The Preparation of Carbon Monoxide Sensor by Pt/C Porous Electrode

• Main Authors: Kuo-Hsiang Kao, 高國祥
• Other Authors: Professor Ming-Chang Yang
• Format: Others
• Language: zh-TW
• Published: 1994
• Online Access: http://ndltd.ncl.edu.tw/handle/76192967946916252951

碩士 === 國立成功大學 === 化學工程研究所 === 82 === In rencent years, the gas sensors have been invstigated and designed. The gas sensors of carbon monoxide also have been commercialized. For carbon monoxide sensor, the platinum metal have been used as electrode, In this investigation, The Pt/C diffution commonly used in fuel cell, rather than Pt electrode Furthermor were changed to sulfuric acid and phosphoric acid. In this investigation,the electrode were prepared by mixing the carbon-supported platinum with teflon binder, then press onto carbon paper. The sensing behaviors of CO were analyzed with potentiometric method. For the electrodes prepared under serious preparation conditions. The limiting current was reached at about 0V(vs.Pt). Therefore, this investigation system offered a high