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Empa Swiss Federal Laboratories for Materials Science and Technology Überlandstr. 129 8600 Dübendorf, Switzerland http://www.empa.ch
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Empa Swiss Federal Laboratories for Materials Science and Technology

Ein flexibler Elektrolyt für feste Batterien

Polymer-Material ermöglicht bessere Feststoffakkus

(PresseBox) (Dübendorf, )
Feststoffbatterien verzichten auf brennbare flüssige Elektrolyten und sind somit sicherer als konventionelle Lithiumionenakkus. Empa-Forschende haben einen festen Elektrolyten entwickelt, der auf einem dehnbaren Polymer basiert. Das skalierbare Material könnte bessere Feststoffbatterien ermöglichen und etwa in flexiblen Akkus für medizinische Anwendungen zum Einsatz kommen.Das ist eine Batterie: zwei unterschiedlich gepolte Elektroden und dazwischen ein Elektrolyt, der den Transport der geladenen Ionen zwischen den Elektroden ermöglicht und die Elektronenleitfähigkeit blockiert – und somit das Laden und Entladen der Batterie möglich macht. In den meisten Batterien ist der Elektrolyt eine brennbare Flüssigkeit. Sogenannte Feststoffbatterien nutzen stattdessen einen Feststoff als Elektrolyten. Das macht sie
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