Cu nanoparticles supported on graphitic carbon nitride as an efficient electrocatalyst for oxygen reduction reaction

doi:10.1016/S1872-2067(17)62764-5

Abstract

Abstract:

High active and cost-effective electrocatalysts for the oxygen reduction reaction (ORR) are essential components of renewable energy technologies, such as fuel cells and metal/air batteries. Herein, we propose that ORR active Cu/graphitic carbon nitride (Cu/g-CN) electrocatalyst can be prepared via a facile hydrothermal reaction in the present of the ionic liquid (IL) bis(1-hexadecyl-3- methylimidazolium) tetrachlorocuprate [(C₁₆mim)₂CuCl₄] and protonated g-CN. The as-prepared Cu/g-CN showed an impressive ORR catalytic activity that a 99 mV positive shift of the onset potential and 2 times kinetic current density can be clearly observed, comparing with the pure g-CN. In addition, the Cu/g-CN revealed better stability and methanol tolerance than commercial Pt/C (HiSPECTM 3000, 20%). Therefore, the proposed Cu/g-CN, as the inexpensive and efficient ORR electrocatalyst, would be a potential candidate for application in fuel cells.

Key words: Oxygen reduction reaction, Graphitic carbon nitride, Nanoparticle, Electrocatalyst, Ionic liquid

Henan Li, Yanan Xu, Hansinee Sitinamaluwa, Kimal Wasalathilake, Dilini Galpaya, Cheng Yan. Cu nanoparticles supported on graphitic carbon nitride as an efficient electrocatalyst for oxygen reduction reaction[J]. Chinese Journal of Catalysis, 2017, 38(6): 1006-1010.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(17)62764-5

https://www.cjcatal.com/EN/Y2017/V38/I6/1006

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