| 摘要 |
PURPOSE:To improve capacity recovery performance after overdischarge by a method wherein zinc is electrodeposited on a foam metal by electrolyzing with said foam metal as cathode followed by being amalgamated and used for a cathode agent. CONSTITUTION:Zinc is electrodeposited on foam silver by electrolyzing with the sheet-shaped foam silver as cathode, a zinc plate as anode and a potassium hydroxide solution, namely dissolved zinc oxide, as electrolyte. This is immersed in mercury to be amalgamated and to fill up a cathode can 1 as a cathode agent 3. A cell obtained by composing said cathode can 1, a separator 7, an electrolyte absorber 8, and anode mixture 5, a ring pedestal 6 and an anode can 4 could exhibit quite a large charging capacity and an excellent recovery performance even after over-discharge as compared with the former one. |
