发明名称 |
Micro-fuel cell sensor apparatus |
摘要 |
An apparatus for measuring partial hydrogen pressure in a gas stream is described. The apparatus includes a housing with micro-fuel cell sensor disposed therein. The sensor includes a sensing element having first and second gas diffusing electrodes spaced from one another with an acidic electrolyte disposed between the electrodes. A first gas permeable membrane separates the first electrode from an external gas stream. A second gas permeable membrane separates the second electrode from atmospheric air. Electrochemical charging of the first electrode occurs when hydrogen from a gas stream diffuses through the first membrane to react with the first electrode, while the potential of the second electrode remains unchanged. The potential difference between the first and second electrodes measured as current is identified to represent the sensor output.
|
申请公布号 |
US6656335(B2) |
申请公布日期 |
2003.12.02 |
申请号 |
US20010794388 |
申请日期 |
2001.02.28 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
BABES-DORNEA ELENA;BEAUCHEMIN CLAUDE;QIN RENYAN;MARUSIC JEAN-CHRISTOPHE |
分类号 |
G01N27/49;(IPC1-7):G01N27/404 |
主分类号 |
G01N27/49 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|