cells." Journal of electrical and power engineering 31, no. 2 (2024): 76–81. http://dx.doi.org/10.31474/2074-2630-2024-2-76-81.

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Annotation. Studying the deformations of palladium membranes under the influence of hydrogen, which is a relevant issue for hydrogen energy and the nuclear industry. The mechanisms of palladium membrane shape change due to hydrogen penetration and the formation of temporary gradient alloys such as α-PdHn are consid-ered. Experiments were conducted using a hydrogen-vacuum installation, where the processes of membrane satu-ration and degassing were studied at temperatures from 100°C to 360°C and hydrogen pressures from 0.01 MPa to 2.5 MPa. It was established that the change in the shape of the m

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Wang, Sheng, Isao Tabata, Kenji Hisada, and Teruo Hori. "Hydrogen evolution sensitized by tin porphyrin fixed membranes." Journal of Porphyrins and Phthalocyanines 07, no. 03 (2003): 199–204. http://dx.doi.org/10.1142/s1088424603000276.

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A novel, photoinduced hydrogen evolution system involving a tin porphyrin ( SnTPP ) fixed membrane was studied with two different types of PVC membranes: homogeneous and porous. It was found that the porous PVC membrane system could efficiently reduce water to evolve hydrogen compared with the homogeneous type. The results confirmed that hydrogen evolution in the SnTPP / PVC membrane system depended strongly on the surface of the membrane and the degree of aggregation of SnTPP . SEM images of the two types of SnTPP / PVC membranes also show the differences in both morphologies.

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Akamatsu, Kazuki, and Shin-ichi Nakao. "Membrane Reactors for Hydrogen Production with Hydrogen-selective Silica Membranes." MEMBRANE 36, no. 3 (2011): 104–12. http://dx.doi.org/10.5360/membrane.36.104.

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Gebhardt, Ryan, Jacob A. Wrubel, Samuel Bartuska, et al. "Advancements in Thin, Reinforced Proton Exchange Membranes for Water Electrolysis." ECS Meeting Abstracts MA2023-01, no. 36 (2023): 1999. http://dx.doi.org/10.1149/ma2023-01361999mtgabs.

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Proton exchange membrane water electrolysis (PEMWE) is emerging as one of the most promising methods to produce clean hydrogen at industrial scale. New PEMWE stack designs require high voltage efficiency and differential pressure operation without sacrificing low hydrogen in oxygen concentrations in the anode stream. Membranes used in current stack designs, such as Chemours Nafion™ N115, are thick to provide strong mechanical stability. However, employing a thinner and mechanically supported membrane can enhance both the electrochemical performance and mechanical properties. With the demand fo

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Verweij, Henk, Y. S. Lin, and Junhang Dong. "Microporous Silica and Zeolite Membranes for Hydrogen Purification." MRS Bulletin 31, no. 10 (2006): 756–64. http://dx.doi.org/10.1557/mrs2006.189.

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AbstractMicroporous amorphous silica and zeolite membranes are made as thin films on a multilayer porous support. The membranes have a network of connected micropores with ∼0.5–nm diameters. Net transport of small molecules on this network occurs under the driving force of a gradient in chemical potential. Favorable combinations of sorption selectivity and diffusion mobility in the membrane materials lead to high H2 fluxes and good selectivity with respect to other gases. The membranes show potential for application in H2 separation under harsh conditions. Amorphous silica membranes show very

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Suzuki, Asuka, and Hiroshi Yukawa. "A Review for Consistent Analysis of Hydrogen Permeability through Dense Metallic Membranes." Membranes 10, no. 6 (2020): 120. http://dx.doi.org/10.3390/membranes10060120.

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The hydrogen permeation coefficient (ϕ) is generally used as a measure to show hydrogen permeation ability through dense metallic membranes, which is the product of the Fick’s diffusion coefficient (D) and the Sieverts’ solubility constant (K). However, the hydrogen permeability of metal membranes cannot be analyzed consistently with this conventional description. In this paper, various methods for consistent analysis of hydrogen permeability are reviewed. The derivations of the descriptions are explained in detail and four applications of the consistent descriptions of hydrogen permeability a

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Nenoff, Tina M., Richard J. Spontak, and Christopher M. Aberg. "Membranes for Hydrogen Purification: An Important Step toward a Hydrogen-Based Economy." MRS Bulletin 31, no. 10 (2006): 735–44. http://dx.doi.org/10.1557/mrs2006.186.

