US 12,253,569 B2
Methods and systems for safety assessment of a battery
Sagar Bharathraj, Bangalore (IN); and Shashishekara Parampalli Adiga, Bangalore (IN)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Apr. 19, 2022, as Appl. No. 17/723,917.
Claims priority of application No. 202141019285 (IN), filed on Apr. 27, 2021; application No. 202141019285 (IN), filed on Jan. 5, 2022; and application No. 10-2022-0030902 (KR), filed on Mar. 11, 2022.
Prior Publication US 2022/0342002 A1, Oct. 27, 2022
Int. Cl. G01R 31/392 (2019.01); G01R 31/388 (2019.01); H01M 10/44 (2006.01); H02J 7/00 (2006.01); G01R 1/20 (2006.01)
CPC G01R 31/392 (2019.01) [G01R 31/388 (2019.01); H01M 10/44 (2013.01); H02J 7/0049 (2020.01); H02J 7/005 (2020.01); G01R 1/203 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A processor implemented method for determining safety of a battery, the method comprising:
identifying, by the processor, a charge state or a discharge state of the battery;
activating, by the processor, pulse probe currents at different depths of charge or discharge (charge/discharge) of the battery, in response to identifying the charge or discharge state of the battery; and
detecting and differentiating, by the processor, between a state of short (SOS) and a state of health (SOH) of the battery based on variations of the pulse probe currents as a function of the different depths of charge/discharge,
wherein the detecting and differentiating between the SOS and the SOH is further based an estimated current limit estimate (CLE) of the battery for the different depths of charge/discharge.