Biogas Fuel Cell Efficiency Reaches 74.2 Percent
A startup is developing solid oxide fuel cells capable of operating at temperatures exceeding 600 degrees Celsius. The technology aims to store up to 200 terawatt-hours of renewable methane in existing pipelines, which could support the entire gas network for three months. Professor Ralph Peters, acting head of the Institute for Electrochemical Process Engineering at Forschungszentrum Jülich, expressed skepticism regarding the economic viability and cost-effectiveness of the solution. He noted that while the technical combination is interesting, its widespread adoption remains uncertain. Four installed Reverion systems have completed several thousand operating hours, but long-term reliability remains unproven for operators seeking electricity and heat. Access to the large gas grid in Germany is also limited by a low number of injection points for biogas utilization.
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Sources · 7 independent
“A solid oxide fuel cell that works at temperatures of over 600 degrees Celsius. The advantage is not just how it works. In terms of storage, there is huge potential.”
“die das Biogabe diese Brennstoffzelle deutlich... Weil die Anlagenbetreiber und auch die, die quasi den Strom und die Wärme nützen möchten, möchten natürlich zuverlässige Anlagen haben und das muss nachgewiesen werden.”
“Im Feld demonstriert, dass wir mit Biogas zu Strom, und zwar tatsächlich heizwert des Gases, zu Strom ins Netz eingespeist, 74,2 Prozent, damit 10 Prozent Punkte besser als jedes Gas- und Amfkraftwerk, egal in welcher Größenordnung.”
“Es ist ja sicherlich technisch gesehen eine interessante Kombination. Ob sich das in solchen Anlagen durchsetzt, ist die Frage.”
“Die vier installierten Riverions auf Kosten kann es an, sagt etwa Prof. Alph Peters Theme, haben aber erst einige 1000 Betriebsstunden hinter sich.”
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