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AbstractProduction of pure molecular hydrogen is essential to the realization of the proposed “hydrogen economy” that could ultimately provide hydrogen as a clean, renewable source of energy; eliminate the industrialized world's dependence on petroleum; and reduce the generation of greenhouse gases linked to global warming. A crucial step in obtaining pure hydrogen is separating it from other gaseous compounds—mainly CO2—that often accompany hydrogen in industrial chemical reactions. Advanced membrane technology may prove to be the key to the successful, economical production of molecular hydr

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Alentiev, Dmitry A., Maxim V. Bermeshev, Alexey V. Volkov, Inna V. Petrova, and Andrey B. Yaroslavtsev. "Palladium Membrane Applications in Hydrogen Energy and Hydrogen-Related Processes." Polymers 17, no. 6 (2025): 743. https://doi.org/10.3390/polym17060743.

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In recent years, increased attention has been paid to environmental issues and, in connection with this, to the development of hydrogen energy. In turn, this requires the large-scale production of ultra pure hydrogen. Currently, most hydrogen is obtained by converting natural gas and coal. In this regard, the issue of the deep purification of hydrogen for use in fuel cells is very relevant. The deep purification of hydrogen is also necessary for some other areas, including microelectronics. Only palladium membranes can provide the required degree of purification. In addition, the use of membra

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Tian, Ai Hua, and Dong Hui Shen. "Zirconium Hydrogen Phosphate/Sulfonated Poly(arylyene ether)s Composite Membrane for Direct Methanol Fuel Cells." Advanced Materials Research 971-973 (June 2014): 224–27. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.224.

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Zirconium hydrogen phosphate / sulfonated poly (arylyene ether) s composite membranes has been prepared and evaluated by the unit cell test for direct methanol fuel cell (DMFC) applications. The comparison between the performances of zirconium hydrogen phosphate/ sulfonated poly (arylyene ether) s composite membranes and Nafion 115 shows that the unit cell performance with composite membrane was superior to that of Nafion, which makes zirconium hydrogen phosphate/ sulfonated poly (arylyene ether) s composite membrane a potential candidate for direct methanol fuel cells.

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Hägg, May-Britt, and Robert Quinn. "Polymeric Facilitated Transport Membranes for Hydrogen Purification." MRS Bulletin 31, no. 10 (2006): 750–55. http://dx.doi.org/10.1557/mrs2006.188.

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AbstractThe most widely used method of hydrogen production, steam methane reforming, yields a product stream consisting mainly of hydrogen (H2) and carbon dioxide (CO2). Purification of this product is currently accomplished using amine-based acid gas scrubbers or pressure swing adsorption technology. Membranes are well suited to bulk CO2 removal and offer a viable alternative to these established technologies. This review considers one type of such membranes, polymeric facilitated transport membranes. These membranes selectively permeate CO2 by means of a reversible reaction between the gas a

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Chen, Lingsu, Shuai Li, Zhaohui Yin, et al. "Hydrogen Flux Inhibition of Pd-Ru Membranes under Exposure to NH3." Membranes 14, no. 3 (2024): 59. http://dx.doi.org/10.3390/membranes14030059.

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The hydrogen flux inhibition of Pd-Ru membranes under exposure to 1–10% NH3 at 673–773 K was investigated. The Pd-Ru membranes were characterized by XRD, SEM, XPS, and hydrogen permeation tests. The results show that when exposed to 1–10% NH3 at 723 K for 6 h, the hydrogen flux of Pd-Ru membranes sharply decreases by 15–33%, and the decline in hydrogen flux becomes more significant with increasing temperatures. After the removal of 1–10% NH3, 100% recovery of hydrogen flux is observed. XPS results show that nitrogenous species appear on the membrane surface after NH3 exposure, and the hydrogen

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Rosseau, Leon R. S., José A. Medrano, Rajat Bhardwaj, et al. "On the Potential of Gallium- and Indium-Based Liquid Metal Membranes for Hydrogen Separation." Membranes 12, no. 1 (2022): 75. http://dx.doi.org/10.3390/membranes12010075.

