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Title: The effect of synthesis parameters on the lithium storage performance of LiMnPO4/C
Authors: Ramar, V.
Saravanan, K. 
Gajjela, S.R.
Hariharan, S.
Balaya, P. 
Keywords: Carbon coating
Lithium manganese phosphate
Lithium-ion batteries
Storage performance
Issue Date: 2013
Citation: Ramar, V., Saravanan, K., Gajjela, S.R., Hariharan, S., Balaya, P. (2013). The effect of synthesis parameters on the lithium storage performance of LiMnPO4/C. Electrochimica Acta 105 : 496-505. ScholarBank@NUS Repository.
Abstract: An architecture featuring carbon coated, interconnected nano-grains constructed with mesopores is developed for LiMnPO4 cathode material. This architecture facilitates enhanced lithium ionic and electronic transports; favours improved lithium storage performance. Mesoporous LiMnPO4/C electrode delivers discharge capacity of 140 mAh g-1 at 0.05 C using galvanostatic cycling mode. This best electrochemical response of LiMnPO 4/C at constant current mode is complemented by diffusion studies using cyclic voltammetry and impedance spectroscopy. Further, the interdependence of lithium storage performance on carbon content, milling time (2, 4, 6 and 10 h), grain size and porous characteristics (surface area, pore size and pore volume) is also discussed. Finally, the feasibility of LiMnPO 4/C cathode is evaluated against Li4Ti5O 12/C anode in a full cell. © 2013 Elsevier Ltd. All rights reserved.
Source Title: Electrochimica Acta
ISSN: 00134686
DOI: 10.1016/j.electacta.2013.05.025
Appears in Collections:Staff Publications

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