Porous dendritic PtRuPd nanospheres with enhanced catalytic activity and durability for ethylene glycol oxidation and oxygen reduction reactions

被引：113

作者：

Duan, Jiao-Jiao ^{[1
]}

Zheng, Xiao-Xuan ^{[1
]}

Niu, Hua-Jie ^{[1
]}

Feng, Jiu-Ju ^{[1
]}

Zhang, Qian-Li ^{[2
]}

Huang, Hong ^{[3
]}

Wang, Ai-Jun ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Coll Chem & Life Sci, Coll Geog & Environm Sci, Key Lab,Minist Educ Adv Catalysis Mat, Jinhua 321004, Zhejiang, Peoples R China

[2] Suzhou Univ Sci & Technol, Sch Chem & Biol Engn, Suzhou 215009, Peoples R China

[3] Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2020年 / 560卷

关键词：

Dendritic nanospheres; Ethylene glycol oxidation reaction; Oxygen reduction reaction; Hexadecylpyridinium chloride; Electrocatalysis; REDUCED GRAPHENE OXIDE; ONE-POT SYNTHESIS; WET-CHEMICAL SYNTHESIS; HYDROGEN EVOLUTION; EFFICIENT ELECTROCATALYST; MESOPOROUS NANOSPHERES; SOLVOTHERMAL SYNTHESIS; FACILE FABRICATION; PD-PT; METHANOL;

D O I：

10.1016/j.jcis.2019.10.082

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：

Developing highly active and durable catalyst is of pivotal importance in fuel cells, owing to excessive consumption of fossil fuels. Herein, porous dendritic PtRuPd nanospheres (PtRuPd NSs) were synthesized by a facile hexadecylpyridinium chloride (HDPC)-mediated one-pot aqueous method with ascorbic acid (AA) as the reducing agent. The as-obtained PtRuPd NSs displayed high-efficient catalytic activity and durability for ethylene glycol oxidation reaction (EGOR) and oxygen reduction reaction (ORR). It exhibited enlarged mass activity (MA, 1.368 A mg(-1)) compared to commercial Pt/C (1.100 A mg(-1)) for EGOR. Besides, the onset potential (E-onset, 0.930 V) and half-wave potential (E-1/2, 0.852 V) of PtRuPd NSs were more positive relative to homemade PtPd NSs (0.905 and 0.840 V), PdRu NSs (0.895 and 0.839 V), and commercial Pt/C (0.910 and 0.822 V) toward ORR. This work provides some valuable guidelines for producing novel trimetallic nanocatalysts in fuel cells. (C) 2019 Elsevier Inc. All rights reserved.

引用

页码：467 / 474

页数：8

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