Every efficiency gain discovered in the lab feeds through to the final cost of electricity. Anne Trafton at MIT describes new research looking at how electrons and protons couple at an electrode surface, which drives electric current. It’s a critical step in many energy technologies, including fuel cells, hydrogen electrolysers, batteries, and CO2 conversion into chemical fuels. The first step was to develop a way to design electrode surfaces … [Read more...]
“Flow Batteries” for grid-scale storage: modelling cheaper alternatives to Vanadium
Flow batteries are a promising new technology for grid storage. Rather than the standard batteries that store charge in a solid material, they use a solution to store that charge, making large-scale long-duration electricity storage much easier. Vanadium electrolytes have been the preferred choice so far, but affordable supplies are limited and a cheaper alternative will be needed for global scale-up, explains Nancy Stauffer at MIT who describes … [Read more...]
CCUS “gasphilic” process could double the conversion rate of CO2 into useful fuels
Carbon capture and storage (CCS) is proving very expensive. So rather than simply store the CO2 underground it’s better to turn it into something that you can sell. Hence, much work is being directed at turning CO2 into transportation fuels or chemical feedstocks by focussing on the science of reactive materials: the other chemicals in the soup, using different catalysts, and even designing the right nanostructures to maximise the results. MIT’s … [Read more...]