CPC G01R 31/396 (2019.01) [G01R 31/3646 (2019.01); G01R 31/367 (2019.01); G01R 31/382 (2019.01); H02J 7/0031 (2013.01)] | 21 Claims |
8. A method comprising:
(a) detecting ultrasound transmitted through and/or reflected from an interior of a battery during charging or discharging thereof;
(b) based at least in part on the detected ultrasound satisfying one or more predetermined thresholds, providing an indication of battery fault; and
(c) terminating operation of the battery in response to the provided indication of battery fault.
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