Articles with "direct methanol" as a keyword



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Mixed‐Dimensional Pt–Ni Alloy Polyhedral Nanochains as Bifunctional Electrocatalysts for Direct Methanol Fuel Cells

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202206508

Abstract: Pt nanocatalysts play a critical role in direct methanol fuel cells (DMFCs) due to their appropriate adsorption/desorption energy, yet suffer from an unbalanced relationship between size‐dependent activity and stability. Herein, mixed‐dimensional Pt–Ni alloy polyhedral nanochains… read more here.

Keywords: methanol; mixed dimensional; fuel cells; dimensional alloy ... See more keywords
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Micro direct methanol fuel cell: functional components, supplies management, packaging technology and application

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Published in 2017 at "International Journal of Energy Research"

DOI: 10.1002/er.3634

Abstract: Summary This review reports the progress on the recent development of micro direct methanol fuel cell. Various functional components including micro flow field plate, membrane electrode assembly, proton exchange membrane, catalytic layer, diffusion layer, and… read more here.

Keywords: methanol fuel; fuel cell; direct methanol; micro direct ... See more keywords
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Semiempirical thermodynamic modeling of a direct methanol fuel cell system

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Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.4508

Abstract: In this study, a thermodynamic model of an active direct methanol fuel cell (DMFC) system, which couples in‐house experimental data for the DMFC with the mass and energy balances for the system components (condenser, mixing… read more here.

Keywords: system; fuel cell; direct methanol; methanol ... See more keywords
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Structural mechanism investigation on methanol crossover and stability of a passive direct methanol fuel cell performance via modified micro‐porous layer

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Published in 2021 at "International Journal of Energy Research"

DOI: 10.1002/er.6624

Abstract: Methanol crossover affects the performance of a direct methanol fuel cell (DMFC). To overcome this problem, this study introduced a modified micro‐porous diffusion layer (MPL) with addition of titanium dioxide (TiO2) to the carbon nano‐fibre… read more here.

Keywords: direct methanol; performance; methanol; methanol crossover ... See more keywords
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A High-Performance Direct Methanol Fuel Cell Technology Enabled by Mediating High-Concentration Methanol through a Graphene Aerogel

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Published in 2018 at "Small Methods"

DOI: 10.1002/smtd.201800138

Abstract: We demonstrate a facile methodology to fabricate graphene aerogel (GA), and its application in direct methanol fuel cell (DMFC) for the first time. A new GADMFC design was proposed by using GA to replace two… read more here.

Keywords: fuel cell; graphene aerogel; methanol; fuel ... See more keywords
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Synthesis, characterization, and transport properties of Nafion-polypyrrole membrane for direct methanol fuel cell (DMFC) application

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Published in 2019 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-019-04355-w

Abstract: Due to their distinctive chemical, electronic, and environmental properties, polypyrrole is used as a blocking barrier for methanol leakage in direct methanol fuel cells. Here, a straightforward deposition method of polypyrrole deposition on Nafion has… read more here.

Keywords: microscopy; methanol; transport properties; methanol fuel ... See more keywords
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Development of Direct Methanol Fuel Cell Catalyst Using Marimo Nano Carbon

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Published in 2018 at "Catalysis Letters"

DOI: 10.1007/s10562-018-2588-9

Abstract: In this study, a fibrous carbon material, Marimo nano carbon (MNC), was investigated as a catalyst support material for a direct methanol fuel cell. MNC comprises diamond particles in its core and carbon nanofilaments that… read more here.

Keywords: marimo nano; carbon; nano carbon; direct methanol ... See more keywords
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Photo-assisted methanol oxidation on Pt-TiO2 catalysts for direct methanol fuel cells: A short review

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.06.029

Abstract: Abstract Platinum and platinum-based electrocatalysts for the methanol oxidation reaction (MOR) are commonly used as the anode material in direct methanol fuel cells (DMFCs). Photo-oxidation promoted by ultraviolet and visible light is a promising method… read more here.

Keywords: fuel cells; oxidation; methanol oxidation; methanol fuel ... See more keywords
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Effect of anisotropy in cathode diffusion layers on direct methanol fuel cell

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Published in 2020 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2019.114589

Abstract: Abstract The diffusion layer in direct methanol fuel cells features strong anisotropic characteristics, which has large effect on complex transport phenomena and hence the cell performance. In this study, a comprehensive three-dimensional numerical model of… read more here.

Keywords: methanol fuel; cell; direct methanol; diffusion ... See more keywords
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Evaluation of sulfonated polysulfone/zirconium hydrogen phosphate composite membranes for direct methanol fuel cells

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Published in 2017 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.10.002

Abstract: Abstract Direct methanol fuel cell (DMFC) technology has advanced perceivably, but technical challenges remain that must be overcome for further performance improvements. Thus, in this study, sulfonated polysulfone/zirconium hydrogen phosphate (SPSf/ZrP) composite membranes with various… read more here.

Keywords: composite membranes; polysulfone zirconium; sulfonated polysulfone; methanol ... See more keywords
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A facile synthesis of graphene nanoribbon-quantum dot hybrids and their application for composite electrolyte membrane in direct methanol fuel cells

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Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2018.11.162

Abstract: Abstract In this work, we report the concept of synthesizing graphene nanoribbon-graphene quantum dot (GNR-GQD) hybrids with even grafting of GQD on GNR sheet in a facile single step process under ultrasonication in chlorosulfonic acid.… read more here.

Keywords: quantum dot; graphene nanoribbon; methanol fuel; graphene ... See more keywords