<strong>Fe(Pt, Ru)B</strong>非晶带材脱合金制备纳米多孔<strong>PtRuFe</strong>及其甲醇电催化性能

Fe(Pt, Ru)B非晶带材脱合金制备纳米多孔PtRuFe及其甲醇电催化性能

徐秀月, 李艳辉(

), 张伟

Fabrication of Nanoporous PtRuFe by Dealloying Amorphous Fe(Pt, Ru)B Ribbons and Their Methanol Electrocatalytic Properties

XU Xiuyue, LI Yanhui(

), ZHANG Wei

图4. Fe₆₅Pt_10-_xRu_xB₂₅ (x=0~4)非晶合金带材脱合金后的纳米多孔合金在0.5 mol/L H₂SO₄和0.5 mol/L H₂SO₄+1.0 mol/L CH₃OH混合溶液中的循环伏安曲线，纳米多孔合金的甲醇氧化峰值电流密度(j_f)及正、反扫氧化峰电流密度比值(j_f/j_b)与Ru含量的关系(商用Pt/C数据绘在图中作为对比)

Fig.4. CV curves of nanoporous alloys fabricated by dealloying Fe₆₅Pt_10-_xRu_xB₂₅ (x=0~4) amorphous alloy ribbons in 0.5 mol/L H₂SO₄ (a) and 0.5 mol/L H₂SO₄+1.0 mol/L CH₃OH solutions (b), and peak current density in the forward scan (j_f) and ratio of peak current density in the forward scan to that in the backward scan (j_f/j_b) as a function of Ru content (The data of Pt/C are shown for comparison) (c)