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author:

Shao, Yanqun (Shao, Yanqun.) [1] (Scholars:邵艳群) | Lu, Fenghua (Lu, Fenghua.) [2] | Guo, Haiyan (Guo, Haiyan.) [3] | Tang, Dian (Tang, Dian.) [4] (Scholars:唐电) | Huang, Shizhen (Huang, Shizhen.) [5] (Scholars:黄世震)

Indexed by:

CPCI-S SCIE

Abstract:

RuIrO2/Ti coating is considered a prospective anode with a high anticorrosive property for some electrochemical industries of oxygen evolution reaction (OER). A series of anode coatings RuxIr1-xO2 (x = 1, 0.7, 0.5, 0.3, and 0) were deposited onto titanium substrate (TA2) by a Pechini method using commercial IrCl3 center dot 3H(2)O and RuCl3 center dot 3H(2)O as source chemicals. The prepared samples were heat treated at 450 degrees C for 1 hr. The phase structures, crystal sizes, microstructures and morphologies were analyzed by XRD and TEM techniques. The diffractograms revealed well defined crystalline structures, showing the different peaks of the rutilic phase that was common to both Ru and Ir oxides for RuxIr1-xO2 (x = 0.7, 0.5, 0.3 and 0) because the lattice parameters for RuO2 and IrO2 are rather similar. A great amount of Metallic Ru could be detected in the coating without Ir (x = 1). The finest average size of roughly 6-7 nm was observed in the coating with RuxIr1-xO2 (x = 0.7, 0.5, 0.3 and 0). The crystal size remained constant for 0 < x < 0.7 whereas the crystallite size of Ru increased to 20 nm and a small quantity of RuO2 increased to 10nm for x = 1. The anticorrosion property increased with increasing IrO2. However, the accelerated test performed at 2000 mA cm(-2) in 2M H2SO4 showed the longer life-time was obtained using Ru0.3Ir0.7O2/Ti.

Keyword:

accelerated life electrocatalysis pechini method RuxIr1-xO2 Coating

Community:

  • [ 1 ] [Shao, Yanqun]Fuzhou Univ, Inst Mat Res, Fuzhou 350108, Peoples R China
  • [ 2 ] [Lu, Fenghua]Fuzhou Univ, Inst Mat Res, Fuzhou 350108, Peoples R China
  • [ 3 ] [Guo, Haiyan]Fuzhou Univ, Inst Mat Res, Fuzhou 350108, Peoples R China
  • [ 4 ] [Tang, Dian]Fuzhou Univ, Inst Mat Res, Fuzhou 350108, Peoples R China
  • [ 5 ] [Huang, Shizhen]Fuzhou Univ, Fujian Key Lab Microelect & Integrate Circuit, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • 邵艳群

    [Shao, Yanqun]Fuzhou Univ, Inst Mat Res, Fuzhou 350108, Peoples R China

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Source :

INTEGRATED FERROELECTRICS

ISSN: 1058-4587

Year: 2012

Volume: 138

Page: 65-70

0 . 3 7 5

JCR@2012

0 . 7 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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