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The concept of liquid metal membranes for hydrogen separation, based on gallium or indium, was recently introduced as an alternative to conventional palladium-based membranes. The potential of this class of gas separation materials was mainly attributed to the promise of higher hydrogen diffusivity. The postulated improvements are only beneficial to the flux if diffusion through the membrane is the rate-determining step in the permeation sequence. Whilst this is a valid assumption for hydrogen transport through palladium-based membranes, the relatively low adsorption energy of hydrogen on both

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Lee, Kyoung-Jin, Yeong-Ju Choe, Jun-Sung Lee та Hae-Jin Hwang. "Fabrication of a Microtubular La0.6Sr0.4Ti0.2Fe0.8O3−δMembrane by Electrophoretic Deposition for Hydrogen Production". Advances in Materials Science and Engineering 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/505989.

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Microtubular type La0.6Sr0.4Ti0.2Fe0.8O3−δ(LSTF) membranes were prepared by electrophoretic deposition (EPD). The oxygen permeation and hydrogen production behavior of the membranes were investigated under various conditions. LSTF green layer was successfully coated onto a carbon rod and, after heat treatment at 1400°C in air, a dense LSTF tubular membrane with a thickness of 250 mm can be obtained. The oxygen permeation and hydrogen production rate were enhanced by CH4in the permeate side, and the hydrogen production rate by water splitting was 0.22 mL/min·cm2at 1000°C. It is believed that hy

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Diaz-Abad, Sergio, Sandra Fernández-Mancebo, Manuel A. Rodrigo, and Justo Lobato. "Characterization of PBI/Graphene Oxide Composite Membranes for the SO2 Depolarized Electrolysis at High Temperature." Membranes 12, no. 2 (2022): 116. http://dx.doi.org/10.3390/membranes12020116.

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In this work, polybenzimidazole (PBI) membranes with different graphene oxide (GO) contents (0.5, 1.0, 2.0, and 3.0 wt %) as organic filler have been prepared. The X-ray diffraction confirms the incorporation of the filler into the polymeric membrane. The composite GO-based PBI membranes show better proton conductivity at high temperature (110–170 °C) than the pristine one. Moreover, the hydrophobicity of the PBI membranes is also improved, enhancing water management. The chemical stability demonstrates the benefit of the incorporation of GO in the PBI matrix. What is more, the composite PBI-b

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Kim, Kyeong Il, Sung Woong Yoo, Na Ri Lee, and Tae Whan Hong. "Fabrications and Evaluations of Hydrogen Permeation on Al₂O₃-CuO-ZnO(ACZ)/Pd Coated Membrane." Materials Science Forum 695 (July 2011): 255–58. http://dx.doi.org/10.4028/www.scientific.net/msf.695.255.

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The most promising methods for high purity hydrogen production are membranes separation such as polymer, metal, ceramic and composites. It is well known that Pd and Pd-alloys membranes have excellent properties for hydrogen separation. However, it has hydrogen embrittlement and high cost for practical applications. Therefore, most scientists have studied new materials instead of Pd and Pd-alloys. On the other hand, ceramic materials are great in resistance to acids and chemically stable under high operating temperature. Recent research in cermet materials for membrane applications interests to

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Chuah, Chong Yang, Xu Jiang, Kunli Goh, and Rong Wang. "Recent Progress in Mixed-Matrix Membranes for Hydrogen Separation." Membranes 11, no. 9 (2021): 666. http://dx.doi.org/10.3390/membranes11090666.

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Membrane separation is a compelling technology for hydrogen separation. Among the different types of membranes used to date, the mixed-matrix membranes (MMMs) are one of the most widely used approaches for enhancing separation performances and surpassing the Robeson upper bound limits for polymeric membranes. In this review, we focus on the recent progress in MMMs for hydrogen separation. The discussion first starts with a background introduction of the current hydrogen generation technologies, followed by a comparison between the membrane technology and other hydrogen purification technologie

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Nikolic, Nikola, Björn Eriksson, Rakel Lindstrom, Carina Lagergren, and Göran Lindbergh. "Hydrogen Crossover in Anion Exchange Membrane Fuel Cells." ECS Meeting Abstracts MA2023-02, no. 39 (2023): 1912. http://dx.doi.org/10.1149/ma2023-02391912mtgabs.

