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Scientists discover new approach to stabilize cathode materials

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

UPTON, NY--A team of researchers led by chemists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has studied an elusive property in cathode materials, called a valence gradient, to understand its effect on battery performance. The findings, published in Nature Communications, demonstrated that the valence gradient can serve as a new approach for stabilizing the structure of high-nickel-content cathodes against degradation and safety issues.

Journal: Nature Communications
Funder: Vehicle Technologies Office and DOE Office of Science, DOE Office of Energy Efficiency and Renewable Energy

Mapping the electronic states in an exotic superconductor

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

Scientists mapped the electronic states in an exotic superconductor. The maps point to the composition range necessary for topological superconductivity, a state that could enable more robust quantum computing.

Journal: Nature Materials
Funder: DOE/US Department of Energy

Mapping performance variations to see how lithium-metal batteries fail

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

Scientists have identified the primary cause of failure in a state-of-the-art lithium-metal battery, of interest for long-range electric vehicles: electrolyte depletion.

Journal: Chemistry of Materials
Funder: through the Advanced Battery Materials Research Program (Battery500 Consortium), DOE Office of Science and Assistant Secretary for Energy Efficiency and Renewable Energy, DOE Vehicle Technologies Office

Suppression of COVID-19 waves reflects time-dependent social activity, not herd immunity

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

Scientists developed a new mathematical model for predicting how COVID-19 spreads, accounting for individuals' varying biological susceptibility to infection and levels of social activity, which naturally change over time.

Journal: Proceedings of the National Academy of Sciences

The science behind the shot

DOE/Brookhaven National Laboratory

Two vaccines approved for battling COVID-19 in the United States use a relatively new approach--injections of simple packets containing mRNA, a genetic material that instructs our cells to make coronavirus spike proteins. But the technology for generating sufficient amounts of those mRNA packets dates back to the 1980s, when F. William Studier of Brookhaven Lab developed a way to harness the molecular machinery of a very different virus.

Game on: Science edition

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

Inspired by the mastery of artificial intelligence (AI) over games like Go and Super Mario, scientists at the National Synchrotron Light Source II (NSLS-II) trained an AI agent - an autonomous computational program that observes and acts - how to conduct research experiments at superhuman levels by using the same approach. The Brookhaven team published their findings in the journal Machine Learning: Science and Technology and implemented the AI agent as part of the research capabilities at NSLS-II.

Funder: Brookhaven National Laboratory's Laboratory Directed Research and Development (LDRD) fund, the U.S. Department of Energy's (DOE) Office of Science (BES)

Explosive origins of 'secondary' ice--and snow

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

Scientists publish new direct evidence that shattering drizzle droplets drive explosive "ice multiplication" events. The findings have implications for weather forecasts, climate modeling, water supplies--and even energy and transportation infrastructure.

Journal: Proceedings of the National Academy of Sciences

Lena Funcke receives Leona Woods Lectureship Award

DOE/Brookhaven National Laboratory
Grant and Award Announcement

Lena Funcke, a theoretical physicist who conducts research at the intersection of fundamental particles, the cosmos, and quantum computing, has been named a recipient of the Leona Woods Distinguished Postdoctoral Lectureship Award by the Physics Department at the U.S. Department of Energy's Brookhaven National Laboratory.

Magnetism meets topology on a superconductor's surface

DOE/Brookhaven National Laboratory
Peer-Reviewed Publication

Scientists studying a compound belonging to the family of iron-based high-temperature superconductors have found that an energy band gap--an energy range where no electrons are allowed--opens at a point where two allowed energy bands intersect on the material's surface. This unusual electronic energy structure could be leveraged for quantum information science and electronics.

Journal: Proceedings of the National Academy of Sciences
Funder: DOE/US Department of Energy, Air Force Office of Scientific Research

Scientists describe detector goals for electron-ion collider (EIC)

DOE/Brookhaven National Laboratory

What do you need to study the fine details of the building blocks of matter? A new kind of particle accelerator called an Electron-Ion Collider and a state-of-the-art detector to capture the action when electrons and ions collide. An international team of more than 400 scientists representing 151 research institutions prepared a detailed report of the detector components they believe are needed to meet the scientific goals of the EIC.

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