Batteries could shrink even more with smaller crystals in the cathodes. Battery packs in electric vehicles and consumer goods could become smaller, while still offering high performance.
Scientists in China have fabricated a dual-ion battery with a lithium titanate anode and graphite cathode. Their research focuses on some of the difficulties arising from the material’s low specific capacity and their device exhibits leading performance for a lithium titanate battery.
A group of scientists at Sweden’s Uppsala University have developed a proton battery based on abundant organic materials. They say the battery can be charged “in a matter of seconds” while operating at low temperatures, and can be cycled more than 500 times without significant capacity loss.
Researchers at the U.S. Argonne National Laboratory have applied a combination of machine learning and artificial intelligence to help narrow down a list of 166 billion molecules that could be used to form the basis of a battery electrolyte. The technique, say the researchers, offers a way to greatly reduce the cost of narrowing down such an enormous data set, while still providing a precise understanding of each molecule and its likely suitability.
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