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  • 1
    Electronic Resource
    Electronic Resource
    Material aspects of the liquid feed direct methanol fuel cell (1998)
    Springer
    Journal of applied electrochemistry 28 (1998), S. 1389-1397 
    Details
    ISSN: 1572-8838
    Keywords: direct methanol ; electrocatalysis ; electrochemical ; fuel cell ; platinum ruthenium catalyst ; polymer electrolyte
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract A study of a small scale Liquid Feed Direct Methanol Fuel Cell (LFDMFC), based on solid polymer electrolyte membrane, is reported. Two flow cell designs, one with a parallel flow channel arrangement and the other with a spot design of flow bed, are used. The structure of the DMFC comprises a composite of two porous electrocatalytic electrodes; Pt–Ru–carbon catalyst anode and Pt–carbon catalyst cathode, on either side of a solid polymer electrolyte (SPE) membrane. The performance of three Pt–Ru catalysts is compared. The influence of the degree of Teflon loading on the electrode structure is also reported. The effect of the following parameters: cell temperature, oxygen gas or air pressure, methanol liquid flow rate and methanol concentration on the power performance is described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003460110286
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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
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    Paper (German National Licenses)
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