Pt/YSZ电极烧制温度对其性能的影响
Effects of Pt/YSZ electrode sintering temperature on its characteristics
查看参考文献23篇
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文摘
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采用交流阻抗测试技术、循环伏安、计时电流和扫描电镜等实验方法, 研究了Pt/YSZ电极烧制温度对其性能的影响.研究表明,随着烧制温度升高,电极过程激活能减小,电极总阻抗和响应时间均先减小后增大.烧制温度小于或等于 1100℃时,氧原子大量吸附于Pt电极表面,与铂原子发生位置重排反应而生成Pt氧化物,电极过程激活能为177~230 kJ· mol~(-1);烧制温度大于1100℃时,电极系统中可能存在的Pt氧化物充分解离,电极过程激活能为107~172kJ·mol~(-1).烧制温度为1000~1100℃所制电极总阻抗最小,电荷转移过程响应最快,电极活性最高. |
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其他语种文摘
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The effects of Pt/YSZ electrode sintering temperature on its characteristicswere studied byAC impedance, cyclic voltammetry, chronoamperometry, and SEM observation. The result indicates that as the sintering temperature increases, the activation energy of the electrode process decreases, both the electrode total resistance and response time decrease firstand then increase. While the sintering temperature is below orequal1100℃, a large quantity of oxygen atoms are adsorbed on the Ptelectrode surface, Ptoxidewill be found due to the site exchange reactions of the adsorbed oxygen atoms and Pt atoms, and the activation energy of the electrode process is from 177 to 230 kJ·mol~(-1); as the sintering temperature is above 1100℃, Ptoxide probably existed in the electrode system decomposes completely, and the activation energy of the electrode process is from 107 to 172kJ·mol~(-1). The electrode sintered at temperatures of 1000 to 1100℃has the least total resistance, the shortest response time of charge transfer, and the highest activity. |
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来源
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北京科技大学学报
,2010,32(1):67-72 【核心库】
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关键词
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Pt/YSZ电极
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烧制温度
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阻抗谱
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循环伏安
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计时电流
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地址
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中国科学院地球化学研究所, 中国科学院地球深部物质与流体作用实验室, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-053X |
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学科
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化学工业 |
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基金
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国家863计划
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国家自然科学基金
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中国科学院重大科研装备研制项目
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文献收藏号
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CSCD:3900146
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参考文献 共
23
共2页
|
|
1.
Drevet C. Oxygen electrode reaction on stabilized zirconia under high oxygen pressure (up to 100 bar).
Solid State Ionics,2000,136/137(2):807
|
CSCD被引
5
次
|
|
|
|
|
2.
Sridhar S. Effect of oxygen-containing species on the impedance of the Pt/YSZ interface.
Solid State Ionics,1997,100(1/2):17
|
CSCD被引
6
次
|
|
|
|
|
3.
Wang T. A study of factors that influence zirconia/platinum interfacial impedance using equivalent circuit analysis.
Sens Actuactors B,2001,77(1/2):132
|
CSCD被引
9
次
|
|
|
|
|
4.
简家文. Pt/YSZ电极结构老化特性研究.
无机材料学报,2004,19(1):93)
|
CSCD被引
1
次
|
|
|
|
|
5.
Badwal S P S. Microstructure of Ptelectrodes and its influence on the oxygen transferkinetics.
Solid State Ionics,1986,18/19:1054
|
CSCD被引
6
次
|
|
|
|
|
6.
Jaccoud A. Effectofmicrostructure on the electrochemical behavior of Pt/YSZ electrodes.
Top Catal,2007,44(3):409
|
CSCD被引
8
次
|
|
|
|
|
7.
Yoon S P. Effectofelectrodemicrostructure on gas-phase diffusion in solid oxide fuel cells.
Solid State Ionics,2004,166(1/2):1
|
CSCD被引
3
次
|
|
|
|
|
8.
Jaccoud A. Electrochemical investigation of platinum electrode in solid electrolyte cell.
Electrochim Acta,2006,51(7):1264
|
CSCD被引
9
次
|
|
|
|
|
9.
Sridhar S. Transient and permanent effects of directcurrenton oxygen transferacrossYSZ-electrode interface.
J Electrochem Soc,1997,144(7):2479
|
CSCD被引
4
次
|
|
|
|
|
10.
Schwandt C. Variation of the oxygen exchange rate of zirconia-based electrodesby electrochemicalpretreatment.
Solid State Ionics,1998,112(3/4):229
|
CSCD被引
6
次
|
|
|
|
|
11.
Badwal S P S. Impedance spectroscopy of the Pt/Yttria doped ceria interface.
Solid State Ionics,1983,9/10:973
|
CSCD被引
1
次
|
|
|
|
|
12.
Verkerk M J. Oxgen transfer on substituted ZrO2, Bi2O3, andCeO2electrolyteswith platinum electrodes.
J Electrochem Soc,1983,130(1):78
|
CSCD被引
3
次
|
|
|
|
|
13.
Ole JV. The electrode system O2/PtZrO2: 8Y2O3investigated by impedance spectroscopy.
Solid State Ionics,1991,47(1/2):161
|
CSCD被引
4
次
|
|
|
|
|
14.
Badwal S P S. Interfaces in zirconia based electrochemical systems and their influence on electricalproperties.
Mater Sci Monogr,1995,81:71
|
CSCD被引
1
次
|
|
|
|
|
15.
曹楚南.
电化学阻抗谱导论,2002
|
CSCD被引
360
次
|
|
|
|
|
16.
郭新. ZrO2氧传感器的电极、基体及其界面.
传感器技术,1992(5):7
|
CSCD被引
4
次
|
|
|
|
|
17.
Mizusaki J. Electrodes reaction at Pt, O2 (g) /stabilized zirconia interfaces. Part 1: Theoretical consideration of reaction model.
Solid State Ionics,1987,22(4):313
|
CSCD被引
8
次
|
|
|
|
|
18.
Mizusaki J. Electrodes reaction at Pt, O2(g) /stabilized zirconia interfaces. Part 2: Electrochemicalmeasurements and analysis.
Solid State Ionics,1987,22(4):323
|
CSCD被引
1
次
|
|
|
|
|
19.
Gland J L. Molecular and atomic adsorption of oxygen on the Pt (111) and Pt(s)--12(111)×(111) surfaces.
Surf Sci,1980,93(2/3):487
|
CSCD被引
4
次
|
|
|
|
|
20.
Gland JL. Oxygen interactionswith the Pt(111) surface.
Surf Sci,1980,95(2/3):587
|
CSCD被引
5
次
|
|
|
|
|
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