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Thermoelectric-Photoelectric Integrated Micro-Scale Generator for Power Supply of WSNs in Airplane | IEEE Conference Publication | IEEE Xplore

Thermoelectric-Photoelectric Integrated Micro-Scale Generator for Power Supply of WSNs in Airplane


Abstract:

We propose the first thermoelectric-photoelectric integrated micro-scale generator designed for the power supply of wireless sensor nodes (WSNs) in the airplane. The micr...Show More

Abstract:

We propose the first thermoelectric-photoelectric integrated micro-scale generator designed for the power supply of wireless sensor nodes (WSNs) in the airplane. The micro-scale generator consists of a back-contact solar cell used for optical energy harvesting and a hybrid structure μ-TEG for thermal energy harvesting. Light trapping schemes like silicon nitride antireflection coating and random texturing at the bottom surface are adopted to reduce the reflection loss. The hot side and cold side of thermopile are insulated by the air cavity above and oxide passivation layer below to increase the thermal resistance between the two sides. The simulated results show that the efficiency of the solar cell can reach 15.12 % and the power factor of μ-TEG is larger than 0.8 μWcm-2K-2 with optimal structure parameters.
Date of Conference: 22-26 April 2018
Date Added to IEEE Xplore: 07 December 2018
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Conference Location: Singapore

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