Preparation and Properties of New Anode Material Pt-Ru/CMK-3

Acta Chimica Sinica ›› 2007, Vol. 65 ›› Issue (12): 1117-1122. Previous Articles Next Articles

Original Articles

新型阳极材料Pt-Ru/CMK-3的制备与性能研究

曹洁明*^,1, 吴伟¹, 陈煜², 刘劲松¹, 曹喻霖¹, 何建平¹, 唐亚文², 杨春², 陆天虹²

(¹南京航空航天大学材料科学与技术学院南京 210016)
(²南京师范大学化学系南京 210097)

投稿日期:2006-06-05 修回日期:2006-09-15 发布日期:2007-06-28
通讯作者: 曹洁明

Preparation and Properties of New Anode Material Pt-Ru/CMK-3

CAO Jie-Ming*^,1; WU Wei¹; CHEN Yu²; LIU Jing-Song¹; CAO Yu-Lin¹; HE Jian-Ping¹; TANG Ya-Wen²; YANG Chun²; LU Tian-Hong²

(¹ College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016)
(²Department of Chemistry, Nanjing Normal University, Nanjing 210097)

Received:2006-06-05 Revised:2006-09-15 Published:2007-06-28
Contact: CAO Jie-Ming

Abstract

High-alloying Pt-Ru solid solution was firstly prepared by complexing reaction and uniformly dispersed on rigid ordered mesoporous carbon CMK-3 to form the two-element compound catalysts. XRD patterns show that Pt atoms with f.c.c structure are almost replaced by Ru atoms with h.c.p structure. XRD, TEM and nitrogen adsorption isotherm measurements indicate that the average diameter was 3.2 nm with uniform size. The electrocatalytic activity of Pt-Ru/CMK-3 for the ethanol oxidation is studied and compared with that of Pt-Ru/XC-72 of E-TEK congeneric catalyst. The results show that the catalyst of Pt-Ru/CMK-3 possesses bigger electrocatalytic activity area, and the electrocatalytic activity for the oxidation of methanol and the ability of resisting CO poison exceed the same kind of catalysts because of the appropriate extent of alloying and average particle diameter.

Key words: DMFC, Pt-Ru/CMK-3, complexing reaction, mesoporous material, electrocatalytic for oxidation of methanol

Cite this article

CAO Jie-Ming*^,1; WU Wei; CHEN Yu²; LIU Jing-Song; CAO Yu-Lin; HE Jian-Ping; TANG Ya-Wen²; YANG Chun²; LU Tian-Hong². Preparation and Properties of New Anode Material Pt-Ru/CMK-3[J]. Acta Chimica Sinica, 2007, 65(12): 1117-1122.

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新型阳极材料Pt-Ru/CMK-3的制备与性能研究

Preparation and Properties of New Anode Material Pt-Ru/CMK-3

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