Article(id=1154040960062313110, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1154040955071095059, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2024.1.110, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1620576000000, receivedDateStr=2021-05-10, revisedDate=1628006400000, revisedDateStr=2021-08-04, acceptedDate=1631030400000, acceptedDateStr=2021-09-08, onlineDate=1753074405922, onlineDateStr=2025-07-21, pubDate=1706544000000, pubDateStr=2024-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753074405922, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753074405922, creator=13701087609, updateTime=1753074405922, updator=13701087609, issue=Issue{id=1154040955071095059, tenantId=1146029695717560320, journalId=1146031654075715584, year='2024', volume='22', issue='1', pageStart='1', pageEnd='235', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753074404733, creator=13701087609, updateTime=1753781011721, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157004679654760494, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1154040955071095059, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157004679654760495, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1154040955071095059, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=110, endPage=118, ext={EN=ArticleExt(id=1154040960938922650, articleId=1154040960062313110, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Influences of Configuration Characteristic Parameters of PEMFC Differential Pressure Channel on Cell Performance, columnId=1152281491788100462, journalTitle=Journal of Power Supply, columnName=Battery and Energy Storage, runingTitle=null, highlight=null, articleAbstract=
Aimed at the problem that the influencing mechanism of configuration size of a differential pressure channel in proton exchange membrane fuel cell(PEMFC) for the cell's electrochemical performance is unclear, the influences of channel height and rib width on the oxygen concentration, water concentration distribution characteristics, current density, power density, and pressure drop of a differential pressure channel and a straight channel are studied, and a comparative analysis of the two kinds of channels is performed. Results show that channel height has little effect on both channels, but the differential pressure channel has an obvious advantage when its rib width is 1.25 mm or 1.5 mm. The influence of pressure converter area on the performance of the differential pressure channel is further studied, and results show that its peak power density is the highest when the height and length of the pressure converter area are 0.05 mm and 1.5 mm, respectively. With the comprehensive consideration of influences on power density and pressure drop, the differential pressure channel with a height of 0.4 mm, width of 1.25 mm, rib width of 1.25 mm, and a pressure converter area with a length of 1.5 mm and height of 0.05 mm is selected. In this case, its peak power density is 0.366 1 W/cm², which is 6.3% higher than that of the straight channel.
