Study finds manganese's structural arrangement key to its performance in lithium-ion batteries.
Japanese researchers at Yokohama National University have demonstrated a promising alternative to nickel and cobalt-based batteries for electric vehicles .
Lithium-ion batteries are the preferred rechargeable battery option for most electronics. However, their lower energy density puts them on the back foot regarding EVs. Research and development efforts to improve them have led to the introduction of better Li-ion options. “From this finding, nanostructured LiMnO2 with the monoclinic layered domain structures and high surface area has been directly synthesized using a simple solid-state reaction,” Yabuuchi said in aPost-synthesis testing revealed that a battery with a LiMnO2 electrode reached an energy density of 820 watt-hours per kilogram compared to a 750 Wh per kg obtained with a nickel-based battery. Only lithium-based batteries have an even lower energy density of 500 Wh per kg.
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