. The Bell System technical journal . s isillustrated by the curves shown in Figs. 3 and 4 the change becomesmore rapid when these factors are increased. TABLE I Applied Potential Capacity Readings Volts— Microfarads 1008 1002 1008 1013 1013 1013 Series Connected Condensers for Direct and AlternatingCurrent Service In the discussion of the current-voltage relations in Fig. 1, it wasnoted that an aluminum cell with one electrode of non-film-formingmetal conducts current freely when the aluminum is cathode. Accord-ingly this type of cell is capable of holding a
. The Bell System technical journal . s isillustrated by the curves shown in Figs. 3 and 4 the change becomesmore rapid when these factors are increased. TABLE I Applied Potential Capacity Readings Volts— Microfarads 1008 1002 1008 1013 1013 1013 Series Connected Condensers for Direct and AlternatingCurrent Service In the discussion of the current-voltage relations in Fig. 1, it wasnoted that an aluminum cell with one electrode of non-film-formingmetal conducts current freely when the aluminum is cathode. Accord-ingly this type of cell is capable of holding a charge of electricity and 46 BELL SYSTEM TECHNICAL JOURNAL serving as a condenser only while the aluminum is at a higher positivepotential than the electrolyte. A cell with a non-film-forming cathode makes a suitable con-denser to operate on direct-current or pulsating-current circuits, in \ \ \ \ r SIMILAR CONDENSERS OPERATED AT HALF OF THE FORMATIONVOLTAGE. BOTH CONDENSERS IN AMMONIUM BORATE ELECTRO-LYTES OF THE SAME CONDUCTIVITY. 100 150 TIME IN DAYS Fig. 3—Effect of electrolyte temperature on the rate of capacity change in con-densers operating at voltages below the formation voltage <2400 SIMILAR CONDENSERS FORMED TO 60 VOLTS AND OPERATED ON A30 VOLT CIRCUIT AT ROOM TEMPERATURE. IN DIFFERENT AM-MONIUM BORATE ELECTROLYTES
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