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针对质子交换膜燃料电池 PEMFC(proton exchange membrane fuel cell)压差流道构型尺寸对电池电化学性能影响机理不明的问题,研究流道高度和脊背宽度对压差流道和直流道在氧气浓度、水浓度分布特征和电流密度、功率密度、压降等方面影响规律,并对两者进行了对比分析,结果表明流道高度对压差流道和直流道性能影响较小,压差流道在脊背宽度为1.25mm和1.50mm时具有明显优势;进一步研究压差流道变压区对流道性能的影响,结果表明变压区高度为0.05mm和长度为1.50mm时,压差流道峰值功率密度最高。综合考虑功率密度和压降的影响,选择压差流道高 0.40 mm、宽1.25 mm、脊背宽 1.25 mm、变压区长1.50 mm、高0.05 mm,此时压差流道峰值功率密度为0.3661 W/cm²,相较于直流道峰值功率密度提升6.3%。
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 |
赵富强(1981-),男,博士,副教授。研究方向:新能源汽车与氢燃料电池设计制造。E-mail:zfqgear@163.com。 |
贾彦奎(1997-),男,中国电源学会学生会员,通信作者,硕士研究生。研究方向:燃料电池系统的建模。E-mail: 1727368309@qq.com。
赵小军(1982-),男,博士。研究方向:新能源汽车动力系统设计。E-mail:zhaoxiao jun@weichai.com。
祁慧青(1994-),女,中国电源学会学生会员,硕士研究生。研究方向:氢燃料电池设计制造。E-mail: 1668357381@qq.com。
范晓宇(1992-),男,硕士。研究方向:电池管理系统。E-mail:2468576128@qq.com。
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贾彦奎(1997-),男,中国电源学会学生会员,通信作者,硕士研究生。研究方向:燃料电池系统的建模。E-mail: 1727368309@qq.com。
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Polarization and power density curves at different channel heights, figureFileSmall=yBHBTjz6YnGyMj5Wn7fBxw==, figureFileBig=EwTkBU+ix1riC2h2RFuM8w==, tableContent=null), ArticleFig(id=1154041047349973676, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图5, caption=
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Peak power density and pressure drop at different channel heights, figureFileSmall=KeGUdTQXeD364X8CRY1heA==, figureFileBig=+nOJFZ8ueByJNz0OsHAuSQ==, tableContent=null), ArticleFig(id=1154041047479997104, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图6, caption=
不同流道高度功率密度峰值和压降, figureFileSmall=KeGUdTQXeD364X8CRY1heA==, figureFileBig=+nOJFZ8ueByJNz0OsHAuSQ==, tableContent=null), ArticleFig(id=1154041047530328754, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Fig. 7, caption=
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Cathode water concentration distribution at different rib widths, figureFileSmall=gn7sinLhNW4grwBx7d0zuw==, figureFileBig=qFLF99uAM6GxGtSrimD1kw==, tableContent=null), ArticleFig(id=1154041047698100919, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图8, caption=
不同脊背宽度阴极水浓度分布, figureFileSmall=gn7sinLhNW4grwBx7d0zuw==, figureFileBig=qFLF99uAM6GxGtSrimD1kw==, tableContent=null), ArticleFig(id=1154041047748432569, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Fig. 9, caption=
Polarization and power density curves at different rib widths, figureFileSmall=a4by+q/18iB5GM/xhAcL8Q==, figureFileBig=VG5GCoMJIKHDyCQMyar85A==, tableContent=null), ArticleFig(id=1154041047794569915, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图9, caption=
不同脊背宽度极化曲线和功率密度曲线, figureFileSmall=a4by+q/18iB5GM/xhAcL8Q==, figureFileBig=VG5GCoMJIKHDyCQMyar85A==, tableContent=null), ArticleFig(id=1154041047840707261, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Fig. 10, caption=
Peak power density and pressure drop at different rib widths, figureFileSmall=/imgfuxWp7lFQQrAGGW8rA==, figureFileBig=S2zqUBLpjhl2eEHiBfyB6w==, tableContent=null), ArticleFig(id=1154041047903621823, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图10, caption=
