Surface-Modified Porous Carbon Nitride Composites as Highly Efficient Electrocatalyst for Zn-Air Batteries
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
Detail(s)
Original language | English |
---|---|
Article number | 1701642 |
Journal / Publication | Advanced Energy Materials |
Volume | 8 |
Issue number | 1 |
Online published | 14 Sep 2017 |
Publication status | Published - 5 Jan 2018 |
Externally published | Yes |
Link(s)
Abstract
Porous carbon nitride (PCN) composites are fabricated using a top-down strategy, followed by additions of graphene and CoSx nanoparticles. This subsequently enhances conductivity and catalytic activity of PCN (abbreviated as CoSx@PCN/rGO) and is achieved by one-step sulfuration of PCN/graphene oxides (GO) composite materials. As a result, the as-prepared CoSx@PCN/rGO catalysts display excellent activity and stability toward both oxygen evolution and reduction reactions, surpassing electrocatalytic performance shown by state-of-the-art Pt, RuO2 and other carbon nitrides. Remarkably, the CoSx@PCN/rGO bifunctional activity allows for applications in zinc-air batteries, which show better rechargeability than Pt/C. The enhanced catalytic performance of CoSx@PCN/rGO can primarily be attributed to the highly porous morphology and sufficiently exposed active sites that are favorable for electrocatalytic reactions.
Research Area(s)
- carbon nitride, oxygen evolution reaction, oxygen reduction reaction, porous materials, Zn-air batteries
Citation Format(s)
Surface-Modified Porous Carbon Nitride Composites as Highly Efficient Electrocatalyst for Zn-Air Batteries. / Niu, Wenhan; Li, Zhao; Marcus, Kyle; Zhou, Le; Li, Yilun; Ye, Ruquan; Liang, Kun; Yang, Yang.
In: Advanced Energy Materials, Vol. 8, No. 1, 1701642, 05.01.2018.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review