ジルコニア系固体電解質の熱起電力におよぼす雰囲気の酸素分圧の影響

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タイトル別名
  • Effect of Oxygen Partial Pressure in Atmosphere on Thermoelectromotive Force of Solid Electrolytes
  • ジルコニアケイ コタイ デンカイシツ ノ ネツ キデンリョク ニ オヨボス フ

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抄録

A dependency of thermoelectromotive force of solid electrolytes, zirconia stabilized by 11 mol%CaO, 9 mol%MgO and 15mol%MgO, on oxygen partial pressure in atmosphere were observed. Oxygen partial pressure, temperature difference and temperature are controlled between 0.21 and 5×10-19 atm, between 50 and 400°C as well as between 700 and 1250°C, respectively.<BR>Experimental results are as follows : above about 5×10-5 atm of oxygen partial pressure in atmosphere, the lower oxygen partial pressure, the larger thermoelectromotive force. Between about 5×10-5 and 5×10-15 atm, the lower oxygen partial pressure, the smaller thermoelectromotive force. Under about 5×10-15 atm, the lower oxygen partial pressure, the larger thermoelectromotive force.<BR>The complex phenomenon can be explained by an assumption that the observed thermoelectromotive force is consisted by that induced by ion and electron.

収録刊行物

  • 鉄と鋼

    鉄と鋼 76 (4), 545-551, 1990

    一般社団法人 日本鉄鋼協会

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