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In recent years anion exchange membrane fuel cells (AEMFC) have started to draw more attention by potentially allowing catalysts based on more abundant materials, and by showing high performance [1]. One often overlooked parameter in these systems is membrane permeability of hydrogen, often referred to as hydrogen crossover, which directly affects fuel cell stability and efficiency. This undesirable effect creates mixed potential due to the permeated hydrogen reacting with oxygen on the cathode, and not generating useful electric energy, only water and heat [2]. The generated heat creates hots

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Sato, Shuichi, and Kazukiyo Nagai. "Polymer Membranes with Hydrogen-Selective and Hydrogen- Rejective Properties." MEMBRANE 30, no. 1 (2005): 20–28. http://dx.doi.org/10.5360/membrane.30.20.

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Poteryaeva, V. A., and M. A. Bubenchikov. "Hydrogen isotope separation through bi-layer membranes." Izvestiya vysshikh uchebnykh zavedenii. Fizika, no. 5 (2021): 74–78. http://dx.doi.org/10.17223/00213411/64/5/74.

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The quantum sieving mechanism through the bilayer membranes calculated on hydrogen isotopes is described. The technology for determining the potential energy of interaction of a monoatomic membrane is presented. The permeability of membranes obtained via the matrix method of solving the differential Schrödinger equation. It consists of using the linking technology at the boundaries of the calculated interval. The permeability of a bilayer graphidine membrane for hydrogen isotopes H2, D2, T2, HD is considered. The resonant regimes of the components passage are found and the conditions favorable

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Esposito, Daniel V., Kyungmin Yim, Daniela V. Fraga Alvarez, et al. "(Invited) Proton Exchange Membrane Electrolyzers Based on Sub-Micron Thick Membranes." ECS Meeting Abstracts MA2023-01, no. 36 (2023): 2028. http://dx.doi.org/10.1149/ma2023-01362028mtgabs.

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Significant decreases in the price of electricity from solar photovoltaics and wind are enabling concurrent decreases in the cost of clean hydrogen production by water electrolysis. However, to meet the US Department of Energy’s Hydrogen Shot Initiative target for levelized cost of hydrogen production of < $1 per kg of hydrogen by the year 2030,[1] it will also be necessary to drive down the capital costs of water electrolyzers. Reducing capital costs is especially important for scenarios where close to 100% of the electricity is provided by variable renewable energy generators, which great

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Park, Ji Hee, Mie Won Jung та Tae Whan Hong. "Evaluations of Hydrogen Permeation on γ-Al₂O₃ Synthesized by Sol-Gel Process". Materials Science Forum 620-622 (квітень 2009): 25–28. http://dx.doi.org/10.4028/www.scientific.net/msf.620-622.25.

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The purpose of this work was hydrogen permeation of ceramic or metal/ceramic membrane using γ-Al2O3 by synthesizing. The γ-Al2O3 was synthesized by using the sol-gel process with aluminum isopropoxide and primary distilled water as the precursor and solvent. The γ-Al2O3-based membranes were prepared using HPS. The phase transformation, thermal evolution, surface are and morphology of γ-Al2O3 and γ-Al2O3-based membranes were characterized by XRD, TG-DTA, BET and FE-SEM. The hydrogen permeation of γ-Al2O3-based membranes was examined at room temperature comparing with other paper using nickel co

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Bai, Zhongxiang, Shuning Liu, Chenchen Liu, Guo Lin, Kun Jia, and Xiaobo Liu. "Super-wetting membrane with internalized PVA-TA gel networks for oil/water separation." Journal of Physics: Conference Series 2338, no. 1 (2022): 012036. http://dx.doi.org/10.1088/1742-6596/2338/1/012036.

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Abstract In this paper, dimethyl sulfoxide (DMSO) was used as the hydrogen bond inhibitor to realize the co-dissolution of polyvinyl alcohol (PVA) and tannic acid (TA) in the casting solution. When the casting solution was placed in a water coagulation bath, the hydrogen bond cross-linking between PVA and TA is re-established, realizing the in-situ hydrogel network modification of the ultrafiltration membrane. The results show that the as-prepared membranes have underwater super-oleophobic properties and exhibit excellent anti-fouling ability during the separation of oil-in-water emulsions.

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Wunsch, Alexander, Paul Kant, Marijan Mohr, Katja Haas-Santo, Peter Pfeifer, and Roland Dittmeyer. "Recent Developments in Compact Membrane Reactors with Hydrogen Separation." Membranes 8, no. 4 (2018): 107. http://dx.doi.org/10.3390/membranes8040107.

