Results 31 to 40 of about 77,682 (299)

Direct Methanol Fuel Cells

open access: yesPlatinum Metals Review, 1987
Unlike other fuel cell types, the direct methanol fuel cell does not require a separate hydrogen generation system and therefore has greater commercial potential, particularly for powering portable appliances. However, the limiting factor for the cost-effective performance of such systems is the catalytic activity of the electrodes, in particular the ...
D. S. Cameron   +3 more
openaire   +1 more source

The Study of the Efficiency of a Direct Methanol Fuel Cell [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2014
The Direct Methanol Fuel Cell (DMFC), represent an interesting solution to produce electricity. It has some commercial advantages, such low price, compact construction, quick refueling.
POPOVICI Ovidiu
doaj  

Faradaic Efficiencies for Methanol Oxidation in Proton Exchange Membrane Electrolysis and Fuel Cells with Various Anode Catalysts

open access: yesInternational Journal of Electrochemical Science, 2019
The energy efficiency of a direct methanol fuel cell (DMFC) is dependent on the cell voltage, crossover of oxygen and/or methanol through the polymer electrolyte membrane, and stoichiometry of the methanol oxidation reaction (i.e., the average number of ...
Rakan M. Altarawneh
doaj   +1 more source

A Multi-Fluid Model for Water and Methanol Transport in a Direct Methanol Fuel Cell

open access: yesEnergies, 2022
Direct-methanol fuel cell (DMFC) systems are comparatively simple, sometimes just requiring a fuel cartridge and a fuel cell stack with appropriate control devices.
Anders Christian Olesen   +2 more
doaj   +1 more source

Platinum utilization in proton exchange membrane fuel cell and direct methanol fuel cell - Review

open access: yesJournal of Electrochemical Science and Engineering, 2019
Proton exchange membrane fuel cell (PEMFC) and direct methanol fuel cell (DMFC) are increasingly used as substitutes to conventional energy systems. Their compact design, high energy density and efficient energy-conversion offer several advantages over ...
Madhavi Bandapati   +2 more
doaj   +1 more source

Evaluation of in vitro toxicity of common phytochemicals included in weight loss supplements using 1H NMR spectroscopy

open access: yesFEBS Open Bio, EarlyView.
We investigated the toxicity of 12 active compounds commonly found in herbal weight loss supplements (WLS) using human liver and colon cell models. Epigallocatechin‐3‐gallate was the only compound showing significant toxicity. Metabolic profiling revealed protein degradation, disrupted energy and lipid metabolism suggesting that the inclusion of EGCG ...
Emily C. Davies   +3 more
wiley   +1 more source

Fabrication and Characterization of a Conductive Proton Exchange Membrane Based on Sulfonated Polystyrenedivinylbenzene Resin-Polyethylene (SPSDR-PE): Application in Direct Methanol Fuel Cells [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
A novel proton exchange membrane has been prepared using sulfonated poly(styrene-divinylbenzene) resin(SPSDR)–polyethylene(PE). The membrane is characterized by FT-IR, SEM and TGA/DSC.
Valiollah Mandanipour   +3 more
doaj  

Modulating Electrochemical CO2 Reduction Pathways via Interfacial Electric Field

open access: yesAdvanced Functional Materials, EarlyView.
Engineering interfacial electric fields in Cu/ITO electrodes enables precise control of CO2 reduction pathways. Charge transfer from Cu to ITO generates positively charged Cu species that steer selectivity from ethylene toward methane. This work demonstrates how interfacial electric‐field modulation can direct reaction intermediates and transform ...
Mahdi Salehi   +7 more
wiley   +1 more source

Aerosol feed direct methanol fuel cell [PDF]

open access: yes, 2002
Improvements to fuel cells include introduction of the fuel as an aerosol of liquid fuel droplets suspended in a gas. The particle size of the liquid fuel droplets may be controlled for optimal fuel cell performance by selection of different aerosol ...
Kindler, Andrew   +2 more
core   +1 more source

Novel carbon nanomaterials for the direct methanol fuel cell electrodes [PDF]

open access: yes, 2015
Direct methanol fuel cells (DMFC) are great candidates for portable power source applications. However, the sluggish reaction kinetics are key challenges in DMFC technology. The state-of-the-art electrocatalysts are Pt-based catalysts supported on carbon
Borghei, Maryam
core   +1 more source

Home - About - Disclaimer - Privacy