| 摘要 |
1491888 Lead-zinc cells E VILLARREALDOMINGUEZ 15 Nov 1974 49622/74 Heading H1B A rechargeable lead dioxide-zinc cell has an electrolyte comprising in aqueous solution zinc sulphate, sulphuric acid and sulphates of mercury, aluminium and sodium, and also comprising a gum, e.g. dextrin, and dibutylamine, an anti-corrosive agent. A preferred composition of the electrolyte comprises 2À5 g/l of ZnSO 4 , 50 g/l of Na 2 SO 4 , 50 g/l of Al 2 (SO 4 ) 3 , 5 g/l of HgSO 4 , 300 g/l of H 2 SO 4 , 20 g/l of dextrin and 10 g/l of dibutylamine. The lead dioxide electrode is a grid of Pb-Sb filled with the oxide paste and the zinc electrode is a stainless steel web coated with amalgamated zinc. |
