Magnetic cooling – using a frustrated desert mineral: Research team from @tubraunschweig and #HZDR identifies #atacamite as a #magnetocaloric material. The results could help to develop new materials for energy-efficient magnetic #cooling.
▶️ hzdr.de/presse/atacamite
Image: B. Schröder/HZDR
Is anyone working on self-cooling electric dynamo, alternators, or motor via #magnetocaloric cooling?
New clean tech
"A team of researchers from the U. S. Department of Energy #Ames National Laboratory developed a #magnetocaloric #heatpump that matches current vapor-compression heat pumps for weight, cost, and performance."
https://www.achrnews.com/articles/163876-greener-technology-poised-to-replace-vapor-compression
<p><span data-contrast="auto" lang="EN-US" style=" user-select: text; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; widows: 2; word-spacing: 0px;"><span style=" user-select: text;"></span><span style=" user-select: text;">Researchers have developed a magnetocaloric heat pump that eliminates refrigerant emissions, uses less energy, and matches vapor-compression systems in weight, cost, and performance.</span></span><span data-ccp-props="{"201341983":0,"335559740":240}" style=" user-select: text; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; widows: 2; word-spacing: 0px;"> </span> </p>
The magnetocaloric solution to the heat pump refrigerant problem
https://cleantechnica.com/2024/12/09/inside-the-heart-of-the-magnetocaloric-heat-pump-of-the-future/
#heatpump #heatpumps #energy #energyefficient #energyefficiency #electricheatpump #hvac #magnetocaloric #elastocaloric #magnets #magnetic #magnetism #refrigerant #refrigerants #ozonelayer #rareearths #supplychain #innovation #us #unitedstates #science #research #electrification #electricity
The magnetocaloric solution to the heat pump refrigerant problem
https://cleantechnica.com/2024/12/09/inside-the-heart-of-the-magnetocaloric-heat-pump-of-the-future/
#heatpump #heatpumps #energy #energyefficient #energyefficiency #electricheatpump #hvac #magnetocaloric #elastocaloric #magnets #magnetic #magnetism #refrigerant #refrigerants #ozonelayer #rareearths #supplychain #innovation #us #unitedstates #science #research #electrification #electricity
Publicamos nuevo #Artículo #cientifico
Effect of Nd #doping on the #crystallographic, #magnetic, and #magnetocaloric properties of NdxGd3−xCoNi
Hydrogen will play a key role in the transformation towards a carbon-neutral society. By comparison with current usage, it is estimated that global hydrogen requirements will increase fivefold by 2050 to some 550 million tons. But in order to store hydrogen, enormous amounts of energy are needed. During liquefaction, approximately a third of the energy content of hydrogen is lost, which makes the process largely uneconomical. In the Horizon Europe project HyLICAL with a budget of some five million euros, a team including the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), TU Darmstadt and the start-up MAGNOTHERM wants to significantly improve the technologies for storing liquid hydrogen. To this end, the team is building on magnetocaloric materials that change their temperature when they are exposed to a magnetic field.
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