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Electrochemical behavior and corrosion resistance of IrO2–ZrO2 binary oxide coatings for promoting oxygen evolution in sulfuric acid solution 认领 引用 被引量:10
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作者 Bao Liu Shuo Wang +2 位作者 Cheng-yan Wang Bao-zhong Ma Yong-qiang Chen 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2020年第2期264-273,共10页
In this study,we prepared Ti/IrO2–ZrO2 electrodes with different ZrO2 contents using zirconium-n-butoxide(C16H36O4Zr)and chloroiridic acid(H2IrCl6)via a sol–gel route.To explore the effect of ZrO2 content on the sur... In this study,we prepared Ti/IrO2–ZrO2 electrodes with different ZrO2 contents using zirconium-n-butoxide(C16H36O4Zr)and chloroiridic acid(H2IrCl6)via a sol–gel route.To explore the effect of ZrO2 content on the surface properties and electrochemical behavior of electrodes,we performed physical characterizations and electrochemical measurements.The obtained results revealed that the binary oxide coating was composed of rutile IrO2,amorphous ZrO2,and an IrO2–ZrO2 solid solution.The IrO2–ZrO2 binary oxide coatings exhibited cracked structures with flat regions.A slight incorporation of ZrO2 promoted the crystallization of the active component IrO2.However,the crystallization of IrO2 was hindered when the added ZrO2 content was greater than 30at%.The appropriate incorporation of ZrO2 enhanced the electrocatalytic performance of the pure IrO2 coating.The Ti/70at%IrO2–30at%ZrO2 electrode,with its large active surface area,improved electrocatalytic activity,long service lifetime,and especially,lower cost,is the most effective for promoting oxygen evolution in sulfuric acid solution. 展开更多
关键词 electrode IrO2-ZrO2 oxygen evolution reaction electrochemical behavior corrosion resistance
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Ti/nanoTiO_2-ZrO_2修饰电极电催化氧化葡萄糖 认领 引用 被引量:5
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作者 方文彦 王凤武 +3 位作者 徐迈 朱传高 魏亦军 朱其永 《化工学报》 EI 北大核心 2010年第S1期29-32,共4页
在无水乙醇和乙酰丙酮混合溶液中,电解Ti金属制得前驱体Ti(OCH2CH3)(4-y)(acac)y,再加入ZrCl4,将上述溶液直接水解、干燥后在450℃煅烧2h,粉体通过X射线衍射(XRD)分析表明:纳米TiO2-ZrO2粉体呈单分散结构。通过凝胶涂抹、煅烧得到高活性... 在无水乙醇和乙酰丙酮混合溶液中,电解Ti金属制得前驱体Ti(OCH2CH3)(4-y)(acac)y,再加入ZrCl4,将上述溶液直接水解、干燥后在450℃煅烧2h,粉体通过X射线衍射(XRD)分析表明:纳米TiO2-ZrO2粉体呈单分散结构。通过凝胶涂抹、煅烧得到高活性的TianoTiO2-ZrO2修饰电极,电子透射显微镜(TEM)测试表明,颗粒平均尺寸为30~40nm。通过循环伏安研究发现,TianoTiO2-ZrO2电极对葡萄糖氧化具有高催化活性。 展开更多
关键词 电合成 金属醇盐 葡萄糖 TianoTiO2-ZrO2修饰电极
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