(19)
(11) EP 4 680 981 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 24769614.9

(22) Date of filing: 15.03.2024
(51) International Patent Classification (IPC): 
G01R 31/367(2019.01)
G01R 31/392(2019.01)
G01R 31/387(2019.01)
(52) Cooperative Patent Classification (CPC):
G01R 31/367; G01R 31/392; G01R 31/388; G01R 31/389; G01R 31/3842
(86) International application number:
PCT/CA2024/050311
(87) International publication number:
WO 2024/187283 (19.09.2024 Gazette 2024/38)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 15.03.2023 US 202363490448 P

(71) Applicant: National Research Council of Canada
Ottawa, Ontario K1A 0R6 (CA)

(72) Inventor:
  • YOO, Yeong
    Orleans, Ontario K4A 4S1 (CA)

(74) Representative: Ström & Gulliksson AB 
P.O. Box 793
220 07 Lund
220 07 Lund (SE)

   


(54) ESTIMATION OF BATTERY STATE OF HEALTH AND OF BATTERY STATE OF CHARGE