| 摘要 |
798,449. Primary batteries. MALLORY & CO., Inc., P. R. Oct. 29, 1956 [Nov. 8, 1955; Feb. 1, 1956], No. 32877/56. Drawings to Specification. Class 53. A primary cell has a depolarizer of basic mercuric sulphate. The electrolyte may be a 10-25 per cent aqueous solution of magnesium, zinc or alkali metal sulphate with a small amount of chromate inhibitor, e.g. potassium chromate. Carbon is preferably mixed with the basic mercuric sulphate and a carbon rod used as cathode. The anode may be zinc, magnesium or aluminium. Specification 610,719 is referred to. |
