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|Title:||Synthesis methods and electrochemical performance: A theory on the valence disproportionation in LiMyMn2-yO4 (M = Mn, Co) with interalia guiding principles for a photo-chargeable lithium battery|
|Citation:||Ragavendran, K.R., Lu, L., Bärner, K., Arof, A.K. (2013-11-14). Synthesis methods and electrochemical performance: A theory on the valence disproportionation in LiMyMn2-yO4 (M = Mn, Co) with interalia guiding principles for a photo-chargeable lithium battery. Journal of Physical Chemistry C 117 (45) : 23547-23557. ScholarBank@NUS Repository. https://doi.org/10.1021/jp408127x|
|Abstract:||A physical model, based on valence disproportionation and the electronic instability imposed by the Jahn-Teller condition, is used as a general approach to explain the differences in the electrochemical activities of LiMn 2O4 based cathode materials synthesized through different methods. Furthermore, the models also provide interalia insights for a photo-chargeable lithium battery and a physical ansatz to address a fundamental inefficiency problem: the deviation of the experimentally observed electrochemical capacity for LiMn2O4 (∼126 mAhg -1) from the theoretical value (147 mAhg-1). © 2013 American Chemical Society.|
|Source Title:||Journal of Physical Chemistry C|
|Appears in Collections:||Staff Publications|
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