Researchers at the University of California San Diego have developed a new cathode material for solid-state lithium-sulfur batteries that significantly improves their electrical conductivity and self-healing properties. This material addresses key challenges associated with sulfur cathodes, such as poor electron conductivity and structural damage during use. The innovation holds promise for doubling the energy density of batteries in electric vehicles without increasing weight and extends the battery life, making solid-state lithium-sulfur batteries a more viable and environmentally friendly option. Credit: David Baillot/UC San Diego Jacobs School of Engineering The cathode material heals by melting from a brown powder to a deep purple-red liquid. Credit: David Baillot/UC San Diego Jacobs School of Engineering
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