Bimetal zeolite imidazolate framework derived Mo0.84Ni0.16-Mo2C@NC nanosphere for overall water splitting in alkaline solution

Li，Shunli1; Yang，Zhixiong1; Liu，Zhen1; Ma，Yaping2; Gu，Yu1; Zhao，Long1; Zhou，Qiulan1,3; Xu，Weijian1

2021-06-15

10.1016/j.jcis.2021.02.015

JOURNAL OF COLLOID AND INTERFACE SCIENCE   影响因子和分区

0021-9797

1095-7103

The bifunctional efficient electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are in urgent need for the advanced overall water splitting (OWS) device. Restricted by the thermodynamic limitations of the catalytic active center for OER and the reaction kinetics limitations induced by the structure of the electrocatalysts, the development of OWS catalysts requires more effort. Herein, a porous carbon-based bimetal electrocatalyst of MoNi-MoC@NC nanosphere is prepared by hydrothermal treatment of PMo@PVP@Zn/Ni-ZIF which is synthesized via one-pot self-assembled hydrothermal method. Our study confirms that the Mo-Ni alloy and MoC nanoparticles homogeneously distribute in nitrogen-rich carbon-based materials. Furthermore, the porous structure exposes rich active sites and increases the effective specific area for redox reactions. The obtained MoNi-MoC@NC catalyst requires low overpotentials of 151 and 285 mV to reach a current density of 10 mA cm towards the water reduction and oxidation in 1 M KOH solution, respectively, and possesses good catalytic stability for one day. This work introduces an advanced method for the synthesis of the bimetal electrocatalyst.

Bimetallic zeolite imidazolate framework Overall water splitting Polyoxometalate

SCI ; EI

英语

其他

WOS:000634142400008

20211010053835

Bimetals ; Binary alloys ; Carbon ; Catalytic oxidation ; Electrocatalysts ; Molybdenum alloys ; Nanospheres ; Nickel alloys ; Oxygen evolution reaction ; Porous materials ; Potassium hydroxide ; Reaction kinetics ; Redox reactions ; Zeolites

Metallurgy and Metallography:531 ; Molybdenum and Alloys:543.3 ; Nickel Alloys:548.2 ; Nanotechnology:761 ; Chemical Reactions:802.2 ; Chemical Agents and Basic Industrial Chemicals:803 ; Chemical Products Generally:804 ; Inorganic Compounds:804.2 ; Solid State Physics:933 ; Materials Science:951

CHEMISTRY

2-s2.0-85102022402

Scopus

1.State Key Laboratory for Chemo/Biosensing and Chemometrics,College of Chemistry and Chemical Engineering,Hunan University,Changsha,410082,China
2.Department of Physics,Southern University of Science and Technology,Shenzhen,518005,China
3.Key Laboratory of Mesoscopic Chemistry,School of Chemistry and Chemical Engineering,Nanjing University,Nanjing,210023,China

Li，Shunli,Yang，Zhixiong,Liu，Zhen,et al. Bimetal zeolite imidazolate framework derived Mo0.84Ni0.16-Mo2C@NC nanosphere for overall water splitting in alkaline solution[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2021,592:349-357.

Li，Shunli.,Yang，Zhixiong.,Liu，Zhen.,Ma，Yaping.,Gu，Yu.,...&Xu，Weijian.(2021).Bimetal zeolite imidazolate framework derived Mo0.84Ni0.16-Mo2C@NC nanosphere for overall water splitting in alkaline solution.JOURNAL OF COLLOID AND INTERFACE SCIENCE,592,349-357.

Li，Shunli,et al."Bimetal zeolite imidazolate framework derived Mo0.84Ni0.16-Mo2C@NC nanosphere for overall water splitting in alkaline solution".JOURNAL OF COLLOID AND INTERFACE SCIENCE 592(2021):349-357.