期刊信息
- 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
- 主办： 河北师范大学
- ISSN： 1000-5854
- CN： 13-1061/N
- 中国科技核心期刊
- 中国期刊方阵入选期刊
- 中国高校优秀科技期刊
- 华北优秀期刊
- 河北省优秀科技期刊
Pt-ZrO2/C电催化剂在碱性介质中对乙醇的电氧化
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1. 清华大学化学系, 北京 100084;
2. 石家庄学院化学系, 河北石家庄 050035 -
DOI：
Electro-oxidation of Ethanol on Pt-ZrO2/C Electrocatalyst in Alkaline Media
摘要/Abstract
制备了Pt-ZrO2/C催化剂，采用TEM，XRD等技术对其进行表征。利用循环伏安和电化学阻抗谱等方法研究Pt-ZrO2/C催化剂在碱性溶液中对乙醇氧化的电化学活性，并与Pt/C催化剂(20%Pt，E TEK)进行对比。研究结果表明，Pt-ZrO2/C催化剂具有较高的乙醇电氧化催化活性。电流密度最高的是n(Pt)∶n(ZrO2)为1∶1的样品，该比值为1∶4时显示出最低乙醇氧化峰电势。
Pt-ZrO2/C catalyst was prepared and characterized by TEM and XRD.The electrochemical activity of Pt-ZrO2/C catalyst for ethanol oxidation was investigated by using cyclic voltammetry and electrochemical impedance spectroscopy in alkaline solutions and compared with Pt/C(20 %Pt,ETEK).The results showed that Pt-ZrO2/C gave higher catalytic activity for ethanol electro-oxidation.The highest current density was obtained at Pt-ZrO2/C molar ratio with 1∶1 and the lower peak potential appeared when the Pt-ZrO2/C molar ratio was 1∶4.