Metals

CBCIE Weekly Frontier Selection (9.5-9.11)

CBCIE Time:Sep 13, 2022 17:20 Source:sciencedaily

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Headline: Solar energy breakthrough: Perovskite cell with greater stability, efficiency

■ Release Date: 2022.9.6

■ Published by: DOE/National Renewable Energy Laboratory

■ Keywords: perovskite, solar, battery

■ Abstract:

Researchers have made a technological breakthrough and constructed a perovskite solar cell with the dual benefits of being both highly efficient and highly stable.

Headline: Researchers demonstrate new, more energy-efficient devices using gallium nitride

■ Release Date: 2022.9.6

■ Published by: North Carolina State University

■ Keywords: gallium nitride, electronic devices

■ Abstract:

Engineering researchers have created new high-power electronic devices that are more energy efficient than previous technologies. The devices are made possible by a unique technique for 'doping' gallium nitride (GaN) in a controlled way.

Headline: High-accuracy electric vehicle battery monitoring with diamond quantum sensors for driving range extension

■ Release Date: 2022.9.6

■ Published by: Tokyo Institute of Technology

■ Keywords: gallium nitride, electronic devices

■ Abstract:

The issue of battery usage inefficiency in electric vehicles resulting from an inaccurate battery charge measurement may finally get resolved, thanks to a diamond quantum sensor prototype. The sensor can measure currents in a wide range as well as detect milliampere-level currents in a noisy environment, improving the detection accuracy from 10% to within 1%.

Headline: Martian rock-metal composite shows potential of 3D printing on Mars

■ Release Date: 2022.9.6

■ Published by: Washington State University

■ Keywords: titanium alloy, Martian rock, 3D printing

■ Abstract:

A small amount of simulated crushed Martian rock mixed with a titanium alloy made a stronger, high-performance material in a 3D-printing process that could one day be used on Mars to make tools or rocket parts. The parts were made by researchers with as little as 5% up to 100% Martian regolith, a black powdery substance meant to mimic the rocky, inorganic material found on the surface of the red planet. While the parts with 5% Martian regolith were strong, the 100% regolith parts proved brittle and cracked easily. Still, even high-Martian content materials would be useful in making coatings to protect equipment from rust or radiation damage.

Headline: Researchers devise tunable conducting edge

■ Release Date: 2022.9.6

■ Published by: University of California - Riverside

■ Keywords: tungsten ditelluride, nanodevices, tellurium

■ Abstract:

Physicists have demonstrated a new magnetized state in a monolayer of tungsten ditelluride. This material of one-atom thickness has an insulating interior but a conducting edge, which has important implications for controlling electron flow in nanodevices.

Headline: Converting 3D-printed polymer into a 100-times stronger, ductile hybrid carbon microlattice material

■ Release Date: 2022.9.7

■ Published by: City University of Hong Kong

■ Keywords: carbon microlattice, lightweight material, carbon

■ Abstract:

Developing a lightweight material that is both strong and highly ductile has been regarded as a long-desired goal in the field of structural materials, but these properties are generally mutually exclusive. Researchers recently discovered a low-cost, direct method to turn commonly used 3D printable polymers into lightweight, ultra-tough, biocompatible hybrid carbon microlattices, which can be in any shape or size, and are 100 times stronger than the original polymers. The research team believes that this innovative approach can be used to create sophisticated 3D parts with tailored mechanical properties for a wide range of applications, including coronary stents and bio-implants.

Headline: Researchers invent a new hybrid electrolyte for high performance Li-ion batteries

■ Release Date: 2022.9.7

■ Published by: Tohoku University

■ Keywords: Li-ion battery, electrolyte, lithium

■ Abstract:

Crucial to our everyday use the Li-ion battery can be found everywhere. Research has now resulted in a hybrid electrolyte that is both more stable while also retaining excellent conductivity. This will pave the way to a safer polymeric solid electrolyte for Li-ion batteries with a myriad of applications.

Headline: Chemists reveal first pathway for selenium insertion into natural products

■ Release Date: 2022.9.9

■ Published by: Princeton University

■ Keywords: selenium-carbon, selenium, selenobiology

■ Abstract:

Researchers reveal a novel and widespread pathway for selenium insertion that involves two unusual selenium-carbon forming enzymes. The authors named them selenosugar synthase (SenB) and selenoneine synthase (SenA). Their work expands the known boundaries of selenium metabolism, previously thought to be confined to selenoprotein and selenonucleic acid biopolymers, which consist of primary metabolites.

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