中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Porous NiCo2O4 nanostructures as bi-functional electrocatalysts for CH3OH oxidation reaction and H2O2 reduction reaction

文献类型:期刊论文

作者Ding R ; Qi L ; Jia MJ ; Wang HY
刊名electrochimica acta
出版日期2013
卷号113页码:290-301
关键词PEROXIDE FUEL-CELL METHANOL OXIDATION CATALYTIC PERFORMANCE NANOWIRE ARRAYS COBALT OXIDE ELECTROREDUCTION CO3O4 BEHAVIOR CATHODE SURFACE
ISSN号0013-4686
通讯作者ding r
中文摘要porous nickel cobaltite (nico2o4) nanostructures were synthesized via a facile chemical deposition route. their physicochemical properties were characterized via x-ray diffraction (xrd), scanning electron microscopy (sem), transmission electron microscopy (tem), x-ray photoelectron spectra (xps) and nitrogen sorption measurements. their electrocatalytic performances were investigated by cyclic voltammetry (cv), chronoamperometry (ca) and electrochemical impedance spectroscopy (eis) tests. the obtained nico2o4 materials exhibit typical agglomerate porous nanostructures with the specific surface area (ssa) and pore volume of 190.1 m(2) g(-1) and 1.136 cm(3) g(-1) remarkably, the nico2o4 materials exhibit higher electrocatalytic activity, lower overpotential, better stability and greater tolerance compared to those of nio and co3o4 materials synthesized by the same procedure. as for the nico2o4 electrode, a current density of 98 ma cm(-2) was obtained toward ch3oh electro-oxidation at 0.6v in 1 m koh and 0.5 m ch3oh electrolytes, and a current density of 223 ma cm(-2) was achieved toward h2o2 electro-reduction at -0.3 v in 3m naoh and 0.5 m h2o2 electrolytes. moreover, the nico2o4 electrode shows a desirable stability for both electrocatalytic reactions. the impressive electrocatalytic activity is largely attributable to the binary electroactive sites of co and ni species, intrinsic high electronic conductivity and superior porous nanostructures of the nico2o4 electrode, which are very promising for further development of high performance non-pt catalysts alkaline fuel cells (afcs).
收录类别SCI收录期刊论文
语种英语
WOS记录号WOS:000330491500039
公开日期2014-04-15
源URL[http://ir.ciac.jl.cn/handle/322003/49476]  
专题长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式
GB/T 7714
Ding R,Qi L,Jia MJ,et al. Porous NiCo2O4 nanostructures as bi-functional electrocatalysts for CH3OH oxidation reaction and H2O2 reduction reaction[J]. electrochimica acta,2013,113:290-301.
APA Ding R,Qi L,Jia MJ,&Wang HY.(2013).Porous NiCo2O4 nanostructures as bi-functional electrocatalysts for CH3OH oxidation reaction and H2O2 reduction reaction.electrochimica acta,113,290-301.
MLA Ding R,et al."Porous NiCo2O4 nanostructures as bi-functional electrocatalysts for CH3OH oxidation reaction and H2O2 reduction reaction".electrochimica acta 113(2013):290-301.

入库方式: OAI收割

来源:长春应用化学研究所

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