Recherche

Afficher tous les résultats pour

Accueil

Personne

Andreas Züttel

À propos
Confidentialité
Mentions légales

Graph Chatbot

Publications associées (108)

Identifying Reaction Species by Evolutionary Fitting and Kinetic Analysis: An Example of CO2 Hydrogenation in DRIFTS

Andreas Züttel, Kun Zhao, Ligang Wang, Marco Calizzi, Emanuele Moioli

Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) investigations of molecules at the surface of catalysts exhibit a strong overlap of the adsorption peaks. Therefore, the investigation of the CO2 hydrogenation on a highly active catalyst ...

2019

Metal hydride compressor control device and method

Andreas Züttel, Noris André Gallandat

The present relates to a Metal hydride compressor control method for generating a variable output pressure P_desired_outPut, comprising a first step of inflowing gaseous hydrogen into a metal hydride compartment at a constant temperature and then stopping ...

2019

Sample holder for accurate temperature control

Andreas Züttel, Noris André Gallandat

The present relates to a sample holder comprising a single block (1) made of a thermally conductive material comprising at least two volumes, a reference volume (5) and a sample holding volume (4) directly machined in said single block (1), a heating means ...

2019

Hydrogen storage and electrochemical properties of LaNi5-xCux hydride-forming alloys

Natalia Gasilova, Andreas Züttel, Mariana Spodaryk

LaNi5-type alloys are commercial materials for the negative electrode in Ni-MH rechargeable batteries. Partial substitution of La by mischmetal (Mm) and of Ni by elements like Co, Al, and Mn significantly improve the cycle stability and high-rate discharge ...

ELSEVIER SCIENCE SA2019

Parametric sensitivity in the Sabatier reaction over Ru/Al2O3 - theoretical determination of the minimal requirements for reactor activation

Andreas Züttel, Noris André Gallandat, Emanuele Moioli

The methanation of carbon dioxide is an option for chemical storage of renewable energy together with greenhouse gas reutilization because it offers a product with a high energy density. The reaction CO2 + 4H(2) CH4 + 2H(2)O is performed on a Ru/Al2O3 cata ...

ROYAL SOC CHEMISTRY2019

Methanation reactor and method

Andreas Züttel, Noris André Gallandat

The present relates to a chemical reactor comprising a catalyst bed enclosed in a reactor vessel and at least one cooling tube placed in the reactor vessel and passing through the catalyst bed, characterized in that the cooling tubes are disposed within th ...

2019

Renewable energy storage via CO2 and H-2 conversion to methane and methanol: Assessment for small scale applications

Andreas Züttel, Robin Tobias Andreas Mutschler, Emanuele Moioli

This study analyses the power to methane - and to methanol processes in the view of their efficiency in energy storage. A systematic investigation of the differences on the two production systems is performed. The energy storage potential of CO2 to methano ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Hydrogen storage material

Andreas Züttel, Heena Yang

The present relates to a carbon material having a 3D structure and made of graphene oxide and carbon nanotubes, characterized in that the 3D structure consists in that the carbon nanotubes are located with some agglomeration between the graphene oxide laye ...

2019

The role of malachite nanorods for the electrochemical reduction of CO2 to C-2 hydrocarbons

Emad Oveisi, Andreas Züttel, Kun Zhao, Mariana Spodaryk, Jie Zhang

The electrochemical reduction of CO2 to higher hydrocarbons is a very challenging process that has high potential for the storage of large amounts of renewable energy with a high gravimetric and volumetric energy density. The distribution of hydrocarbons f ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Efficient Base-Metal NiMn/TiO2 Catalyst for CO2 Methanation

Wei Chen, Andreas Züttel, Emanuele Moioli

Energy storage solutions are a vital component of the global transition toward renewable energy sources. The power-to-gas (PtG) concept, which stores surplus renewable energy in the form of methane, has therefore become increasingly relevant in recent year ...

