(19)
(11) EP 4 272 277 A1

(12)

(43) Date of publication:
08.11.2023 Bulletin 2023/45

(21) Application number: 22710346.2

(22) Date of filing: 24.02.2022
(51) International Patent Classification (IPC): 
H01M 8/1016(2016.01)
 H01M 8/18(2006.01)
(52) Cooperative Patent Classification (CPC):
H01M 8/1016; H01M 8/188; Y02E 60/50
(86) International application number:
PCT/EP2022/054689
(87) International publication number:
WO 2022/189162 (15.09.2022 Gazette 2022/37)
(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: 08.03.2021 SE 2150263

(71) Applicant: GreenRFB AB
100 44 Stockholm (SE)

(72) Inventors:
  • KHATAEE, Amirreza
    100 44 STOCKHOLM (SE)
  • HENRIKSSON, Gunnar
    170 62 SOLNA (SE)
  • ABDELAZIZ, Omar
    226 46 LUND (SE)

(74) Representative: Ström & Gulliksson AB 
Box 5275
102 46 Stockholm
102 46 Stockholm (SE)

   


(54) A LIGNIN BASED REDOX FLOW BATTERY, A REDOX SPECIES, AND A METHOD FOR ITS MANUFACTURE