Crack-tips enriched platinum-copper superlattice nanoflakes as highly efficient anode electrocatalysts for direct methanol fuel cells

Lijun Zheng; Dachi Yang; Rong Chang; Chengwen Wang; Gaixia Zhang; Shuhui Sun

doi:10.1039/c7nr02570j

Crack-tips enriched platinum-copper superlattice nanoflakes as highly efficient anode electrocatalysts for direct methanol fuel cells

Nanoscale. 2017 Jul 6;9(26):8918-8924. doi: 10.1039/c7nr02570j.

Authors

Lijun Zheng¹, Dachi Yang, Rong Chang, Chengwen Wang, Gaixia Zhang, Shuhui Sun

Affiliation

¹ Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, P. R. China. yangdachi@nankai.edu.cn.

PMID: 28642953
DOI: 10.1039/c7nr02570j

Abstract

We have developed "crack-tips" and "superlattice" enriched Pt-Cu nanoflakes (NFs), benefiting from the synergetic effects of "crack-tips" and "superlattice crystals"; the Pt-Cu NFs exhibit 4 times higher mass activity, 6 times higher specific activity and 6 times higher stability than those of the commercial Pt/C catalyst, respectively. Meanwhile, the Pt-Cu NFs show more enhanced CO tolerance than the commercial Pt/C catalyst.