Thermoeconomic cost evaluation of hydrogen production driven by binary geothermal power plant

被引：50

作者：

Yilmaz, Ceyhun ^{[1
]}

Kanoglu, Mehmet ^{[1
]}

Abusoglu, Aysegul ^{[1
]}

机构：

[1] Gaziantep Univ, Dept Mech Engn, TR-27310 Gaziantep, Turkey

来源：

GEOTHERMICS | 2015年 / 57卷

关键词：

Geothermal energy; Binary cycle; Hydrogen production; Electrolysis; Exergoeconomics; SPECO; ENERGY; HEAT;

D O I：

10.1016/j.geothermics.2015.05.005

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Thermodynamic analysis and exergy based cost formation of hydrogen production by a water electrolysis process powered by a binary geothermal power plant is performed. The exergetic cost formation process is developed applying the specific exergy cost method (SPECO). For a geothermal resource temperature of 160 degrees C and a geothermal flow rate of 100 kg/s, hydrogen gas can be produced at a rate of 0.0253 kg/s in the electrolyzer. This corresponds to 0.253 g of hydrogen production per kilogram of geothermal water. Thermoeconomic cost analysis reveals that the unit exergetic costs of electricity and hydrogen produced in the system are 6.495 $/GJ (or 0.0234 $/kWh) and 19.7 $/GJ (or 2.366$/kg H-2), respectively. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：18 / 25

页数：8

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