Co nanoparticles/N-doped carbon nanotubes: Facile synthesis by taking Co-based complexes as precursors and electrocatalysis on oxygen reduction reaction

被引:0
作者
Bao, Feng [1 ]
Hu, Chunyan [1 ]
Huang, Yankun [1 ]
Liu, Huichao [1 ]
Zhu, Tang [1 ]
Cong, Guangtao [1 ]
Yu, Jiali [1 ]
Zhu, Caizhen [1 ]
Xu, Jian [1 ]
Ji, Muwei [2 ]
机构
[1] Shenzhen Univ, Coll Chem & Environm Engn, Inst Low Dimens Mat Genome Initiat, Shenzhen 518060, Guangdong, Peoples R China
[2] Shantou Univ, Coll Sci, Dept Chem, Shantou 515063, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Co nanoparticle; Co-complexes; N-doped Carbon nanotube; Electrocatalysis; Oxygen reduction reaction; HIGH-PERFORMANCE ELECTROCATALYSTS; EVOLUTION REACTION; EFFICIENT ELECTROCATALYST; CATALYSTS; GRAPHENE; ZN; IRON; NITRIDE; HYBRIDS;
D O I
暂无
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
Carbon based non-precious metals and carbon-based materials have been widely demonstrated as promising electrocatalysts on oxygen reduction reaction. Nevertheless, how to control synthesize electrocatalysts effectively by employing a general path is still a great challenge. In this paper, we propose a facile strategy to grow Co nanoparticles/N-doped carbon nanotube hetero-structure from Co-based complexes with excellent electrocatalytic activity. By using different ligands (oleylamine, p-phenylenediamine, and 2-methylimidazole), Co-based complexes or metal-organic framework with the special morphologies were prepared and taken as templates for the Co nanoparticles/N-doped carbon nanotubes growing at high temperature. The as-prepared Co nanoparticles/N-doped carbon nanotubes perform high activity and excellent capacity on the electrocatalysis of oxygen reduction reaction. The onset potential and half-wave potential is measured as 0.92 V-RHE and 0.84 V-RHE respectively, which is very closed to the performance of commercial Pt/C(20%). Besides, the different Cocomplexes with special morphologies are used as template for growing N-doped carbon nanotubes encapsulated Co nanoparticles and their corresponding electrocatalysis shows that the as-prepared Co nanoparticles/N-doped carbon nanotubes performance high capabilities on electrocatalysis of oxygen reduction reaction. The facile strategy for growing N-doped carbon nanotubes provides a possibility path to fabricate electrode on different substrate with excellent performance.
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页数:10
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