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(WO/2006/088679) METHOD FOR REDUCING DEGRADATION IN A FUEL CELL

(WO/2006/088679) METHOD FOR REDUCING DEGRADATION IN A FUEL CELL

Latest bibliographic data on file with the International Bureau
Pub. No.:  WO/2006/088679   International Application No.:  PCT/US2006/004041
Publication Date:24.08.2006 International Filing Date:06.02.2006
Chapter 2 Demand Filed: 05.09.2006
IPC: H01M 8/00 (2006.01)
Applicants: GORE ENTERPRISE HOLDINGS, INC. [US/US]; 551 Paper Mill Road, P.O. Box 9206, Newark, DE 19714-9206 (US) (All Except US).
LIU, Wen [US/US]; (US) (US Only).
JOHNSON, William, B. [US/US]; (US) (US Only).
REID, Ronald [US/US]; (US) (US Only).
CLEGHORN, Simon, J., C. [GB/US]; (US) (US Only).
Inventors: LIU, Wen; (US).
JOHNSON, William, B.; (US).
REID, Ronald; (US).
CLEGHORN, Simon, J., C.; (US).
Agent: BOLAND, Kevin, J.; W. L. Gore & Associates, Inc., 551 Paper Mill Road, P.O. Box 9206, Newark, DE 19714-9206 (US).
Priority Data:
11/055,993 11.02.2005 US
Title: METHOD FOR REDUCING DEGRADATION IN A FUEL CELL
Abstract:
The invention is a method of reducing catalyst dissolution in the cathode of a membrane electrode assembly fuel cell, said method comprising the steps of: (a) preparing a membrane electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane interposed between said anode and said cathode; (b) assembling a fuel cell using said membrane electrode assembly; (c) applying a fluid comprising an oxidant to said cathode of said membrane electrode assembly; (d) applying a fluid comprising a fuel to said anode of said membrane electrode assembly; and (e) supplying a sufficient quantity of reducing agent to said cathode to maintain the average open-circuit voltage of said cathode at less than about 0.98 V.

Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Org. (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:English (EN)
Filing Language:English (EN)

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