A successful catalyst design for advanced zinc-iodine batteries

07-Jan-2025 - Aqueous zinc-iodine batteries(ZIBs)have attracted extensive attention due to their high safety, abundant reserves, and environmental friendliness. Iodine with high abundance in seawater (55 μg L−1)is highly promising to fabricate zinc-iodine batteries due tohigh theoretical capacity (211 mAh ...

Healable cathode could unlock potential of solid-state lithium-sulfur batteries

These batteries could double the range of electric vehicles without increasing the battery pack’s weight

11-Mar-2024 - Researchers have moved one step closer to making solid-state batteries from lithium and sulfur a practical reality. A team led by engineers at the University of California San Diego developed a new cathode material for solid-state lithium-sulfur batteries that is electrically conductive and ...

Halogens emitted from oceans amplify global warming of methane in the atmosphere

Iodine, bromine and chlorine transferred from the ocean have increased the lifetime and greenhouse effect of this gas by 6% to 9% over the century.

23-May-2022 - An international team, led by researchers from the Spanish National Research Council (CSIC), has performed climate-related chemistry simulations to assess the impact of oceanic emissions of halogenated compounds (iodine, bromine and chlorine) on methane in the atmosphere, the second most ...

Impossible material made possible inside a graphene sandwich

Towards new 2D materials

21-Jan-2022 - Atoms bind together by sharing electrons. The way this happens depends on the atom types but also on conditions such as temperature and pressure. In two-dimensional (2D) materials, such as graphene, atoms join along a plane to form structures just one atom thick, which leads to fascinating ...

Efficient catalyst for water splitting

New hybrid semiconductor material for sustainable hydrogen production

20-May-2019 - Chemists at the Technical University of Munich (TUM) have developed an efficient water splitting catalyst as part of a collaborative international research effort. The catalyst comprises a double-helix semiconductor structure encased in carbon nitride. It is perfect for producing hydrogen ...

Perovskites - materials of the future in optical communication

Inorganic metal halide perovskite-based photodetectors for optical communication applications

19-Oct-2018 - Researchers at the universities in Linköping and Shenzhen have shown how an inorganic perovskite can be made into a cheap and efficient photodetector that transfers both text and music. "It's a promising material for future rapid optical communication", says Feng Gao, researcher at Linköping ...

A new way to create molecules for drug development

Innovative process gives more control over free radicals

15-Oct-2018 - Chemists at The Ohio State University have developed a new and improved way to generate molecules that can enable the design of new types of synthetic drugs. Researchers say this new method of forming reactive intermediates called ketyl radicals offers scientists a way to use catalysts to convert ...

Breaking the bond: To take part or not?

10-Jul-2018 - Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical ...

Shine bright like a nanoaggregate

Highly luminescent inks made from copper–iodine hybrid clusters with aggregation-induced emission

29-May-2018 - Chinese scientists have turned copper–iodine cluster molecules into aggregated, highly luminescent nanostructures for use in light-emitting diodes (LEDs). The solid-state assemblies made of complexes of the copper–iodine cluster with phosphor–organic compounds as ligands are easily prepared, ...

Lighting the way for more efficient LEDs

02-Feb-2018 - Researchers at the U.S. Naval Research Laboratory (NRL) Center for Computational Materials Science, working with an international team of physicists, have revealed that nanocrystals made of cesium lead halide perovskites (CsPbX3), is the first discovered material which the ground exciton state is ...