Kun Zhao

Cette personne n’est plus à l’EPFL

Publications associées (15)

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Unraveling and optimizing the metal-metal oxide synergistic effect in a highly active Co (CoO)1– catalyst for CO2 hydrogenation

Andreas Züttel, Emanuele Moioli, Loris Giovanni Lombardo, Wen Luo, Kun Zhao, Mo Li, Robin Tobias Andreas Mutschler, Marco Calizzi, Alexandre Borsay

The relation between catalytic reactivities and metal/metal oxide ratios, as well as the functions of the metal and the metal oxides were investigated in the CO2 hydrogenation reaction over highly active Cox(CoO)1–x catalysts in operando. The catalytic rea ...

2020

Thermal stability of size-selected copper nanoparticles: Effect of size, support and CO2 hydrogenation atmosphere

Andreas Züttel, Wen Luo, Mostapha Dakhchoune, Kun Zhao, Mo Li, Alexandre Borsay

Metal nanoparticles with a precisely controlled particle size distribution are ideal model catalysts for fundamental studies in catalysis. In this work, the thermal stability of size-selected Cu nanoparticles (Cu NPs) were deposited by magnetron sputtering ...

2020

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

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

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

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

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

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

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

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

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

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Unraveling and optimizing the metal-metal oxide synergistic effect in a highly active Co (CoO)1– catalyst for CO2 hydrogenation

Andreas Züttel, Emanuele Moioli, Loris Giovanni Lombardo, Wen Luo, Kun Zhao, Mo Li, Robin Tobias Andreas Mutschler, Marco Calizzi, Alexandre Borsay

2020