Highly stable electrocatalysts supported on nitrogen-self-doped three-dimensional graphene-like networks with hierarchical porous structures. Issue 4 (1st December 2014)

• Record Type: Journal Article
• Authors: Cheng, Juhong; Li, Yunyong; Huang, Xiangdong; Wang, Qingquan; Mei, Ao; Shen, Pei Kang
• Is Part Of: Journal of materials chemistry. Volume 3:Issue 4(2015)
• Page Start: 1492
• Page End: 1497
• Publication Date: 2014-12-01
• Subjects: Materials -- Research -- Periodicals; Chemistry, Analytic -- Periodicals; Environmental sciences -- Research -- Periodicals; 543.0284
• DOI: 10.1039/c4ta05552g
• Languages: English
• ISSNs: 2050-7488

Abstract

Abstract : Pt nanoparticles anchored on nitrogen-self-doped three-dimensional graphene-like networks (Pt/N-3D GNs) exhibit enhanced ORR performance and are highly stable. Abstract : The nitrogen-self-doped three-dimensional graphene-like networks (N-3D GNs) with suitable surface areas and hierarchical porous structures have been synthesized by an improved ion-exchange/activation method. The Pt nanoparticles supported on N-3D GNs give more than double mass activity and almost no degradation in surface area after 5000 cycles compared with a commercial Pt/C catalyst. The results demonstrate that the improvement in the support can reach 2.6 times the catalytic activity. This strategy is a direct way to reduce the catalyst cost and make the practical application of the catalyst a reality.