... overall are uncovered. To investigate the multiphase flows and the interactions between the layers on the anode side of a direct methanol fuel cell (DMFC), a single cell was studied using a two-dimensional model. This multiphase model focuses on the flow mechanism of a single CO 2 gas bubble. The model...

...Brenda L. García-Díaz; Jennifer R. Patterson; John W. Weidner Studying the performance of a direct methanol fuel cell (DMFC) is complicated by the complex interactions of kinetic and transport processes. As a result, changes in one aspect of the cell have consequences in other aspects, which...

... 10 Osifo , P. O. , and Masala , A. , 2010 , “Characterisation of Direct Methanol Fuel Cell (DMFC) Applications With H2SO4 Modified Chitosan Membrane,” J. Power Sources , 195 , pp. 4915 – 4922 . 10.1016/j.jpowsour.2009.12.093 11 Zill , D. G. , and Cullen , M. R...

... to the corrected Fig. 5 direct methanol fuel cells mathematical analysis 25 03 2011 07 04 2011 15 12 2011 15 12 2011 2012 American Society of Mechanical Engineers ...

.... 20 01 2011 30 06 2011 26 09 2011 26 09 2011 direct methanol fuel cells electrochemical electrodes platinum alloys ruthenium alloys fuel cell methanol PBI phosphoric acid PEMFC Polybenzimidazole (PBI) has a very low methanol permeability compared to Nafion...

...Mojtaba Parvizi Omran; Mousa Farhadi; Kurosh Sedighi A 3D, single phase steady-state model has been developed for liquid feed direct methanol fuel cell. The model is implemented into the commercial computational fluid dynamics (CFD) software package FLUENT ® v6.2, with its user-defined functions...

... direct methanol fuel cells electrochemical electrodes two-phase flow DMFC fuel delivery high concentration methanol water crossover methanol crossover flooding microporous layer The direct methanol fuel cell (DMFC) has attracted significant attention as a power source candidate...

...Shinn-Dar Wu; Chang-Pin Chou; Ay Su; Jenn-Jiang Hwang This paper aims to analyze the membrane electrode assembly (MEA) of the direct methanol fuel cell (DMFC) in order to provide a reference for the design of DMFC. The slow kinetics of methanol oxidation and whether the anode should be hydrophobic...

...V. B. Oliveira; C. M. Rangel; A. M. F. R. Pinto The direct methanol fuel cell (DMFC) is a promising power source for micro- and various portable electronic devices (mobile phones, PDAs, laptops, and multimedia equipment) with the advantages of easy fuel storage, no need for humidification...

... during ORR than the Pt/C, assessing that these catalysts may function as a methanol-tolerant cathode catalysts in a direct methanol fuel cell. 04 02 2009 28 01 2010 13 10 2010 13 10 2010 carbon catalysts direct methanol fuel cells electrochemical electrodes microemulsions...

... of complex stack designs and to verify the practicability of the new fabrication for fuel cells. The honeycomb shape methanol reservoir and cathode structure design of a direct methanol fuel cell (DMFC) and the complex flow distributor design of a monopolar air-breathing proton exchange membrane fuel cell...

... technology breakthrough improving energy density with a factor of 3–10 compared with current lithium-ion batteries. In particular, the direct methanol fuel cell (DMFC) is an interesting opportunity because of the high energy capacity of methanol and the handling of the fuel making “charging” easy, safe...

... to investigate the water transport characteristics in a passive direct methanol fuel cell (DMFC), taking into account the coexistence of the hydrophilic and hydrophobic pores in the DM, we presented the mechanisms of capillary flow in the mixed-wet DM and provided a comprehensive evaluation of the CPSRs used...

...Sujith Mohan; S. O. Bade Shrestha Direct methanol fuel cells are one of the alternate power sources for the field of power electronics because of their high energy density. The benefits of a fuel cell toward the environment can be greatly improved if the fuel used for its application comes from...

... cells electroless deposition nanoparticles oxidation platinum ruthenium platinum ruthenium deposition fuel cell methanol Direct methanol fuel cells (DMFCs) can have high energy density if concentrated methanol can be used as the fuel. They are potentially useful as a compact power...

...Pengtao Sun; Chaoyang Wang; Jinchao Xu In this paper, a three-dimensional, two-phase transport model of liquid-feed direct methanol fuel cell (DMFC), which is based on the multiphase mixture formulation and encompasses all components in a DMFC using a single computational domain, is specifically...

...Jason C. Ganley; Nana K. Karikari; Dharmaraj Raghavan This paper reports the results of fuel cell performance tests detailing the effects of Ni/Al layered double hydroxide (Ni-LDH) on the performance of alkaline direct methanol fuel cells (DMFCs). It is desirable to enhance the maximum rate...

... ( mA   mg − 1   cm − 2 ) Scott , K. , and Shukla , A. K. , 2007 , “ Direct Methanol Fuel Cells: Fundamentals, Problems and Perspectives ,” Modern Aspects of Electrochemistry , R. E. White , ed., Springer , Vol. 40 , pp. 127 – 227...

... of an experimental direct methanol fuel cell. 10 08 2007 04 10 2007 26 02 2009 current density direct methanol fuel cells magnetic field measurement Maxwell equations tomography fuel cell DMFC PEFC MEA tomography current density distribution magnetic field measurement...

...Yong-Sheen Hwang; Suk-Won Cha; Hoon Choi; Dae-Young Lee; Seo Young Kim We investigated the optimum flow channel design for direct methanol fuel cells (DMFCs). Especially, we explored the effect of the pressure drop across the inlet and outlet on the performance of the DMFCs with various flow...