质子交换膜燃料电池双极板累积成形研究.pdf
机械设计与制造第3期198Machinery Design & Manufacture2012年3月文章编号:1001-3997(2012)03-0198-03质子交换膜燃料电池双极板累积成形研究王晶晶王匀了盛张园园张凯袁国定(江苏大学机械工程学院,镇江212013)Accumulative forming research for fuel cell bipolar pate ofproton exchange membraneWANG Jing-jing, WANG Yun, DING Sheng, ZHANG Yuan-yuan, ZHANG Kai, YUAN Guo-ding(School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China)摘要)质子交換膜燃料电池双极板是美部件之一,具有隔高和均与分配反应气体、收集导出电流、串联各单电池等功能,大概占电池组质量的80%,是影响电池組性价比的主要原因之。提出了针对微型双极板累积成形新方法,介绍了其工作原理。在此基础上,以蛇形流道为例,利用 ABAQUS模拟软件研究其成形规律,荻得了不同垂直压下量的板厚分布和减薄率情况。结果显示成形后的板料厚度变化呈倒U形,中间区城较均匀;随着垂直压下量的增大,板料的厚度减薄愈大,而且在流道的起点和终点段的厚度变化较大。累积成形过程中成形変化为U形,成形力最大处在下压量的起始点,模拟与实验吻合度较好,验证了累计成形的可行性。关鍵词:燃料电池;双极板;累积成形Abstract A mong different coof fuel cells, the bipolar paof isolatingand uniformly distributing reacts, eming reaction products, collecting and inducing current as well alls bs with the qualitative taking u80%gfshich is one of thes vital components of PEMFC that effects the cost performance of the battery. A new method of accumulative it forming of micro bipolar plate is introduced as well as its working principle. Based on this, the ABAQUSsimulation sofare is used to study the forming la by taking serpentine-type flow as an example, and theblank thickness distribution and the thickness reduction rate in diferent amount of vertica pressing arefer forming with the middle area being relatively uniform While the thickness reduction rate of sheet meti ad turns bigger along with the increase of the quantity of vertical pressure, and thickness change fi metal is bigger at the beginning and the end stage of the flow channelIn accumulative forming processorming force changes into U shape, and the biggest forming force is got at starting point. The better fitnessi between the test results and simulation verifies the feasibility of the accumulative formingKey words: F uel cell; Bipolar plate; Accumulative中图分类号:TH16,TM911.4文献标识码;A可替代能源是国内外的热点。燃料电池由含催化的阳极阴极和随着国际原油的紧缺、环境污染的日趋严重,研究清洁便利的离子导电的电解质构成,是一种把燃料和氧化剂中的化学能直接转次来稿日期:2011-05-25小个最中个小本个鱼个个示个鱼个度小个个个代章个个个最小个个直个个个息个个个皇个个个一个皇示个最个示个个个示代个个个个量个个个个气规律,最大等效应力出现在牛腿与面板的交界处,同时牛腿与法2周奇才,郑字轩,李炳杰地铁盾构刀盘改造的有限元分析J!中国工程机械学报,2008,6(2):188-193兰盘以及面板与辅梁的连接处有较大的应力。最大应力为2303夏毅敏,周喜温,刘玉江,等某型士压平衡盾构刀盘有限元分析郑Pa,最大变形为2098m。(3)由于该刀盘结构设计合理,在实州大学学报(工学版),2009,30(3):70-74.际掘进过程中具有较高的强度和刚度裕量,满足工程需要,目前4宋克志,李传明,袁大军盾构隧道施工盘形滚刀推力分布规律研究J.岩石力学与工程学报,2008,27(增2):3875-3881该刀盘已应于某地铁隧道施工,效果较好。硏究结果可为同类刀5吕强,傅德明,土压平衡盾枃掘进机刀盘扭矩模拟试验研究J!若石盘的结构设计和工程施工维护提供基础数据。力学与工程学报,2006,25(1):3137-31436从明,房波,周资亮.车-车拉数控机床托板有限元分析及优化设计J参考文献中国机械工程,2008,19(2):208-213t刘进志,智小慧,郭京波,盾构掘削刀具简述J1.工程机械,20040):7王良模,吴长风,王晨至待种车辆方舱结构的有限元分析J南京理工大学学报:自然科学版,2008,32(6):707-709.
