Atomic charges in chemical solutions are like Switzerland—they strive for neutrality. The tendency to balance charges drives dynamics when charged atoms or molecules, called ions, are present in solutions. Recently, researchers at the Department of Energy’s Oak Ridge National Laboratory have found new ways to influence selectivity for specific positively charged ions (cations) with the addition of simple receptors, not for cations but rather for negatively charged ions (anions).
A team of engineers has developed and tested a type of steel with a record-breaking ability to withstand an impact without deforming permanently. The new steel alloy could be used in a wide range of applications, from drill bits, to body armor for soldiers, to meteor-resistant casings for satellites.
New study highlights the role of electron diffusivity when turning waste heat into electricity
A novel 3D-printing process called selective separation sintering (SSS), has been developed by an engineer from the University of Southern California (USC). The process has won the first prize in the NASA In-Situ Materials Challenge, due to its breakthrough application in the construction of physical structures in space.
A new material, consisting of a unique chemical structure, has been created by a group of researchers from the University of Southern California, the University of California, San Diego, and Caltech. The material has a unique combination of properties: high hardness and elasticity.
New research has identified how liquid-like materials can change into a solid-like state without the addition of extra particles or changes in volume.
A new explanation of how gypsum forms may change the way we process this important building material, as well as allow us to interpret past water availability on other planets such as Mars. The work is reported in Nature Communications.
The silver electrical contacts that carry electricity out of about 90 percent of the solar modules on the market are also one of their most expensive parts. Now scientists from two Department of Energy national laboratories have used X-rays to observe exactly how those contacts form during manufacturing.
Scientists at the U.S. Department of Energy's Argonne National Laboratory have demonstrated that the design and placement of a tiny measurement device called a reference electrode enhances the quantity and quality of information that can be extracted from lithium-ion battery cells during cycling.
Ionic transport has been studied extensively over the years for energy devices such as fuel cells and batteries using Li+, H+, Ag+, Cu+, F-, and O2-. Yet as Genki Kobayashi and Ryoji Kanno point out in a recent report, hydride ions (H-) may be particularly useful for high-energy-density storage and conversion devices. Using an oxyhydride solid state cell they have now demonstrated pure H- conduction in an oxide for the first time.
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