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Printed Generators Could Power the IoT

Researchers developed a process for printing inexpensive, three-dimensional thermoelectric generators.
Feb 8th, 2021
Karlsruhe Institute of Technology
With the help of newly developed inks and special production techniques, such as origami, inexpensive thermoelectric generators can be produced for various applications.
Andres Rösch, KIT
Thermoelectric generators, TEGs for short, convert ambient heat into electrical power. They enable maintenance-free, environmentally friendly, and autonomous power supply of the continuously growing number of sensors and devices for the Internet of Things (IoT) and recovery of waste heat. Scientists of Karlsruhe Institute of Technology (KIT) have now developed three-dimensional component architectures based on novel, printable thermoelectric materials. This might be a milestone on the way towards use of inexpensive TEGs. The results are reported in ....

Uli Lemmer , Head Of The Light Technology Institute , Scientists Of Karlsruhe Institute Technology , Energy Letters , Flexible Electronics , Heidelberg Innovation Lab , Karlsruhe Institute , Professor Uli Lemmer , Light Technology Institute , தலை ஆஃப் தி ஒளி தொழில்நுட்பம் நிறுவனம் , விஞ்ஞானிகள் ஆஃப் கார்ல்‌ஸ்ரூ நிறுவனம் தொழில்நுட்பம் , ஆற்றல் எழுத்துக்கள் , நெகிழ்வான மின்னணுவியல் , ஹைடெல்பெர்க் கண்டுபிடிப்பு ஆய்வகம் , கார்ல்‌ஸ்ரூ நிறுவனம் , ஒளி தொழில்நுட்பம் நிறுவனம் ,

Energy harvesting: Printed thermoelectric generators for power generation

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IMAGE: With the help of newly developed inks and special production techniques, such as origami, inexpensive thermoelectric generators can be produced for various applications.
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Credit: Andres Rösch, KIT
Thermoelectric generators, TEGs for short, convert ambient heat into electrical power. They enable maintenance-free, environmentally friendly, and autonomous power supply of the continuously growing number of sensors and devices for the Internet of Things (IoT) and recovery of waste heat. Scientists of Karlsruhe Institute of Technology (KIT) have now developed three-dimensional component architectures based on novel, printable thermoelectric materials. This might be a milestone on the way towards use of inexpensive TEGs. The results are reported in ....

Baden Wuberg , Silas Aslan , Andres Georg , Mofasser Mallick , Lara Penth , Matthias Hecht , Ulrich Lemmer , Sandra Wiebe , Leonard Franke , Uli Lemmer , Daniel Friderich , Daniel Bahro , Head Of The Light Technology Institute , German Federal Environmental Foundation , Energy Lett , Research University , German Research Foundation , Scientists Of Karlsruhe Institute Technology , Helmholtz Association , Energy Letters , Flexible Electronics , Ministry Of Education , Heidelberg Innovation Lab , Karlsruhe Institute , Professor Uli Lemmer , Light Technology Institute ,

From waste heat to electrical power: A new generation of thermomagnetic generators

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Credit: Photo: IMT/KIT
Use of waste heat contributes largely to sustainable energy supply. Scientists of Karlsruhe Institute of Technology (KIT) and T?hoku University in Japan have now come much closer to their goal of converting waste heat into electrical power at small temperature differences. As reported in
Joule, electrical power per footprint of thermomagnetic generators based on Heusler alloy films has been increased by a factor of 3.4. (DOI: 10.1016/j.joule.2020.10.019)
Many technical processes only use part of the energy consumed. The remaining fraction leaves the system in the form of waste heat. Frequently, this heat is released into the environment unused. However, it can also be used for heat supply or power generation. The higher the temperature of the waste heat is, the easier and cheaper is its reuse. Thermoelectric generators can use waste heat of low temperature for direct conversion into electrical power. Thermoelectric materials used so ....

Baden Wuberg , Joel Joseph , Martin Heidelberger , Makoto Ohtsuka , Hiroyuki Miki , Manfred Kohl , Devices Group , Thoku University , Scientists Of Karlsruhe Institute Technology , Helmholtz Association , Energy Center , Institute Of Microstructure Technology , Research University , Karlsruhe Institute , Microstructure Technology , Professor Manfred Kohl , Smart Materials , Waste Heat Close , Thermomagnetic Generators Based , Heusler Alloy , Press Officer , ஜோயல் ஜோசப் , ஹீரோயுக்கி மிகி , ம்யாந்ஃப்ரெட் கோல் , சாதனங்கள் குழு , விஞ்ஞானிகள் ஆஃப் கார்ல்‌ஸ்ரூ நிறுவனம் தொழில்நுட்பம் ,

Biodegradable displays for sustainable electronics

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IMAGE: Thanks to its flexibility and adhesion, the biodegradable display can be worn directly on the hand.
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Credit: Manuel Pietsch, KIT
In the next years, increasing use of electronic devices in consumables and new technologies for the internet of things will increase the amount of electronic scrap. To save resources and minimize waste volumes, an eco-friendlier production and more sustainable lifecycle will be needed. Scientists of Karlsruhe Institute of Technology (KIT) have now been the first to produce displays, whose biodegradability has been checked and certified by an independent office. The results are reported in the
Journal of Materials Chemistry. (DOI: 10.1039/d0tc04627b) ....

Stefan Schlisske , Alexander Wieczorek , Manuel Pietsch , Noah Strobel , Gerardo Hernandez Sosa , Heidelberg Innovationlab , Martin Held , Scientists Of Karlsruhe Institute Technology , Light Technology Institute , Energy Consumption , Electronics Group , Karlsruhe Institute , Technology Institute , Simple Component , Medical Diagnostics , Materials Chemistry , அலெக்சாண்டர் விக்ஜொரெக் , நோவா ஸ்ட்ரோபல் , ஜெரார்டோ ஹெர்னாண்டஸ் சோசா , மார்டின் கட்டுப்பாட்டில் , விஞ்ஞானிகள் ஆஃப் கார்ல்‌ஸ்ரூ நிறுவனம் தொழில்நுட்பம் , ஒளி தொழில்நுட்பம் நிறுவனம் , ஆற்றல் நுகர்வு , மின்னணுவியல் குழு , கார்ல்‌ஸ்ரூ நிறுவனம் , தொழில்நுட்பம் நிறுவனம் ,

Catalyst Research: Molecular Probes Require Highly Precise Calculations

Catalyst Research: Molecular Probes Require Highly Precise Calculations
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Institute Of Functional Interfaces , Scientists Of Karlsruhe Institute Technology , Institute Of Catalysis Research , Karlsruhe Institute , Physical Review Letters , Functional Interfaces , Calculation Time , Catalysis Research , Consejo Superior De Investigaciones Cient , நிறுவனம் ஆஃப் செயல்பாட்டு இடைமுகங்கள் , விஞ்ஞானிகள் ஆஃப் கார்ல்‌ஸ்ரூ நிறுவனம் தொழில்நுட்பம் , நிறுவனம் ஆஃப் வினையூக்கம் ஆராய்ச்சி , கார்ல்‌ஸ்ரூ நிறுவனம் , உடல் விமர்சனம் எழுத்துக்கள் , செயல்பாட்டு இடைமுகங்கள் , கணக்கீடு நேரம் , வினையூக்கம் ஆராய்ச்சி ,