EN碳中和背景下高温固体氧化物电解制氢的过程建模与热力学分析
Process Modelling and Thermodynamic Analysis of Hydrogen Production by High Temperature Solid Oxide Electrolysis Under the Background of Carbon Neutrality
- 发电技术 2021年42卷第5期 页码：554-560
- 作者机构：
电网安全与节能国家重点实验室(中国电力科学研究院有限公司), 北京市海淀区 100192
- 作者简介：
[ "王丹丹(1991), 女, 博士, 中级工程师, 研究方向为综合能源与绿色氢能, wangdandan_iet@163.com" ]
李亚楼(1974), 男, 博士, 教授级高工, 研究方向为电力系统分析及控制, 综合能源系统基础理论和关键技术等, 本文通信作者, liyalou@epri.sgcc.com.cn
[ "李芳(1979), 女, 博士, 教授级高工, 长期从事电力系统仿真、综合能源优化研究, lifang@epri.sgcc.com.cn" ]
[ "孙璐(1982), 女, 硕士, 中级工程师, 研究方向为综合能源与电力系统仿真, sunlu1@epri.sgcc.com.cn" ]
- 基金信息：国家重点研发计划项目(2018YFE0208400);中国电力科学研究院自筹基金项目(5242002000RF)
DOI：10.12096/j.2096-4528.pgt.21010
中图分类号： TK91;TQ116.2收稿：2021-02-18，
纸质出版：2021-10-31
- 稿件说明：
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王丹丹, 李亚楼, 李芳, 等. 碳中和背景下高温固体氧化物电解制氢的过程建模与热力学分析[J]. 发电技术, 2021,42(5):554-560.
Dandan WANG, Yalou LI, Fang LI, et al. Process Modelling and Thermodynamic Analysis of Hydrogen Production by High Temperature Solid Oxide Electrolysis Under the Background of Carbon Neutrality[J]. Power Generation Technology, 2021, 42(5): 554-560.
王丹丹, 李亚楼, 李芳, 等. 碳中和背景下高温固体氧化物电解制氢的过程建模与热力学分析[J]. 发电技术, 2021,42(5):554-560. DOI： 10.12096/j.2096-4528.pgt.21010.
Dandan WANG, Yalou LI, Fang LI, et al. Process Modelling and Thermodynamic Analysis of Hydrogen Production by High Temperature Solid Oxide Electrolysis Under the Background of Carbon Neutrality[J]. Power Generation Technology, 2021, 42(5): 554-560. DOI： 10.12096/j.2096-4528.pgt.21010.
摘要
电解制氢能够将不稳定的可再生能源转化为氢能，实现大规模、季节性储能，是助力实现我国碳中和目标的关键手段之一。对高温固体氧化物电解制氢技术进行了探讨与研究，介绍了高温固体氧化物电解的工作原理；针对其实际运行特性，建立了电解过程电化学模型与热力学模型，并通过与实验数据对比验证了模型的有效性；进一步地，分析了电流密度和操作温度对高温固体氧化物电解极化损失的影响，研究了高温电解过程热力学性能的变化情况。结果表明：在高温下对固体氧化物电解进行整体热集成与热管理，有利于减少电能消耗；若将高温电解过程与其他工业过程相结合，利用低品位的工业余热或废热，则能够进一步提升高温固体氧化物电解的整体能效。
Abstract
Water electrolysis can transform unstable renewable energy into the hydrogen energy and realize large-scale and seasonal energy storage
which is one of the key means to achieve the goal of "carbon neutrality" in China. The technology of high temperature solid oxide electrolysis cell (SOEC) was discussed and studied
and the working principle of the high temperature solid oxide electrolysis was introduced. According to its actual operation characteristics
the electrochemical model and thermodynamic model of electrolysis process were established
and the models were verified by comparing with the experimental data. Furthermore
the effects of current density and operating temperature on the high temperature solid oxide electrolysis were analyzed
and the thermodynamic analysis was conducted. The results show that the thermal integration and management of SOEC at high temperature will be conducive to reduce the power consumption. If the high-temperature electrolysis process is combined with other industrial processes and utilized the low-grade industrial waste heat
the overall efficiency of high-temperature solid oxide electrolysis is expected to be further improved.
关键词
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references
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