Fig. 11From: Additively manufactured nano-mechanical energy harvesting systems: advancements, potential applications, challenges and future perspectivesa A 3D printed compositional three-block BiSbTe thermoelectric generator b temperature gradient along the TEG layers evaluated by simulations c testing schematic to experimentally measure the output power and energy conversion efficiency of TEG d the output power and voltage of the proposed TEG at varying temperature difference e comparison of the simulated and experimentally measured power densities of the TEG as a function of the applied temperature difference f trend of energy conversion efficiency with ΔT [35] (Images are re-used with the permission of the publisher)Back to article page