Thermomechanical processing of Fe2VAl-based compounds for thermoelectric applications
(2011) Materials for Energy — Location: Tallberg, Sweden (9.October.2011)
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- Abstract
- In numerous industrial applications, recovering low grade heat through the thermoelectric effect would be economical and environmentally friendly. Indeed, thermoelectric materials convert a temperature gradient into electricity. For that purpose, they should have a high electrical conductivity (s), a low thermal conductivity (l) and a high Seebeck coefficient (a = dV/dT). Fe2VAl is a good candidate for large-scale thermoelectric applications since it is cheaper, more readily available and less toxic than more conventional thermoelectric materials (such as Bi2Te3). Moreover it has a similar power factor in the temperature range from 200 to 500 K. The power factor (P = a²s) is the parameter to optimize when recovering low grade heat in industrial processes [Rowe06], because this type of heat is actually dissipated in the atmosphere and is thus a free heat source.
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van der Rest, C., Marchal-Marchant, V., Sinnaeve, M., Simar, A., Jacques, P., & et al. (2011). Thermomechanical processing of Fe2VAl-based compounds for thermoelectric applications. Materials for Energy, Tallberg, Sweden. https://hdl.handle.net/2078.5/24241