Transforming common soft magnets into a next-generation thermoelectric conversion materials by 3 minutes heat treatmentA research team has demonstrated that an iron-based amorphous alloy, widely used as a soft magnetic material in transformers and motors, can be transformed into a 'transverse' thermoelectric conversion material that converts electric and thermal currents in orthogonal directions, with just a short period of heat treatment.
The use of transverse thermoelectric effects in magnetic materials is expected to simplify the structure of thermoelectric conversion devices compared to the longitudinal thermoelectric effects, where electric and thermal currents are converted in parallel directions. This simplification can lead to enhanced versatility and durability of the devices, as well as cost reduction.
The developed magnetic material can be easily mass-produced and scaled up, and it is also flexible. By further developing magnetic materials with even higher anomalous Nernst coefficients through microstructure control, the team aims to apply this technology to energy conversions in electronic devices and to thermal sensing technologies.
Scientists have developed a new approach to the design of thermoelectric materials by constructing a database of electronic structure parameters correlated with materials' thermoelectric ...
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Fonte: cleantechnica - 🏆 565. / 51 Consulte Mais informação »