METHOD FOR MONITORING A LI-ION BATTERY AND MONITORING DEVICE FOR THE IMPLEMENTATION OF THIS METHOD

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United States of America Patent

APP PUB NO 20160245875A1
SERIAL NO

15026087

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Method for determining the state of health of a battery, using a sensor of the acoustic activity of the battery, comprising the following steps:

    detection of at least one acoustic event by the sensor;determination of the value of at least one parameter for each acoustic signal detected in the course of the elementary cycle of use;calculation, for the elementary cycle of use, of a value of acoustic density according to a density calculation function taking into account said at least one parameter determined for each of the acoustic signals detected in the course of the cycle;calculation of a state of health value corresponding to said previously calculated acoustic density value, on the basis of a functional relation or a predetermined database, making it possible to know the state of health for a given acoustic density value.

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Patent Owner(s)

Patent OwnerAddress
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESPARIS FRANCE PARIS PARIS
INSTITUT POLYTECHNIQUE DE GRENOBLE46 AVENUE FÉLIX VIALLET GRENOBLE 38000
UNIVERSITE GRENOBLE ALPES621 AVENUE CENTRALE 38400 SAINT-MARTIN D'HERES 38400

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alias, Mélanie Poligny, FR 7 79
Genies, Sylvie Saint Egreve, FR 14 81
Hing, Sothun Eric Chambéry, FR 2 5
Kircheva, Nina Aix Les Bains, FR 4 38
Thivel, Pierre-Xavier Grenoble, FR 2 5

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