Dynamic simulation and optimization of a residential proton exchange membrane fuel cell (PEMFC) combined heat and power (CHP) system

被引：5
作者：
Wang, Yuanming [1 ]
Zeng, Zhen [1 ]
Wang, Tianyou [1 ,2 ]
Che, Zhizhao [1 ,2 ]
机构：
[1] Tianjin Univ, State Key Lab Engines, Tianjin 300350, Peoples R China
[2] Tianjin Univ, Natl Ind Educ Platform Energy Storage, Tianjin 300350, Peoples R China
来源：
ENERGY | 2025年 / 319卷
基金：
中国国家自然科学基金;
关键词：
Proton exchange membrane fuel cell; PEMFC-CHP; Dynamic simulation; Operation mode; Optimization; PERFORMANCE; MANAGEMENT; WATER;
D O I：
10.1016/j.energy.2025.134865
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Combined heat and power (CHP) based on proton exchange membrane fuel cells (PEMFCs) is a high-efficiency hydrogen-energy-utilization technique. However, because of the complex coupling between the dynamic demand and supply of energy, the operation of PEMFC-CHP needs to be optimized. Here, a residential PEMFCCHP system is established and its operation is optimized by performing dynamic simulations of the system. The system performance is evaluated based on the matching degree, system efficiency, energy-saving coefficient, environmental coefficient, and fluctuation degree. Various operating modes are considered, namely constant mode, electrical-led mode, rectangular electrical-led mode, ladder mode, and optimal mode. The electrical efficiency under the ladder mode is higher than that of the constant mode. The electrical efficiency under the electrical-led mode is higher than the rectangular electrical-led mode, while the corresponding fluctuation degree is higher. The optimal mode based on the electrical demand is proposed to balance the performance of the system.
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页数：11
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