HIGH ENERGY DENSITY SINTERED PLATE TYPE SEALED NICKEL CADMIUM BATTERY CELLS PartⅠ. The Positive Electrode/Plaque Relationship

摘要

This report is the first of a series of papers that describe work done in these laboratories toward development of a 20 watt-hours per pound and 2 watt-hours per cubic inch Nickel-Cadmium battery cell. State-of-the-Art cells have been delivering typically 12 to 16 watt-hours per pound and about 1.5 watt-hours per cubic inch at 100% depth of discharge using the two hour rate. This paper describes the relationship between nickel sinters and nickel hydroxide active material necessary to achieve these goals. A theory on utilization of active material is presented. Data are given showing an optimum porosity exists, but deviations between 77 and 85 percent are not very significant. A hypothesis is given to account for blistering and thickening of nickel hydroxide electrodes. (Author)