SOFC OPERATION WITH SYNGAS FUELS: EXPERIMENTS AND MODEL VALIDATION

机译：SYNGAS燃料在SOFC上的操作：实验和模型验证

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An isothermal model of an SOFC operating with syngas fuel based on button-cell geometry is presented. The model considers momentum and multi-component mass transport coupled with electrochemical reactions (H_2 and CO oxidation at the anode as well as O_2 reduction at cathode) and chemical reaction (water-gas shift reaction at anode). The model agrees well with experimental performance data for various syngas compositions for isothermal operation at 900℃ but not as well for operation at 800℃, where the model underestimates cell voltage. It was observed both experimentally and with the model results that the presence of CO does not affect significantly the cell performance. However, if CO_2 is present without CO, the cell performance decreases rapidly compared to that with pure hydrogen.

机译：提出了基于纽扣电池几何结构的合成气燃料的SOFC等温模型。该模型考虑了动量和多组分传质，以及电化学反应（阳极处的H_2和CO氧化以及阴极处的O_2还原）和化学反应（阳极处的水煤气变换反应）。该模型与900℃等温运行的各种合成气成分的实验性能数据吻合，但对于800℃的运行却不那么理想，因为该模型低估了电池电压。通过实验和模型结果均观察到，CO的存在不会显着影响电池性能。但是，如果存在不含CO的CO_2，则与纯氢相比，电池性能会迅速下降。

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来源
《Proceedings vol.2005-07; International Symposium on Solid Oxide Fuel Cells IX(SOFC-IX) vol 1: Cells, Stacks, and Systems; 20050515-20; Quebec City(CA)》|2005年|P.611-620|共10页
会议地点 Quebec City(CA)
作者
Rapeepong Suwanwarangkul; Eric Croiset; Evgeniy Entchev; Sumittra Charojrochkul; Mark D. Pritzker; Michael W. Fowler; Peter L. Douglas; Supatra Chewathanakup; Hataithip Mahaudom;
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Department of Chemical Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada;

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原文格式 PDF
正文语种 eng
中图分类化学电源、电池、燃料电池;
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SOFC OPERATION WITH SYNGAS FUELS: EXPERIMENTS AND MODEL VALIDATION

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