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Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS Winterbergstraße 28 01277 Dresden, Germany http://www.iws.fraunhofer.de
Contact Mr Markus Forytta +49 351 833913614
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Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS

Graphit statt Gold: Dünne Schichten für bessere Wasserstoff-Autos

(PresseBox) (Dresden, )
Elektroautos, die binnen fünf Minuten vollgetankt sind, auf Reichweiten wie ein Diesel kommen und doch »sauber« fahren: Das schaffen mit Wasserstoff betankte Brennstoffzellen-Fahrzeuge bereits heute. Allerdings sind sie bisher noch selten und teuer. Neben Effizienzproblemen liegt das unter anderem an einer Kernkomponente: Goldbeschichtete Bipolarplatten (BiP) in Brennstoffzellen. Sie sind außerdem aufwendig in der Herstellung. Das Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS Dresden, der deutsche Automobilkonzern Daimler und das finnische Stahlunternehmen Outokumpu Nirosta haben nun eine preiswerte Alternative für die schnelle Massenproduktion entwickelt.

Wissenschaftler des Fraunhofer IWS haben dafür eine Technologie entwickelt, die auch eine kontinuierliche Produktion von Bipolarplatten ermöglicht. Statt
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