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Researchers succeed in new enzyme system for hydrogen conversion : Biofuels Digest


“If you embed the sensitive hydrogenases in suitable polymers, they work for several weeks even in the presence of oxygen,” says Nicolas Plumeré, Professor of Electrobiotechnology at the Technical University of Munich, formerly at the Ruhr University in Bochum. “Without this protection, they lose their activity within minutes.”
However, embedding in so-called redox polymers, plastics, whose side groups can transfer electrons, has a decisive disadvantage: They offer high resistance to the flow of electrons. In order to overcome it, one has to invest energy, and this is lost in the form of heat. The embedded hydrogenases completely lost their ability to generate hydrogen. ....

Nordrhein Westfalen , Nicolas Plumer , Technical University Of Munich , Max Planck Institute For Chemical Energy Conversion , Ruhr University In Bochum , Technical University , Max Planck Institute , Chemical Energy Conversion , Ruhr University , னோற்ர்ேன் வெஸ்ட்ஃபாலன் , நிக்கோலாஸ் ப்ல்யூமர் , தொழில்நுட்ப பல்கலைக்கழகம் ஆஃப் முனிச் , தொழில்நுட்ப பல்கலைக்கழகம் , இரசாயன ஆற்றல் மாற்றம் ,

Enzyme system for the hydrogen industry - Sonnenseite - Ökologische Kommunikation mit Franz Alt


14.05.2021
Enzyme system for the hydrogen industry
An enzyme could make a dream come true for the energy industry: It can efficiently produce hydrogen using electricity and can also generate electricity from hydrogen. The enzyme is protected by embedding it in a polymer.
An international research team with significant participation of scientists from Technical University of Munich (TUM) has presented the system in the renowned science journal Nature Catalysis.
Fuel cells turn hydrogen into electricity, while electrolysers use electricity to split water to produce hydrogen. Both need the rare and thus expensive precious metal platinum as a catalyst. Nature has created a different solution: Enzymes, referred to as hydrogenases. They catalyze the conversion of hydrogen very quickly and almost without energy loss. ....

Nordrhein Westfalen , Dawitt Filmon , Stefanie Stapf , Nicolas Plumer , Jamesa Birrell , Vincent Fourmond , Technical University Of Munich , French National Centre For Scientific Research , Max Planck Institute For Chemical Energy Conversion , Technical University , French National Centre , Scientific Research , Max Planck Institute , Chemical Energy Conversion , Steffen Hardt , Nature Catalysis , னோற்ர்ேன் வெஸ்ட்ஃபாலன் , நிக்கோலாஸ் ப்ல்யூமர் , தொழில்நுட்ப பல்கலைக்கழகம் ஆஃப் முனிச் , பிரஞ்சு தேசிய மையம் க்கு அறிவியல் ஆராய்ச்சி , தொழில்நுட்ப பல்கலைக்கழகம் , பிரஞ்சு தேசிய மையம் , அறிவியல் ஆராய்ச்சி , இரசாயன ஆற்றல் மாற்றம் , இயற்கை வினையூக்கம் ,