操作条件扰动在PEMFC性能优化中的应用
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摘要
以质子交换膜燃料电池(PEMFC)单电池为研究对象,研究了电流短路、电流扰动以及空气流量扰动这三个操作条件扰动对PEMFC单电池的极化曲线和功率曲线的影响。研究结果表明,电流短路能够有效提高PEMFC的输出性能,尤其是在大电流情况下,输出电压最高可提高62.96%,输出功率最高可提高30.36%;电流向上扰动和空气流量向下扰动在大电流下均可以提高PEMFC的输出性能,在小电流下对PEMFC的性能影响不明显。
The single cell of the proton exchange membrane fuel cell was studied. The influence of three operatingconditions, including current short circuit, current disturbance and air flow disturbance, on the polarization curve andpower curve of PEMFC single cell was studied respectively. The results show that the output performance of PEMFCis effectively improved by the current short circuit, especially in the case of high current, the maximum output voltagecan be increased by 62.96%, and the output power can be increased by 30.36%. The output performance of PEMFCcan be improved by the upward disturbance of current and the downward disturbance of air flow under high current,but the performance of PEMFC is not obvious at low current.
The single cell of the proton exchange membrane fuel cell was studied. The influence of three operatingconditions, including current short circuit, current disturbance and air flow disturbance, on the polarization curve andpower curve of PEMFC single cell was studied respectively. The results show that the output performance of PEMFCis effectively improved by the current short circuit, especially in the case of high current, the maximum output voltagecan be increased by 62.96%, and the output power can be increased by 30.36%. The output performance of PEMFCcan be improved by the upward disturbance of current and the downward disturbance of air flow under high current,but the performance of PEMFC is not obvious at low current.
引文
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[4] YOUSFI-STEINER N, MOOTGUY P, CANDUSSO D, et al. Areview on polymer electrolyte membrane fuel cell catalyst degrada-tion and starvation issues:causes, consequences and diagnostic formitigation[J]. Journal of Power Sources, 2009, 194(1):130-145.
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[6] CARTON J G, LAWLOR V, OLABI A G, et al. Water droplet accu-mulation and motion in PEM(proton exchange membrane)fuel cellmini-channels[J]. Energy, 2012, 39(1):63-73.
[7] LI A, CHAN S H. Understanding the role of cathode structure andproperty on water management and electrochemical performance ofa PEM fuel cell[J]. International Journal of Hydrogen Energy, 2013,38(27):11988-11995.
[8] CHEN B, WANG J, YANG T, et al. Mitigation studies of carboncorrosion by optimizing the opening size of the cathode outlet in aproton exchange membrane fuel cell with dead-ended anode[J]. En-ergy Conversion&Management, 2016, 119:60-66.
[9] GUPTA G, WU B, MYLIUS S, et al. A systematic study on the useof short circuiting for the improvement of proton exchange mem-brane fuel cell performance[J]. International Journal of HydrogenEnergy, 2017, 42:4320-4327.
[2] YI B L, HOU M. Solutions for the durability of fuel cells in vehicleapplications[J]. Journal of Automotive Safety and Engergy,2011,2(2):91-100.
[3] LAMY C, JONES D J, COUTANCEAU C, et al. Do not forget theelectrochemical characteristics of the membrane electrode assemblywhen designing a proton exchange membrane fuel cell stack[J].Electrochimica Acta, 2011, 56(28):10406-10423.
[4] YOUSFI-STEINER N, MOOTGUY P, CANDUSSO D, et al. Areview on polymer electrolyte membrane fuel cell catalyst degrada-tion and starvation issues:causes, consequences and diagnostic formitigation[J]. Journal of Power Sources, 2009, 194(1):130-145.
[5] ZHANG S, YUAN X, WANG H, et al. A review of acceleratedstress tests of MEA durability in PEM fuel cells[J]. InternationalJournal of Hydrogen Energy, 2009, 34(1):388-404.
[6] CARTON J G, LAWLOR V, OLABI A G, et al. Water droplet accu-mulation and motion in PEM(proton exchange membrane)fuel cellmini-channels[J]. Energy, 2012, 39(1):63-73.
[7] LI A, CHAN S H. Understanding the role of cathode structure andproperty on water management and electrochemical performance ofa PEM fuel cell[J]. International Journal of Hydrogen Energy, 2013,38(27):11988-11995.
[8] CHEN B, WANG J, YANG T, et al. Mitigation studies of carboncorrosion by optimizing the opening size of the cathode outlet in aproton exchange membrane fuel cell with dead-ended anode[J]. En-ergy Conversion&Management, 2016, 119:60-66.
[9] GUPTA G, WU B, MYLIUS S, et al. A systematic study on the useof short circuiting for the improvement of proton exchange mem-brane fuel cell performance[J]. International Journal of HydrogenEnergy, 2017, 42:4320-4327.