Patent ID: 6136469
Filing Date: 2000-10-24
Classification: H01G,H01M,Y02E

Abstract:
An electrolyte for an electrochemical cell comprising two or more polyanion-based compounds with the following general formula:M.sub.m [X.sub.x Y.sub.y O.sub.z ].nH.sub.2 OwhereM is selected from the group consisting of ammonia and the elements of Groups IA and IIA of the Periodic Table;X and Y are different and are selected from the group consisting of the elements of Groups IIIB, IVB, VB, and VIB of the Periodic Table, and boron, aluminum, gallium, silicon, germanium, tin, phosphorous, arsenic, antimony, bismuth, selenium, tellurium, polonium, indium, and astatine;O is oxygen; andm is an integer from 1 to 10, inclusive;x is an integer from 0 to 1, inclusive;y is an integer from 2 to 13, inclusive;z is an integer from 7 to 80, inclusive; andn is an integer from 2 to 100, inclusive.