Realizing 10% Conversion Efficiency by Contact Engineering of Mg3Sb1.5Bi0.5 for Medium Temperature Thermoelectric Power Generation
Nirma Kumari,
Amit Singh,
Titas Dasgupta
Abstract:Parasitic losses at various interfaces play a crucial role in determining the thermoelectric (TE) generator performance. In this work, we adopt an approach wherein the interface contact resistance can be minimized by using a combination of the multilayer (ML) contacting technique and transient liquid phase (TLP) bonding. The technique was experimentally verified with doped Mg 3 Sb 1.5 Bi 0.5 . First, a contacted leg consisting of the TE material, the diffusion barrier layer, and an outer metallic (copper) laye… Show more
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