Low float technology battery

Chemistry: electrical current producing apparatus – product – and – Process of cell operation

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320 4, 379324, H01M 1044

Patent

active

049313673

ABSTRACT:
In a device for providing stand-by power to an electrical apparatus, such as a telephone switching system, the battery contained therein is maintained at a positive plate polarization of about 20 to 40 millivolts per cell.

REFERENCES:
patent: 1846246 (1932-02-01), Bowditch
patent: 4401935 (1983-08-01), Yerkes
J. J. Lander, "Further Studies on the Anodic Corrosion of Lead in H.sub.2 SO.sub.4 Solutions," Ibid., 103, (1956), pp. 1-8.
P. Ruetschi & R. T. Angstadt, "Anodic Oxidation of Lead at Constant Potential," Ibid., 111, (1964), pp. 1323-1330.
P. Ruetschi & B. D. Cahan, "Anodic Corrosion & Hydrogen & Oxygen Overvoltage on Lead & Lead Antimony Alloys," Ibid., 104, (1957), pp. 406-412.
E. Willihnganz, "Accelerated Testing of Stationary Batteries," Electrochem. Technology, 6, (1968), pp. 338-341.
A. G. Cannone, D. O. Feder & R. V. Biagetti, "Positive Grid Design Principles," B.S.T.J., Sep. 1970, pp. 1279-1304.
D. P. Reif & I. Glasa, "A New Concept: Intermittent Charging of Lead Acid Batteries in Telecommunications Systems," Proceedings of INTELEC 1984, pp. 67-72.
J. T. Wadden, D. P. Reid, I. Glasa, "Non-Destructive Testing of Telephone Stationary Batteries," Proceedings of INTELEC 1979, pp. 49-52.
W. B. Brecht, "Structural Considerations in Lead Acid Stationary Cell Design Proceedings of INTELEC", 1986, pp. 31-34.
C & D Power-Battery Spec.-1984.
"Lead Acid Batteries", pp. 3-6.
Float Voltage-Pacific Bell, May 17, 1988.
Young and Lunsford, Automatic Power Plants for Telephone Offices, Bell Telephone System Technical Publications, May 1931.

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