RuO_2-SnO_2 ELECTRODE XPS STUDIES AND ACID-BASE PROPERTIES OF OXIDE SURFACE

陈延禧; 夏晓霞; 陈艳英; 韩佐青

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RuO_2-SnO_2 ELECTRODE XPS STUDIES AND ACID-BASE PROPERTIES OF OXIDE SURFACE

更新时间：2025-12-16

- RuO_2-SnO_2 ELECTRODE XPS STUDIES AND ACID-BASE PROPERTIES OF OXIDE SURFACE
- CIESC Journal Issue 5, (1995)
- 作者机构：
  
  天津大学应用化学系!天津300072,天津大学应用化学系!天津300072,天津大学应用化学系!天津300072,天津大学应用化学系,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： 646
- Online First：25 October 1995，
  
  Published：25 October 1995
- 稿件说明：
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陈延禧, 夏晓霞, 陈艳英, et al. RuO_2-SnO_2 ELECTRODE XPS STUDIES AND ACID-BASE PROPERTIES OF OXIDE SURFACE[J]. CIESC Journal, 1995, (5).
DOI：

陈延禧, 夏晓霞, 陈艳英, et al. RuO_2-SnO_2 ELECTRODE XPS STUDIES AND ACID-BASE PROPERTIES OF OXIDE SURFACE[J]. CIESC Journal, 1995, (5). DOI：

摘要

研究了RuO_2-SnO_2混合金属氧化物电极

它对NaCl溶液中的析氯反应具有良好的电催化活性及选择性。采用XPS(X射线光电子光谱)研究了电极表画的组成

发现金属阳极〔DSA(Ru-Sn〕表面的钌含量和吸附氯含量均高于DSA(Ru-Ti)。采用电位滴定法研究电极表面酸碱性

测定了零电荷点(PZC)和零电荷点的移动(ΔPZC)的数值

显示了DSA(RuO_2-SnO_2)表面的酸性更强

Cl的特性吸附也更强。由此得出:混合金属氧化物电极的电催化行为与其表面组成及性质存在密切关系。

Abstract

A RuO2 -SnO2 mixed metal oxides electrode was investigated. The results showed that it has a good activity and selectivity for C12 evolution electrocatalysis in NaCl solution. By means of XPS the surface composition of electrode was studied. It was found that Ru content and adsorbed chlorine of DSA (Ru -Sn) was higher than DSA (Ru -Ti). Potentiometric titration was used to characterize the acid - base properties of the surface of mixed electrodes. PZC and APZC obtained suggested that DSA (Ru -Sn) surface has stronger acidity and more specific adsorption of Cl . The electrocataysis behavior of mixed metal oxides electrode is in a close relationship with surface composition and properties.

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