The viability of a solid-state secondary battery system for vehicle traction application has been pursued with a change of emphasis from individual material property characterization to the fabrication and testing of cells. The system chosen for study utilizes a polymeric electrolyte (PEO)9LiF3CSO3, a composite cathode based on V6O13 and a lithium or lithium-aluminium anode. Operating temperatures are in the range 120 Cel-140 Cel. In the case of cells with lithium-metal anodes, modifications in cathode microstructure and composition have produced improved performance in terms of achiebable current density, material utilization and reproducibility. Scale-up of cells to 100 cm2 area has been carried out without loss of performance and series-connected stacks have been cycled successfully. Large area Li-Al alloy anodes have been preapred electrochemically as thin films on aluminium substrates and cycled. Cells constructed in the discharged state using chemically lithiated V6O13 cathodes and aluminium anodes have been charged and subsequently cycled many times. It is concluded that both the achieved cell performance and component fabrication techniques are consistent with the traction battery application. A number of important areas for future development work are suggested.


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    Title :

    The fabrication and testing of solid-state cells


    Additional title:

    Die Herstellung und Ueberpruefung von Festelektrolytzellen


    Contributors:
    Hooper, A. (author) / Lundgaard, J.S. (author) / Owen, J.R. (author)


    Publication date :

    1984


    Size :

    15 Seiten, 11 Bilder, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English







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