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  • 1970-1974  (3)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Electron conduction in passive films on nickel (1972)
    Springer
    Journal of applied electrochemistry 2 (1972), S. 37-42 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The electron conduction properties of the passive film on nickel in acid solution were studied by differential capacitance of nickel electrode in the passive condition, and by redox reactions of the Fe2+/Fe3+ and Q/H2Q systems. A large capacitance value of the passive electrode, which is possibly comparable to that of the double layer, can be ascribed to the space charge capacitance in the passive film which is highly nonstoichiometric. The redox reaction currents of these systems may be sustained by tunnelling of charge carriers through the space charge layer in the passive film, if it can be accepted that the ‘tunnel effect’ commences when the electric field strength in the space charge layer is of the order of 106 V/cm. Consequently, the passive film can not be an insulator, at least in acid solutions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615190
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Anodic polarization of aluminium in organic electrolytes (1974)
    Springer
    Journal of applied electrochemistry 4 (1974), S. 53-56 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The polarization characteristics of aluminium anodes have been studied in various organic electrolytes containing aluminium chloride. The small amount of oxide present on the metal was dissolved by an anodic pre-treatment. The charge transfer number of the overall reaction was three. The current density supported by the electrolytes decreased in the order nitromethane〉acetonitrile 〉propylene carbonate, formamide〉tetrahydrofuran. The rest potential increased in the order formamide〈propylene carbonate〈tetrahydrofuran〈acetonitrile〈nitromethane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615905
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Cathodic polarization characteristics of poly (4-vinylpyridine) bromine complex (1973)
    Springer
    Journal of applied electrochemistry 3 (1973), S. 99-102 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The cathodic polarization characteristics of the electrode consisting of poly (4-vinylpyridine) bromine complex and graphite powder were investigated. The electrolyte was propylene carbonate containing 1 M LiBr. The rest potential of the electrode was approx. 0.5 V (versus SCE). The coulometric efficiency of the continuous discharge was 52–53%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00613499
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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