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Hydrogen production and storage in small and medium scale, and chemical heat storage from renewable energy, are of great interest nowadays. Micro-membrane reactors for reforming of methane, as well as for the dehydrogenation of liquid organic hydrogen carriers (LOHCs), have been developed. The systems consist of stacked plates with integrated palladium (Pd) membranes. As an alternative to rolled and electroless plated (Pd) membranes, the development of a cost-effective method for the fabrication of Pd membranes by suspension plasma spraying is presented.

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Hei, Yuepeng, Zuojun Lu, Claudia Li та ін. "Ce0.8Y0.2O2-δ-BaCe0.8Y0.2O3-δ Dual-Phase Hollow Fiber Membranes for Hydrogen Separation". Inorganics 11, № 9 (2023): 360. http://dx.doi.org/10.3390/inorganics11090360.

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Partial oxidation of methane (POM) is a prominent pathway for syngas production, wherein the hydrogen in syngas product can be recovered directly from the reaction system using a hydrogen (H2)-permeable membrane. Enhancing the efficiency of this H2 separation process is a current major challenge. In this study, Ce0.8Y0.2O2-δ-BaCe0.8Y0.2O3-δ (YDC-BCY) hollow fiber (HF) membranes were developed and characterized for their H2 permeation fluxes. Firstly, YDC and BCY ceramic powders were synthesized using the sol-gel method, followed by the fabrication of YDC-BCY dual-phase ceramic HF membranes usi

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Malagón-Romero, Dionisio H., Alexander Ladino, Nataly Ortiz, and Liliana P. Green. "Characterization of a Polymeric Membrane for the Separation of Hydrogen in a Mixture with CO2." Open Fuels & Energy Science Journal 9, no. 1 (2016): 126–36. http://dx.doi.org/10.2174/1876973x01609010126.

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Hydrogen is expected to play an important role as a clean, reliable and renewable energy source. A key challenge is the production of hydrogen in an economically and environmentally sustainable way on an industrial scale. One promising method of hydrogen production is via biological processes using agricultural resources, where the hydrogen is found to be mixed with other gases, such as carbon dioxide. Thus, to separate hydrogen from the mixture, it is challenging to implement and evaluate a simple, low cost, reliable and efficient separation process. So, the aim of this work was to develop a

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Cheng, Hongda. "Dual-Phase Mixed Protonic-Electronic Conducting Hydrogen Separation Membranes: A Review." Membranes 12, no. 7 (2022): 647. http://dx.doi.org/10.3390/membranes12070647.

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Owing to the excellent properties of high selectivity, high thermal stability, and low cost, in the past twenty years, mixed protonic-electronic conducting hydrogen separation membranes have received extensive attention. In particular, dual-phase mixed protonic-electronic conducting membranes with high ambipolar conductivity are more attractive because of the high hydrogen permeability. This paper aimed to present a review of research activities on the dual-phase membranes, in which the components, the characteristics, and the performances of different dual-phase membranes are introduced. The

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Hara, Shigeki, Misaki Ishitsuka, Hiroyuki Suda, Masakazu Mukaida, and Kenji Haraya. "Application of Extended Permeability to a Thick Palladium Membrane." Advanced Materials Research 117 (June 2010): 81–85. http://dx.doi.org/10.4028/www.scientific.net/amr.117.81.

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Some dense metal membranes are permeable only to hydrogen, useful to produce and purify hydrogen. Conventionally, hydrogen permeation flux through metal membranes is described as the square-root law. The permeability defined in the law is commonly used as a measure of membrane material. However, deviation from the law has been widely reported. We have extended the definition of permeability for precise description. This study applied it to a thick palladium membrane down to 0.01 MPa in absolute pressure. Experimental results showed that hydrogen permeation flux through the palladium membrane 2

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Nechifor, Aurelia Cristina, Alexandru Goran, Vlad-Alexandru Grosu, et al. "Reactional Processes on Osmium–Polymeric Membranes for 5–Nitrobenzimidazole Reduction." Membranes 11, no. 8 (2021): 633. http://dx.doi.org/10.3390/membranes11080633.

