GB190416751A - Improvements in and relating to Galvanic Batteries. - Google Patents

Abstract

16,751. P÷rscke, H. P. R. L., and Wedekind, G. A. July 29. Primary batteries.-In batteries of the Lalande type, the copper oxide or other oxidizing-material is pasted on the inside walls or partitions of the cells, which are suitably formed to support it. In one construction, Figs. 1 and 2, the sides b of the cell, which is made of cast iron or steel, bronze, copper, &c., are rounded out and are provided with projections c, or with vertical dovetailed grooves, which may be narrower at the top than at the bottom. The zinc or other negative electrode k is secured to a pin g, which passes through a vulcanite piece f inserted in a hole in the cover d, and terminates in a binding- screw i. The cover d, having an india-rubber washer e, is fixed to the cell by screws or otherwise, one of the screws being provided at its upper end with a binding-screw m which serves as the positive terminal. To regenerate the element, the zinc plate is removed, the alkaline electrolyte is poured out, and tha cell is heated or dried in the open air to re-convert the reduced copper to the oxide. The invention is also shown applied to a cylindrical cell, having an annular zinc electrode.