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Keywords: direct methanol fuel cells
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Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2012, 9(1): 011009.
Published Online: December 22, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2012, 9(1): 011012.
Published Online: December 22, 2011
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2012, 9(1): 011003.
Published Online: December 19, 2011
.... A. , 1992 , “ Improved Method for IR Determination of the N-acetylation of Chitosan ,” Int. J. Biolog. Macro. , 14 , pp. 166 – 169 . 10.1016/S0141-8130(05)80007-8 10 Osifo , P. O. , and Masala , A. , 2010 , “Characterisation of Direct Methanol Fuel Cell (DMFC) Applications With H2SO4...
Topics: Membranes, Water
Journal Articles
Article Type: Errata
J. Electrochem. En. Conv. Stor. February 2012, 9(1): 017001.
Published Online: December 15, 2011
...B. L. García; V. A. Sethuraman; J. W. Weidner; R. E. White; R. Dougal 25 03 2011 07 04 2011 15 12 2011 15 12 2011 direct methanol fuel cells mathematical analysis The authors inform that there are three errors in the published article. 1 The following...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. December 2011, 8(6): 061009.
Published Online: September 26, 2011
..., and low operating current densities (the electrode is under kinetic control). 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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. December 2011, 8(6): 061004.
Published Online: September 26, 2011
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. April 2011, 8(2): 021011.
Published Online: November 30, 2010
... at the cathode, the minimum value of ω l , MeOH at the ACL, for a 10 M solution, is decreased from 0.149 to 0.0628. This decrease is from 0.24 to 0.107 for 15 M solution. 27 10 2009 06 06 2010 30 11 2010 30 11 2010 direct methanol fuel cells...
Journal Articles
Article Type: Design Innovations
J. Electrochem. En. Conv. Stor. April 2011, 8(2): 025001.
Published Online: November 22, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2011, 8(1): 011009.
Published Online: November 3, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2011, 8(1): 011001.
Published Online: October 13, 2010
... 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...
Journal Articles
Article Type: Technical Briefs
J. Electrochem. En. Conv. Stor. February 2011, 8(1): 014502.
Published Online: October 13, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. December 2010, 7(6): 061014.
Published Online: August 25, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. December 2010, 7(6): 061007.
Published Online: August 20, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2010, 7(4): 041018.
Published Online: April 9, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2010, 7(4): 041013.
Published Online: April 8, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2010, 7(4): 041010.
Published Online: April 7, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2010, 7(3): 031019.
Published Online: March 17, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2010, 7(3): 031011.
Published Online: March 12, 2010
... ), it indicates that there is significant potential using Ti as an alternative support in fuel cells, and improvement in the power performance could be gained by reducing the particle size and thus increasing surface area of the thermally decomposed catalysts. Direct methanol fuel cell binary and ternary...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2009, 6(2): 021012.
Published Online: February 26, 2009
... of an experimental direct methanol fuel cell. In this section we present numerical results of our theory by applying the formulas of the previous sections to an experimental single DMFC ( 16 ). The MEA of this cell consists of three very thin layers containing two catalytic layers (platinum and platinum-ruthenium...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2009, 6(1): 011023.
Published Online: November 26, 2008
...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...