An electrode for a fuel cell, the electrode comprising a catalyst layer comprising a catalyst and at least one selected from the group consisting of a first benzoxazine monomer represented by Formula 1 below, a second benzoxazine monomer represented by Formula 2 below, a a mixture thereof, a homopolymer consisting of the first benzoxazine monomer, a homopolymer consisting of the second benzoxazine monomer, and a copolymer consisting of the first and second benzoxazine monomers; wherein Formula 1 is wherein Formula 2 is wherein: R 1, R 2, R 3, and R 4 are each independently hydrogen, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C2-C20 heteroaryl group, a substituted or unsubstituted C4-C20 cycloalkyl group, or a substituted or unsubstituted C2-C20 heterocyclic group, a halogen atom, a hydroxy group, and a cyano group; R 5 is a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 arylalkyl group, a substituted or unsubstituted C2-C20 heteroaryl group, a substituted or unsubstituted C2-C20 heteroarylalkyl group, a substituted or unsubstituted C4-C20 carbocyclic group, a substituted or unsubstituted C4-C20 carbocyclic alkyl group, a substituted or unsubstituted C2-C20 heterocyclic group, and a substituted or unsubstituted C2-C20 heterocyclic alkyl group; R 6 is selected from the group consisting of a substituted or unsubstituted C1-C20 alkylene group, a substituted or unsubstituted C2-C20 alkenylene group, a substituted or unsubstituted C2-C20 alkynylene group, a substituted or unsubstituted C6-C20 arylene group, a substituted or unsubstituted C2-C20 heteroarylene group, - C(=O)-, and -SO 2 -; and wherein in Formula 1, at least one of R 1, R 2, R 3, R 4, and R 5 is fluorine or a fluorine-containing functional group, and wherein in Formula 2, at least one of R 5 and R 6 is fluorine or a fluorine-containing functional group. R 1, R 2, R 3, and R 4 are each independently hydrogen, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C2-C20 heteroaryl group, a substituted or unsubstituted C4-C20 cycloalkyl group, or a substituted or unsubstituted C2-C20 heterocyclic group, a halogen atom, a hydroxy group, and a cyano group; R 5 is a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 arylalkyl group, a substituted or unsubstituted C2-C20 heteroaryl group, a substituted or unsubstituted C2-C20 heteroarylalkyl group, a substituted or unsubstituted C4-C20 carbocyclic group, a substituted or unsubstituted C4-C20 carbocyclic alkyl group, a substituted or unsubstituted C2-C20 heterocyclic group, and a substituted or unsubstituted C2-C20 heterocyclic alkyl group; R 6 is selected from the group consisting of a substituted or unsubstituted C1-C20 alkylene group, a substituted or unsubstituted C2-C20 alkenylene group, a substituted or unsubstituted C2-C20 alkynylene group, a substituted or unsubstituted C6-C20 arylene group, a substituted or unsubstituted C2-C20 heteroarylene group, - C(=O)-, and -SO 2 -; and