In a new study published September 5 by Nature Communications, the team used K-Na/S batteries that combine inexpensive, readily-found elements -- potassium (K) and sodium (Na), together with sulfur (S) -- to create a low-cost, high-energy solution for long-duration energy storage. . Columbia Engineers develop new powerful battery "fuel" -- an electrolyte that not only lasts longer but is also cheaper to produce. Optical microscope imaging of catholyte at room temperature, showing that no solid is formed at the end of discharge (right figure). The coiled carbon fibers, which. . Argonne advances battery breakthroughs at every stage in the energy storage lifecycle, from discovering substitutes for critical materials to pioneering new real-world applications to making end-of-life recycling more cost effective. Electrochemical energy storage systems face evolving requirements. Electric vehicle applications require batteries with high energy density and fast-charging capabilities. (Representational image) Witthaya/xia yuan A. .
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