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Lithium-magnesium alkyl-alkoxy intermediates in Br-Mg exchange

Organometallic reagents are essential tools in synthetic chemistry. They work even better and more effectively in combination with alkali alkoxides. The exact nature of this effect has never been well understood. A team based in Switzerland has now p.....»»

Category: topSource:  physorgMar 2nd, 2021

Affordable iron catalysts offer a sustainable route to prized Z-alkenes

Chemists from the National University of Singapore (NUS) have developed an iron-catalyzed method that overcomes a significant challenge in the sustainable synthesis of trisubstituted Z-alkenes by inserting two alkyl chemical groups into a type of com.....»»

Category: topSource:  theglobeandmailRelated NewsSep 27th, 2024

Researchers crack a key problem with sodium-ion batteries for electric vehicles and grid energy storage

Lithium-ion batteries have long dominated the market as the go-to power source for electric vehicles. They are also increasingly being considered for storage of renewable energy to be used on the electric grid. However, with the rapid expansion of th.....»»

Category: topSource:  theglobeandmailRelated NewsSep 27th, 2024

Semimetal-induced covalency achieves high-efficiency electrocatalysis for platinum intermetallic compounds

Compared with other types of batteries, proton exchange membrane fuel cells have the advantages of high discharge power and no pollution, which is also an important carrier for hydrogen energy conversion and utilization. Platinum intermetallic compou.....»»

Category: topSource:  physorgRelated NewsSep 25th, 2024

Manganese cathodes could boost lithium-ion batteries

Rechargeable lithium-ion batteries are growing in adoption, used in devices like smartphones and laptops, electric vehicles, and energy storage systems. But supplies of nickel and cobalt commonly used in the cathodes of these batteries are limited......»»

Category: topSource:  physorgRelated NewsSep 25th, 2024

Cloudflare helps secure popular messaging applications

Cloudflare announced a new service to verify the integrity of public keys in the end-to-end encryption of popular messaging applications. When using end-to-end encryption messaging applications, a public-private key exchange encrypts messages to prot.....»»

Category: securitySource:  netsecurityRelated NewsSep 24th, 2024

Grid-scale batteries: They’re not just lithium

When size and weight don't matter, lots of other battery chemistries can work. Enlarge (credit: Petal) As power utilities and industrial companies seek to use more renewable energy, the market for grid-scale batteries is.....»»

Category: topSource:  arstechnicaRelated NewsSep 21st, 2024

Safe-Hub: A new single nexus point for data, information and toolkits on pollinator conservation

In an effort to increase awareness and knowledge of wild pollinators and their societal values, the Safeguard project has launched the open-source platform Safeguard Knowledge Exchange Hub: Safe-Hub. The hub aims to facilitate pollinator data and kno.....»»

Category: topSource:  physorgRelated NewsSep 19th, 2024

8 dead, 2,700 injured after simultaneous pager explosions in Lebanon

Lithium-ion batteries or supply chain attack may be to blame. Enlarge / An ambulance arrives at the site after wireless communication devices known as pagers exploded in Sidon, Lebanon, on September 17, 2024. (credit: Ahmad Kaddo.....»»

Category: topSource:  pcmagRelated NewsSep 17th, 2024

Have an Apple Watch 9? Save up to $300 when you trade it for the Series 10

You can get the newly announced Apple Watch Series 10 with a $300 discount in exchange for your Apple Watch Series 9 through Best Buy's enhanced trade-in offer......»»

Category: topSource:  digitaltrendsRelated NewsSep 12th, 2024

Examining rare earth metal volatility on the London Stock Exchange

Research in the International Journal of Global Energy Issues has looked at the volatility of rare earth metals traded on the London Stock Exchange. The work used an advanced statistical model known as gjrGARCH(1,1) to follow and predict market turbu.....»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

GM delays lithium investment amid falling prices and election uncertainty

The changing timeline for GM's investment in Lithium Americas indicates the ground has shifted underneath raw materials companies......»»

Category: topSource:  autonewsRelated NewsSep 5th, 2024

Chemists create industrially important alkyl amines from dinitrogen and alkenes

A critical chemical bond can be assembled using dinitrogen (N2)—a molecule freely available in the air around us—chemists at RIKEN have shown in a new article published in Nature......»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Scientists demonstrate octave-spanning soliton frequency combs on thin-film lithium niobate

The invention of optical frequency combs revolutionized frequency metrology and time-keeping. Miniaturization of such combs onto photonic chips, primarily leveraging the microresonator Kerr soliton frequency comb, expands on these functionalities by.....»»

Category: topSource:  physorgRelated NewsSep 4th, 2024

North Korean hackers’ social engineering tricks

“North Korean malicious cyber actors conducted research on a variety of targets connected to cryptocurrency exchange-traded funds (ETFs) over the last several months,” the FBI has warned through a public service announcement. This suggest.....»»

Category: securitySource:  netsecurityRelated NewsSep 4th, 2024

Chemists create gel to prevent leaks and boost lithium-ion battery life

A new type of gel, developed by chemists at the Martin Luther University Halle-Wittenberg (MLU), could help to make lithium-ion batteries safer and more powerful. The gel is designed to prevent the highly flammable electrolyte fluid from leaking......»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Piedmont Lithium turns to international ventures as U.S. mining plans hit snags

Permit delays and rising costs have driven U.S.-based lithium mining companies to invest in international sites......»»

Category: topSource:  autonewsRelated NewsSep 2nd, 2024

More frequent financial reporting benefits investors

When it comes to financial reporting, how much information is too much? Public companies in the U.S. file reports every three months to comply with the rules of the Securities and Exchange Commission......»»

Category: topSource:  physorgRelated NewsAug 30th, 2024

U.S. delays final ruling to hike tariffs on EVs made in China

Higher duties of 100 percent on EVs, 50 percent on semiconductors and solar cells, and 25 percent on lithium ion batteries and key minerals, steel and aluminum, ship-to-shore cranes and syringes were set to take effect on Aug. 1......»»

Category: topSource:  autonewsRelated NewsAug 30th, 2024

GM delays additional $330M investment in Thacker Pass, Lithium Americas says

Lithium Americas said General Motors has delayed the second tranche of investment, worth $330 million, in the miner until the end of the year.  .....»»

Category: topSource:  autonewsRelated NewsAug 30th, 2024

Discovery explains the chemistry behind the cell"s energy molecule

An international research team led by Professor Magnus Wolf-Watz at Umeå University has discovered how the magnesium atom directs the chemistry that catalyzes the production of the energy molecule ATP in a cell. The study is published in the journal.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024