Abstract
Efficient bipolar plates are needed to store electricity from renewable energies. Here the focus is concentrating on graphite-compound-Bipolar plates, which are one of the most used components in a Fuel Cell Stack system. Among other things, polypropylene is a suitable matrix material, but other polymer materials such as PPS and PVDF and phenolic resins can also be considered. However, for a correspondingly high conductivity in the fuel cell system, the plastic must be filled with up to more than 80 % graphite. To ensure that the compound is not brittle afterwards and is as easy to process as possible, an impact modify cation was further developed that makes it possible to produce thin films.
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