Powercell erhält europäisches Patent für eine neue Brennstoffzelle, S2 Powercell Dezentrale Energien Technik 18. Oktober 2016 Werbung PowerCell obtains a European patent for a new innovation for the fuel cell stack PowerCell S2 for a more compact, robust and steady fuel cell stack (WK-intern) - Gothenburg, Sweden - Leading fuel cell company PowerCell Sweden AB (publ) has obtained a new European patent. It is a new innovation to the fuel cell stack PowerCell S2, a design of a flow field plate for fuel cells. With the new innovation, end customers can expect a more compact fuel cell stack which simplifies integration and opens up more potential applications, as well as a fuel cell stack that is both steady and easier