2019

In situ Control of the Adsorption Species in CO2 Hydrogenation: Determination of Intermediates and Byproducts

Andreas Züttel, Kun Zhao, Ligang Wang, Marco Calizzi, Emanuele Moioli

CO2 hydrogenation over catalysts is a potentially exciting method to produce fuels while closing the CO2 cycle and mitigating global warming. The mechanism of this process has been controversial due to the difficulty in clearly identifying the species pres ...

2018

Destabilizing sodium borohydride with an ionic liquid

Loris Giovanni Lombardo, Andreas Züttel, Heena Yang

2018

Experimental performance investigation of a 2 kW methanation reactor

Vincent Vernay, Andreas Züttel, Robin Tobias Andreas Mutschler, Noris André Gallandat, Heena Yang

2018

Hydrogen storage properties of various carbon supported NaBH4 prepared via metathesis

Loris Giovanni Lombardo, Andreas Züttel, Wonjong Kim, Wen Luo, Heena Yang

2018

CO2 hydrogenation reaction over pristine Fe, Co, Ni, Cu and Al2O3 supported Ru: Comparison and determination of the activation energies

Andreas Züttel, Robin Tobias Andreas Mutschler, Wen Luo, Noris André Gallandat, Emanuele Moioli

Fe, Co, Ni and Cu are the main non-noble industrially significant catalysts in the CO2 and CO gas phase hydrogenation reaction towards hydrocarbons and alcohols. These catalysts are typically supported on metal oxides such as SiO2, TiO2, Al2O3 and ZnO, in ...

ACADEMIC PRESS INC ELSEVIER SCIENCE2018

Fast real time and quantitative gas analysis method for the investigation of the CO2 reduction reaction mechanism

Andreas Züttel, Robin Tobias Andreas Mutschler, Wen Luo, Emanuele Moioli

We present a new fast real time and quantitative gas analysis method by means of mass spectrometry (MS), which has approximately an order of magnitude faster sampling rate in comparison with a traditional gas chromatography. The method is presented and dis ...

AMER INST PHYSICS2018

Selective and Stable Electroreduction of CO2 to CO at the Copper/Indium Interface

Emad Oveisi, Andreas Züttel, Raffaella Buonsanti, Robin Tobias Andreas Mutschler, Wen Luo, Gian Luca De Gregorio

2018

Single-layer graphene membranes by crack-free transfer for gas mixture separation

Duncan Thomas Lindsay Alexander, Emad Oveisi, Andreas Züttel, Kumar Varoon Agrawal, Shiqi Huang, Guangwei He, Mostapha Dakhchoune, Wen Luo, Jing Zhao

The single-layer graphene film, when incorporated with molecular-sized pores, is predicted to be the ultimate membrane. However, the major bottlenecks have been the crack-free transfer of large-area graphene on a porous support, and the incorporation of mo ...

Nature Publishing Group2018

Photocatalytic Hydrogen Generation from a Visible-Light-Responsive Metal–Organic Framework System: Stability versus Activity of Molybdenum Sulfide Cocatalysts

Berend Smit, Andreas Züttel, Kyriakos Stylianou, Daniele Ongari, Ophélie Marie Planes, Bardiya Valizadeh, Stavroula Kampouri, Wen Luo, Ngoc Tú Nguyên

We report the use of two earth abundant molybdenum sulfide-based cocatalysts, Mo(3)S(13)(2-)clusters and 1T-MoS2 nanoparticles (NPs), in combination with the visible-light active metal-organic framework (MOF) MIL-125-NH2 for the photocatalytic generation o ...

2018

Membrane electrode assembly fabricated with the combination of Pt/C and hollow shell structured-Pt-SiO2@ZrO2 sphere for self-humidifying proton exchange membrane fuel cell

Andreas Züttel, Heena Yang, Youngdon Ko

The Pt-supported hollow structured Pt-HZrO2 with the shell thickness of 27 nm is successfully synthesized. The water retention ability of Pt-HZrO2 is significantly enhanced compared with that of SiO2@ZrO2 due to the hydrophilic hollow structured HZrO2 with ...

Elsevier2017

Page 4 sur 6