The Electrolytic Capacitance of Platinum-Sulphuric Acid Cells

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Abstract
Capacitance of an electrolytic cell as determined from the time constant of a circuit on which a constant e.m.f. is impressed.—An electrolytic cell containing platinum electrodes in a solution of sulphuric acid has its electrolytic capacitance determined by a new d.c. method, which consists essentially in observing the current-time record when a small, constant potential is impressed on the circuit containing the cell. The method is described and is used to ascertain whether the capacitance of the cell is a function of the time constant of the circuit in which it is placed. The results show that the capacitance is not a function of the time constant.