Patent ID: 7479348
Filing Date: 2009-01-20
Classification: H01M,Y02E,Y02P

Abstract:
1. A primary electrochemical cell, comprising (1) a cathode including an active cathode material selected from the group consisting of manganese dioxide and iron disulfide, the active cathode material including water, (2) an anode comprising lithium (3)an aluminum couple, and (4) an electrolyte, in contact with a surface of the aluminum couple, and comprising (a) from about 300 ppm to about 10,000 ppm of LiBF 4 to reduce corrosion of the aluminum couple, (b) LiPF 6 , and (c) a third lithium salt selected from the group consisting of lithium trifluoromethanesulfonate and lithium trifluoromethanesulphonylimide.