Abstract
ABSTRACT: It is expected that fuel cells and particularly solid oxide fuel cells (SOFC) as direct converters of chemical energy into electrical energy will gain an important position in future stationary electric power generation. SOFCs of present development state operate in a temperature range of around 900 °C. Their efficiency is considerably higher and their operation less burdened by wastes and environmental problems compared to presently applied systems. Therefore, there exists great interest to make such SOFC units available in a technical scale. A main precondition for a wide spread application of SOFCs is particularly a considerable reduction of the production costs. Besides the improvement of presently used methods mainly basing on sintering techniques, also new technologies have been under consideration and development. In this connection DC and RF plasma deposition processes became attractive for producing components or even entire cells. But further process improvements are needed to meet the special quality and economic demands of the SOFCs.
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