CN105849938A - 电化学设备 - Google Patents

电化学设备 Download PDF

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CN105849938A
CN105849938A CN201480064467.0A CN201480064467A CN105849938A CN 105849938 A CN105849938 A CN 105849938A CN 201480064467 A CN201480064467 A CN 201480064467A CN 105849938 A CN105849938 A CN 105849938A
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弗拉迪米尔·列奥尼多维奇·杜曼诺夫
基纳迪·彼得罗维奇·费多托夫
雅罗斯拉夫·安德里维奇·曼斯科夫
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Abstract

本发明涉及电力工程，更具体地，涉及固态电化学电流源，诸如例如，蓄电池和超级电容器组。电化学设备包括壳体部件、阴极集电管线、阳极集电管线和封装组件。该封装组件包括电化学单体电池。该电化学单体电池由具有通孔的层压外壳、阴极集电端子和阳极集电端子、和电极组件构成。每个电化学单体电池的电极组件由设置在集电端子之间的并且在平辊中卷绕的极性相反的两个电极构成。电极被固定到集电基板。一个极性的电极的所述集电基板通过辊的一个端面与一个集电端子电性地耦合，并且相反极性的电极的集电基板通过电极辊的相反侧与另一集电端子电性地耦合。集电端子的长度和宽度与电极辊的长度和宽度相对应，而其厚度不小于与其连接的电极基板层的总厚度。本发明简化了电化学设备的构造，同时维持其效率。

