TY - JOUR
T1 - Interface Engineering of Ni3N@Fe3N Heterostructure Supported on Carbon Fiber for Enhanced Water Oxidation
AU - Huang, Huawei
AU - Yu, Chang
AU - Han, Xiaotong
AU - Li, Shaofeng
AU - Cui, Song
AU - Zhao, Changtai
AU - Huang, Hongling
AU - Qiu, Jieshan
N1 - Generated from Scopus record by KAUST IRTS on 2023-09-21
PY - 2017/12/6
Y1 - 2017/12/6
N2 - Oxygen-evolution reaction (OER), a kinetically sluggish half-reaction involved in water splitting, generally needs large overpotentials to drive the catalytic process, leading to relatively low energy conversion efficiency. Therefore, the development of efficient, low-cost, and stable electrocatalysts based on earth abundant elements is highly desired. Herein, we develop a novel method to construct Ni3N@Fe3N heterostructure anchored on carbon fiber (Ni3N@Fe3N/CF-6) consisting of Fe3N nanoparticles grafted on the metallic Ni3N nanosheets. The results show that of the as-synthesized electrocatalysts, the Ni3N@Fe3N/CF-6 features abundantly exposed interface and active sites, as well as open structure for intimate contact of electrolyte ions and easy release of generated gas. Hence, this Ni3N@Fe3N/CF-6 exhibits a great enhanced OER electrocatalytic performance, including overpotentials as low as 294 mV to achieve a current density of 10 mA cm-2, a small Tafel slope of 40 mV dec-1, and a superior stability at a large current density.
AB - Oxygen-evolution reaction (OER), a kinetically sluggish half-reaction involved in water splitting, generally needs large overpotentials to drive the catalytic process, leading to relatively low energy conversion efficiency. Therefore, the development of efficient, low-cost, and stable electrocatalysts based on earth abundant elements is highly desired. Herein, we develop a novel method to construct Ni3N@Fe3N heterostructure anchored on carbon fiber (Ni3N@Fe3N/CF-6) consisting of Fe3N nanoparticles grafted on the metallic Ni3N nanosheets. The results show that of the as-synthesized electrocatalysts, the Ni3N@Fe3N/CF-6 features abundantly exposed interface and active sites, as well as open structure for intimate contact of electrolyte ions and easy release of generated gas. Hence, this Ni3N@Fe3N/CF-6 exhibits a great enhanced OER electrocatalytic performance, including overpotentials as low as 294 mV to achieve a current density of 10 mA cm-2, a small Tafel slope of 40 mV dec-1, and a superior stability at a large current density.
UR - https://pubs.acs.org/doi/10.1021/acs.iecr.7b03351
UR - http://www.scopus.com/inward/record.url?scp=85037721922&partnerID=8YFLogxK
U2 - 10.1021/acs.iecr.7b03351
DO - 10.1021/acs.iecr.7b03351
M3 - Article
SN - 1520-5045
VL - 56
SP - 14245
EP - 14251
JO - Industrial and Engineering Chemistry Research
JF - Industrial and Engineering Chemistry Research
IS - 48
ER -