Abstract
Current density and electrolyte distributions were investigated in a lead‐acid cell of the industrial motive power type. The current density distribution was calculated from the measured potential distribution using a treatment based on the terminal effect. Results show that the current density is strongly nonuniform and dependent on plate height. The acid density distribution was measured directly under both stationary and circulating electrolyte conditions over a range of discharge rates. Analysis of the data confirms that, under stationary conditions, stratification develops due to natural convection and shows that the electrode capacity is limited by the availability of electrolyte within the electrode pores.
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