| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas sensor by which the concentration of a gas such as the concentration of hydrogen gas or the like can be measured precisely over a long period. SOLUTION: In the hydrogen gas sensor, a first electrode 3 is installed on one face of a proton conduction layer 1, a second electrode 5 is installed on the other face of the layer 1 so as to face the first electrode 3, and they are supported in a support 9. A conductive elastic body 23 is arranged between a first lead part 10a and the first electrode 3 so as to come into contact with the part 10a and the first electrode 3. The elastic body 23 is a metal elastic sheetlike member, and a pair of right and left through holes 25 are formed in its central part. That is to say, the body 23 is held between the part 10a and the first electrode 3 in a state that it is pressed to the inside by a first support 9a, and the first electrode 3 and the layer 1 adhere so as to ensure their continuity. |
