Electrode catalyst and method of preparing electrode catalyst for fuel cell, and membrane electrode assembly and fuel cell including same
The invention discloses an electrode catalyst and a method of preparing the electrode catalyst, and a membrane electrode assembly and a fuel cell including the electrode catalyst. The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C cata...
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| creator | BAE GANG-HONG HAM DONG-JIN LEE JAE-SUNG CHANG HYUK HAN SUENG-HOON PAK CHAN-HO YOO DAE-JONG |
| description | The invention discloses an electrode catalyst and a method of preparing the electrode catalyst, and a membrane electrode assembly and a fuel cell including the electrode catalyst. The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C catalyst and is much cheaper than a catalyst using platinum. The electrode catalyst includes tungsten carbide having a specific surface area of about 10 to about 30 m2/g, and a metal catalyst comprising palladium (Pd) or palladium alloy. |
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The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C catalyst and is much cheaper than a catalyst using platinum. 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| subjects | BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Electrode catalyst and method of preparing electrode catalyst for fuel cell, and membrane electrode assembly and fuel cell including same |
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