Performance Modeling of a Direct Methanol Fuel Cell Fueled With Methanol and Ethanol
Direct methanol fuel cells (DMFCs) are becoming a choice of a power source in the field of power electronics, and portable devices because of their high energy density. The benefits of using a fuel cell toward the environment will be enhanced if the fuel used for its application comes from renewable...
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| Veröffentlicht in: | Journal of electrochemical energy conversion and storage 2014-12, Vol.11 (6) |
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| container_title | Journal of electrochemical energy conversion and storage |
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| creator | Bade Shrestha, S. O Mohan, Sujith |
| description | Direct methanol fuel cells (DMFCs) are becoming a choice of a power source in the field of power electronics, and portable devices because of their high energy density. The benefits of using a fuel cell toward the environment will be enhanced if the fuel used for its application comes from renewable sources such as ethanol. A method of modeling of the performance of DMFC was developed and validated with the experimental data obtained from a passive DMFC operated under varying methanol and ethanol concentrations. Impedance spectroscopy was employed to measure ohmic, activation and mass transport losses for all concentrations. Improved performance of the cell was observed when the concentrations of the solutions were closer to stoichiometric values. The model predicted results were compared to the corresponding experimental values and found satisfactory. |
| doi_str_mv | 10.1115/1.4028971 |
| format | Article |
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Improved performance of the cell was observed when the concentrations of the solutions were closer to stoichiometric values. The model predicted results were compared to the corresponding experimental values and found satisfactory.</description><subject>Activation</subject><subject>Electronics</subject><subject>Ethanol</subject><subject>Ethyl alcohol</subject><subject>Fuel cells</subject><subject>Mathematical models</subject><subject>Methyl alcohol</subject><subject>Modelling</subject><issn>2381-6872</issn><issn>1550-624X</issn><issn>2381-6910</issn><issn>1551-6989</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkDFPwzAQRi0EElXpwMziEYYWn-3EzohKC0itYChitJz4QlMlcbGTgX9PUIqY7pPu6dPdI-Qa2AIAkntYSMZ1puCMTLjQME8zYOd_WSt-SWYxHhhjkAqlZTYhuzcMpQ-NbQukW--wrtpP6ktq6WMVsOjoFru9bX1N1z3WdIn1mNDRj6rb_69t6-hqzFfkorR1xNlpTsn7erVbPs83r08vy4fN3AqddXNZ6sxppTOrS8gBHSiGGi1nucty6aRSPAcuEmmLnKNwwC2H1NoEXSJTKabkduw9Bv_VY-xMU8ViuNC26PtoQDPN0kENG9C7ES2CjzFgaY6hamz4NsDMrzwD5iRvYG9G1sYGzcH3oR2-MEKBkon4AQGjaJE</recordid><startdate>20141201</startdate><enddate>20141201</enddate><creator>Bade Shrestha, S. 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Stor</stitle><date>2014-12-01</date><risdate>2014</risdate><volume>11</volume><issue>6</issue><issn>2381-6872</issn><issn>1550-624X</issn><eissn>2381-6910</eissn><eissn>1551-6989</eissn><abstract>Direct methanol fuel cells (DMFCs) are becoming a choice of a power source in the field of power electronics, and portable devices because of their high energy density. The benefits of using a fuel cell toward the environment will be enhanced if the fuel used for its application comes from renewable sources such as ethanol. A method of modeling of the performance of DMFC was developed and validated with the experimental data obtained from a passive DMFC operated under varying methanol and ethanol concentrations. Impedance spectroscopy was employed to measure ohmic, activation and mass transport losses for all concentrations. Improved performance of the cell was observed when the concentrations of the solutions were closer to stoichiometric values. 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| fulltext | fulltext |
| identifier | ISSN: 2381-6872 |
| ispartof | Journal of electrochemical energy conversion and storage, 2014-12, Vol.11 (6) |
| issn | 2381-6872 1550-624X 2381-6910 1551-6989 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1808061110 |
| source | ASME Transactions Journals (Current); Alma/SFX Local Collection |
| subjects | Activation Electronics Ethanol Ethyl alcohol Fuel cells Mathematical models Methyl alcohol Modelling |
| title | Performance Modeling of a Direct Methanol Fuel Cell Fueled With Methanol and Ethanol |
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