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E-Mail IMAGE: Researchers at The University of Tokyo discover a new law about how the complex network of phase-separated structures grows with time, which may lead to more efficient batteries and industrial. view more Credit: Institute of Industrial Science, the University of Tokyo Tokyo, Japan - Researchers from Institute of Industrial Science at The University of Tokyo investigated the mechanism of phase separation into the two phases with very different particle mobilities using computer simulations. They found that slow dynamics of complex connected networks control the rate of demixing, which can assist in the design of new functional porous materials, like lithium-ion batteries. ....
A team of Russian scientists from NUST MISIS, Tomsk Polytechnic University (TPU) and Boreskov Institute of Catalysis has suggested a new approach to modifying the combustion behavior of coal. The addition of copper salts reduces the content of unburnt carbon in ash residue by 3.1 times and CO content in the gaseous combustion products by 40%, the scientists found. The research was published in ....
E-Mail IMAGE: A rearrangement event in a monodisperse foam. Note how bubbles move in the same direction along the same row, or in exactly the opposite direction in adjacent rows over long. view more Credit: Tokyo Metropolitan University Tokyo, Japan - Researchers from Tokyo Metropolitan University studied the dynamics of foams. When a drop of water was added to a foam raft, the bubbles rearranged themselves to reach a new stable state. The team found that bubble movement was qualitatively different depending on the range of bubble sizes present. Along with analogies with soft-jammed materials, these findings may inspire the design of new foam materials for industry. ....
E-Mail Chemical engineers at UNSW Sydney have found a way to make green ammonia from air, water and renewable electricity that does not require the high temperatures, high pressure and huge infrastructure currently needed to produce this essential compound. And the new production method - demonstrated in a laboratory-based proof of concept - also has the potential to play a role in the global transition towards a hydrogen economy, where ammonia is increasingly seen as a solution to the problem of storing and transporting hydrogen energy. In a paper published today in Energy and Environmental Science, the authors from UNSW and University of Sydney say that ammonia synthesis was one of the critical achievements of the 20th century. When used in fertilisers that quadrupled the output of food crops, it enabled agriculture to sustain an ever-expanding global population. ....
E-Mail Skoltech researchers and their collaborators from France, the US, Switzerland, and Australia were able to create and describe a mixed oxide Na(Li1/3Mn2/3)O2 that holds promise as a cathode material for sodium-ion batteries, which can take one day complement or even replace lithium-ion batteries. The paper was published in the journal Nature Materials. Lithium-ion batteries are powering the modern world of consumer devices and driving a revolution in electric transportation. But since lithium is rather rare and challenging to extract from an environmental standpoint, researchers and engineers have been looking for more sustainable and cost-effective alternatives for quite some time now. ....