US 12,224,412 B2
Architecture and method of thermal runaway prognostics with multi-parameter data fusion
Ibrahim Haskara, Macomb, MI (US); Bharatkumar Hegde, Bloomfield Hills, MI (US); and Chen-fang Chang, Bloomfield Hills, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Oct. 17, 2022, as Appl. No. 17/967,380.
Prior Publication US 2024/0128528 A1, Apr. 18, 2024
Int. Cl. H01M 10/48 (2006.01); G01R 31/367 (2019.01); G01R 31/382 (2019.01); G01R 31/389 (2019.01); G01R 31/396 (2019.01)
CPC H01M 10/482 (2013.01) [G01R 31/367 (2019.01); G01R 31/382 (2019.01); G01R 31/389 (2019.01); G01R 31/396 (2019.01); H01M 2220/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of predicting a thermal runaway event in a battery pack of a vehicle, comprising:
obtaining measurements of a parameter of a battery cell of the battery pack at a plurality of times;
determining a value of at least one feature of the battery cell from the measurements of the parameter;
determining a likelihood of the thermal runaway event from the value of the at least one feature; and
taking an action to prevent the thermal runaway event from occurring based on the likelihood.