| 摘要 |
481,032. Batteries. JASPER, L. Sept. 9, 1936, No. 24648. [Class 53] An accumulator comprises lead. and aluminium electrodes in a solution of potash alum containing zinc sulphate and magnesium sulphate or either of these salts. The lead electrode may be of the pasted type and the aluminium electrode may constitute the container of the accumulator. Aluminium alloys may be used instead of pure aluminium. |
