Publication

A membrane-less electrolyzer for hydrogen production across the pH scale

Publications associées (89)

Amorphous Molybdenum Sulfide Films as Hydrogen Evolution Catalysts in Water

Molecular hydrogen is a promising candidate to replace fossil fuels as the energy carrier. Hydrogen does not exist in its molecular form on earth and must therefore be generated, starting from hydrogen-rich compounds. Water would be a renewable resource fo ...

EPFL2012

Formic acid as a hydrogen source – recent developments and future trends

Gabor Laurenczy, Martin Grasemann

Formic acid has recently been suggested as a promising hydrogen storage material. The basic concept is briefly discussed and the recent advances in the development of formic acid dehydrogenation catalysts are shown. Both the state of research for heterogen ...

Royal Soc Chemistry2012

Reversible hydrogen absorption in sodium intercalated fullerenes

Philippe Mauron

The hydrogen absorption of sodium intercalated fullerenes (Na xC60) was determined and compared to pure fullerenes (C60). Up to 3.5 mass% hydrogen can reversibly be absorbed in Na xC60 at 200 °C and a hydrogen pressure of 200 bar. The absorbed amount of hy ...

2012

Highly ordered palladium nanodot patterns for full concentration range hydrogen sensing

Jürgen Brugger, Luis Guillermo Villanueva Torrijo, Thomas Kiefer

A hydrogen sensor based on a novel fabrication process that combines the precision of advanced nano-fabrication techniques with a bottom-up process based on electrochemistry is presented. The sensor allows for reliable detection between 0.1% and 100% of H2 ...

2012

Amorphous Molybdenum Sulfide Films as Catalysts for Electrochemical Hydrogen Production in Water

Xile Hu, Heron Vrubel, Stéphane Fierro, Daniel Andreas Merki

Amorphous molybdenum sulfide films are efficient hydrogen evolution catalysts in water. The films are prepared via simple electro-polymerization procedures and are characterized by XPS, electron microscopy and electronic absorption spectroscopy. Whereas th ...

2011

Amorphous transition metal sulphide films or solids as efficient electrocatalysts for hydrogen production from water or aqueous solutions

Xile Hu, Heron Vrubel, Daniel Andreas Merki

The present invention relates to metal electrocatalysts for hydrogen production from water or aqueous solutions and use thereof in electrodes and electrolysers. ...

2011

Reaction of C60 with Hydrogen Gas: In Situ Monitoring and Pathways

Yury Tsybin

Kinetics and pathways of C60 reaction with hydrogen gas were studied in a broad temperature interval and over extended periods of time. Specifically, hydrogenation was monitored in situ at high temperature and high hydrogen pressure conditions using the gr ...

American Chemical Society2011

Ultra-low power palladium-coated MEMS resonators for hydrogen detection under ambient conditions

Jürgen Brugger, Luis Guillermo Villanueva Torrijo, Jonas Gustav Henriksson

We present a novel approach for hydrogen gas detection, based on palladium-coated micromechanical resonators. A sequence of thin film technniques allows the large-scale parallel fabrication of free-standing beams separated from a counter-electrode by a mes ...

IEEE2011

Phosphoric Acid-Catalyzed Enantioselective Transfer Hydrogenation of N-Aryl-ortho-Hydroxybenzophenone Ketimines

Qian Wang

The first enantioselective chiral phosphoric acid-catalyzed transfer hydrogenation of N-aryl-ortho-hydroxybenzophenone ketimines using a Hantzsch ester as hydrogen source was developed to afford, after removal of the N-aryl group, the corresponding chiral ...

Wiley-Blackwell2011

Pd-functionalized MEMS resonator for hydrogen gas sensing

Jürgen Brugger, Luis Guillermo Villanueva Torrijo, Thomas Kiefer, Jonas Gustav Henriksson

This work presents the fabrication and characterization of a novel hydrogen-detecting micro-resonator based on the expansion of palladium (Pd) as it is exposed to hydrogen (H2) gas. The working principle of the device has been confirmed and it shows a stro ...

2010

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