Abstract:The capacity of most battery insertion reactions is limited by the number of open lithium sites in electrode ’s crystal structure, usually reaching one per metal atom. Conversion reactions, where the metal oxygen bond is broken to form clusters of Li2O and metal particles, can achieve far higher lithium stoichiometry. However, this process is much less reversible than intercalation and occurs at significantly lower potentials than theoretically expected, which has limited their commercial appeal. To pinpoint th… Show more
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