电位置换反应在空心结构Pt基燃料电池纳米催化剂中的研究进展
Hollow Pt-Based Nanocatalysts Synthesized through Galvanic Replacement Reaction for Application in Proton Exchange Membrane Fuel Cells
电位置换反应在空心结构Pt基燃料电池纳米催化剂中的研究进展 |
| 杨翼,罗来明,杜娟娟,张荣华,代忠旭,周新文 |
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Hollow Pt-Based Nanocatalysts Synthesized through Galvanic Replacement Reaction for Application in Proton Exchange Membrane Fuel Cells |
| Yi YANG,Lai-Ming LUO,Juan-Juan DU,Rong-Hua ZHANG,Zhong-Xu DAI,Xin-Wen ZHOU |
| 图4 (A)空心海胆状纳米金(HNU)的SEM (a)和TEM (c)图，空心结构PtAu的SEM (b)和TEM (d)图，PtAu的EDX图(e)；(B) Pt/C、铂黑、PtAu催化剂在(a) 0.1 mol·L-1 HClO4和(c) 0.1 mol·L-1 HClO4 + 0.5 mol·L-1 CH3OH中的CV曲线，五种催化剂电化学活性面积(b) (ECSA)及催化活性对比(d) |
| Fig 4 (A) SEM (a) and TEM (c) images of Au hollow nanourchin (HNU), SEM (b) and TEM (d) images of PtAu HNUs, EDX mapping (e) of PtAu HNU; (B) CV curves obtained for the Pt black, Pt/C, and PtAu HNUs in (a) 0.1 mol·L-1 HClO4 and (c) 0.1 mol·L-1 HClO4 + 0.5 mol·L-1 CH3OH; electrochemical surface area (ECSA) (b) and specific activity and mass activity of the five catalysts (d) |
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