(19)

(11)

EP 2 324 528 A1

(12)

(43) Date of publication: 25.05.2011 Bulletin 2011/21 (21) Application number: 09841274.5 (22) Date of filing: 12.11.2009

(51) International Patent Classification (IPC):  H01M 6/00(2006.01) (86) International application number: PCT/US2009/064117 (87) International publication number: WO 2011/008223 (20.01.2011 Gazette 2011/03)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 15.07.2009 US 503557 13.08.2009 US 541055 (71) Applicant: Calera Corporation Los Gatos, CA 95032 (US)	(72) Inventors: GILLIAM, Ryan J. Campbell, CA 95008 (US) DECKER, Valentin Menlo Park, CA 94025 (US) KNOTT, Nigel A. Campbell, CA 95008 (US) KOSTOWSKYJ, Michael Campbell, CA 95008 (US) BOGGS, Bryan Campbell, CA 95008 (US) (74) Representative: Wilkinson, Marc George et al HLBBshaw Merlin House Falconry Court Baker's Lane Epping, Essex CM16 5DQ Epping, Essex CM16 5DQ (GB)