(19)
(11) EP 4 220 788 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:
04.09.2024 Bulletin 2024/36

(21) Application number: 21810262.2

(22) Date of filing: 10.02.2021
(51) International Patent Classification (IPC): 
H01M 10/052(2010.01)
H01M 50/15(2021.01)
 H01M 50/103(2021.01)
H01M 50/209(2021.01)
(52) Cooperative Patent Classification (CPC):
Y02E 60/10; H01M 2220/20; H01M 10/052; H01M 50/209; H01M 50/103; H01M 50/15; H01M 50/55; H01M 50/553
(86) International application number:
PCT/CN2021/076487
(87) International publication number:
WO 2022/170553 (18.08.2022 Gazette 2022/33)

(54)

BATTERY CELL, BATTERY AND ELECTRICAL DEVICE

BATTERIEZELLE, BATTERIE UND ELEKTRISCHE VORRICHTUNG

ÉLÉMENT DE BATTERIE, BATTERIE ET DISPOSITIF ÉLECTRIQUE

(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:
02.08.2023 Bulletin 2023/31

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

(72) Inventors:
  • YANG, Jianxiong
    Ningde, Fujian 352100 (CN)
  • HUANG, Siying
    Ningde, Fujian 352100 (CN)
  • XU, Jinmei
    Ningde, Fujian 352100 (CN)
  • JIN, Haizu
    Ningde, Fujian 352100 (CN)
  • GUO, Zhijun
    Ningde, Fujian 352100 (CN)
  • ZHOU, Linggang
    Ningde, Fujian 352100 (CN)
  • YANG, Jiandong
    Ningde, Fujian 352100 (CN)

(74) Representative: Herrero & Asociados, S.L. 
Edificio Aqua - Agustín de Foxá, 4-10
28036 Madrid
28036 Madrid (ES)


(56) References cited: : 
EP-A1- 3 675 203
CN-U- 211 017 134
CN-U- 211 629 211
 CN-A- 111 029 488
CN-U- 211 629 211
US-A1- 2020 251 711
   
       
    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).