Using Pt sols to prepare low Pt-loading electrodes for polymer electrolyte fuel cells

被引：15

作者：

Khan, Maksudur R.

Lin, Shawn D. ^{[1
]}

机构：

[1] Yuan Ze Univ, Fuel Cell Unit, Chungli 320, Taiwan

[2] Yuan Ze Univ, Dept Chem Engn & Mat Sci, Chungli, Taiwan

来源：

JOURNAL OF POWER SOURCES | 2006年 / 162卷 / 01期

关键词：

Pt sols; Pt loading; electrodes; fuel cells;

D O I：

10.1016/j.jpowsour.2006.07.065

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel platinum electrodes with controllable platinum loadings are prepared by direct deposition of platinum sols prepared with citrate and methanol. No extra treatment is needed except the evaporation of solvent. The platinum particles maintain a size similar to that of the original sols, as indicated by XRD data. The platinum-deposited membrane shows high specific activity and comparable single-cell performance with electrodes prepared from Pt/C catalysts. This electrode preparation method has the advantages of easy preparation and a good control for lowering the platinum-loading. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：186 / 191

页数：6

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