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Pt-W/GC的制备及其对甲醇的电催化氧化
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作者 罗宿星 廖钫 何晓英 《西华师范大学学报(自然科学版)》 2006年第1期67-70,共4页
运用循环伏安法在玻碳电极上修饰了铂和铂钨合金,研究了该电极对甲醇的电催化氧化行为.结果表明,H2PtC l6与Na2WO4浓度比为6∶1时,制得的Pt-W/GC表现出较高催化活性,其催化活性还与沉积温度和载量有关,与Pt/GC相比,Pt-W/GC的氧化峰电流... 运用循环伏安法在玻碳电极上修饰了铂和铂钨合金,研究了该电极对甲醇的电催化氧化行为.结果表明,H2PtC l6与Na2WO4浓度比为6∶1时,制得的Pt-W/GC表现出较高催化活性,其催化活性还与沉积温度和载量有关,与Pt/GC相比,Pt-W/GC的氧化峰电流密度增加了23.56mA/cm2.最后,简析了反应机理. 展开更多
关键词 循环伏安法 pt-w/gc 甲醇 电催化氧化
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Pt-W/GC对甲醇的电催化氧化及动力学参数的测定 被引量:2
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作者 罗宿星 何晓英 伍远辉 《化学研究与应用》 CAS CSCD 北大核心 2007年第3期297-299,共3页
Glassy carbon(GC) electrode was modified with Pt-W alloy by using cyclic volt-ampere approach.Electrocatalytic oxidation of methanol by Pt-W/GC was studied.The factors which effect catalytic activity of the electrode ... Glassy carbon(GC) electrode was modified with Pt-W alloy by using cyclic volt-ampere approach.Electrocatalytic oxidation of methanol by Pt-W/GC was studied.The factors which effect catalytic activity of the electrode were discussed,for example,different proportions of solution,aggradation temperature and quantity of Pt-W.And the experimental conditions were optimized.In addition,the kinetic parameters of electrocatalytic oxidation of methanol by Pt-W/GC were determined. 展开更多
关键词 Pt—W/gc 电催化氧化 甲醇 循环伏安法 动力学参数
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