(19)
(11) EP 4 261 996 B8

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

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
23.10.2024 Bulletin 2024/43

(45) Mention of the grant of the patent:
18.09.2024 Bulletin 2024/38

(21) Application number: 23176266.7

(22) Date of filing: 28.01.2021
(51) International Patent Classification (IPC): 
H01M 50/238(2021.01)
H01M 10/054(2010.01)
H01M 50/209(2021.01)
H01M 50/571(2021.01)
H01M 50/591(2021.01)
H01M 50/124(2021.01)
H01M 50/249(2021.01)
H01M 10/0525(2010.01)
H01M 50/202(2021.01)
H01M 50/24(2021.01)
H01M 50/588(2021.01)
H01M 50/103(2021.01)
H01M 50/141(2021.01)
(52) Cooperative Patent Classification (CPC):
B60L 50/64; H01M 10/0525; H01M 50/103; H01M 50/124; H01M 50/1245; H01M 50/141; H01M 50/209; H01M 2220/20; Y02E 60/10; H01M 50/588; H01M 50/591; H01M 50/202; H01M 50/249

(54)

INSULATING FILM, BATTERY CELL, BATTERY AND POWER CONSUMPTION DEVICE

ISOLATIONSFILM, BATTERIEZELLE, BATTERIE UND STROMVERBRAUCHSVORRICHTUNG

FILM ISOLANT, CELLULE DE BATTERIE, BATTERIE ET DISPOSITIF DE CONSOMMATION D'ÉNERGIE


(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

(43) Date of publication of application:
18.10.2023 Bulletin 2023/42

(62) Application number of the earlier application in accordance with Art. 76 EPC:
21810513.8 / 4064434

(73) Proprietor: Contemporary Amperex Technology (Hong Kong) Limited
Central, Central And Western District (HK)

(72) Inventors:
  • CHEN, Xin
    Ningde City Fujian 352100 (CN)
  • GE, Xiaoming
    Ningde City Fujian 352100 (CN)
  • MA, Ruoyan
    Ningde City Fujian 352100 (CN)
  • WANG, Yiheng
    Ningde City Fujian 352100 (CN)

(74) Representative: Pfenning, Meinig & Partner mbB 
Patent- und Rechtsanwälte Theresienhöhe 11a
80339 München
80339 München (DE)


(56) References cited: : 
CN-A- 107 706 326
US-A1- 2017 250 388
US-A1- 2013 034 764
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).