(19)
(11) EP 4 327 375 A1

(12)

(43) Date of publication:
28.02.2024 Bulletin 2024/09

(21) Application number: 22792082.4

(22) Date of filing: 07.04.2022
(51) International Patent Classification (IPC): 
H01M 4/02(2006.01)
H01M 4/80(2006.01)
B61C 1/00(2006.01)
 H01M 4/04(2006.01)
B61B 1/00(2006.01)
(52) Cooperative Patent Classification (CPC):
Y02E 60/10; H01M 4/0404; H01M 4/139; H01M 4/667
(86) International application number:
PCT/NO2022/050081
(87) International publication number:
WO 2022/225399 (27.10.2022 Gazette 2022/43)
(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

(30) Priority: 23.04.2021 NO 20210502

(71) Applicant: Beyonder AS
4313 Sandnes (NO)

(72) Inventors:
  • LOU, Fengliu
    4032 Stavanger (NO)
  • YANG, Zhang
    4014 Stavanger (NO)
  • YU, Zhixin
    4314 Sandnes (NO)

(74) Representative: Håmsø Patentbyrå AS 
P.O. Box 9
4068 Stavanger
4068 Stavanger (NO)

   


(54) METHOD FOR MANUFACTURING A PERFORATED ELECTRODE ACTIVE MATERIAL FILM