Bioinspired one-pot fabrication of triple-layered Rh@Co@Pt-skin core-shell nanodendrites: A highly active and durable electrocatalyst towards oxygen reduction reaction

被引：22

作者：

Wang, Xiao-Yu ^{[1
]}

Feng, Jiu-Ju ^{[1
]}

Zhang, Lu ^{[1
]}

Luo, Xiliang ^{[2
]}

Zhang, Qian-Li ^{[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] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Key Lab Sensor Anal Tumor Marker, Minist Educ, Qingdao 266042, Shandong, Peoples R China

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

来源：

ELECTROCHIMICA ACTA | 2019年 / 321卷

基金：

中国国家自然科学基金;

关键词：

Triple-layered core-shell nanodendrites; Creatinine; Oxygen reduction reaction; Advanced electrocatalysts; HYDROGEN EVOLUTION; EFFICIENT ELECTROCATALYSTS; FACILE SYNTHESIS; ALLOY; NANOPARTICLES; ULTRATHIN; OXIDATION; NI; ASSEMBLIES; NANOSHEETS;

D O I：

10.1016/j.electacta.2019.134660

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Pt-based nanodentries (NDs) have received substantial interest in catalysis because of their superior catalytic features. Herein, triple-layered Rh@Co@Pt-skin core-shell NDs (Rh@Co@Pt-skin NDs) were obtained by successive co-reduction of the Rh, Co and Pt salts in oleylamine (OAm) with the assistance of creatinine and cetyltrimethylammonium chloride (CTAC). The Rh@Co@Pt-skin NDs exhibited remarkable increase in the catalytic characters such as the more positive onset potential (E-onset) and the greater mass activity (MA) towards oxygen reduction reaction (ORR) than commercial Pt/C, homemade PtCo nano-particles (NPs), CoRh nanoflowers (NEs) and PtRh NDs. This work provides some novel insights for synthesis of advanced nanoassemblies as efficient and robust electrocatalysts in fuel cells. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页数：9

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