Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp408127x
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
Authors: Ragavendran, K.R.
Lu, L. 
Bärner, K.
Arof, A.K.
Issue Date: 14-Nov-2013
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
URI: http://scholarbank.nus.edu.sg/handle/10635/85720
ISSN: 19327447
DOI: 10.1021/jp408127x
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