Woran E-Fuels IMMER scheitern werden! Der Fall Wissing | Podcast #60 | Quarks Science Cops

Quarks Science Cops July 22, 2023

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Können E-Fuels jemals klimaneutral werden? Oder gibt es da eine natürliche Grenze? In diesem Podcast nehmen die Quarks Science Cops sich dieser Frage an. Die FDP ist für “Technologieoffenheit”. Und für E-Fuels! Verkehrsminister Volker Wissing will, dass deutsche Autos in Zukunft auch mit klimaneutralen E-Fuels fahren können, statt durch E-Autos ersetzt zu werden. Ein Verbrennerverbot soll es mit ihm nicht geben. Doch sind synthetische Kraftstoffe - also E-Fuels - für Autos wirklich sinnvoll? Die Quarks Science Cops Maximilian Doeckel und Jonathan Focke ermitteln in ihrem Podcast, ob E-Fuels nicht viel eher eine ziemlich unsinnige Energieverschwendung sind! Denn E-Fuels haben ein ziemlich großes Problem: Die Effizienz! Um die E-Fuels herzustellen, muss man erst einmal Wasserstoff und Kohlendioxid gewinnen. Und dafür braucht man jede Menge Strom. Der Strom wird also über mehrere Schritte in die E-Fuels umgewandelt - und dabei geht jede Menge Energie verloren. Wie viel das ist und wie ein mit E-Fuels angetriebenes Auto im Vergleich zu einem E-Auto abschneidet, erklären die Science Cops in dieser Folge ihres Podcasts. Aber kann man die Effizienz von E-Fuels in Zukunft vielleicht verbessern? Oder die E-Fuels einfach aus Ländern importieren, wo es einen Überschuss von Strom aus Sonne und Wind gibt? Wie realistisch das ist, checken wir ebenfalls für euch in diesem Podcast. Kapitel 0:00:00: Intro: Der "Kampf ums Auto" 0:03:56: Profiling: Was sind E-Fuels? 0:16:15: So schlecht ist die Effizienz von E-Fuels 0:23:41: Werden E-Fuels in Zukunft effizienter? 0:35:09: Können wir E-Fuels nicht einfach importieren? 0:45:27: Die Festnahme -- Unsere Quellen: Romero-Pascal & Soler: Modelling of an HTPEM-based micro-combined heat and power fuel cell system with methanol (International Journal of Hydrogen Energy, 2014) https://www.sciencedirect.com/science... Clausen et al.: Technoeconomic analysis of a methanol plant based on gasification of biomass and electrolysis of water (Energy, 2010) https://www.sciencedirect.com/science... Ash et al: Renewable electricity requirements to decarbonise transport in Europe with electric vehicles, hydrogen and electrofuels - Investigating supply-side constraints to decarbonising the transport sector in the European Union to 2050 (im Auftrag für Transport & Environment, 2020) https://www.transportenvironment.org/... Siegemund et al.: E-FUELSSTUDY The potential of electricity-based fuels for low-emission transport in the EU. An expertise by LBST and dena (dena.de, 2017) https://www.dena.de/fileadmin/dena/Do... Riemer et al.: Future hydrogen demand: A cross-sectoral, global meta-analysis (isi.fraunhofer.de,2022) https://www.isi.fraunhofer.de/content... Antriebsportfolio der Zukunft: VDE Studie Ein Meinungsführer/-innen-Report aus Politik und Wirtschaft (VDE.com, 2021) https://www.vde.com/resource/blob/206... Ueckardt & Odenweller: E-Fuels - Aktueller Stand und Projektionen (pik-potsdam.de, 2023) https://www.pik-potsdam.de/members/Ue... Karsten: E-Fuels im Verkehrssektor Kurzstudie über den Stand des Wissens und die mögliche Bedeutung von E-Fuels für den Klimaschutz im Verkehrssektor (oeke.de, 2020) https://www.oeko.de/fileadmin/oekodoc... Bundestag: Wissenschaftliche Dokumentation zu E-Fuels 2018 https://home.mycloud.com/public/066bb... Effizienz und Kosten: Lohnt sich der Betrieb eines Elektroautos? (BMUV, 2020) https://www.bmuv.de/themen/luft-laerm... Der Gasnetztransformationsplan 2022 (DVGW, 2022) https://www.h2vorort.de/fileadmin/Red... Leitprojekt H2Giga https://www.wasserstoff-leitprojekte.... #efuel #eauto #elektroauto #Quarks #Podcast #sciencecops #efuels

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