Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1996-02-26
1999-04-13
Regan, Maura K.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
324427, 324433, 320 48, G01N 2726
Patent
active
058942220
ABSTRACT:
A method of testing the electrical capacity of a plurality of secondary batteries connected to a load. The battery testing method reduces the time during which the entire electrical capacity of the secondary batteries remains low. In the case of secondary batteries which are made up of a nickel cadmium battery cell, the testing method prevents a memory effect from arising in the batteries. Using the battery testing method, the secondary battery is forcibly discharged, whereby the characteristics of the battery resulting from the discharge are tested. During the test, the secondary battery to be tested is discharged when the other secondary batteries are charged to saturation. In the case of the nickel cadmium secondary batteries, the batteries are fully discharged. The electrical capacity of the secondary battery is checked by measuring the time that elapses before the secondary battery has completely discharged.
REFERENCES:
patent: 4590430 (1986-05-01), Vandenberghe et al.
patent: 5537390 (1996-07-01), Horiba et al.
patent: 5543245 (1996-08-01), Andrieu et al.
Regan Maura K.
Sanyo Electric Co,. Ltd.
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