采用金溶胶负载法分别在CNTs、Vxc-72R炭黑和ECP 600JD科琴炭黑上负载了平均粒径约为5.0nm且尺寸分布均匀的纳米金颗粒,考察了酸处理对炭载体的影响及不同Au/C催化剂对BH4-电催化活性的影响.结果显示:经过酸处理三种炭载体的表面亲水性提高,其中CNTs的BET比表面积提高,而Vxc-72R和ECP 600JD的BET比表面积降低.炭载体负载纳米Au的能力与其BET比表面积密切相关.对炭载体进行酸处理可大幅度提高Au/C催化剂对BH4-的电催化性能,其中金负载在经酸处理的ECP 600JD炭黑上显示出最佳的电催化性能.
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