Chloride Group Public Limited Company

James Parker

Michael J Cooper

An alkaline electric storage cell comprises a container within which are positive and negative pocket plates separated by composite separators. Each separator has a lower portion which is of conventional ladder type having a substantially open area and an upper portion which is a strip of absorbent fibrous material. The cell is filled with electrolyte up to a level which is slightly above the bottom of the strips. The high discharge rate voltage of the cell is scarcely impaired by comparison with a conventional cell, but the oxygen that is evolved at the end of charge is recombined at those portions of the negative plates which are above the electrolyte level but retained moist with electrolyte by the absorbent strips. The cell thus loses no electrolyte and is of no-maintenance type at charging rates of up to C/60 or more.

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Alvechurch, United Kingdom

James Parker