(19)

(11)

EP 3 912 218 A1

(12)

(43) Date of publication: 24.11.2021 Bulletin 2021/47 (21) Application number: 20740852.7 (22) Date of filing: 13.01.2020

(51) International Patent Classification (IPC):  H01M 10/0569(2010.01) H01M 10/0568(2010.01) H01M 4/38(2006.01) H01M 4/587(2010.01) H01M 10/052(2010.01) H01M 10/0567(2010.01) H01M 10/42(2006.01) H01M 4/62(2006.01) H01M 4/36(2006.01) (52) Cooperative Patent Classification (CPC): H01M 4/366; H01M 4/386; H01M 4/587; H01M 4/622; H01M 10/0525; H01M 10/0567; H01M 10/0568; H01M 10/0569; H01M 10/4235; H01M 2300/0034; H01M 2300/004; Y02E 60/10 (86) International application number: PCT/US2020/013363 (87) International publication number: WO 2020/150154 (23.07.2020 Gazette 2020/30)

(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: 14.01.2019 US 201916247143 (71) Applicant: Battelle Memorial Institute Richland, Washington 99354 (US)	(72) Inventors: ZHANG, Ji-Guang Richland, Washington 99352 (US) JIA, Haiping Richland, Washington 99352 (US) LI, Xiaolin Richland, Washington 99352 (US) XU, Wu Richland, Washington 99352 (US) KWAK, Won-Jin Richland, Washington 99352 (US) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)