04392101 is referenced by 256 patents and cites 12 patents.

A method of fast charging batteries by means of precise analysis of the profile of the variation with time of a characteristic of the battery which is indicative of the variation in stored chemical energy as the battery is charged. The method specifically comprises analyzing the profile for the occurrence of a particular series of events preferably including one or more inflection points which precisely identify the point in time at which the application of a fast charge rate should be discontinued. Additional methods of analysis provide for termination or control of the charging current upon the occurrence of other events such as limiting values on time, voltage or voltage slope or a negative change in the level of stored energy.

Apparatus for performing these methods comprises a suitable power supply and a microcomputer for analyzing the profile and controlling the power supply.

Title
Method of charging batteries and apparatus therefor
Application Number
911554
Publication Number
4392101
Application Date
January 5, 1982
Publication Date
July 5, 1983
Inventor
Richard T Walter
Baltimore
MD, US
David A Saar
Timonium
MD, US
Agent
E D Murphy
Harold Weinstein
R B Sherer
Assignee
Black & Decker
DE, US
IPC
H01M 10/44
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