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Scientists show a single catalyst can perform the first step of turning CO2 into fuel in two very different ways


August 4, 2021
Scientists show a single catalyst can perform the first step of turning CO2 into fuel in two very different ways
Scientists show a single catalyst can perform the first step of turning CO2 into fuel in two very different ways
Their work aims to bridge two approaches to driving the reaction – one powered by heat, the other by electricity – with the goal of discovering more efficient and sustainable ways to convert carbon dioxide into useful products.
By Glennda Chui
Structured Content
Virtually all chemical and fuel production relies on catalysts, which accelerate chemical reactions without being consumed in the process. Most of these reactions take place in huge reactor vessels and may require high temperatures and pressures. ....

Thomas Jaramillo , David Koshy , Zhenan Bao , Sindhu Nathan , Angewandte Chemie , Department Of Energy , Scientists At Stanford University , Institute For Interface Science , National Accelerator Laboratory , Stanford University , Accelerator Laboratory , Interface Science , Professor Stacey Bent , Professor Zhenan Bao , தாமஸ் ஜராமில்லோ , டேவிட் கோஷி , துறை ஆஃப் ஆற்றல் , விஞ்ஞானிகள் இல் ஸ்டான்போர்ட் பல்கலைக்கழகம் , தேசிய முடுக்குப்பொறி ஆய்வகம் , ஸ்டான்போர்ட் பல்கலைக்கழகம் , முடுக்குப்பொறி ஆய்வகம் , இடைமுகம் அறிவியல் ,

First nanoscale look at a reaction that limits efficiency of generating clean hydrogen fuel


SLAC
With a new suite of tools, scientists discovered exactly how tiny plate-like catalyst particles carry out a key step in that conversion – the evolution of oxygen in an electrocatalytic cell – in unprecedented detail.
Transitioning from fossil fuels to a clean hydrogen economy will require cheaper and more efficient ways to use renewable sources of electricity to break water into hydrogen and oxygen.
But a key step in that process, known as the oxygen evolution reaction or OER, has proven to be a bottleneck. Today it’s only about 75% efficient, and the precious metal catalysts used to accelerate the reaction, like platinum and iridium, are rare and expensive. ....

Stanford University , United States , Department Of Energy , District Of Columbia , United Kingdom , Patrick Unwin , David Shapiro , Minkyung Kang , Cameron Bentley , Tyler Mefford , J Tyler Mefford , Alessandro Volta , Andrew Akbashev , Warwick University , Small Business Innovation Research , Berkeley Lab Advanced Light Source , Stanford Institute For Materials , Lawrence Berkeley National Laboratory Lab , University Of Warwick , Energy Sciences , Office Of Science , Berkeley Lab , Institute For Interface Science , National Accelerator Laboratory , Accelerator Laboratory , Berkeley National Laboratory ,