(19)
(11) EP 4 526 988 A1

(12)

(43) Date of publication:
26.03.2025 Bulletin 2025/13

(21) Application number: 23724290.4

(22) Date of filing: 04.05.2023
(51) International Patent Classification (IPC): 
H02M 3/335(2006.01)
 H02J 1/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H02M 3/33584; H02M 3/33538; H02J 7/34; H02M 1/008; H02M 1/0058; H02J 7/0013; H02J 2310/10; H02J 2207/20; H02J 3/381; H02J 1/102; H02J 3/32
(86) International application number:
PCT/EP2023/061825
(87) International publication number:
WO 2023/222402 (23.11.2023 Gazette 2023/47)
(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:
KH MA MD TN

(30) Priority: 16.05.2022 SE 2250581

(71) Applicant: Northvolt AB
112 47 Stockholm (SE)

(72) Inventors:
  • STEPHENSON, Sean
    932 52 Bureå (SE)
  • LEFLEY, Paul W.
    Lutterworth Leicestershire LE17 4FD (GB)

(74) Representative: Engman, Eva Jessica 
Northvolt AB Alströmergatan 20
112 47 Stockholm
112 47 Stockholm (SE)

   


(54) BI-DIRECTIONAL DC/DC CONVERTER, CYCLER AND MICRO GRID