NICKEL/CADMIUM AIRCRAFT BATTERIES: RAPID ELECTROLYTE EXCHANGE TECHNIQUE

Authors
  1. Feldman, K.
  2. Hayashi, R.M.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
The potassium hydroxide electrolyte in nickel/cadmium aircraft batteries may become increasingly more contaminated by carbonate with battery use. When the carbonate concentration exceeds certain limits it is advisable to exchange the electrolyte. However, most of the electrolyte in a cell is soaked into the separator materials and plate pores, and is held in the pack, so only a small portion of it may be poured out. The paper discusses the various factors involved and presents a vacuum technique for mixing the added with the retained electrolyte in each cell. The method presented reduces the time required for the above operation from a week or more to a day or two.
Report Number
TN-77-8 —
Date of publication
15 Apr 1977
Number of Pages
11
DSTKIM No
77-02264
CANDIS No
102614
Format(s):
Hardcopy;Originator's fiche received by DSIS

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