(19)
(11) EP 4 199 211 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
02.08.2023 Bulletin 2023/31

(43) Date of publication:
21.06.2023 Bulletin 2023/25

(21) Application number: 21215179.9

(22) Date of filing: 16.12.2021
(51) International Patent Classification (IPC): 
H01M 50/204(2021.01)
H01M 50/578(2021.01)
 H01M 50/531(2021.01)
(52) Cooperative Patent Classification (CPC):
H01M 2200/20; H01M 50/204; H01M 50/531; H01M 50/578; Y02E 60/10
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Samsung SDI Co., Ltd.
Yongin-si, Gyeonggi-do 17084 (KR)

(72) Inventor:
  • Golubkov, Andrej
    8010 Graz (AT)

(74) Representative: Gulde & Partner 
Patent- und Rechtsanwaltskanzlei mbB Wallstraße 58/59
10179 Berlin
10179 Berlin (DE)

   


(54) BATTERY CELL AND BATTERY SYSTEM


(57) The present disclosure refers to a battery cell (10) for an electric vehicle, the battery cell comprising a cell housing (11), an electrochemical cell (30) encased by the cell housing (11), the electrochemical cell (30) comprising a first electrode (15) and a second electrode (16), a first terminal (13) being electrically connected to the first electrode (15) and a second terminal (18) being electrically connected to the second electrode (16), the battery cell (10) further comprising a cell disconnect device (14, 20) adapted to electrically disconnect the battery cell (10) from further battery cells of a battery system in case of an overpressure outside of the cell housing (11).