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Membranes are associated with the efficient processes of separation, concentration and purification, but a very important aspect of them is the realization of a reaction process simultaneously with the separation process. From a practical point of view, chemical reactions have been introduced in most membrane systems: with on-liquid membranes, with inorganic membranes or with polymeric and/or composite membranes. This paper presents the obtaining of polymeric membranes containing metallic osmium obtained in situ. Cellulose acetate (CA), polysulfone (PSf) and polypropylene hollow fiber membrane

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Rashid, Aasir, Hyunjung Lim, Daniel Plaz, et al. "Hydrogen-Tolerant La0.6Ca0.4Co0.2Fe0.8O3–d Oxygen Transport Membranes from Ultrasonic Spray Synthesis for Plasma-Assisted CO2 Conversion." Membranes 13, no. 11 (2023): 875. http://dx.doi.org/10.3390/membranes13110875.

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La0.6Ca0.4Co1–xFexO3–d in its various compositions has proven to be an excellent CO2-resistant oxygen transport membrane that can be used in plasma-assisted CO2 conversion. With the goal of incorporating green hydrogen into the CO2 conversion process, this work takes a step further by investigating the compatibility of La0.6Ca0.4Co1–xFexO3–d membranes with hydrogen fed into the plasma. This will enable plasma-assisted conversion of the carbon monoxide produced in the CO2 reduction process into green fuels, like methanol. This requires the La0.6Ca0.4Co1–xFexO3–d membranes to be tolerant towards

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Zarei, Homa, Hadis Zarrin, Pegah Emami Moghaddam, Arvin Taghizadeh Tabrizi, and Reza Eslami. "Nano-Engineered Hydrogel Electrolyte Membranes for High-Efficiency Hydrogen Production through Water Electrolysis." ECS Meeting Abstracts MA2025-01, no. 38 (2025): 1865. https://doi.org/10.1149/ma2025-01381865mtgabs.

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Hydrogen production through water electrolysis represents a key technology for achieving sustainable energy solutions, particularly in the transition towards net-zero carbon emissions. To address challenges such as high energy consumption, limited material efficiency, and water scarcity, this study introduces a novel class of nano-engineered hydrogel electrolyte membranes based on polyvinyl alcohol (PVA) engineered with functionalized 2D nanomaterials such as hexagonal boron nitride (hBN) and layered double hydroxides (LDH). These materials are engineered to provide enhanced ionic conductivity

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Uemiya, Shigeyuki. "Metal Membranes for Hydrogen Separation." MEMBRANE 30, no. 1 (2005): 13–19. http://dx.doi.org/10.5360/membrane.30.13.

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Suda, Hiroyuki, and Kenji Haraya. "Hydrogen Separation with Carbon Membranes." MEMBRANE 30, no. 1 (2005): 7–12. http://dx.doi.org/10.5360/membrane.30.7.

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Li, Wenping, Zhongwei Cao, Lili Cai, Lixiao Zhang, Xuefeng Zhu, and Weishen Yang. "H2S-tolerant oxygen-permeable ceramic membranes for hydrogen separation with a performance comparable to those of palladium-based membranes." Energy & Environmental Science 10, no. 1 (2017): 101–6. http://dx.doi.org/10.1039/c6ee02967a.

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We propose a new method for hydrogen separation using an oxygen-permeable ceramic membrane, and achieve a high hydrogen separation rate comparable to those of Pd-based membranes and excellent stability under a H<sub>2</sub>S-containing atmosphere.

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Vicinanza, Nicla, Ingeborg-Helene Svenum, Thijs Peters, Rune Bredesen, and Hilde Venvik. "New Insight to the Effects of Heat Treatment in Air on the Permeation Properties of Thin Pd77%Ag23% Membranes." Membranes 8, no. 4 (2018): 92. http://dx.doi.org/10.3390/membranes8040092.

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Sputtered Pd77%Ag23% membranes of thickness 2.2–8.5 µm were subjected to a three-step heat treatment in air (HTA) to investigate the relation between thickness and the reported beneficial effects of HTA on hydrogen transport. The permeability experiments were complimented by volumetric hydrogen sorption measurements and atomic force microscopy (AFM) imaging in order to relate the observed effects to changes in hydrogen solubility and/or structure. The results show that the HTA—essentially an oxidation-reduction cycle—mainly affects the thinner membranes, with the hydrogen flux increasing stepw

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