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Gwangju Institute of Science and Technology researchers develop a novel thermoelectric generator inspired from zebra skin

Researchers at GIST developed a novel thermoelectric generator inspired by zebra skin, creating a high in-plane temperature gradient for generating electricity. The design uses a pattern resembling black-and-white zebra stripes to increase its applicability while reducing environmental impact.

SourceGIST (Gwangju Institute of Science and Technology)·JournalScience Advances·TypeExperimental study·DateMar 9, 2023

Clemson researchers, "father of Thermoelectrics" team up to develop new method to evaluate thermoelectric materials

A team of Clemson researchers has developed a new method to evaluate the efficiency of thermoelectric materials, called the figure-of-merit (zT), which considers temperature, electrical conductivity, and thermal conductivity. The new method uses Peltier cooling to measure zT with higher resolution and accuracy.

SourceClemson University·JournalJournal of Applied Physics·TypeExperimental study·DateJan 9, 2023

Thermoelectrics: From heat to electricity

Scientists have discovered a way to optimize thermoelectric properties in one material by exploiting the Anderson transition, where electrons move freely, enabling efficient energy conversion. This breakthrough could lead to improved performance in thermoelectric devices and applications, such as power generation and waste heat recovery.

SourceVienna University of Technology·JournalNature Communications·TypeExperimental study·DateJun 23, 2022

Solar cell keeps working long after sun sets

Researchers developed a photovoltaic cell that harnesses energy from temperature differences between the cell and surrounding air, generating 50 milliwatts per square meter at night. The device avoids need for batteries and can be incorporated into existing solar cells, making it suitable for remote locations with limited resources.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateApr 5, 2022

Boosting thermopower of oxides via artificially laminated metal/insulator heterostructure

Researchers developed a new method to significantly enhance thermoelectric voltage at low temperatures by creating laminate structures with transition metal oxide and insulating layers. The 'phonon-drag effect' is responsible for the enhancement, where flowing phonons drive electrons to produce extra thermoelectric voltage.

SourceTokyo Institute of Technology·JournalNano Letters·TypeExperimental study·DateDec 2, 2021

Berkeley Lab science snapshots

Researchers at Berkeley Lab have made significant breakthroughs in developing a highly effective COVID-19 antibody therapy and an efficient thermoelectric system that can convert waste heat to electricity. The new antibody, S309, has been shown to neutralize all known SARS-CoV-2 strains and may be more difficult for new mutants to escape.

Woven nanotube fibers turn heat into power

Researchers have developed a new material that can convert heat into energy, with potential applications in textiles and electronics. The woven nanotube fibers show promise as building blocks for fiber and textile electronics, and could also be used to cool sensitive electronics.

SourceRice University·JournalNature Communications·TypeExperimental study·DateAug 16, 2021

New material offers ecofriendly solution to converting waste heat into energy

Researchers have developed a high-performing thermoelectric material that converts heat to electricity with record-high efficiency, making it suitable for widespread industrial applications. The purified tin selenide in polycrystalline form overcomes earlier oxidation problems, enabling the production of low-cost and efficient devices.

SourceNorthwestern University·JournalNature Materials·TypeExperimental study·DateAug 2, 2021

Current trend reversed

Researchers demonstrate controlled reversal of thermoelectric current in a tiny cloud of atoms by tuning interaction strength. This breakthrough advances the fundamental understanding of interacting quantum systems and paves the way for designing efficient thermoelectric materials.

SourceETH Zurich Department of Physics·JournalPhysical Review X·DateMay 13, 2021

https://discovery.kaust.edu.sa/en/article/1098/the-right-ring-count-to-harness-waste-heat

Researchers at KAUST have developed electron-transporting, air-stable organic semiconductors that can generate electricity from waste heat. The polymers' unique design enhances electrical conductivity and thermoelectric performance, paving the way for scalable, sustainable energy solutions.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalJournal of the American Chemical Society·DateMar 17, 2021

Boundaries no barrier for thermoelectricity

Researchers at Rice University found that electricity generated by temperature differences in gold nanowires is not affected by grain boundaries, contrary to previous assumptions. This discovery could enable the detection of crystalline defects using a novel optical detection system.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateSep 8, 2020

Outer tube-selectively boron-doped double-walled carbon nanotubes for thermoelectric applications

Researchers at Shinshu University have developed a method to selectively dope boron into the outer tubes of double-walled carbon nanotubes, increasing electrical conductivity and Seebeck coefficient. This advancement enables highly enhanced thermoelectric performance in boron-doped DWNTs for waste heat harvesting and other applications.

SourceShinshu University·JournalACS Applied Nano Materials·DateMay 2, 2020

Abundant element to power small devices

A team of researchers from the University of Tokyo has developed an iron-based thermoelectric material that can convert waste heat into electricity. The material, which is mostly iron and relatively inexpensive, has shown promise in powering small devices such as remote sensors and wearable devices.

SourceUniversity of Tokyo·JournalNature·DateApr 27, 2020

Untwisting plastics for charging internet-of-things devices

Researchers at Nagoya University have created a new material that can efficiently charge Internet-of-Things (IoT) devices using body heat. The breakthrough involves adding an ion electrolyte gel to a conducting polymer, which untwists the polymer chain and creates links between its crystalline parts, improving electron conductivity.

SourceNagoya University·JournalScience Advances·DateApr 16, 2020

Power dressing

Researchers at KAUST have developed a stretchy and self-healing thermoelectric material that can generate electricity using body heat. The material has been shown to be robust enough to withstand daily stress and strain, making it a promising candidate for powering wearable technologies.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalAdvanced Functional Materials·DateJan 6, 2020