以碳粉(VulcanXC-72R)和碳纳米管为载体,通过浸渍-还原法分别制备出了Pt及Pt-Co合金催化剂用于NaBH4-H2O2燃料电池的阴极H2O2还原.利用XRD技术对催化剂的晶体结构进行表征,并对催化剂进行了循环伏安、线性扫描伏安测试.结果表明:纯Pt h和Pt-Co合金均为面心立方结构,Co的引入可有效提高催化剂的活性;相对于纯Pt催化剂,Pt-Co合金的催化活性受载体的影响较大.无论以碳粉还是碳纳米管为载体,Pt10％-Co15％的Pt-Co合金催化剂峰电流最大,峰电位最高,催化性能最好.
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