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  • General Chemistry  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 92 (1980), S. 476-477 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 95 (1983), S. 954-980 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Kohlenstoff-„Modifikationen“ zeigen  -  sofern sie überwiegend die Schichtstruktur des Graphits aufweisen - 1) elektronische Leitfähigkeit, 2) die Fähigkeit, Ionen oder Moleküle zwischen die Schichten des Gitters einzulagern, und 3) die Fähigkeit, über funktionelle Gruppen ihrer Oberflächen (im wesentlichen der Schichtränder) zu reagieren. Dem ersten Aspekt verdanken sie ihre Anwendung als „inertes“ Elektrodenmaterial; darauf sei hier nicht näher eingegangen. Die Kombination der Punkte 1) und 2) eröffnet die Möglichkeit der elektrochemischen Intercalation, deren Grundlagen, Methodik und Anwendungen vorgestellt werden. Neben der Bildung von Graphitsalzen wird auch die von Graphitoxid beschrieben; weiterhin werden die Methoden zur Untersuchung solcher Produkte referiert. Auch die funktionellen Gruppen  -  nach 3)  -  lassen sich elektrochemisch umsetzen. Aktuelle Untersuchungen betreffen Elektroden aus chemisch modifiziertem Kohlenstoff, Oberflächenoxide und -fluoride sowie die Oberflächenoxidation von Kohlenstoff-Fasern im Hinblick auf den technischen Einsatz in Verbundwerkstoffen. Eine Fülle weiterer Anwendungsmöglichkeiten zeichnet sich ab.
    Additional Material: 27 Ill.
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 19 (1980), S. 491-492 
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 22 (1983), S. 950-975 
    ISSN: 0570-0833
    Keywords: Electrochemistry ; Black carbons ; Carbon ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: “Modifications” of carbon - as long as they predominantly have the layered graphite structure - exhibit the following properties: (1) electrical conductance, (2) the ability to accomodate ions or molecules between the layers of the lattice, and (3) the ability to react via functional groups at their surfaces (largely at the layer edges). The first of these properties has led to carbon being used as an “inert” electrode material; this aspect will not be considered in this article. The combination of the first and second properties leads to the possibility of electrochemical intercalation. This aspect of black carbon's properties will be described, using both literature data and our own results, in terms of both the basic information and the methodology associated with its uses. In addition to the formation of graphite salts the origin of graphite oxide and the various methods which have been used to analyze these materials will be reviewed. The functional groups [(cf. 3) above] can also be reacted electrochemically. Here, particular emphasis will be placed on detailed results obtained from chemically modified carbon electrodes and also from surface oxides and fluorides. Reference will be made to the technological uses of surface oxidized carbon fibers in composite materials and also generally to possible future uses of graphite based compounds.
    Additional Material: 27 Ill.
    Type of Medium: Electronic Resource
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