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Effect of Simulated Coal-Derived Gas Composition on H2S Poisoning Behavior Evaluated Using a Disaggregation Scheme
Li TS ; Miao H ; Chen T ; Wang WG ; Xu C
2009
Source PublicationJournal of The Electrochemical Society
Volume156Issue:12Pages:B1383-B1388
AbstractH2S poisoning is an important issue for solid oxide fuel cells (SOFCs) operated with syngas. The effect of simulated coal-derived gas composition on H2S poisoning behavior was evaluated using a disaggregation scheme where the influence of H2 content was determined separately using a typical anode-supported SOFC operated with a N2H2 mixture gas, while the effect of other compositions (CO, CO2, and H2O) was investigated with simulated coal-derived gas having constant H2 and CO flow rates balanced by a H2N2 mixture gas (83% H2 and 17% N2). The results indicated that the extent of H2S poisoning was not pertinent to H2 content when the cell was tested galvanostatically with a current density of 0.3 Acm2 at 800°C using a N2H2 mixture gas containing 10 ppm H2S, and the H2S poisoning impact can be completely removed by switching to sulfur-free gas. The CO, CO2, and high water vapor content aggravated the H2S poisoning effect, and the performance was almost irrecoverable when the cell was tested with a 35% H2–46% CO–16% N2–3% H2O mixture gas containing 12.5 ppm H2S. However, the introduction of 10% CO2 and an increase in H2O content from 3 to 10% in the mixture gas can promote the performance recoverability to a larger extent.
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/244
Collection宁波所知识产出
Recommended Citation
GB/T 7714
Li TS,Miao H,Chen T,et al. Effect of Simulated Coal-Derived Gas Composition on H2S Poisoning Behavior Evaluated Using a Disaggregation Scheme[J]. Journal of The Electrochemical Society,2009,156(12):B1383-B1388.
APA Li TS,Miao H,Chen T,Wang WG,&Xu C.(2009).Effect of Simulated Coal-Derived Gas Composition on H2S Poisoning Behavior Evaluated Using a Disaggregation Scheme.Journal of The Electrochemical Society,156(12),B1383-B1388.
MLA Li TS,et al."Effect of Simulated Coal-Derived Gas Composition on H2S Poisoning Behavior Evaluated Using a Disaggregation Scheme".Journal of The Electrochemical Society 156.12(2009):B1383-B1388.
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