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EP 3 888 170 A1

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(43) Date of publication: 06.10.2021 Bulletin 2021/40 (21) Application number: 19821415.7 (22) Date of filing: 26.11.2019

(51) International Patent Classification (IPC):  H01M 8/026(2016.01) H01M 8/0444(2016.01) H01M 8/0265(2016.01) H01M 8/14(2006.01) (52) Cooperative Patent Classification (CPC): H01M 8/026; H01M 8/0265; H01M 8/04455; H01M 8/0447; H01M 2008/147; Y02E 60/50 (86) International application number: PCT/US2019/063301 (87) International publication number: WO 2020/112810 (04.06.2020 Gazette 2020/23)

(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: 30.11.2018 US 201862773420 P (71) Applicants: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US) Fuelcell Energy, Inc. Danbury, CT 06810 (US)

(72) Inventors: GEARY, Timothy C. Stamford, Connecticut 06901 (US) BARCKHOLTZ, Timothy A. Whitehouse Station, New Jersey 08889 (US) ROSEN, Jonathan Morristown, New Jersey 07960 (US) DAS, Sandipan K. Spring, Texas 77386 (US) WILLMAN, Carl A. Newton, Connecticut 06470 (US) HILMI, Abdelkader Bethel, Connecticut 06801 (US) YUH, Chao-Yi Milford, Connecticut 06776 (US) (74) Representative: Abel & Imray  Westpoint Building James Street West Bath BA1 2DA Bath BA1 2DA (GB)