Supported catalyst for fuel cell, method of preparing the same, electrode for fuel cell including the supported catalyst, and fuel cell including the electrode

A method of preparing a supported catalyst for a fuel cell, comprising:

• preparing a first catalyst metal precursor solution by mixing a first catalyst metal precursor and polyol;
• preparing a graphite based catalyst carrier solution by mixing a graphite based catalyst carrier, polyol, and water;
• mixing the first catalyst metal precursor solution and the graphite based catalyst carrier solution;
• titrating a pH of the mixture of the first catalyst metal precursor solution and the graphite based catalyst carrier solution, and then heating and cooling the mixture of the first catalyst metal precursor solution and the graphite based catalyst carrier solution;
• preparing a second catalyst metal precursor solution by mixing a second catalyst metal precursor and polyol;
• adding the second catalyst metal precursor solution to the mixture of the first catalyst metal precursor solution and the graphite based catalyst carrier solution, titrating a pH of the resulting mixture, and then heating and cooling the resulting mixture;
• and
• filtrating, cleaning, and drying the resulting mixture.

A supported catalyst for a fuel cell, comprising:

• a graphite based catalyst carrier;
• acid treated first catalyst metal particles adsorbed on the surface of the graphite based catalyst carrier;
• and
• acid treated second catalyst metal particles dotting a surface of the first catalyst metal particles.