Results 51 to 60 of about 1,654,745 (247)
Morphological Control of TiO2 Supports for Enhanced Pt‐Catalyzed Methylcyclohexane Dehydrogenation
Small ScienceEfficient and durable catalysts are essential for the practical implementation of dehydrogenation processes in liquid organic hydrogen carrier (LOHC) systems.
Yujung Jung +11 more
doaj +1 more source
Effect of Pt on Zn-Free Cu-Al Catalysts for Methanol Steam Reforming to Produce Hydrogen [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2018 Steam reforming of methanol can be considered as an attractive reaction aiming at hydrogen production for PEM fuel cells. Although Cu/Al-contained catalysts are considerably evaluated in this reaction, further evaluation is essential to evaluate the ...
Mehran Jafari +3 more
doaj
Energies, 2023 Freeze start is a challenge in the commercialization of PEM fuel cells. In this study, ice formation in cell layers is investigated through experiments and simulations.
Maximilian Schmitz +3 more
doaj +1 more source
Self‐Assembled Hybrid Cell‐Enzyme Materials for Gas‐Powered Biocatalysis
Advanced Functional Materials, EarlyView.Integrating living cells with programmable enzyme networks enables hybrid materials that convert gaseous feedstocks into chemical reducing power. These gas‐powered catalytic beads operate as modular, recyclable platforms for adaptive biocatalysis and sustainable synthesis.
Marius Stoeckle +2 more
wiley +1 more source
Methanol Steam Reforming Catalyzing over Cu/Zn/Fe Mixed Oxide Catalysts [PDF]
Iranian Journal of Chemical Engineering, 2017 Methanol steam reforming plays a pivotal role to produce hydrogen for fuel cell systems in a low temperature range. To accomplish higher methanol conversion and lower CO production, the reaction was catalyzed by CuZnFe mixed oxides.
A. Irankhah, M. Jafari, M. Mahmoudizadeh
doaj
Impact of Liquid-Liquid Hydrodynamic Focusing on the Efficiency of Heterogeneous Microreactors: Numerical Solution [PDF]
Iranian Journal of Chemical EngineeringMost of the reactions that occur in microreactors take place on the surface, so it is important to keep the reactants close to the reactive wall. One effective technique in this field is the single-phase hydrodynamic focusing.
Yaser Kazemi, Abdullah Irankhah
doaj +1 more source
Advanced Functional Materials, EarlyView.This review establishes structure‐property‐mechanism relationships across six modification strategies for V‐based oxide water‐splitting electrocatalysts: lattice engineering, heteroatom doping, interface engineering, carbon‐based hybridization, morphology engineering, and surface reconstruction and pre‐catalyst design, where dissolution is reframed as ...
Youness El Issmaeli +4 more
wiley +1 more source
Nature CommunicationsThe in-situ reconstruction of catalysts has increasingly garnered research interest due to its pivotal role in modulating selectivity and improving activity.
Xiao-Qiang Li +5 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Hydrophilic PEO‐copolymers and hydrophobic PDMS are physically integrated via a compatibilizing solvent into an amphipathic dual‐polymer network with versatile interfacial affinity and completely amorphized PEO segments for hyper‐permeable CO2 transport.
Ji Wu +9 more
wiley +1 more source
EnergiesSolid oxide fuel cell (SOFC) systems often employ metallic cathode air pre-heaters (CAPHs), frequently made from alloys with high chromium (Cr) content, to recover thermal energy from exhaust gases and pre-heat incoming air and fuel.
Kun Zhang +2 more
doaj +1 more source