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Xiang HF, Xu HY, Wang ZZ, Chen CH (2007) Journal of Power Sources 173(1), 562-564.
Date: 2011-08-16   Author: SKLFS   Source: WOS
 

Xiang HF, Xu HY, Wang ZZ, Chen CH (2007) Dimethyl methylphosphonate (DMMP) as an efficient flame retardant additive for the lithium-ion battery electrolytes. Journal of Power Sources 173(1), 562-564. [In English]

Web link: http://dx.doi.org/10.1016/j.jpowsour.2007.05.001

Keywords:

dimethyl methylphosphonate; additive; lithium-ion batteries; flame; retardant; electrolyte; fluorinated alkyl phosphates; natural graphite; anode material; performance; cells

Abstract: Dimethyl methylphosphonate (DMMP) was used as a flame retardant additive to I M LiPF6/EC + DEC system. The flammability, electrochemical stability and cycling performance of electrolyte containing DMMP were studied. The addition of DNMP to electrolytes provides a significant suppression in the flammability of the electrolyte concluded from the measurements of self-extinguish time and limited oxygen index. The totally nonflammable electrolytes can be achieved with only 10 wt.% DMMP addition-the highly efficient retardant additive. The addition of DMMP causes little damage on the cell electrochemical performance. DMMP is a promising flame retardant additive to improve the safety of lithium-ion batteries. (C) 2007 Elsevier B.V. All rights reserved.

 
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