Results 181 to 190 of about 16,378 (307)
Nickel and cobalt-based tungstate nanocomposites as promising electrocatalysts in alkaline direct methanol fuel cells. [PDF]
Nanoscale AdvMahmoud I +3 more
europepmc +1 more source
, 2003 This investigation of the characteristics of direct methanol fuel cells (DMFC) has led to significant improvement in their performance. The methanol permeability of Nafion polymer electrolyte membranes has been measured in a DMFC by chronoamperometry ...
Sultan, Jassim
core
Chemistry – A European Journal, EarlyView.ABSTRACT The development of synthetic procedures for preparing metal nanoparticles with controlled size using sunlight opens new avenues toward more sustainable methods with lower energy consumption. Herein, we propose the use of double‐vacancy halide perovskites as precursors for engineering highly crystalline and small platinum nanoparticles (< 3 nm)
Kevin Mego +4 more
wiley +1 more source
Heteroatom‐Doped Graphdiynes and Their Applications in Photo‐/Electro‐Catalytic CO2 Conversion
Carbon Innovation, EarlyView.This review highlights the versatile role of doped graphdiyne (GDY) in boosting CO2 conversion, where metal and non‐metal doping simultaneously tune the electronic structure, create abundant active sites, and improve charge separation, light harvesting, and CO2 adsorption.
Fangzhou Yang +3 more
wiley +1 more source
The Anode in the Direct Methanol Fuel Cell
, 2003 The direct methanol fuel cell (DMFC) is a very promisingpower source for low power applications. High power and energydensity, low emissions, operation at or near ambientconditions, fast and convenient refuelling and a potentiallyrenewable fuel source are some of the features that makes thefuel cell very promising. However, there are a few problemsthat
openaire +1 more source
Lightweight Stacks of Direct Methanol Fuel Cells
, 2004 An improved design concept for direct methanol fuel cells makes it possible to construct fuel-cell stacks that can weigh as little as one-third as much as do conventional bipolar fuel-cell stacks of equal power.
Valdez, Thomas, Narayanan, Sekharipuram
core
Mass Transport Mechanisms in 2D Laminar Nanofluidic Membranes for Separation and Energy Conversion
Carbon Innovation, EarlyView.This review explores how two‐dimensional laminar membranes govern the transport of ions and molecules in confinement for advanced separation and energy conversion. By discussing how nanochannel architecture shapes membrane performance, this work highlights cation intercalation and functional modifications to improve osmotic energy harvesting ...
Adhy Prihatmiko Wibowo +3 more
wiley +1 more source
Surface Roughening of Electrolyte Membrane for Pt- and Ru-Sputtered Passive Direct Methanol Fuel Cells. [PDF]
Materials (Basel), 2019 Jeong W, Cho GY, Cha SW, Park T.
europepmc +1 more source
Methanol-rusistant oxygen-reduction catalysts for direct methanol fuel celms
, 2003 Methanol oxidation in the cathode compartment of the fuel cell, which occurs during the oxygen-reduction reaction on Pt-based cathodes, constitutes a significant performance loss in the direct methanol fuel cells.
Raman, RK, Shukla, AK
core
Energy Flexibilization and Demand Response for a Novel Decentralized Power‐to‐Methanol Process
Chemie Ingenieur Technik, EarlyView.This study presents the results of an optimization framework for the scheduling of a Power‐to‐methanol process coupled with an electrolyser, renewable energy sources and a battery. The optimal dynamic operating schedule is computed with different configurations and boundary conditions, showing the advantages of flexible operation.
Max Kollmer +5 more
wiley +1 more source