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Preparation and Electrochemical Properties of Porous Platinum Electrode 被引量:1

Preparation and Electrochemical Properties of Porous Platinum Electrode
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摘要 Porous platinum electrodes were prepared by adding YSZ,as an active material,in platinum paste.Relationship between microstructure and electrochemical performance of O 2(g),Pt/YSZ electrode have been characterized by SEM and cyclic voltammetry.Results showed that the microstructure of platinum electrode is a significant impact on the cyclic voltammetry.With the increase of platinum electrode's porosity,the area of three-phase boundary of O 2(g) /Pt/YSZ was increased.The electrochemical reactivity was also enhanced.These were presented as the increase of current density and cathode voltage in cyclic voltammetry. Porous platinum electrodes were prepared by adding YSZ, as an active material, in platinum paste. Relationship between microstructure and electrochemical performance of O2(g), Pt/YSZ electrode have been characterized by SEM and cyclic voltammetry. Results showed that the microstructure of platinum electrode is a significant impact on the cyclic voltammetry. With the increase of platinum electrode's porosity, the area of three-phase boundary of Oz(g)/Pt/YSZ was increased. The electrochemical reactivity was also enhanced. These were presented as the increase of current density and cathode voltage in cyclic voltammetry.
出处 《贵金属》 CAS CSCD 北大核心 2012年第A01期79-84,共6页 Precious Metals
关键词 porous platinum electrode electrochemical performance MICROSTRUCTURE cyclic voltammetry porous platinum electrode electrochemical performance microstructure cyclic voltammetry
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