Patent ID: 6210840
Filing Date: 2001-04-03
Classification: C09K,H01M,Y02E

Abstract:
A flame-retardant electrolytic solution of an electrolyte salt in an organic solvent, wherein said organic solvent contains at least one phosphorus compound represented by formula (I): ##STR3##wherein R.sup.1 represents an alkyl group having 1 to 8 carbon atoms, a halogenated alkyl group, an aryl group, an alkylaryl group, an aralkyl group or --CH.sub.2 --COOR.sup.3 ; R.sup.2 represents a methyl group, an ethyl group or a halogenated alkyl group having 1 to 8 carbon atoms; R.sup.3 represents an alkyl group having 1 to 8 carbon atoms or a halogenated alkyl group; and m and n each represents 1 or 2 and the sum of m and n is 3.