(19)
(11) EP 3 931 898 A1

(12)

(43) Date of publication:
05.01.2022 Bulletin 2022/01

(21) Application number: 20710428.2

(22) Date of filing: 21.02.2020
(51) International Patent Classification (IPC): 
H01M 8/04492(2016.01)
H01M 8/04537(2016.01)
H01M 8/1004(2016.01)
 C25B 9/08(2006.01)
H01M 8/04664(2016.01)
H01M 8/1018(2016.01)
(52) Cooperative Patent Classification (CPC):
H01M 2008/1095; H01M 8/1004; Y02E 60/50; H01M 8/04492; H01M 8/04671; H01M 8/04641
(86) International application number:
PCT/EP2020/054588
(87) International publication number:
WO 2020/173823 (03.09.2020 Gazette 2020/36)
(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: 27.02.2019 EP 19159801

(71) Applicant: PAUL SCHERRER INSTITUT
5232 Villigen PSI (CH)

(72) Inventors:
  • ELLER, Jens
    8050 Zürich (CH)
  • SCHULLER, Arnaud
    8953 Dietikon (CH)
  • STAMPI-BOMBELLI, Valentina
    8005 Zürich (CH)

(74) Representative: Fischer, Michael 
Siemens AG Postfach 22 16 34
80506 München
80506 München (DE)

   


(54) NON-INVASIVE METHOD AND SYSTEM FOR LOCAL IONOMER IMPEDANCE DETERMINATION IN POLYMER ELECTROLYTE FUEL CELLS