The storage capacity of rechargeable lithium batteries is limited by their electrodes, especially the cathode. A layered copper vanadate material, which reacts electrochemically with lithium ions in an unexpected and reversible way, greatly expands the range of cathode choices.
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Thomas, J. A spectacularly reactive cathode. Nature Mater 2, 705–706 (2003). https://doi.org/10.1038/nmat1010
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DOI: https://doi.org/10.1038/nmat1010
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