Patent ID: 6541161
Filing Date: 2003-04-01
Classification: H01M,Y02E

Abstract:
An electrolyte consisting of a di-lithium phthalocyanine of the formula: wherein the R1 through R8 groups are the same or different, and are independently selected from H, C1 to C20 alkyl, C2 to C20 alkenyl, â€”X1â€”COOâ€”X2, â€”X1â€”Oâ€”Y, â€”X1â€”C6H5 and â€”X1â€”COZ, wherein X1 is selected from the group consisting of a chemical bond, â€”(CH2)nâ€” where n is 1 to 20, â€”(CH2)aâ€”CH&boxH;CHâ€”(CH2)bâ€” wherein a and b each has a value of 0 to 20 and the sum a+b has a value of 1 to 20, X2 is selected from the group consisting of C1 to C20 alkyl, C2 to C20 alkenyl, Y is selected from the group consisting of C1 to C20 alkyl, C2 to C20 alkenyl, or H, and Z is selected from the group consisting of â€”OH and â€”NR1R2 wherein R1 and R2 are selected from the group consisting of H, C1 to C20 alkyl and C2 to C20 alkenyl.