通过电化学合成前驱体和溶胶-凝胶法在Ti表面修饰一层纳米TiO2膜,在纳米TiO2膜上电沉积分散的Pt微粒制成钛基纳米TiO2-Pt(Ti/nano-TiO2-Pt)修饰电极. 采用循环伏安法、间接电氧化法研究了纳米TiO2-Pt修饰电极的电催化活性以及Mn3+/Mn2+媒质氧化甘油为甘油醛的过程. 结果表明,纳米TiO2-Pt修饰电极对Mn2+的电氧化具有高催化活性,电流效率可达90%以上,非均相电解得到的Mn3+可一步氧化甘油为甘油醛,收率为91%.
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