Article(id=1153790743442346168, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153790299898897185, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.01.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1714406400000, receivedDateStr=2024-04-30, revisedDate=1718294400000, revisedDateStr=2024-06-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1753014749632, onlineDateStr=2025-07-20, pubDate=1737734400000, pubDateStr=2025-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753014749632, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753014749632, creator=13701087609, updateTime=1753014749632, updator=13701087609, issue=Issue{id=1153790299898897185, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='1', pageStart='1', pageEnd='200', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753014643882, creator=13701087609, updateTime=1753067424351, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1154011677273084824, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153790299898897185, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1154011677273084825, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153790299898897185, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=96, endPage=106, ext={EN=ArticleExt(id=1153790743798862009, articleId=1153790743442346168, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Research on PEMFC Mechanical-Electrical Coupling Modeling and Electrical Response Under Impact Load, columnId=null, journalTitle=Automotive Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to investigate the electrical response of proton exchange membrane fuel cell (PEMFC) stack under impact load,and to reveal the mechanical-electrical coupling mechanism of PEMFC stack,the mechanical-electrical coupling modeling method of the PEMFC stack under impact load is studied. A systematic investigation is undertaken to investigate the effect of impact velocity and direction on the electrical response of the PEMFC stack,based on the established mechanical-electrical coupling model of the PEMFC stack. The results show that the proposed method for modeling the mechanical-electrical coupling of the PEMFC stack can accurately simulate the inherent mechanical-electrical coupling characteristics within the PEMFC stack. The ohmic loss of the single cell inside the PEMFC stack increases as the shock load increases. Meanwhile,the impact load results in the formation of additional electrical contact between the gas diffusion layer (GDL) and the ribs of the bipolar plate,which causes a reduction in the average value of the current density on the surface of the GDL and deterioration in the distribution uniformity. This study has certain guiding significance for the modeling of PEMFC mechanical-electrical coupling and the study of electrical response under impact load.
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为探究冲击载荷作用下质子交换膜燃料电池(PEMFC)电堆电学响应,揭示PEMFC电堆内部力-电耦合机制,对冲击载荷下PEMFC电堆力-电耦合建模方法进行了研究。基于建立的PEMFC电堆力-电耦合模型,系统研究了冲击速度和方向对PEMFC电堆电学响应影响。结果表明,所提出的PEMFC电堆力-电耦合建模方法可以准确模拟出电池内部的力-电耦合特性;PEMFC电堆内部单电池欧姆损耗会随着冲击载荷的增大而增大;同时,冲击载荷会导致气体扩散层(GDL)与双极板肋部产生额外电接触,引起GDL表面电流密度平均值下降以及分布均匀性变差。本研究工作对冲击载荷下PEMFC力-电耦合建模及电学响应研究具有一定的指导意义。
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Journal of Power Sources,2005,145(2): 353-361., articleTitle=null, refAbstract=null), Reference(id=1170074704015536584, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790743442346168, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[25], rfOrder=35, authorNames=null, journalName=null, refType=null, unstructuredReference=XIA Y,CHEN G H,ZHOU Q,et al. Failure behaviours of 100% SOC lithium-ion battery modules under different impact loading conditions[J]. Engineering Failure Analysis,2017,82: 149-160., articleTitle=null, refAbstract=null)], funds=[Fund(id=1170074701503148450, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790743442346168, awardId=NVHSKL-202004, language=CN, fundingSource=
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| 封装载荷/MPa | R1/mΩ | R2/mΩ | R3/mΩ | ρ316L/GDL/ (mΩ·mm2) | ρCu/GDL/ (mΩ·mm2) |
| 0.2 | 7.44 | 72.91 | 57.93 | 219 978.08 | 24 999.52 |
| 0.4 | 3.83 | 35.65 | 28.35 | 106 909.60 | 12 863.20 |
| 0.6 | 2.58 | 22.21 | 19.30 | 65 941.12 | 8 684.48 |
| 0.8 | 1.96 | 18.25 | 14.34 | 54 754.56 | 6 576.64 |
| 1.0 | 1.58 | 15.11 | 11.11 | 45 465.28 | 5 293.12 |
