Method for charging a nickel-cadmium accumulator and simultaneou

Details Method for charging a nickel-cadmium accumulator and simultaneou Method for charging a nickel-cadmium accumulator and simultaneou

1989-04-04

1990-08-07

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324427, 324426, 320 48, G01N 27416, H02J 704

Patent

active

049471244

ABSTRACT:
A method for charging and simultaneously testing the condition of a nickel-cadmium accumulator wherein the charging cycle includes intervening measuring phases with discharging phases of relatively short duration. During the measuring phases, the internal resistance of the accumulator is measured under different charging and discharging conditions. The measured internal resistances are interrelated and additionally compared to internal resistances determined during successive measuring phases. The thus found relationships are used to derive therefrom a comprehensive spectrum of informations relating to various states of the accumulator, these informations being used for controlling the charging operation and permitting the state of usefulness of the accumulator to be assessed.

REFERENCES:
patent: 4423378 (1983-12-01), Marino et al.
patent: 4745349 (1988-05-01), Palanisamy et al.

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