WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2005117171) RUTHENIUM-RHODIUM ALLOY ELECTRODE CATALYST AND FUEL CELL COMPRISING THE SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/117171    International Application No.:    PCT/KR2005/001537
Publication Date: 08.12.2005 International Filing Date: 25.05.2005
IPC:
H01M 4/90 (2006.01)
Applicants: LG CHEM, LTD. [KR/KR]; LG Twin Tower 20, Yoido-dong, Youngdungpo-gu, Seoul 150-721 (KR) (For All Designated States Except US).
PARK, Jin-Nam [KR/KR]; (KR) (For US Only).
LEE, Won-Ho [KR/KR]; (KR) (For US Only).
KIM, Hyuk [KR/KR]; (KR) (For US Only).
KIM, Min-Suk [KR/KR]; (KR) (For US Only).
SUNG, Yung-Eun [KR/KR]; (KR) (For US Only).
CHOI, Jong-Ho [KR/KR]; (KR) (For US Only).
PARK, In-Su [KR/KR]; (KR) (For US Only).
NAM, Woo-Hyun [KR/KR]; (KR) (For US Only)
Inventors: PARK, Jin-Nam; (KR).
LEE, Won-Ho; (KR).
KIM, Hyuk; (KR).
KIM, Min-Suk; (KR).
SUNG, Yung-Eun; (KR).
CHOI, Jong-Ho; (KR).
PARK, In-Su; (KR).
NAM, Woo-Hyun; (KR)
Agent: HAM, Hyun-Kyung; 14F., Kukdong Building, 60-1, Chungmuro3-ka, Chung-ku, Seoul 100-705 (KR)
Priority Data:
10-2004-0037433 25.05.2004 KR
Title (EN) RUTHENIUM-RHODIUM ALLOY ELECTRODE CATALYST AND FUEL CELL COMPRISING THE SAME
(FR) CATALYSEUR D'ELECTRODE, A BASE D'UN ALLIAGE RUTHENIUM-RHODIUM, ET PILE A COMBUSTIBLE LE COMPRENANT
Abstract: front page image
(EN)Disclosed is an electrode catalyst comprising a ruthenium (Ru) -rhodium (Rh) alloy. A membrane electrode assembly (MEA) comprising the same electrode catalyst and a fuel cell comprising the same membrane electrode assembly are also disclosed. The ruthenium-rhodium alloy catalyst has not only good oxygen reduction activity but also excellent methanol resistance compared to conventional platinum and platinum-based alloy catalysts, and thus can be used as high-quality and high-efficiency electrode catalyst having improved catalytic availability and stability.
(FR)Un catalyseur d'électrode comprenant un alliage de ruthénium (Ru) rhodium (Rh) est décrit. Un ensemble électrode-membrane (MEA) comprenant ledit catalyseur d'électrode et une pile à combustible comprenant ledit ensemble électrode-membrane sont également décrits. Le catalyseur à base d'alliage ruthénium-rhodium présente non seulement une bonne activité de réduction de l'oxygène mais également une excellente résistance au méthanol par rapport aux catalyseurs au platine ou à base d'alliage de platine, et peut donc être utilisé en tant que catalyseur d'électrode de grande qualité et de grande efficacité possédant une stabilité catalytique et disponibilité améliorées.
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, KP, KZ, LC, LK, LR, LS, LT, LU, LV, 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 Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: Korean (KO)