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机械设计与制造
第3期
198
Machinery Design & Manufacture
2012年3月
文章编号:1001-3997(2012)03-0198-03
质子交换膜燃料电池双极板累积成形研究
王晶晶王匀了盛张园园张凯袁国定
(江苏大学机械工程学院,镇江212013)
Accumulative forming research for fuel cell bipolar pate of
proton exchange membrane
WANG Jing-jing, WANG Yun, DING Sheng, ZHANG Yuan-yuan, ZHANG Kai, YUAN Guo-ding
(School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China)
摘要)』质子交換膜燃料电池双极板是美部件之一,具有隔高和均与分配反应气体、收集导出
电流、串联各单电池等功能,大概占电池组质量的80%,是影响电池組性价比的主要原因之ー。提出了」
针对微型双极板累积成形新方法,介绍了其工作原理。在此基础上,以蛇形流道为例,利用 ABAQUS模
拟软件研究其成形规律,荻得了不同垂直压下量的板厚分布和减薄率情况。结果显示成形后的板料厚
度变化呈倒U形,中间区城较均匀;随着垂直压下量的增大,板料的厚度减薄愈大,而且在流道的起点
和终点段的厚度变化较大。累积成形过程中成形カ変化为U形,成形力最大处在下压量的起始点,模拟
与实验吻合度较好,验证了累计成形的可行性。
关鍵词:燃料电池;双极板;累积成形
Abstract] A mong different co
of fuel cells, the bipolar pa
of isolating
and uniformly distributing reacts, eming reaction products, collecting and inducing current as well a
lls b
s with the qualitative taking u
80%gf
shich is one of the
s vital components of PEMFC that effects the cost performance of the battery. A new method of accumulative i
t forming of micro bipolar plate is introduced as well as its working principle. Based on this, the ABAQUS
simulation sofare is used to study the forming la by taking serpentine-type flow as an example, and the
blank thickness distribution and the thickness reduction rate in diferent amount of vertica pressing are
fer forming with the middle area being relatively uniform While the thickness reduction rate of sheet met
i ad turns bigger along with the increase of the quantity of vertical pressure, and thickness change f
i metal is bigger at the beginning and the end stage of the flow channelIn accumulative forming process
orming force changes into U shape, and the biggest forming force is got at starting point. The better fitness
i between the test results and simulation verifies the feasibility of the accumulative forming
Key words: F uel cell; Bipolar plate; Accumulative
中图分类号:TH16,TM911.4文献标识码;A
可替代能源是国内外的热点。燃料电池由含催化的阳极阴极和
随着国际原油的紧缺、环境污染的日趋严重,研究清洁便利的离子导电的电解质构成,是一种把燃料和氧化剂中的化学能直接转
次来稿日期:2011-05-25
小个最中个小本个鱼个个示个鱼个度小个个●个代章个个个最小个个直个个个息个个个皇个个
个一个皇示个最个示个个个示代个个个个量个个个个气
规律,最大等效应力出现在牛腿与面板的交界处,同时牛腿与法[2」周奇才,郑字轩,李炳杰地铁盾构刀盘改造的有限元分析J!中国工
程机械学报,2008,6(2):188-193
兰盘以及面板与辅梁的连接处有较大的应力。最大应力为230[3]夏毅敏,周喜温,刘玉江,等某型士压平衡盾构刀盘有限元分析郑
Pa,最大变形为2098m。(3)由于该刀盘结构设计合理,在实
州大学学报(工学版),2009,30(3):70-74.
际掘进过程中具有较高的强度和刚度裕量,满足工程需要,目前4]宋克志,李传明,袁大军盾构隧道施工盘形滚刀推力分布规律研究
[J].岩石力学与工程学报,2008,27(增2):3875-3881
该刀盘已应于某地铁隧道施工,效果较好。硏究结果可为同类刀[5]吕强,傅德明,土压平衡盾枃掘进机刀盘扭矩模拟试验研究[J!若石
盘的结构设计和工程施工维护提供基础数据。
力学与工程学报,2006,25(1):3137-3143
[6]从明,房波,周资亮.车-车拉数控机床托板有限元分析及优化设计[J]
参考文献
中国机械工程,2008,19(2):208-213
[t]刘进志,智小慧,郭京波,盾构掘削刀具简述[J1.工程机械,20040):「7]王良模,吴长风,王晨至待种车辆方舱结构的有限元分析J]南京理
工大学学报:自然科学版,2008,32(6):707-709.
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