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(12) PATENT APPLICATION PUBLICATION (21) Application No.6664/DELNP/2008 A<br />

(19) INDIA<br />

(22) Date <strong>of</strong> filing <strong>of</strong> Application :31/07/2008 (43) Publication Date : 24/10/2008<br />

(54) Title <strong>of</strong> the invention : "METHOD FOR OPERATING FUEL CELLS WITH PASSIVE REACTANT SUPPLY"<br />

(51) International classification :H01M 8/04 (71)Name <strong>of</strong> Applicant :<br />

(31) Priority Document No :60/743,173<br />

1)ANGSTROM POWER INC.<br />

(32) Priority Date :25/01/2006<br />

Address <strong>of</strong> Applicant :980 WEST 1ST STREET, #109,<br />

(33) Name <strong>of</strong> priority country :U.S.A.<br />

NORTH VANCOUVER, BRITISH COLUMBIA V7P 3N4,<br />

(86) International Application No :PCT/CA2007/000151 CANADA. Canada<br />

Filing Date<br />

:25/01/2007 (72)Name <strong>of</strong> Inventor :<br />

(87) International Publication No :WO 2007/085096 1)ZIMMERMANN, JOERG<br />

(61) Patent <strong>of</strong> Addition to Application<br />

Number<br />

Filing Date<br />

:NA<br />

:NA<br />

2)ROBERTS, JOY<br />

3)SCHROOTEN, JEREMY<br />

(62) Divisional to Application Number :NA<br />

Filing Date<br />

:NA<br />

(57) Abstract :<br />

A method for operating a passive, air-breathing fuel cell system is described. In one embodiment, the system comprises one or more<br />

fuel cells, <strong>and</strong> a closed fuel plenum connected to a fuel supply. In some embodiments <strong>of</strong> the method, the fuel cell cathodes are exposed<br />

to ambient air, <strong>and</strong> the fuel is supplied to the anodes via the fuel plenum at a pressure greater than that <strong>of</strong> the ambient air.<br />

No. <strong>of</strong> Pages : 29 No. <strong>of</strong> Claims : 25<br />

The Patent Office Journal 24/10/2008 26133

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