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Development of source technology for the use of wearable devices without recharging


Credit: Korea Institute of Science and Technology(KIST)
Despite the continued development and commercialization of various wearable electronic devices, such as smart bands, progress with these devices has been curbed by one major limitation, as they regularly need to be recharged. However, a new technology developed by a South Korean research team has become a hot topic, as it shows significant potential to overcome this limitation for wearable electronic devices.
The Korea Institute of Science and Technology (KIST), or KIST, announced that a research team led by Director Jin-Sang Kim of the Jeonbuk Institute of Advanced Composite Materials has developed a high-efficiency flexible thermoelectric device that is capable of autonomously generating some of the electricity required for its operation from body heat. The device developed by the team features enhanced thermal insulation capabilities, made possible through the fabrication of the flexible silicone compound (PDMS) i ....

Cholla Bukto , South Korea , South Korean , Joonchul Shin , Jin Jung , Nano Energy , National Research Foundation Of Korea , Korea Institute Of Science , Jeonbuk Institute Of Advanced Composite Materials , Ministry Of Science , Creative Materials Discovery Program , Korea Institute , Director Jin Sang Kim , Jeonbuk Institute , Advanced Composite Materials , Sung Jin Jung , Jin Sang Kim , National Research Council , Creative Allied Project , National Research Foundation , Chemistry Physics Materials Sciences , Technology Engineering Computer Science , தெற்கு கொரியா , தெற்கு கொரியன் , ஜின் ஜங் , நானோ ஆற்றல் ,

Energy harvesting made possible with skin temperature


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IMAGE: Conceptual illustration of a compliant TEG with soft electrodes and soft heat conductors (s-HCs) for self-powered circuit applications. The left inset is a photograph of bismuth telluride (Bi2Te3)-based thermoelectric (TE).
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Credit: Korea Institute of Science and Technology(KIST)
A thermoelectric device is an energy conversion device that utilizes the voltage generated by the temperature difference between both ends of a material; it is capable of converting heat energy, such as waste heat from industrial sites, into electricity that can be used in daily life. Existing thermoelectric devices are rigid because they are composed of hard metal-based electrodes and semiconductors, hindering the full absorption of heat sources from uneven surfaces. Therefore, recent studies were actively conducted on the development of flexible thermoelectric devices capable of generating energy in close contact with various heat sources such as human ....

Soult Ukpyolsi , South Korea , Seungjun Chung , Yongtaek Hong , Creative Convergence Research , Nature Communications , Computer Engineering At Seoul National University , Institutional Rd Program , Department Of Electrical , Materials Research Center , Korea Institute Of Science , Ministry Of Science , Korea Institute , Soft Hybrid Materials Research Center , Professor Yongtaek Hong , Computer Engineering , Seoul National University , Creative Materials Discovery Program , National Research Foundation , Creative Convergence Research Project , Global Frontier , Chemistry Physics Materials Sciences , Technology Engineering Computer Science , தெற்கு கொரியா , படைப்பு குவிதல் ஆராய்ச்சி , இயற்கை தகவல்தொடர்புகள் ,