不同脊背宽度功率密度峰值和压降, figureFileSmall=/imgfuxWp7lFQQrAGGW8rA==, figureFileBig=S2zqUBLpjhl2eEHiBfyB6w==, tableContent=null), ArticleFig(id=1154041047970730689, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Fig. 11, caption=
Oxygen concentration, peak power density and pressure drop at different heights of pressure converter area, figureFileSmall=MVVi6j1DqeA28pAY3QwYvg==, figureFileBig=ID1+nHy8WXEzR2JzR1ZCUg==, tableContent=null), ArticleFig(id=1154041048037839555, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图11, caption=
变压区不同高度氧气浓度、峰值功率密度和压降, figureFileSmall=MVVi6j1DqeA28pAY3QwYvg==, figureFileBig=ID1+nHy8WXEzR2JzR1ZCUg==, tableContent=null), ArticleFig(id=1154041048113337029, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Fig. 12, caption=
Oxygen concentration, peak power density and pressure drop at different lengths of pressure converter area, figureFileSmall=ULcAJ5QExiOc3WNngve/aQ==, figureFileBig=jPGXDDRU6JDa6y2ZFj628A==, tableContent=null), ArticleFig(id=1154041048163668679, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=图12, caption=
变压区不同长度氧气浓度、峰值功率密度和压降, figureFileSmall=ULcAJ5QExiOc3WNngve/aQ==, figureFileBig=jPGXDDRU6JDa6y2ZFj628A==, tableContent=null), ArticleFig(id=1154041048230777545, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Tab. 1, caption=
Model parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 配气流道长$d/\mathrm{{mm}}$ | 0.5 |
| 流道长$L/\mathrm{{mm}}$ | 20 |
| 气体扩散层厚/mm | ${0.38}^{\left\lbrack {15}\right\rbrack }$ |
| 催化层厚/mm | ${0.05}^{\left({15}\right)}$ |
| 质子交换膜厚/mm | ${0.1}^{\left\lbrack {15}\right\rbrack }$ |
| 电池温度/℃ | 80 |
| 参考压强/Pa | ${1.01}\times {10}^{5\left\lbrack {15}\right\rbrack }$ |
| 膜电导率$/\left({\mathrm{S}\cdot {\mathrm{m}}^{-1}}\right)$ | ${9.825}^{\left\lbrack {15}\right\rbrack }$ |
| 扩散层孔隙率 | ${0.4}^{\left\lbrack {15}\right\rbrack }$ |
| 扩散层渗透率$/{\mathrm{m}}^{2}$ | ${1.18}\times {10}^{-{11}\left\lbrack {11}\right\rbrack }$ |
| 扩散层电导率$/\left({\mathrm{S}\cdot {\mathrm{m}}^{-1}}\right)$ | ${222}^{\left({15}\right)}$ |
| 扩散层相体积分数 | ${0.3}^{\left\lbrack {15}\right\rbrack }$ |
| 氢气参考浓度$/\left({\mathrm{{mol}}\cdot {\mathrm{m}}^{-3}}\right)$ | ${40.88}^{\left\lbrack {15}\right\rbrack }$ |
| 氧气参考浓度$/\left({\mathrm{{mol}}\cdot {\mathrm{m}}^{-3}}\right)$ | ${40.88}^{\left\lbrack {15}\right\rbrack }$ |
| 阳极气体粘度/(Pa·s) | ${1.19}\times {10}^{-5\left\lbrack {15}\right\rbrack }$ |
| 阴极气体粘度/(Pa·s) | ${2.46}\times {10}^{-5\left\lbrack {15}\right\rbrack }$ |
| 阳极过量系数 | 2 |
| 阴极过量系数 | 2 |
), ArticleFig(id=1154041048293692107, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=表1, caption=
模型参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 配气流道长$d/\mathrm{{mm}}$ | 0.5 |
| 流道长$L/\mathrm{{mm}}$ | 20 |
| 气体扩散层厚/mm | ${0.38}^{\left\lbrack {15}\right\rbrack }$ |
| 催化层厚/mm | ${0.05}^{\left({15}\right)}$ |
| 质子交换膜厚/mm | ${0.1}^{\left\lbrack {15}\right\rbrack }$ |
| 电池温度/℃ | 80 |
| 参考压强/Pa | ${1.01}\times {10}^{5\left\lbrack {15}\right\rbrack }$ |
| 膜电导率$/\left({\mathrm{S}\cdot {\mathrm{m}}^{-1}}\right)$ | ${9.825}^{\left\lbrack {15}\right\rbrack }$ |
| 扩散层孔隙率 | ${0.4}^{\left\lbrack {15}\right\rbrack }$ |
| 扩散层渗透率$/{\mathrm{m}}^{2}$ | ${1.18}\times {10}^{-{11}\left\lbrack {11}\right\rbrack }$ |
