Battery state monitoring using ultrasonic guided waves

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United States of America Patent

PATENT NO 11527783
APP PUB NO 20190207274A1
SERIAL NO

16312241

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Abstract

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A method of battery state monitoring includes: (1) providing a battery cell and at least one ultrasonic actuator and at least one ultrasonic sensor mounted to the battery cell; (2) using the ultrasonic actuator, generating a guided wave that propagates in-plane of the battery cell; (3) using the ultrasonic sensor, receiving an arriving wave corresponding to the guided wave; and (4) determining a state of the battery cell based on the arriving wave.

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Patent Owner(s)

Patent OwnerAddress
THE BOARD OF TRUSTEES OF THE LELAND STANDFORD JUNIOR UNIVERSITVSTANFORD CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Fu-Kuo Stanford, US 28 472
Ladpli, Purim Stanford, US 6 23

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