Ultrathin 2D nanosheet based 3D hierarchical hollow polyhedral CoM/C (M = Ni, Cu, Mn) phosphide nanocages as superior electrocatalysts toward oxygen evolution reaction

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境化学与生态毒理学国家重点实验室

	Ultrathin 2D nanosheet based 3D hierarchical hollow polyhedral CoM/C (M = Ni, Cu, Mn) phosphide nanocages as superior electrocatalysts toward oxygen evolution reaction
	Li, Guolian; Zhang, Xiaobing; Zhang, He
刊名	CHEMICAL ENGINEERING JOURNAL
	2020-11-01
卷号	398 页码:1-9
关键词	Hierarchical hollow nanocage Ultrathin nanosheet Homobimetallic phosphide Synergistic enhancement Oxygen evolution reaction
ISSN号	1385-8947
英文摘要	Metal phosphide materials with unique nanostructures are of great interest for electrocatalysis. Herein, an ion-induction strategy is developed to synthesize a family of carbon incorporated homobimetallic (CoNi/C, CoCu/C, CoMn/C) phosphide electrocatalyst of hierarchical hollow polyhedral nanocages (HHPNCs) composed of ultrathin 2D subunits. The unique morphological structure effectively optimize the surface active sites, accelerate the charge transfer, and thus boost their superior catalytic activity. Density functional theory calculations reveal that not only the homogenously doped secondary metals but also the incorporated carbon effectively regulates the electronic structure and as a result collaboratively lower the kinetic energy barrier for the OER. Electrochemical measurements show high OER efficiency (eta@10 mA cm(-2) = 267, 262, and 283 mV for samples of CoNi/C-, CoMn/C-, and CoCu/C-HHPNC, respectively) and durability in alkaline electrolytes. Especially, the prepared carbon incorporated homobimetallic HHPNCs show very much higher (almost 9 times) mass activity than the particle counterpart.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/44846]
专题	生态环境研究中心_环境化学与生态毒理学国家重点实验室
推荐引用方式 GB/T 7714	Li, Guolian,Zhang, Xiaobing,Zhang, He. Ultrathin 2D nanosheet based 3D hierarchical hollow polyhedral CoM/C (M = Ni, Cu, Mn) phosphide nanocages as superior electrocatalysts toward oxygen evolution reaction[J]. CHEMICAL ENGINEERING JOURNAL,2020,398:1-9.
APA	Li, Guolian,Zhang, Xiaobing,&Zhang, He.(2020).Ultrathin 2D nanosheet based 3D hierarchical hollow polyhedral CoM/C (M = Ni, Cu, Mn) phosphide nanocages as superior electrocatalysts toward oxygen evolution reaction.CHEMICAL ENGINEERING JOURNAL,398,1-9.
MLA	Li, Guolian,et al."Ultrathin 2D nanosheet based 3D hierarchical hollow polyhedral CoM/C (M = Ni, Cu, Mn) phosphide nanocages as superior electrocatalysts toward oxygen evolution reaction".CHEMICAL ENGINEERING JOURNAL 398(2020):1-9.