Results 71 to 80 of about 33,233 (252)
Methane Catalytic Combustion on Pd9/?-Al2O3 with Different Degrees of Pd Oxidation
CHIMIA, 2013 : This research is focused on the analysis of adsorbed CH4 intermediates at oxidized Pd9 nanoparticles supported on ? -alumina. From first-principle density functional theory (DFT) calculations, several configurations, charge transfer and ...
Izabela Czekaj +2 more
doaj +1 more source
Lattice Distortion‐Driven Metal Exsolution in Perovskite Oxides
Advanced Science, EarlyView.This study elucidates the mechanism of lattice distortion‐driven exsolution through a combination of computational simulations and experimental approaches. Lattice distortion facilitates the formation of oxygen vacancies and subsequent metal segregation, thereby enhancing the exsolution behavior.
Yo Han Kim +5 more
wiley +1 more source
Recent Progress in Direct Conversion of Methane to Methanol Over Copper-Exchanged Zeolites
Frontiers in Chemistry, 2019 The conversion of methane into an easily transportable liquid fuel or chemicals has become a highly sought-after goal spurred by the increasing availability of cheap and abundant natural gas.
Min Bum Park +2 more
doaj +1 more source
Advanced Science, EarlyView.A new data‐efficient framework combining DFT calculations, a neural network model, and automated graph analysis of catalytic reaction networks is proposed and applied to CO2 hydrogenation on transition metal nanoparticles. The analysis shows how efficient C2 oxygenate production requires a balance between CHx formation, C–C coupling, protonation, and ...
Mikhail V. Polynski, Sergey M. Kozlov
wiley +1 more source
Electrocatalytic Coupling Conversion of Methane by Dual‐Site Control in Nickel Oxyhydroxide
Advanced Science, EarlyView.Electrocatalytic coupling conversion of methane (CH4) is accomplished on the nickel oxyhydroxide (NiOOH), wherein the Ni─O dual‐site is triggered via the proper electronic interaction, synergistically promoting the C─H activation and C─C formation, enabling a selective and efficient C2 product generation route under ambient conditions. ABSTRACT Methane
Kailong Lu +7 more
wiley +1 more source
AtmosphereEarthen final covers (EFCs) are widely used to mitigate environmental impacts from landfills, particularly in controlling methane emissions and groundwater contamination.
Tao Wu +4 more
doaj +1 more source
A metagenomic study of methanotrophic microorganisms in Coal Oil Point seep sediments
BMC Microbiology, 2011 Background Methane oxidizing prokaryotes in marine sediments are believed to function as a methane filter reducing the oceanic contribution to the global methane emission.
Haverkamp Thomas HA +4 more
doaj +1 more source
ZrO2 Aerogel‐Supported Pd Nanoparticles for Photothermal CO2 Reduction
Advanced Science, EarlyView.Nanoparticle‐based aerogels are promising catalysts for photothermal reactions due to optical transparency, high surface area, and low thermal conductivity. Here, we present deposition of Pd nanoparticles on ZrO2 aerogel granules by a wet‐impregnation approach.
David Kiwic +3 more
wiley +1 more source
Simulation study on catalytic oxidation of low concentration mine gas in an oxidation device
Scientific ReportsAnthropogenic emissions of non-CO2 greenhouse gases, such as low-concentration coal mine methane (cCH4
Yuhang Liu +6 more
doaj +1 more source
Non‐Noble Metal Nanocatalysts for Hydrogen Evolution
Advanced Science, EarlyView.Recent overviews and latest developments of diverse classes of non‐noble catalysts for application toward high‐performance photocatalysis, thermocatalytic steam reforming, and electrocatalysis. Toward sustainability objectives, several advanced characterization tools in combination with the latest breakthroughs in machine learning for material ...
Lina Jaya Diguna +7 more
wiley +1 more source