A Method of Adaptive Power Allocation for Fuel Cell Hybrid Power Systems Taking into Account Stack Performance

Dapeng Jin, Fengxu Han, Ai Guo () and Lizhi Jiao
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Dapeng Jin: CRRC Academy (Qingdao) Co., Ltd., Qingdao 266000, China
Fengxu Han: CRRC Academy (Qingdao) Co., Ltd., Qingdao 266000, China
Ai Guo: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Lizhi Jiao: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China

Energies, 2024, vol. 17, issue 15, 1-16

Abstract: In order to enhance the efficiency, extend the service life, and minimize hydrogen consumption of the fuel cell hybrid power system (FCHPS), an adaptive power allocation method considering stack operation performance is proposed. The method utilizes the minimum instantaneous optimization of equivalent hydrogen consumption to achieve power distribution between fuel cells and lithium batteries. Additionally, a power adaptive allocation method is proposed to address performance inconsistencies in PEMFC systems, effectively reducing operating pressure for improved service life and overall system efficiency. This approach ensures stable and efficient operation of high-power vehicle fuel cell hybrid power systems.

Keywords: fuel cell hybrid power system; stack variation; equivalent hydrogen consumption; power adaptation; system consistency; service life; operation performance; lithium batteries (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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