| 摘要 |
PURPOSE:To obtain a cell extremely excellent in a long shelf life by using manganese dioxide with the X value of MnOx of 1.85-1.95 for a lithium-manganese dioxide cell. CONSTITUTION:85%, by weight, of electrolyzed MnOn (gamma) heated in the atmosphere, 10% of graphite as a dielectric material, and 5% of Teflon powder as a binding agent are mixed and molded into a positive electrode 2. Metal lithium is used for a negative electrode 4, and propylene carbonate of nonaqueous solvent and 1, 2 dimethoxyethane are mixed equally, by volume, and are dissolved with one mole of lithium perchlorate to be used as the electrolyte. The positive and negative electrodes are inserted physically and electrically in contact with a positive electrode can 1 made of SUS434 stainless steel and a negative electrode can 3 made of SUS304 stainless steel respectively, and a separator 5 made of polypropylene nonwoven fabric is inserted between both electrodes. Finally, the cell is assembled by fully bending the edge of the positive electrode can 1 inward through a gasket 6 made of polypropylene. |
