Journal
MATERIALS LETTERS
Volume 190, Issue -, Pages 169-172Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.12.117
Keywords
Nitrogen doped macro/mesoporous carbon materials; Oxygen reduction reaction; Porous materials; Oxygen evolution reaction; Nanoparticles
Funding
- National Natural Science Foundation of China [21476071]
- Shanghai Leading Academic Discipline Project [B502]
- Shanghai Engineering Research Center of Space Engine [13DZ2250600]
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A series of bifunctional electrocatalysts Co/NC-n (n = temperature) consist of three-dimensional (3D) porous nitrogen doped carbon supported Co3O4 via a super simple synthesis. Methyl red is selected as carbon and nitrogen precursor, cobalt (II) acetate as cobalt sources, and silicon sphere as hard-template. The presence of 3D Co3O4/N-doped macro/mesoporous carbon structure can be verified by TEM, XRD and XPS. The unique pore structure, strong confinement effect between Co3O4 core and N-graphitic shell and the high composition of pyridinic nitrogen doping endows Co/NC-800 catalyst excellent oxygen reduction reaction performance and improved oxygen evolution reaction activity to commercial Pt/C catalyst under alkaline environment. (C) 2016 Elsevier B.V. All rights reserved.
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