Chunjoong Kim, Nick S. Norberg, Caleb T. Alexander, Robert Kostecki and Jordi Cabana Mechanism of Phase Propagation During Lithiation in Carbon-Free Li4Ti5O12 Battery Electrodes Advanced Functional Materials 23
Li-ion battery electrodes based on Li4Ti5O12, an electronic insulator, can be successfully cycled without any conducting additives, even at high rates. The mechanisms of phase propagation and origin of such good performance are investigated. The importance of interparticle contact and the transport properties of the intermediate states during cycling are highlighted.
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