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Energy harvesting devices at minimum weight can significantly reduce fuel and CO2 emissions in many applications, like transport or industrial processes, contributing to the development of a more resilient and sustainable world. Thermoelectric materials can contribute as a renewable solution to this goal. We will develop a technology that will enable the aeronautical application of thermoelectric materials to convert thermal energy into electrical energy, establishing the foundations to export this technology to other sectors.
Figure 1. a) Schematic drawing of a thermoelectric module (n-type and p-type semiconductor pellets connected electrically in series and thermally in parallel) to harvest energy from temperature differences. b) Finite Element Modelling of a thermoelectric generator (TEG) made of bismuth telluride pellets.
Objective
We want to develop a proof of concept (PoC) showing that thermoelectric materials can convert 15-20% of the airplane’s heat waste into electricity. The PoC will define the technical challenges and provide solutions to overcome potential limitation such as parasitic thermal paths and material compatibility avoiding thermal stress. We will investigate solutions for design and operability, e.g., weight limitation, industrial production of components and ease of maintenance. Furthermore, this research will consider non-trivial technical challenges such as material stability under vibration in flight and (accidental) shocks.
We are looking for a talented Postdoctoral Researcher with experience in fabrication and thermal and electrical characterization of thermoelectric materials, ranging from the nano- to the macroscale. Additionally, the candidate must also have previous experience in the integration of these thermoelectric materials in systems, i.e. electrical engineering level (integration of these thermoelectric generators in circuits or combination of these thermoelectric generators with other type of technology, etc).
Overall
We offer a challenging one and a half year full postdoc position, starting from June 2019 in an inspiring multidisciplinary environment.
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