Metals

CBCIE Weekly Frontier Selection (12.5-12.11)

CBCIE Time:Dec 12, 2022 15:27 Source:sciencedaily

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Headline: A new, unique covalent organic framework for use in drug delivery and clean energy

■ Release Date: 2022.12.5

■ Published by: Tokyo University of Science

■ Keywords: clean energy, advanced materials, topology

■ Abstract:

The energy and health challenges of the human population require the development of advanced materials. In this regard, 3D COFs with their net-like structures and unprecedented porosity show promise. But their synthesis from pre-designed building units is extremely challenging. To this end, researchers have now developed TUS-84, the first 3D COF with a unique scu-c network structure, with enormous potential in drug delivery and clean energy.

Headline: New manufacturing process produces better, cheaper cathodes for lithium-ion batteries

■ Release Date: 2022.12.5

■ Published by: DOE/Oak Ridge National Laboratory

■ Keywords: lithium-ion, battery, cathode

■ Abstract:

Researchers have developed a new method for producing a key component of lithium-ion batteries. The result is a more affordable battery from a faster, less wasteful process that uses less toxic material.

Headline: X-rays reveal elusive chemistry for better EV batteries

■ Release Date: 2022.12.5

■ Published by: DOE/Brookhaven National Laboratory

■ Keywords: lithium, battery, anode

■ Abstract:

Scientists used high energy x-rays to investigate the solid-electrolyte interphase, a chemical layer in batteries that's key to stabilizing lithium metal anodes. Chemists unraveled this complex chemical mechanisms that is crucial for boosting energy density.

Headline: Built to last: The perovskite solar cells tough enough to match mighty silicon

■ Release Date: 2022.12.7

■ Published by: ARC Centre of Excellence in Exciton Science

■ Keywords: perovskite, solar cell, silicon

■ Abstract:

Researchers have demonstrated a new way to create stable perovskite solar cells, with fewer defects and the potential to finally rival silicon's durability.

Headline: New battery technology has potential to significantly reduce energy storage costs

■ Release Date: 2022.12.7

■ Published by: University of Sydney

■ Keywords: lithium, lithium-ion, battery

■ Abstract:

Researchers are hoping that a new, low-cost battery which holds four times the energy capacity of lithium-ion batteries and is far cheaper to produce will significantly reduce the cost of transitioning to a decarbonized economy.

Headline: Flameproofing lithium-ion batteries with salt

■ Release Date: 2022.12.7

■ Published by: DOE/SLAC National Accelerator Laboratory

■ Keywords: polymer, lithium-ion, electrolyte

■ Abstract:

A polymer-based electrolyte makes for batteries that keep working -- and don't catch fire -- when heated to over 140 degrees F.

Headline: Say hello to the toughest material on Earth

■ Release Date: 2022.12.8

■ Published by: DOE/Lawrence Berkeley National Laboratory

■ Keywords: chromium, cobalt, nickel

■ Abstract:

Scientists have measured the highest toughness ever recorded, of any material, while investigating a metallic alloy made of chromium, cobalt, and nickel. Not only is the metal exceptionally strong and ductile, its properties become enhanced as it gets colder. This runs counter to most other materials in existence.

Headline: An important step toward strong and durable biobased plastics

■ Release Date: 2022.12.8

■ Published by: Universiteit van Amsterdam

■ Keywords: polyester, biobased plastics, polymer

■ Abstract:

Researchers take an important step towards the production of fully biobased, rigid polyesters. They present a simple, yet innovative, synthesis strategy to overcome the inherently low reactivity of biobased secondary diols and arrive at polyesters that have very good mechanical- and thermal properties, and at the same time high molecular weights. It enables the production of very strong and durable biobased plastics from building blocks that are already commercially available.

Headline: Economical eco-friendly fabrication of high efficiency chalcopyrite solar cells

■ Release Date: 2022.12.8

■ Published by: Incheon National University

■ Keywords: solar cell, carbon neutrality, diselenide

■ Abstract:

Clean, sustainable energy solutions are essential to meet the ever-increasing energy demands of the human population. High efficiency solar cells are promising candidates to reduce carbon emissions and achieve carbon neutrality. In this regard, solution-processed copper indium gallium sulfur diselenide solar cells (CIGSSe) solar cells have generated significant interest owing to their excellent photovoltaic properties, such as high absorption of visible light, stability, and tunable bandgap. However, large scale, practical applications are limited by a two-fold challenge.

Headline: Solving the puzzle: Cubic silicon carbide wafer demonstrates high thermal conductivity, second only to diamond

■ Release Date: 2022.12.8

■ Published by: University of Illinois Grainger College of Engineering

■ Keywords: silicon carbide, thermal conductivity, wafer

■ Abstract:

Researchers have solved a long-standing puzzle about lower measured thermal conductivity values of cubic silicon carbide (3C-SiC) bulk crystals in the literature than the structurally more complex hexagonal phase SiC polytype (6H-SiC). The new measured thermal conductivity of bulk 3C-SiC has the second highest thermal conductivity among inch-scale large crystals, second only to diamond.

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