New Nanomaterials for highly efficient refrigerators and cooling systems
11 January 2012Thermoelectric refrigerators are being used for more than 20 years now and these solid state cooling systems use thermoelectric materials that convert electricity into a range of temperatures from hot to cold and recently the research carried out shows a potential of improvement in these devices.
One of the major disadvantages with the present thermoelectric cooling devices is that the material is costly and at the same time, it is difficult to make huge quantity of the required material. Researchers at Rensselaer Polytechnic Institute have now designed a new way to produce advanced nanomaterials that even will not require any refrigerants and moving parts in the modern high efficient refrigerators. The study findings have been published in the Journal Nature Materials.
Researchers have actually deliberately contaminated the nanostructured thermoelectric materials or it is better to say doped the material with sulfur. The resultant pea size pallets are obtained by cooking the dopant and the material together in a microwave oven and these pallets are showing much superior properties than the thermoelectric materials available in the market. This is superfast and very economical way of making the material that can significantly change the future thermoelectric cooling devices.
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