Method and apparatus for determining the state of charge of...

Details Method and apparatus for determining the state of charge of... Method and apparatus for determining the state of charge of...

G - Physics

01

R

G01R 31/36 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2430208

Computer-assisted methods for determining the state of charge of a specific lithium ion battery (100), without the need for charging and discharging the battery, by utilizing look-up tables or algorithms, within a computer (1) which store the relationships of state of charge to open-circuit voltage or to ramp-peak current, or to both for that type of specific lithium-ion battery (100) to determine the state of charge for that specific lithium-ion battery (100).

L'invention concerne des procédés assistés par ordinateur, permettant de déterminer l'état de charge d'une batterie au ion-lithium (100) spécifique sans chargement et déchargement de la batterie. Ce procédé consiste à utiliser des tables de conversion ou des algorithmes dans un ordinateur (1) enregistrant le rapport entre l'état de charge et la tension en circuit ouvert ou le courant de rampe maximal, ou les deux, pour ce type de batterie au ion-lithium (100) spécifique, pour déterminer l'état de charge pour ce type de batterie au ion-lithium (100) spécifique.

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