Continuous Hydrothermal Flow Synthesis of Co1-xNixFe2O4 (x=0-0.8) Nanoparticles and Their Catalytic Properties for CO Oxidation and Oxygen Evolution Reaction

被引：6

作者：

Xu, Yu ^{[1
]}

Ozcan, Fatih ^{[4
]}

Zielke, Philipp ^{[1
]}

Becker, Stefanie ^{[2
,3
]}

Heimann, Manuel ^{[2
,3
]}

Heese, Justus ^{[2
,3
]}

Chakrapani, Kalapu ^{[2
,3
]}

Behrens, Malte ^{[2
,3
]}

Simonsen, Soren Bredmose ^{[1
]}

Norby, Poul ^{[1
]}

Hendriksen, Peter Vang ^{[1
]}

Kiebach, Ragnar ^{[1
]}

机构：

[1] Tech Univ Denmark Riso Campus, Dept Energy Convers & Storage, Frederiksborgvej 399, DK-4000 Roskilde, Denmark

[2] Univ Duisburg Essen, Fac Inorgan Chem, Univ Str 7, D-45141 Essen, Germany

[3] Univ Duisburg Essen, CENIDE, Univ Str 7, D-45141 Essen, Germany

[4] Max Planck Inst Chem Energy Convers, Stiftstr 34-36, D-45470 Mulheim, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2018年 / 644卷 / 24期

关键词：

Continuous flow synthesis; Hydrothermal; Cobalt; Ferrite; Nanoparticle; CO oxidation; Oxygen evolution reaction; Water splitting; COBALT FERRITE NANOPARTICLES; IN-SITU GROWTH; SUPERCRITICAL WATER; OXIDE NANOPARTICLES; EFFICIENT CATALYST; PARTICLE-SIZE; ACTIVE-SITES; COFE2O4; REDUCTION; CARBON;

D O I：

10.1002/zaac.201800307

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Well-crystallized CoFe2O4 and Ni-substituted Co1-xNixFe2O4 nanoparticles (x = 0.1, 0.3, 0.4, 0.5, 0.6, 0.8) were synthesized by continuous hydrothermal flow synthesis (CHFS). Catalytic properties of the synthesized nanoparticles in the catalytic oxidation of CO and electrochemical oxygen evolution reaction (OER) were studied. A conversion of 50 % in CO was reached at 223 degrees C and 100 % at 310 degrees C when CoFe2O4 prepared by CHFS was used as catalyst. The effect of Ni content on the OER activity of the as-synthesized Co1-xNixFe2O4 did not show a clear trend, however a remarkable improvement of the activity was observed for 30 at % substitution (x = 0.3) in Co0.7Ni0.3Fe2O4.

引用

页码：1727 / 1733

页数：7

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