Lithium intercalation with phase transitions in model systems of electrode materials for lithium power sources |
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| Authors: | V P Tysyachnyi R D Apostolova E M Shembel’ |
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| Institution: | (1) National Metallurgical Academy, Dnepropetrovsk, Ukraine;(2) Ukrainian State University of Chemical Technology, Dnepropetrovsk, Ukraine;(3) Enerize Corporation, Coral Springs, Florida, USA |
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| Abstract: | A comparison was made for Li+ chemical diffusion coefficients (D Li) in graphite as calculated by mathematical models of Li+ intercalation under constant potential into semirestricted and restricted kinetic systems with mobile phase boundary and into a single-phase system. Close D Li values were calculated by means of double-phase models. The double-phase model produces 6–7-fold D Li coefficient as compared to the values of the single-phase model. |
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| Keywords: | simulation intercalation phase transition lithium power source |
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