Simple synthesis of platinum-palladium nanoflowers on reduced graphene oxide and their enhanced catalytic activity for oxygen reduction reaction

被引：29
作者：
Lv, Jing-Jing [1 ]
Zheng, Jie-Ning [1 ]
Zhang, Hong-Bao [1 ]
Lin, Meng [1 ]
Wang, Ai-Jun [1 ]
Chen, Jian-Rong [1 ]
Feng, Jiu-Ju [1 ]
机构：
[1] Zhejiang Normal Univ, Coll Chem & Life Sci, Coll Geog & Environm Sci, Jinhua 321004, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2014年 / 269卷
基金：
中国国家自然科学基金;
关键词：
Nanoflowers; Reduced graphene oxide; Oxygen reduction reaction; Electrocatalysis; CORE-SHELL NANOPARTICLES; ELECTROCATALYTIC ACTIVITY; FACILE SYNTHESIS; CARBON NANOTUBES; PD; METHANOL; ELECTROOXIDATION; NANODENDRITES; NANOSTRUCTURES; PERFORMANCE;
D O I：
10.1016/j.jpowsour.2014.06.149
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：
A simple and rapid one-pot wet-chemical method is developed for large-scale preparation of reduced graphene oxide nanosheets supporting Pt-Pd nanoflowers (Pt-Pd NFs/RGOs) using hydrazine hydrate as a reducing agent, without any seed, template, organic solvent, or special apparatus. The coexistence of sodium nitrite (NaNO2) and poly(vinyl pyrrolidone) (PVP), and their amounts are essential for synthesis of flower-like nanostructures. Besides, Pt-Pd NFs/RGOs have higher catalytic activity and better durability for oxygen reduction reaction, compared with commercial Pt-C (50 wt %). (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：136 / 143
页数：8
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