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    Researchers Develop a Cobalt-free Cathode for Lithium-ion Batteries

    September 22, 2022, Categories  Chemistry/Nanotechnology

    researchers develop a cobalt-free cathode for lithium-ion batteries
    Working with researchers at four U.S. national laboratories, Huolin Xin, UCI professor of physics & astronomy, has found a way to fabricate lithium-ion batteries without using cobalt, a rare, costly mineral extracted under inhumane conditions in Central Africa. Credit: Steve Zylius / UCI

    Researchers at the University of California, Irvine and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral plagued by price volatility and geopolitical complications.

    In a paper published today in Nature, the scientists describe how they overcame thermal and chemical-mechanical instabilities of cathodes composed substantially of nickel—a common substitute for cobalt—by mixing in several other metallic elements.

    “Through a techniq...

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