Patent ID: 7553589
Filing Date: 2009-06-30
Classification: H01B,H01G,H01M,Y02E

Abstract:
1. A fluorine-containing polymer solid electrolyte which has an ionic conductivity of from 10 −10 to 10 1 S/cm measured at 25° C. by alternating current complex impedance method and comprises: (I) a non-crystalline fluorine-containing polymer which has a polar nonionic functional group Y and has recurring units having, in a side chain thereof, a structural unit D derived from a fluorine-containing ether and represented by the formula (D): wherein (d1) is —(OCF (d2) is —(OCFX (d3) is —(OCFX (d4) is —(OCH n1, n2, n3 and n4 are the same or different and each is 0 or an integer of 1 or more, provided that n1+n2+n3+n4 is an integer of from 1 to 4; X (II) an electrolytic compound.