Palladium nanocubes enclosed by (100) planes as electrocatalyst for alkaline oxygen electroreduction

被引：33
作者：
Lee, Chien-Liang [1 ]
Chiou, Hsueh-Ping [1 ]
Liu, Chia-Ru [1 ]
机构：
[1] Natl Kaohsiung Univ Appl Sci, Dept Chem & Mat Engn, Kaohsiung 807, Taiwan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 05期
关键词：
Electrocatalyst; Nanobox; REDUCTION REACTION; ACID-MEDIA; NANOPARTICLES; PD;
D O I：
10.1016/j.ijhydene.2011.11.118
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：
Palladium nanocubes (27, 48, and 63 nm) composed of (100) planes were successfully synthesized for use in oxygen electroreduction in 1-M NaOH electrolyte. The results (at -0.1 V vs. Ag/AgCl) of a rotating ring-disk electrode measurement showed that the specific activities of the 27-, 48-, and 63-nm Pd nanocubes were 3.05 x 10(-2), 3.41 x 10(-2), and 2.44 x 10(-2) mA cm(-2), respectively. 48 nm Pd nanocubes exhibited the higher activity than larger nanocubes and 9 nm Pd nanoparticles, where the specific activity of nanoparticles was 2.16 x 10(-2) mA cm(-2). Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3993 / 3997
页数：5
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