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  • 1
    Electronic Resource
    Electronic Resource
    Performance of a direct methanol fuel cell (1998)
    Springer
    Journal of applied electrochemistry 28 (1998), S. 289-297 
    Details
    ISSN: 1572-8838
    Keywords: fuel cell ; methanol ; solid polymer electrolyte ; model ; platinum catalyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The performance of a direct methanol fuel cell based on a Nafion® solid polymer electrolyte membrane (SPE) is reported. The fuel cell utilizes a vaporized aqueous methanol fuel at a porous Pt–Ru–carbon catalyst anode. The effect of oxygen pressure, methanol/water vapour temperature and methanol concentration on the cell voltage and power output is described. A problem with the operation of the fuel cell with Nafion® proton conducting membranes is that of methanol crossover from the anode to the cathode through the polymer membrane. This causes a mixed potential at the cathode, can result in cathode flooding and represents a loss in fuel efficiency. To evaluate cell performance mathematical models are developed to predict the cell voltage, current density response of the fuel cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003263632683
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Electrolysis of simulated flue gas solutions in an undivided cell Presented in part at Clean Tech '96, London, 19-21 June 1996. (1997)
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 70 (1997), S. 51-56 
    Details
    ISSN: 0268-2575
    Keywords: sulphur dioxide ; electrochemical ; anodic oxidation ; recycling ; sulphuric acid ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: -The electrolysis of simulated flue gas solution based on sulphite/sulphuric acid is reported. Two undivided cells were employed, a small batch cell and a sieve plate electrochemical reactor (SPER). With the batch cell, two anode materials were tested for the oxidation of sulphite to sulphate, platinum and graphite. Ebonex and zirconium cathodes were used in connection with both the anodes. High current efficiencies, above 85%, were obtained in all cases, without the formation of elemental sulphur. Comparable results, 85-95%, were obtained with the sieve plate electrochemical reactor, for a current density range of 10-25 mA cm-2 at low sulphite concentration (0·005 M) in 2-6 M sulphuric acid. ©1997 SCI
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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