(19)

(11)

EP 2 502 301 A2

(12)

(88) Date of publication A3: 07.07.2011 (43) Date of publication: 26.09.2012 Bulletin 2012/39 (21) Application number: 10787924.9 (22) Date of filing: 17.11.2010

(51) International Patent Classification (IPC):  H01M 8/16(2006.01) H01M 16/00(2006.01) H01M 8/22(2006.01) (86) International application number: PCT/NL2010/050764 (87) International publication number: WO 2011/062485 (26.05.2011 Gazette 2011/21)

(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 (30) Priority: 17.11.2009 NL 2003812 (71) Applicant: Stichting Wetsus Centre of Excellence for Sustainable Water Technology 8934 CJ Leeuwarden (NL)	(72) Inventors: HAMELERS, Hubertus Victor Marie NL-8934 CJ Leeuwarden (NL) BUISMAN, Cees Jan Nico NL-8934 CJ Leeuwarden (NL) SLEUTELS, Tomas Hubertus Johannes Antonius NL-8934 CJ Leeuwarden (NL) (74) Representative: Verdijck, Gerardus et al Arnold & Siedsma Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)