| 扩散层电导率$/\left({\mathrm{S}\cdot {\mathrm{m}}^{-1}}\right)$ | ${222}^{\left({15}\right)}$ |
| 扩散层相体积分数 | ${0.3}^{\left\lbrack {15}\right\rbrack }$ |
| 氢气参考浓度$/\left({\mathrm{{mol}}\cdot {\mathrm{m}}^{-3}}\right)$ | ${40.88}^{\left\lbrack {15}\right\rbrack }$ |
| 氧气参考浓度$/\left({\mathrm{{mol}}\cdot {\mathrm{m}}^{-3}}\right)$ | ${40.88}^{\left\lbrack {15}\right\rbrack }$ |
| 阳极气体粘度/(Pa·s) | ${1.19}\times {10}^{-5\left\lbrack {15}\right\rbrack }$ |
| 阴极气体粘度/(Pa·s) | ${2.46}\times {10}^{-5\left\lbrack {15}\right\rbrack }$ |
| 阳极过量系数 | 2 |
| 阴极过量系数 | 2 |
), ArticleFig(id=1154041048360800973, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=EN, label=Tab. 2, caption=
Simulation schemes, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 流道高$H/\mathrm{{mm}}$ | 流道宽${W}_{\mathrm{c}}/\mathrm{{mm}}$ | 脊背宽${W}_{\mathrm{r}}/\mathrm{{mm}}$ | 变压区高$h/\mathrm{{mm}}$ | 变压区长$l/\mathrm{{mm}}$ |
| 1 | 0.30 | 1.25 | 1.25 | 0.05 | 1.75 |
| 2 | 0.35 | 1.25 | 1.25 | 0.05 | 1.75 |
| 3 | 0.40 | 1.25 | 1.25 | 0.05 | 1.75 |
| 4 | 0.45 | 1.25 | 1.25 | 0.05 | 1.75 |
| 5 | 0.50 | 1.25 | 1.25 | 0.05 | 1.75 |
| 6 | 0.40 | 1.25 | 0.50 | 0.05 | 1.75 |
| 7 | 0.40 | 1.25 | 0.75 | 0.05 | 1.75 |
| 8 | 0.40 | 1.25 | 1.00 | 0.05 | 1.75 |
| 9 | 0.40 | 1.25 | 1.50 | 0.05 | 1.75 |
| 10 | 0.40 | 1.25 | 1.25 | 0 | 1.75 |
| 11 | 0.40 | 1.25 | 1.25 | 0.10 | 1.75 |
| 12 | 0.40 | 1.25 | 1.25 | 0.15 | 1.75 |
| 13 | 0.40 | 1.25 | 1.25 | 0.20 | 1.75 |
| 14 | 0.40 | 1.25 | 1.25 | 0.25 | 1.75 |
| 15 | 0.40 | 1.25 | 1.25 | 0.30 | 1.75 |
| 16 | 0.40 | 1.25 | 1.25 | 0.35 | 1.75 |
| 17 | 0.40 | 1.25 | 1.25 | 0.05 | 0.25 |
| 18 | 0.40 | 1.25 | 1.25 | 0.05 | 0.75 |
| 19 | 0.40 | 1.25 | 1.25 | 0.05 | 1.25 |
| 20 | 0.40 | 1.25 | 1.25 | 0.05 | 1.50 |
| 21 | 0.40 | 1.25 | 1.25 | 0.05 | 2.25 |
| 22 | 0.40 | 1.25 | 1.25 | 0.05 | 2.75 |
), ArticleFig(id=1154041048453075663, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154040960062313110, language=CN, label=表2, caption=
仿真方案, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 流道高$H/\mathrm{{mm}}$ | 流道宽${W}_{\mathrm{c}}/\mathrm{{mm}}$ | 脊背宽${W}_{\mathrm{r}}/\mathrm{{mm}}$ | 变压区高$h/\mathrm{{mm}}$ | 变压区长$l/\mathrm{{mm}}$ |
| 1 | 0.30 | 1.25 | 1.25 | 0.05 | 1.75 |
| 2 | 0.35 | 1.25 | 1.25 | 0.05 | 1.75 |
| 3 | 0.40 | 1.25 | 1.25 | 0.05 | 1.75 |
| 4 | 0.45 | 1.25 | 1.25 | 0.05 | 1.75 |
| 5 | 0.50 | 1.25 | 1.25 | 0.05 | 1.75 |
| 6 | 0.40 | 1.25 | 0.50 | 0.05 | 1.75 |
| 7 | 0.40 | 1.25 | 0.75 | 0.05 | 1.75 |
| 8 | 0.40 | 1.25 | 1.00 | 0.05 | 1.75 |
| 9 | 0.40 | 1.25 | 1.50 | 0.05 | 1.75 |
| 10 | 0.40 | 1.25 | 1.25 | 0 | 1.75 |
| 11 | 0.40 | 1.25 | 1.25 | 0.10 | 1.75 |
| 12 | 0.40 | 1.25 | 1.25 | 0.15 | 1.75 |
| 13 | 0.40 | 1.25 | 1.25 | 0.20 | 1.75 |
| 14 | 0.40 | 1.25 | 1.25 | 0.25 | 1.75 |
| 15 | 0.40 | 1.25 | 1.25 | 0.30 | 1.75 |
| 16 | 0.40 | 1.25 | 1.25 | 0.35 | 1.75 |
| 17 | 0.40 | 1.25 | 1.25 | 0.05 | 0.25 |
| 18 | 0.40 | 1.25 | 1.25 | 0.05 | 0.75 |
| 19 | 0.40 | 1.25 | 1.25 | 0.05 | 1.25 |
| 20 | 0.40 | 1.25 | 1.25 | 0.05 | 1.50 |
| 21 | 0.40 | 1.25 | 1.25 | 0.05 | 2.25 |
| 22 | 0.40 | 1.25 | 1.25 | 0.05 | 2.75 |
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