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Synthesis and characterization of composite membranes modified with Halloysite nanotubes and phosphotungstic acid for electrochemical hydrogen pumps
descriptionPublicationkeyboard_double_arrow_right Article , Journal 2018 Italy Publisher:Elsevier BV
Authors: Janet Ledesma-García; Luis Gerardo Arriaga; A. Álvarez; Jennifer A. Bañuelos; +7 Authors
Janet Ledesma-García; Luis Gerardo Arriaga; A. Álvarez; Jennifer A. Bañuelos; R. Pedicini; A. Rico-Zavala; Lorena Álvarez-Contreras; M.P. Gurrola; A. Saccà; Alessandra Carbone; Fabio Matera;
doi: 10.1016/j.renene.2018.01.054
doi: 10.1016/j.renene.2018.01.054
One of the main problems in electrochemical hydrogen pumps is the transport of protons, water retention and hydrogen crossover through the membrane. Considering prospects for an electrochemical hydrogen compression system, in this work, membranes based on Sulfonated Poly (Ether-Ether Ketone) (SPEEK) were made and modified with Halloysite nanotubes (HNT) and Halloysite nanotubes impreg- nated with phosphotungstic acid (PWA/HNT30)15. These modified membranes were physicochemically characterized by scanning electron microscopy (SEM), X-Ray diffraction (XRD), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). It was found that the nanotubes were suc- cessfully incorporated by impregnating the heteropolyacid on the nanotubes. In addition, the membranes were characterized by swelling (area and volume) and WUp, obtaining a slight decrease in these values. In contrast, the proton conductivity was increased by 42% and 88% for the membranes impregnated with HNTs and (PWA/HNT30)15, respectively. Finally, the membranes were evaluated in a hydrogen pumping system, and lower energy consumption at j = 0.4 A cm-2 has been obtained.
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Article . 2018 . Peer-reviewed
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Journal
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Synthesis and characterization of composite membranes modified with Halloysite nanotubes and phosphotungstic acid for electrochemical hydrogen pumps
descriptionPublicationkeyboard_double_arrow_right Article , Journal 2018 Italy Publisher:Elsevier BV
Authors: Janet Ledesma-García; Luis Gerardo Arriaga; A. Álvarez; Jennifer A. Bañuelos; +7 Authors
Janet Ledesma-García; Luis Gerardo Arriaga; A. Álvarez; Jennifer A. Bañuelos; R. Pedicini; A. Rico-Zavala; Lorena Álvarez-Contreras; M.P. Gurrola; A. Saccà; Alessandra Carbone; Fabio Matera;
doi: 10.1016/j.renene.2018.01.054
doi: 10.1016/j.renene.2018.01.054
One of the main problems in electrochemical hydrogen pumps is the transport of protons, water retention and hydrogen crossover through the membrane. Considering prospects for an electrochemical hydrogen compression system, in this work, membranes based on Sulfonated Poly (Ether-Ether Ketone) (SPEEK) were made and modified with Halloysite nanotubes (HNT) and Halloysite nanotubes impreg- nated with phosphotungstic acid (PWA/HNT30)15. These modified membranes were physicochemically characterized by scanning electron microscopy (SEM), X-Ray diffraction (XRD), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). It was found that the nanotubes were suc- cessfully incorporated by impregnating the heteropolyacid on the nanotubes. In addition, the membranes were characterized by swelling (area and volume) and WUp, obtaining a slight decrease in these values. In contrast, the proton conductivity was increased by 42% and 88% for the membranes impregnated with HNTs and (PWA/HNT30)15, respectively. Finally, the membranes were evaluated in a hydrogen pumping system, and lower energy consumption at j = 0.4 A cm-2 has been obtained.
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Article . 2018
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Renewable Energy
Article . 2018 . Peer-reviewed
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Renewable Energy
Journal
Data sources: Microsoft Academic Graph
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CNR ExploRAarrow_drop_down
CNR ExploRA
Article . 2018
Data sources: CNR ExploRA
Renewable Energy
Article . 2018 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Renewable Energy
Journal
Data sources: Microsoft Academic Graph
linkLink to
shareshareShare
citeCite
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Synthesis and characterization of composite membranes modified with Halloysite nanotubes and phosphotungstic acid for electrochemical hydrogen pumps

Synthesis and characterization of composite membranes modified with Halloysite nanotubes and phosphotungstic acid for electrochemical hydrogen pumps

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Synthesis and characterization of composite membranes modified with Halloysite nanotubes and phosphotungstic acid for electrochemical hydrogen pumps

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Synthesis and characterization of composite membranes modified with Halloysite nanotubes and phosphotungstic acid for electrochemical hydrogen pumps

Energy Research
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