Carbon-Based Printed Thermoelectric Generator on Paper for Cold-Chain Monitoring
2023 Smart Systems Integration Conference and Exhibition (SSI)（2023）
Instituto de Microelectrónica de Barcelona. IMB-CNM (CSIC)
Abstract
Many essential goods need to be stored at specific temperatures throughout the production and distribution chain. Therefore, it becomes necessary to be able to continuously monitor the storage temperature of such products, possibly through inexpensive and environmentally friendly sensors. Here, we propose a self-powered sensor based on thermoelectric power generation. The thermoelectric generator, based on carbon materials, is in contact with the environment on one side and with a phase change material on the other. This allows the generation of a transient temperature difference whenever the sensor is exposed to an inappropriate temperature, which results in the generation of electrical energy that can be exploited to detect and report the exposure to such environment.
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Key words
self-powered sensor,flexible thermoelectric generator,cold-chain monitoring,carbon materials,carbon nanotubes,phase change material
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