| 摘要 |
A proton conductor for fuel cells including a hydrophilic block and a hydrophobic block, an electrode for fuel cells employing the same and a fuel cell employing the electrode. The proton conductor, which is phosphoric acid based mono-ester or di-ester including an amphiphilic block, is added during the preparation of catalyst layers, and thus the viscosity of the composition may decrease and the dispersion thereof can be improved. Since the proton conductor has an amphiphilic property, the distribution of phosphoric acid can be effectively controlled. Thus, efficiency of the catalyst is improved, and fuel cells having improved efficiency can be prepared by employing an electrode including the catalyst.
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