Non-aqueous electrolyte solutions comprising additives and non-aqueous electrolyte cells comprising the same
A non-aqueous electrolyte to be used in a Li-ion battery includes a lithium salt, a cyclic carbonate, a linear carbonate and an isocyanate-based additive, with the following general formulaR1—N═C═Owherein R1 represents linear or branched alkyl groups which have 1 to 7 carbon atoms, or aromatic groups having the following general formula wherein R2 and R3, which may be the same or different and located at any positions of carbons 2, 2′, 3, 3′ and 4 in the benzyl ring, represent hydrogen atoms or halogen atoms, isocyanate groups, either groups, ester groups or alkyl groups, having 1 to 3 carbon atoms, and are optionally substituted with halogen atoms.
The United States of America as represented by the Secretary of the Army
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inventional additional additional inventional additional additional additional additional additional
Kang Shengshui T. Richard Michael S.
Xu Zhang Jow Ding