| abstract |
1. A non-aqueous electrolytic solution comprising ansolvent, a lithium salt as an electrolyte, and one or morenphosphoric acid esters of formula [1]:n nwherein R 1 , R 2 and R 3 which may be the same or different,nrepresent an alkyl group or an alkyl group substituted bynone or more halogen atoms, at least one of R 1 , R 2 and R 3 nrepresenting an alkyl group substituted by one or morenhalogen atoms. |