| 摘要 |
PURPOSE:To increase storage performance by mixing Cu2S and FeS2 in a molar ratio of 1:2 and by heating the mxiture in an inactive atmosphere at 600-700 deg.C to form CuFeS2 which is used as a positive active material of an organic electrolyte battery. CONSTITUTION:Cu2S and FeS2 are mixed in a molar ratio of 1:2 and the mixture is heated in an atmosphere of argon at 600-700 deg.C and cooled,then crushed to obtain a positive active material comprising CuFeS2. A conductive material and a binder are added to CuFeS2 and the mixture is press-molded in an expanded nickel plate 5 to form a positive electrode 4. The positive electrode 5 is combined with a negative electrode 2 comprising lithium to form an organic electrolyte battery. In this battery, capacity deterioration after storage for 30 days at 60 deg.C is remarkably decreased and discharge voltage is stabilized. Therefore, this battery is suitable for electronic watch application. |
