Perfluoroalkylsulfonates, sulfonimides, and sulfonyl methides, and electrolytes containing them

A battery comprising:

• at least one positive electrode;
• at least one negative electrode;
• and
• an electrolyte comprising a salt disposed in a matrix,
• said salt having the formula selected from the group consisting of ##STR18## in which X.sup.- is selected from the group consisting of O.sup.-, N.sup.- SO.sub.2 R.sub.f.sup.3, and ##STR19## Z is selected from the group consisting of --CF.sub.2 --, --O--, --NR.sub.f.sup.8, and --SF.sub.4 --, R.sub.f.sup.1 and R.sub.f.sup.2, independently, are selected from the group consisting of --CF.sub.3, --C.sub.m F.sub.2m+1, and --(CF.sub.2).sub.q --SO.sub.2 --X.sup.- M.sup.+, R.sub.f.sup.3, R.sub.f.sup.4, and R.sub.f.sup.5, independently, are selected from the group consisting of --CF.sub.3, --C.sub.m F.sub.2m+1, --(CF.sub.2).sub.q --SO.sub.2 --X.sup.- M.sup.+, ##STR20## R.sub.f.sup.8 is selected from the group consisting of --CF.sub.3, --C.sub.m F.sub.2m+1, and --(CF.sub.2).sub.q --SO.sub.2 --X.sup.- M.sup.+ ;
• R.sub.f.sup.6 and R.sub.f.sup.7, independently, are perfluoroalkylene moieties having the formula --C.sub.r F.sub.2r ;
• where n is 1-4;
• r is 1-4;
• m is 1-12;
• q is 1-4;
• and M.sup.+ is a counterion.

A salt having a formula selected from the group consisting of ##STR21## in which X.sup.- is selected from the group consisting of --N.sup.- SO.sub.2 R.sub.f.sup.3 and ##STR22## Z is selected from the group consisting of --CF.sub.2 --, --O--, --NR.sub.f.sup.8 --, and --SF.sub.4 --;

• R.sub.f.sup.1 and R.sub.f.sup.2, independently, are selected from the group consisting of --CF.sub.3, --C.sub.m F.sub.2m+1, and --(CF.sub.2).sub.q --SO.sub.2 --Q.sup.- M.sup.+ ;
• Q is selected from the group consisting of --O.sup.-, --N.sup.- SO.sub.2 R.sub.f.sup.3 and ##STR23## R.sub.f.sup.3, R.sub.f.sup.4, and R.sub.f.sup.5, independently, are selected from the group consisting of --CF.sub.3, --C.sub.m F.sub.2m+1, --(CF.sub.2).sub.q --SO.sub.2 --Q.sup.- M.sup.+, ##STR24## R.sub.f.sup.8 is selected from the group consisting of --CF.sub.3, --C.sub.m F.sub.2m+1, and --(CF.sub.2).sub.q --SO.sub.2 --Q.sup.- M.sup.+ ;
• R.sub.f.sup.6 and R.sub.f.sup.7, independently, are perfluoroalkylene moieties having the formula --C.sub.r F.sub.2r ;
• where n is 1-4;
• r is 1-4;
• m is 1-12;
• q is 1-4;
• and M.sup.+ is a counterion.