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Outline
This study establishes a model of a solid oxide fuel cell (SOFC) power generation system fueled by hydrogen-enriched natural gas using Cycle-Tempo software. It provides a detailed analysis of the impacts of key operating conditions-such as single-cell voltage and operating temperature-and critical parameters-including hydrogen blending ratio and anode fuel utilization-on the performance of the SOFC system. The results indicate that increasing the hydrogen blending ratio, inlet temperature, single-cell voltage, and anode fuel utilization can enhance power generation. Notably, a higher hydrogen blending ratio significantly reduces greenhouse gas emissions, particularly CO2. Under the conditions of a gas flow rate of 0.043 7 kg/s, single-cell voltage of 0.75 V, fuel utilization rate of 80%, fuel cell inlet temperature of 700 ℃, and hydrogen blending ratio of 60%, the system achieves a power output of 1 220.33 kW with an efficiency of 52.67%, while reducing carbon emissions by 27.86%.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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