天然气化学链和燃料电池耦合的氢电联产系统

方宇; 刘泰秀; 战俊楠; 李培晶; 李竺莲; 刘启斌

doi:10.7652/xjtuxb202605006

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天然气化学链和燃料电池耦合的氢电联产系统

更新时间：2026-04-27

- 天然气化学链和燃料电池耦合的氢电联产系统
- A Hydrogen and Power Co-generation System Coupling Natural Gas Chemical Looping with Fuel Cells
- 西安交通大学学报 2026年60卷第5期页码：59-70
- 作者机构：
  
  西安交通大学可再生能源国际研究中心，西安，710049
  西安交通大学动力工程多相流国家重点实验室，西安，710049
  中国科学院工程热物理研究所，北京，100190
  中国科学院大学，北京，100049
  华北电力大学能源动力与机械工程学院，北京，102206
- 作者简介：
  
  作者简介：方宇（2000—），男，博士生；
  刘启斌（通信作者），男，研究员，博士生导师。
- 基金信息：
  
  国家自然科学基金资助项目(52225601;52090061)
- DOI：10.7652/xjtuxb202605006
  中图分类号： TK123
- 收稿：2025-05-30，
  
  纸质出版：2026-05-10
- 稿件说明：
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方宇, 刘泰秀, 战俊楠, 等. 天然气化学链和燃料电池耦合的氢电联产系统[J]. 西安交通大学学报, 2026,60(5):59-70.

FANG Yu, LIU Taixiu, ZHAN Junnan, et al. A Hydrogen and Power Co-generation System Coupling Natural Gas Chemical Looping with Fuel Cells[J]. Journal of Xi'an Jiaotong University, 2026, 60(5): 59-70.
方宇, 刘泰秀, 战俊楠, 等. 天然气化学链和燃料电池耦合的氢电联产系统[J]. 西安交通大学学报, 2026,60(5):59-70. DOI： 10.7652/xjtuxb202605006.

FANG Yu, LIU Taixiu, ZHAN Junnan, et al. A Hydrogen and Power Co-generation System Coupling Natural Gas Chemical Looping with Fuel Cells[J]. Journal of Xi'an Jiaotong University, 2026, 60(5): 59-70. DOI： 10.7652/xjtuxb202605006.

摘要

为实现天然气低碳高效制氢的目标，针对传统蒸汽重整制氢反应温度高（高于800℃）、能量转化效率低和二氧化碳排放量高的问题，提出了一种天然气水基化学链重整制氢（CLHG）方法，并耦合固体氧化物燃料电池（SOFC）实现氢电联产。在燃料反应器中，金属氧化物在天然气和水蒸气的共同作用下被还原生成富氢气体，该气体直接进入SOFC发电，并集成微型燃气轮机（MGT）对SOFC排气进行能量梯级利用。被还原的金属氧化物经水蒸气氧化生成纯净氢气，通过空气氧化恢复初始状态并释放热量，以实现化学链自热式重整制氢。基于构建的热力学模型，对系统进行了热力学分析和不可逆损失分析。研究结果表明，在设计工况下，系统能量转化效率为69.97%，㶲效率为67.04%，CO

捕集率为91.39%。与传统天然气重整制氢相比，该系统将制氢反应温度由800℃以上降低至约600℃，同时显著减少了碳排放。对系统的关键过程进行了实验，验证了天然气水基化学链重整制氢系统的可行性。该研究可为天然气的高效低碳利用提供新途径，并验证了制氢与燃料电池耦合应用的可行性。

Abstract

To achieve th

e goal of low-carbon and efficient hydrogen production from natural gas

and to address the issues of high reaction temperature (above 800℃)

low energy conversion efficiency

and high carbon dioxide emissions in the traditional steam reforming hydrogen production process

a natural gas water-based chemical looping hydrogen generation (CLHG) method is proposed. This method is coupled with a solid oxide fuel cell (SOFC) to realize hydrogen and power co-generation. In the fuel reactor

metal oxides are reduced by natural gas and steam to produce hydrogen-rich gas

which is directly fed into the SOFC for power generation. A micro gas turbine (MGT) is integrated to achieve energy cascade utilization of the SOFC exhaust. The reduced metal oxides are oxidized by steam to generate pure hydrogen and are then reoxidized by air to their initial state while releasing heat

enabling self-thermal reforming hydrogen production via chemical looping. Based on the established thermodynamic model

thermodynamic analysis and irreversibility analysis of the system were conducted. The results show that under design conditions

the system achieves an energy conversion efficiency of 69.97%

an exergy efficiency of 67.04%

and a CO

capture rate of 91.39%. Compared with the traditional natural gas reforming hydrogen production process

this system reduces the hydrogen production reaction temperature from above 800℃ to approximately 600℃ while significantly reducing carbon emissions. Key processes of the system were experimentally tested

confirming the feasibility of the natural gas water-based chemical looping hydrogen generation system. This study provides a new pathway for the efficient and low-carbon utilization of natural gas and demonstrates the feasibility of coupling hydrogen production with fuel cells.

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