Materiales

Materiales

Pyrite may contain valuable lithium, a key element for green energy
15/04/2024 - There's a reason airlines won't let you put your laptop in your checked luggage; the lithium-ion battery poses a serious fire hazard. But why? Lithium is incredibly reactive. For instance, pure...
SILVER NANO WIRE AND NOBLE-METAL COATED SILVER NANO WIRE CONDUCTIVE POLYMER COMPOSITES WITH LOW LOADING PERCOLATION CONDUCTION
14/04/2024 - Composite materials with noble metal coated silver nanowires loaded into polymer are described. The composite materials may have resistivities of no more than about 100 Ohm-cm, or from about 100...
Making cement is very damaging for the climate. One solution is opening in California
14/04/2024 - It's a major contributor to climate change—the way buildings and roads are made with concrete. It's also a problem that's growing as more of the world develops. So the race has been on to find...
Researchers study effects of solvation and ion valency on metallopolymers
14/04/2024 - In a new paper published in JACS Au, researchers at the University of Illinois Urbana-Champaign analyzed the effects of solvation and ion valency on metallopolymers, with implications for critical...
A novel machine learning model for the characterization of material surfaces
14/04/2024 - Machine learning (ML) enables the accurate and efficient computation of fundamental electronic properties of binary and ternary oxide surfaces, as shown by scientists from Tokyo Tech. Their ML-based...
Polysaccharide-based membranes with high wet mechanical properties for bone repair
11/04/2024 - Currently, membrane materials play an important role in tissue repair, especially polysaccharide-based membranes, attracting much attention due to their excellent biological properties. However, poor...
Researchers show electrical pulses can control thermal resistance in devices
11/04/2024 - Controlling heat flow is key to enhancing performance in a wide variety of systems. In electronic devices, such as mobile phones or any type of processor, overheating decreases their performance and...
New quantum material promises up to 190% quantum efficiency in solar cells
11/04/2024 - Researchers from Lehigh University have developed a material that demonstrates the potential for drastically increasing the efficiency of solar panels.
MULTILAYER GRAPHENE NANOCOMPOSITE PRODUCED BY LASER IRRADIATION/CONDUCTIVE POLYMER/METAL NANOSTRUCTURES AND ITS APPLICATION AS ELECTRODE FOR THE ENZYMATIC AND NON-ENZYMATIC DETECTION OF GLUCOSE.
10/04/2024 - The present invention relates to manufacturing a multilayer graphene electrode produced from the carbonization of a polymeric matrix by irradiating an infrared laser, later modified on the surface...
New spectrometer helps identify alternative catalyst materials for affordable hydrogen fuel cells
10/04/2024 - Fuel cells are quickly becoming a viable, clean energy alternative to commonly used fossil fuels, such as gasoline, coal, and oil. Fossil fuels are non-renewable energy resources that release carbon...
New molecular device unlocks potential for targeted drug delivery and self-healing materials
10/04/2024 - In a new breakthrough that could revolutionize medical and material engineering, scientists have developed a first-of-its-kind molecular device that controls the release of multiple small molecules...
A microbial plastic factory for high-quality green plastic
10/04/2024 - Engineered bacteria can produce a plastic modifier that makes renewably sourced plastic more processable, more fracture-resistant and highly biodegradable even in seawater. The Kobe University...
Malaysia orders Meta, TikTok to forge plans on harmful content
10/04/2024 - Malaysia has ordered tech giants Meta and TikTok to present plans to combat harmful content online, authorities said Tuesday, after the Muslim-majority country reported an uptick in offensive...
Better battery manufacturing: Robotic lab vets new reaction design strategy
09/04/2024 - New chemistries for batteries, semiconductors and more could be easier to manufacture, thanks to a new approach to making chemically complex materials that researchers at the University of Michigan...
Replacing plastics with alternatives is worse for greenhouse gas emissions in most cases, study finds
09/04/2024 - Substituting plastics with alternative materials is likely to result in increased GHG emissions, according to research from the University of Sheffield.
On-surface synthesis of carbyne: An sp-hybridized linear carbon allotrope
09/04/2024 - In a study led by Prof. Wei Xu (Interdisciplinary Materials Research Center, School of Materials Science and Engineering, Tongji University) and published in the journal National Science Review, a...
Keeping power in the cycle: Tests confirm quality of purified graphite from used lithium-ion batteries
08/04/2024 - Lithium-ion batteries have become an integral part of everyday life. The number of used batteries is correspondingly high. They contain considerable amounts of important raw materials such as...
This 3D printer can figure out how to print with an unknown material
08/04/2024 - While 3D printing has exploded in popularity, many of the plastic materials these printers use to create objects cannot be easily recycled. While new sustainable materials are emerging for use in 3D...
AI chatbots sucked up troves of data. Now copyright holders want a cut
07/04/2024 - HOW do ChatGPT and other chatbots generate written works, images and music to rival the output of a talented human? By ingesting content that people already created and identifying patterns in the...
Chipless fiber for wireless visual-to-digital transmission senses interactions with the human body
07/04/2024 - A team of materials scientists and engineers from Donghua University, in China, and the National University of Singapore, has developed a type of fiber that does not rely on chips or batteries to...