Thermodynamic Analysis and Optimal Design of Steam and Power Cogeneration Systems With PEMFC-coupled High Temperature Heat Pumps

LI Qingshan; HAO Yongsheng; CHEN Bin; SUN Li

doi:10.13334/j.0258-8013.pcsee.241726

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Thermodynamic Analysis and Optimal Design of Steam and Power Cogeneration Systems With PEMFC-coupled High Temperature Heat Pumps

更新时间：2026-10-12

- Thermodynamic Analysis and Optimal Design of Steam and Power Cogeneration Systems With PEMFC-coupled High Temperature Heat Pumps
- Vol. 46, Issue 2, Pages: 656-666(2026)
- 作者机构：
  
  1. 大型发电装备安全运行与智能测控国家工程研究中心(东南大学能源与环境学院),江苏省,南京市,210096
  2. 国网江苏省电力有限公司常州供电分公司,江苏省,常州市,213000
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.241726
  CLC：
- Published：2026
- 稿件说明：
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LI Qingshan, HAO Yongsheng, CHEN Bin, et al. Thermodynamic Analysis and Optimal Design of Steam and Power Cogeneration Systems With PEMFC-coupled High Temperature Heat Pumps[J]. 2026, 46(2): 656-666.
DOI：

LI Qingshan, HAO Yongsheng, CHEN Bin, et al. Thermodynamic Analysis and Optimal Design of Steam and Power Cogeneration Systems With PEMFC-coupled High Temperature Heat Pumps[J]. 2026, 46(2): 656-666. DOI： 10.13334/j.0258-8013.pcsee.241726.

摘要

针对质子交换膜燃料电池(proton exchange membrane fuel cell，PEMFC)热电联产系统仅能满足住宅低温用热需求，而无法提供高品位热能的问题。该文提出一种面向工业应用的PEMFC耦合高温热泵蒸汽电力联产系统，充分回收PEMFC冷却系统与阴极排气余热，通过蒸汽热泵制取125℃蒸汽实现余热提质利用；利用Aspen plus与Matlab软件联合仿真，建立系统稳态模型。对PEMFC不同运行工况下的产热与散热进行分析，研究PEMFC关键运行参数对系统蒸汽产率和能效的影响。结果表明，PEMFC额定输出功率条件下，蒸汽产率最高为0.1 t/h，该系统能量效率较PEMFC系统提升5%，其中压缩机能耗最高，3台压缩机能耗占系统总能耗的99%。因此，所提出的蒸汽电力联产系统可实现高效蒸汽和电力供应，可为PEMFC工业化应用提供指导建议。

Abstract

Regarding the issue that the proton exchange membrane fuel cell (PEMFC)-based combined heat and power system is limited to supplying low-temperature heat for residential use and cannot supply high-grade thermal energy. A steam and power cogeneration system with the PEMFC-coupled high-temperature heat pump for industrial application is proposed in this paper to fully recover the waste heat from the PEMFC cooling system and cathode exhaust. The waste heat is upgraded by producing 125°C steam through a steam heat pump for subsequent utilization. The system steady-state model is established by co-simulation with Aspen plus and Matlab software. The heat generation and dissipation under different operating conditions of PEMFC are analyzed

and the effects of PEMFC operating parameters on the steam production and energy efficiency of the system are investigated. The results indicate that

under the rated output power

the maximum steam production rate reaches 0.1 t/h

and the energy efficiency of the proposed system is 5% higher than that of a standalone PEMFC system. The highest energy consumption is attributed to the compressors

with the three compressors accounting for 99% of the total system energy consumption. The proposed steam and power cogeneration system can achieve efficient steam and electricity supply

and provide guidance for PEMFC industrial application.

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