MCFC特性に対するNO<i><sub>x</sub></i>の影響

書誌事項

タイトル別名
  • Effects of NO<i><sub>x</sub></i> on the Performance of MCFC
  • MCFC特性に対するNOxの影響
  • MCFC トクセイ ニ タイスル NOx ノ エイキョウ

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抄録

<p>The effects of NOx on the performance of MCFC were examined by cyclic voltammetry and bench-scale cell tests with the oxidant gas containing several levels of NOx. NOx poisoning has a larger effect on cell voltage in the early operating stage, but this effect tends to decrease with operating time. The main cause of the cell voltage drop is the increase in internal resistance, which is caused by the production of high resistance substances. As a result of the analyses of the electrolyte composition in the operated cells, gas composition and cyclic voltammograms, the behavior of NOx in the cell was found as follows. NOx reacts with carbonate to dissolve in the electrolyte as NO2 and NO3. These ions react with hydrogen in the fuel gas to form to N2 and a small amount of NH3. Consequently, NO2 and N O3 are not accumulated in the electrolyte, and the effects of NOx on the cell life-time are small.</p>

収録刊行物

  • Electrochemistry

    Electrochemistry 68 (8), 645-650, 2000-08-05

    公益社団法人 電気化学会

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