A rational design of bimetallic PdAu nanoflowers as efficient catalysts for methanol oxidation reaction

doi:10.1088/1674-1056/abda2f

中国物理B ›› 2021, Vol. 30 ›› Issue (5): 56102-056102.doi: 10.1088/1674-1056/abda2f

A rational design of bimetallic PdAu nanoflowers as efficient catalysts for methanol oxidation reaction

Jinyang Liu(刘锦阳)¹, Min Wu(武敏)¹, Xinyi Yang(杨新一)^1,†, Juan Ding(丁娟)^2,‡, Weiwei Lei(类伟巍)³, and Yongming Sui(隋永明)¹

1 State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China;
2 Zhuhai College, Jilin University, Zhuhai 519041, China;
3 Institute for Frontier Materials, Deakin University, Geelong, Victoria, 3216, Australia

收稿日期:2020-12-11 修回日期:2020-12-30 接受日期:2021-01-11 出版日期:2021-05-14 发布日期:2021-05-14
通讯作者: Xinyi Yang, Juan Ding E-mail:yangxinyi@jlu.edu.cn;juanding0127@163.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 118740271 and 1774124), Technology Development Program of Jilin Province, China (Grant No. 20180101285JC), and the China Postdoctoral Science Foundation (Grant Nos. 2019T120233 and 2017M621198).

A rational design of bimetallic PdAu nanoflowers as efficient catalysts for methanol oxidation reaction

Jinyang Liu(刘锦阳)¹, Min Wu(武敏)¹, Xinyi Yang(杨新一)^1,†, Juan Ding(丁娟)^2,‡, Weiwei Lei(类伟巍)³, and Yongming Sui(隋永明)¹

1 State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China;
2 Zhuhai College, Jilin University, Zhuhai 519041, China;
3 Institute for Frontier Materials, Deakin University, Geelong, Victoria, 3216, Australia

Received:2020-12-11 Revised:2020-12-30 Accepted:2021-01-11 Online:2021-05-14 Published:2021-05-14
Contact: Xinyi Yang, Juan Ding E-mail:yangxinyi@jlu.edu.cn;juanding0127@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 118740271 and 1774124), Technology Development Program of Jilin Province, China (Grant No. 20180101285JC), and the China Postdoctoral Science Foundation (Grant Nos. 2019T120233 and 2017M621198).

摘要/Abstract

摘要： Methanol fuel cells have been intensively developed as clean and high-efficiency energy conversion system due to their high efficiency and low emission of pollutants. Here, we developed a simple aqueous synthetic method to prepare bimetallic PdAu nanoflowers catalysts for methanol oxidation reaction (MOR) in alkaline environment. Their composition can be directly tuned by changing the ratio between Pd and Au precursors. Compared with commercial Pd/C catalyst, all of the PdAu nanoflowers catalysts show the enhanced catalytic activity and durability. In particular, the PdAu nanoflowers specific activity reached 0.72 mA/cm², which is 14 times that of commercial Pd/C catalyst. The superior MOR activity could be attributed to the unique porous structure and the shift of the d-band center of Pd.

关键词: PdAu alloy, methanol oxidation reaction, catalyst

Abstract: Methanol fuel cells have been intensively developed as clean and high-efficiency energy conversion system due to their high efficiency and low emission of pollutants. Here, we developed a simple aqueous synthetic method to prepare bimetallic PdAu nanoflowers catalysts for methanol oxidation reaction (MOR) in alkaline environment. Their composition can be directly tuned by changing the ratio between Pd and Au precursors. Compared with commercial Pd/C catalyst, all of the PdAu nanoflowers catalysts show the enhanced catalytic activity and durability. In particular, the PdAu nanoflowers specific activity reached 0.72 mA/cm², which is 14 times that of commercial Pd/C catalyst. The superior MOR activity could be attributed to the unique porous structure and the shift of the d-band center of Pd.

Key words: PdAu alloy, methanol oxidation reaction, catalyst

中图分类号: (Metals and alloys)

61.82.Bg

88.30.pf (Direct methanol fuel cells) 82.45.Jn (Surface structure, reactivity and catalysis)

Jinyang Liu(刘锦阳), Min Wu(武敏), Xinyi Yang(杨新一), Juan Ding(丁娟), Weiwei Lei(类伟巍), and Yongming Sui(隋永明). A rational design of bimetallic PdAu nanoflowers as efficient catalysts for methanol oxidation reaction[J]. 中国物理B, 2021, 30(5): 56102-056102.

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A rational design of bimetallic PdAu nanoflowers as efficient catalysts for methanol oxidation reaction

A rational design of bimetallic PdAu nanoflowers as efficient catalysts for methanol oxidation reaction

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