Automotive Fuel Cell Systems: Testing Highly Dynamic Scenarios

被引：2
作者：
Breitinger, Jonas [1 ]
Hellmann, Mark [1 ]
Kemmer, Helerson [1 ]
Kabelac, Stephan [2 ]
机构：
[1] Robert Bosch GmbH, D-71272 Renningen, Germany
[2] Leibniz Univ Hannover, Inst Thermodynam, D-30823 Hannover, Germany
来源：
ENERGIES | 2023年 / 16卷 / 02期
关键词：
PEM; fuel cell system; dynamic operation; experimental; MEMBRANE; TRANSPORT; STEADY;
D O I：
10.3390/en16020664
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
PEM fuel cell systems face highly dynamic load profiles in automotive application. This work showcases the impact of media supply adaption, system architecture and test rig restrictions on the transient voltage response of an automotive fuel cell stack. Current step and load profile experiments were conducted on a system test rig, featuring automotive balance of plant components, and a short stack test bench. A time scale analysis allowed us to identify the predominant effect for the voltage response in each test case. The voltage response measured in the test cases was dominated either by air supply, membrane humidification or coolant temperature dynamics. This systematic comparison of different types of test setups highlights the importance of application-like system level testing as, in contrast to common experiments, different phenomena shape the electrical stack behavior.
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页数：15
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