1986 年 29 巻 247 号 p. 124-128
To measure air excess ratio in exhaust gas, sensors are used which measure oxygen concentration in the gas by using a solid oxide electrolyte with a gas diffusion layer. In this paper, the movement of oxygen in the gas diffusion layer by solid oxide electrolyte is simulated with Nelnst's equation for solid oxide electrolyte and a diffusion equation for the gas diffusion layer. The calculated current value at the solid oxide electrolyte changes with the oxygen concentration distribution in the gas diffusion layer and agrees with the experimental value. Furthermore, it is affected by the thickness of the diffusion layer.
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JSME international journal. Ser. A, Mechanics and material engineering
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