| 1.2 | 1.32 | 12.67 | 8.79 | 38 132.64 | 4 427.36 |
| 1.4 | 1.13 | 10.96 | 7.05 | 33 029.92 | 3 795.68 |
| 1.6 | 0.99 | 9.63 | 5.72 | 29 034.88 | 3 312.96 |
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力-电耦合压缩试验结果
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| 封装载荷/MPa | R1/mΩ | R2/mΩ | R3/mΩ | ρ316L/GDL/ (mΩ·mm2) | ρCu/GDL/ (mΩ·mm2) |
| 0.2 | 7.44 | 72.91 | 57.93 | 219 978.08 | 24 999.52 |
| 0.4 | 3.83 | 35.65 | 28.35 | 106 909.60 | 12 863.20 |
| 0.6 | 2.58 | 22.21 | 19.30 | 65 941.12 | 8 684.48 |
| 0.8 | 1.96 | 18.25 | 14.34 | 54 754.56 | 6 576.64 |
| 1.0 | 1.58 | 15.11 | 11.11 | 45 465.28 | 5 293.12 |
| 1.2 | 1.32 | 12.67 | 8.79 | 38 132.64 | 4 427.36 |
| 1.4 | 1.13 | 10.96 | 7.05 | 33 029.92 | 3 795.68 |
| 1.6 | 0.99 | 9.63 | 5.72 | 29 034.88 | 3 312.96 |
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| 有限元 模型 | 材料 | 弹性 模量/MPa | 泊松比 | 密度/ (kg·m-3) | 屈服 应力/MPa |
| 金属 极板[14-15] | SS316L | 200 000 | 0.30 | 7 800 | 296 |
| GDL[16] | TGP-H-060 | 7.47 | 0.28 | 440 | |
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材料参数
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| 有限元 模型 | 材料 | 弹性 模量/MPa | 泊松比 | 密度/ (kg·m-3) | 屈服 应力/MPa |
| 金属 极板[14-15] | SS316L | 200 000 | 0.30 | 7 800 | 296 |
| GDL[16] | TGP-H-060 | 7.47 | 0.28 | 440 | |
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| 部件 | 电导率/(mΩ·mm)-1 |
| 铜板 | 55.6 |
| 金属极板 | 1.35 |
| GDL | 0.001 25 |
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材料电导率
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| 部件 | 电导率/(mΩ·mm)-1 |
| 铜板 | 55.6 |
| 金属极板 | 1.35 |
| GDL | 0.001 25 |
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| 部件 | 尺寸/mm | 密度/ (kg·m-3) | 弹性 模量/MPa | 泊松比 | 屈服强 度/MPa |
| 双极板[14-15] | 60×135×0.1 | 7 800 | 200 000 | 0.30 | 296 |
| GDL[16] | 60×112×0.19 | 440 | 7.47 | 0.28 | |
| 端板[19-20] | 520×210×30 | 2 800 | 69 000 | 0.33 | 260 |
| 螺栓[20-21] | | 7 850 | 209 000 | 0.28 | 215 |
| 密封胶[21] | 60×4×0.69 | 1 000 | | 0.49 | |
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部件材料参数
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| 部件 | 尺寸/mm | 密度/ (kg·m-3) | 弹性 模量/MPa | 泊松比 | 屈服强 度/MPa |
| 双极板[14-15] | 60×135×0.1 | 7 800 | 200 000 | 0.30 | 296 |
| GDL[16] | 60×112×0.19 | 440 | 7.47 | 0.28 | |
| 端板[19-20] | 520×210×30 | 2 800 | 69 000 | 0.33 | 260 |
| 螺栓[20-21] | | 7 850 | 209 000 | 0.28 | 215 |
| 密封胶[21] | 60×4×0.69 | 1 000 | | 0.49 | |
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| 区域 | 试验平均接触 应力/MPa | 仿真平均接触 应力/MPa | 误差/% |
| 1 | 0.82 | 0.84 | 2.69 |
| 2 | 0.77 | 0.83 | 7.42 |
| 3 | 0.80 | 0.85 | 6.12 |
| 4 | 0.85 | 0.83 | -2.12 |
| 5 | 0.75 | 0.84 | 12.15 |
| 6 | 0.76 | 0.85 | 11.55 |
| 7 | 0.87 | 0.82 | -6.07 |
| 8 | 0.75 | 0.84 | 11.41 |
| 9 | 0.82 | 0.85 | 4.29 |
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GDL表面不同区域接触应力平均值
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| 区域 | 试验平均接触 应力/MPa | 仿真平均接触 应力/MPa | 误差/% |
| 1 | 0.82 | 0.84 | 2.69 |
| 2 | 0.77 | 0.83 | 7.42 |
| 3 | 0.80 | 0.85 | 6.12 |
| 4 | 0.85 | 0.83 | -2.12 |
| 5 | 0.75 | 0.84 | 12.15 |
| 6 | 0.76 | 0.85 | 11.55 |
| 7 | 0.87 | 0.82 | -6.07 |
| 8 | 0.75 | 0.84 | 11.41 |
| 9 | 0.82 | 0.85 | 4.29 |
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| 冲击方向 | 短堆初速度/(m·s-1) |
| X | 4 |
| X | 6 |
| X | 8 |
| Y | 4 |
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仿真矩阵
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| 冲击方向 | 短堆初速度/(m·s-1) |
| X | 4 |
| X | 6 |
| X | 8 |
| Y | 4 |
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| 工况 | 短堆冲击 方向 | 短堆初速度/(m·s-1) | 单电池 所处层 |
| 封装阶段 | | | 1 |
| X_4_2 | X | 4 | 2 |
| X_4_3 | 3 |
| X_4_4 | 4 |
| X_4_5 | 5 |
| X_6_2 | X | 6 | 2 |
| X_6_3 | 3 |
| X_6_4 | 4 |
| X_6_5 | 5 |
| X_8_2 | X | 8 | 2 |
| X_8_3 | 3 |
| X_8_4 | 4 |
| X_8_5 | 5 |
| Y_4_1 | Y | 4 | 1 |
| Y_4_2 | 2 |
| Y_4_3 | 3 |
| Y_4_4 | 4 |
| Y_4_5 | 5 |
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电学仿真分析矩阵
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| 工况 | 短堆冲击 方向 | 短堆初速度/(m·s-1) | 单电池 所处层 |
| 封装阶段 | | | 1 |
| X_4_2 | X | 4 | 2 |
| X_4_3 | 3 |
| X_4_4 | 4 |
| X_4_5 | 5 |
| X_6_2 | X | 6 | 2 |
| X_6_3 | 3 |
| X_6_4 | 4 |
| X_6_5 | 5 |
| X_8_2 | X | 8 | 2 |
| X_8_3 | 3 |
| X_8_4 | 4 |
| X_8_5 | 5 |
| Y_4_1 | Y | 4 | 1 |
| Y_4_2 | 2 |
| Y_4_3 | 3 |
| Y_4_4 | 4 |
| Y_4_5 | 5 |
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