Fabrication of Nanoporous Pt by Electrochemical Alloying and Dealloying with Li

被引：8

作者：

Nishio, Kazuyuki ^{[1
]}

Yoshida, Masahiro ^{[1
]}

Masuda, Hideki ^{[1
]}

机构：

[1] Tokyo Metropolitan Univ, Grad Sch Urban Environm Sci, Dept Appl Chem, Tokyo 1920397, Japan

来源：

ECS ELECTROCHEMISTRY LETTERS | 2013年 / 2卷 / 11期

关键词：

FILMS;

D O I：

10.1149/2.007311eel

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nanoporous Pt was fabricated by electrochemical alloying and dealloying of Pt with Li in a nonaqueous electrolyte at room temperature. The cycling of alloying and dealloying of Pt electrode with Li yielded porous Pt layer with a large specific surface area of 183. The coulombic efficiency for alloying and dealloying was ca. 80%, indicating residual Li in Pt after the dealloying. However, cyclic voltammograms showed no current peak caused by residual Li. This result suggests that Li forms a stable phase with Pt and has no effect on the electrochemical properties of the Pt electrode. (C) 2013 The Electrochemical Society. All rights reserved.

引用

页码：C43 / C45

页数：3

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