CN201927664U - 新型结构的氢电池集流片 - Google Patents

新型结构的氢电池集流片 Download PDF

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CN201927664U
CN201927664U CN2010206769560U CN201020676956U CN201927664U CN 201927664 U CN201927664 U CN 201927664U CN 2010206769560 U CN2010206769560 U CN 2010206769560U CN 201020676956 U CN201020676956 U CN 201020676956U CN 201927664 U CN201927664 U CN 201927664U
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刘华福
刘瑾豪
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ZHUHAI VAPEX TECHNOLOGY Co Ltd
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ZHUHAI VAPEX TECHNOLOGY Co Ltd
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Abstract

本实用新型涉及一种新型结构的氢电池集流片。所述新型氢电池集流片,其包括一椭圆形的金属正极接触部及分别与该椭圆形正极接触部的相对两边连接的金属条形引导部,该二条形引导部均向同一方向弯折,所述集流片表面均匀设置多个凹点。本实用新型之集流片由于其表面遍布凹点,增加了机械强度,所以集流片可以采用厚度较小的金属片冲压而成,而同时达到现有技术中较厚的金属集流片具有的机械强度,节约材料成本;集流片与正极盖帽内表面及泡沫镍焊接的部位由于有多个凹点从而凹凸不平,使得焊接更牢固,不易脱焊;由于集流片的条形引导部在组装前的制造工艺阶段已弯折,减少了电池组装阶段的工序,减小了电池的不良率。

Description

新型结构的氢电池集流片
技术领域
本实用新型涉及氢电池技术领域,尤其是一种新型结构的氢电池集流片。
背景技术
如图1及图2所示,其分别为现有技术的组装于氢电池中的集流片结构剖面示意图及组装前集流片的平面示意图。组装之前,集流片12为一平面金属片,组装时,将集流片12的两端弯折,将其焊接在氢电池的正极盖帽13的内表面,集流片12的中部焊接于氢电池外壳10内的电池芯11正极端表面即泡沫镍表面,集流片12将正极电流传输至正极盖帽13。现有技术中,集流片12是表面光滑的金属片,这样的结构有以下两个缺点:第一,由于集流片12需经弯折后组装于氢电池内,所以集流片12需要达到一定强度,所以需要一定厚度的金属片制作,成本较高;第二,集流片12需要焊接在电池芯11的正极端,光滑的集流片表面焊接强度不够,容易脱焊,造成电池性能不佳;第三,将集流片12组装入氢电池外壳10内时,需先将集流片12弯折,增加了组装工序,如弯折不好,则增加了电池的不良率。
实用新型内容
针对以上现有的氢电池集流片的不足,本实用新型的目的是提供一种新型的氢电池集流片。
本实用新型的目的是通过采用以下技术方案来实现的:
一种新型氢电池集流片,其包括一椭圆形的金属正极接触部及分别与该椭圆形正极接触部的相对两边连接的金属条形引导部,该二条形引导部均向同一方向弯折,所述集流片表面均匀设置多个凹点。
一种新型的氢电池,其包括一外壳、设置于外壳内的电池芯、一正极盖帽,所述电池芯的一端覆有泡沫镍,其为电池正极,所述新型结构的氢电池集流片的金属条形引导部在其端部弯折,与所述正极盖帽的内表面焊接,其椭圆形正极接触部焊接至泡沫镍表面。
与现有技术相比,本实用新型之集流片由于集流片的表面遍布凹点,具有以下优点:凹凸不平的金属集流片增加了机械强度,所以集流片可以采用厚度较小的金属片冲压而成,而同时达到现有技术中较厚的金属集流片具有的机械强度,可节约材料成本;集流片与正极盖帽内表面及泡沫镍焊接的部位由于有多个凹点从而凹凸不平,使得焊接更牢固,不易脱焊;由于集流片的条形引导部在组装前的制造工艺阶段已弯折,故减少了电池组装阶段的工序,从而减小了电池的不良率。
附图说明
下面结合附图与具体实施例对本实用新型作进一步说明:
图1是现有技术集流片平面结构示意图;
图2是图1中的集流片组装于氢电池内部的结构示意图;
图3是本实用新型集流片的剖视图;
图4是本实用新型集流片的俯视图。
具体实施方式
如图3及图4所示,其为本实用新型集流片的剖视图。一种新型氢电池集流片,其包括一椭圆形的金属正极接触部及分别与该椭圆形正极接触部的相对两边连接的金属条形引导部,该二条形引导部均向同一方向弯折,所述集流片表面均匀设置多个凹点。
一种新型的氢电池(图中未示出),其包括一外壳、设置于外壳内的电池芯、一正极盖帽,所述电池芯的一端覆有泡沫镍,其为电池正极,所述新型结构的氢电池集流片的金属条形引导部在其端部弯折,与所述正极盖帽的内表面焊接,其椭圆形正极接触部焊接至泡沫镍表面。
与现有技术相比,本实用新型之集流片由于集流片的表面遍布凹点,具有以下优点:凹凸不平的金属集流片增加了机械强度,所以集流片可以采用厚度较小的金属片冲压而成,而同时达到现有技术中较厚的金属集流片具有的机械强度,可节约材料成本;集流片与正极盖帽内表面及泡沫镍焊接的部位由于有多个凹点从而凹凸不平,使得焊接更牢固,不易脱焊;由于集流片的条形引导部在组装前的制造工艺阶段已弯折,故减少了电池组装阶段的工序,从而减小了电池的不良率。

Claims (2)

1.一种新型结构的氢电池集流片,其特征在于:包括一椭圆形的金属正极接触部及分别与该椭圆形正极接触部的相对两边连接的金属条形引导部,该二条形引导部均向同一方向弯折,所述集流片表面均匀设置多个凹点。
2.一种采用权利要求1所述的新型结构的氢电池集流片的氢电池,其包括一外壳、设置于外壳内的电池芯、一正极盖帽,所述电池芯的一端覆有泡沫镍,其为电池正极,其特征在于:所述新型氢电池集流片的金属条形引导部在其端部弯折,与所述正极盖帽的内表面焊接,其椭圆形正极接触部焊接至泡沫镍表面。
CN2010206769560U 2010-12-23 2010-12-23 新型结构的氢电池集流片 Expired - Fee Related CN201927664U (zh)

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