Description

电化学设备
技术领域
本发明涉及电力工程，更具体地，涉及固态电化学电流源，诸如例如，蓄电池和超级电容器组。
背景技术
本领域中已知的是一种电化学设备，包括壳体部件、阴极集电管线、阳极集电管线和封装组件，该封装组件包括由具有通孔的层压外壳、阴极集电端子和阳极集电端子、和电极组件(参见，于2013年10月27日出版的专利RU 133976，Cl.H01M 10/00)构成的电化学单体电池。现有技术设备的缺点是必需相当复杂且昂贵的器材用于大量电极和隔板的顺序组装，并且所述设备的另一缺点是由于可能由多个边缘导致的非常可能的短路而引起的低性能可靠性。
发明内容
因此，本发明的目的是消除上述缺点。本文中所提出的技术结果通过简化电化学设备的结构，同时维持其效率来获得。所要求保护的对象和技术效果通过提供一种电化学设备来完成，该电化学设备包括壳体部件、阴极集电管线、阳极集电管线和封装组件，该封装组件包括由具有通孔的层压外壳、阴极集电端子和阳极集电端子、和电极组件构成的电化学单体电池，并且其中，根据本发明，每个电化学单体电池的电极组件由合适地设置在集电端子之间的并且在平辊中卷绕的极性相反的两个电极构成，所述电极被固定到集电基板，并且两个隔板处在其间，其中，一个极性的电极的集电基板通过辊的一个端面与一个集电端子电性地耦合，并且相反极性的电极的集电基板通过电极辊的相反侧与另一集电端子电性地耦合，而集电端子的长度和宽度与电极辊的长度和宽度相对应，而其厚度不小于与其连接的电极基板层的总厚度。或∧形凹槽优选地在电化学单体电池的集电端子接合电极基板的地方制作，所述凹槽被设计成接收具有切口的预制电极基板，每个的宽度为1mm至10mm并且深度是从基板边缘到隔板边缘。每个电化学单体电池的集电端子优选具有高达或高于层压外壳厚度的小突起，其中，每个小突起进入层压外壳的通孔并且小突起内部填充有压载材料与集电端子的内部表面齐平。层压外壳的侧壁可以具有几个正方形、矩形、六边形、三角形或圆形开口，而这样的开口的总面积是电极辊面积的0.01至0.99。
附图说明
现在，参照结合附图进行的具体实施例，对本发明进行描述，其中：
图1图示了本文中所提出的电化学设备的基本部件；
图2图示了电极组件单体电池的部件；
图3图示了电极基板层和集电管线之间的连接；
图4是具有切口和斜角切的电极辊的概略端视图；
图5是同图4的侧视图；
图6是集电端子设计。
具体实施方式
本文中所提出的电化学设备(图1)由壳体部件组成：用来将电化学压缩电池保持在适当位置的凸缘1和系紧元件2、阴极和阳极集电管线3、和封装组件，该封装组件由电化学单体电池4和电流传导除热板5构成。电化学单体电池4在0.05至2.0MPa的特定压力下由系紧元件2在凸缘1之间进行压缩。
每个电化学单体电池4被围合在具有通孔的层压外壳6中，并且包括阴极集电端子7和阳极集电端子8和电极组件。电极组件由合适地设置在集电端子7-8之间并且在平辊中卷绕的极性相反的两个电极9，9'构成，所述电极表示活性物质附接到柔性集电基板11(11')的电极材料10(10')。
每个电极的集电基板11(11')的长度不受电极材料影响，所述长度基本上以提供用于在基板和集电端子7-8之间的切换的缘边的形式。一个极性的电极的电流传导基板11的缘边突出一侧上的辊端面之上并且与相同极性的集电端子7电性地耦合。极性相反的电极的电流传导基板11'的缘边突出相反侧上的辊端面之上并且与相反极性的集电端子8电性地耦合。
电极9，9'由隔板12和12'隔开，并且连同集电端子7-8与电解质一起被封装在气密层压外壳6中。外壳6的侧壁具有通孔13，经由其提供设备的元件间切换。在密封插入件的帮助下通孔13在等于集电端子7-8的3到10个厚度的宽度上沿着它们的外周连接到相应的集电端子7-8。
集电端子7-8的长度和宽度与电极辊的长度和宽度相对应，而其厚度不小于与其连接的电极基板11-11'的各个层的总厚度。
为了更简单和快速的适配并且为了电极辊和电解质的更好浸渍，在电极基板11-11'的缘边制作宽度为1mm至10mm并且深度从基板11-11'的边缘到隔板12-12'的边缘的切口15。Π-或Λ形凹槽16优选在电化学单体电池接合电极基板11-11'的地方制作，所述凹槽被设计成接收具有切口15的预制电极基板11-11'。电极基板11-11'的缘边插入其中的凹槽16被压接并且焊接。角度被切割(如图4和图5所示)以保护层压外壳6不受内部损坏。
集电端子7-8设置有高达或高于层压外壳6厚度的小突起17，其中，小突起17进入通孔13。小突起17被设计成补偿层压外壳6的宽度并且当电化学单体电池被组装在设备中时，提供均匀的电性接触面积。小突起17内部填充有压载材料与集电端子7-8的内部表面齐平，以提供用于压缩力从集电端子7-8到电极辊的均匀传输。
电流传导除热板5被合适地设置在电化学单体电池4之间，所述板设置有散热鳍片并且用来去除热量(如果需要)并且连接平衡电化学单体电池4的电性参数的电路(如果有的话)。
层压外壳6的侧壁可以附加地具有几个正方形、矩形、六边形、三角形或圆形开口或其它形式的开口，而这样的开口的总面积是电极面积的0.01到0.99。
本发明改进构造制造性，降低成本，并且提高了电化学设备的操作效率和可靠性。

Claims (4)

1.一种电化学设备，包括壳体部件、阴极集电管线、阳极集电管线和封装组件，该封装组件包括由具有通孔的层压外壳、阴极集电端子和阳极集电端子、和电极组件构成的电化学单体电池，其特征在于，根据本发明，每个电化学单体电池的所述电极组件由合适地设置在所述集电端子之间的并且在平辊中卷绕的极性相反的两个电极构成，所述电极被固定到集电基板，并且两个隔板处在其间，其中，一个极性的所述电极的所述集电基板通过所述辊的一个端面与一个集电端子电性地耦合，并且相反极性的所述电极的所述集电基板通过电极辊的相反侧与另一集电端子电性地耦合，而所述集电端子的长度和宽度与所述电极辊的长度和宽度相对应，而其厚度不小于与其连接的电极基板层的总厚度。
2.根据权利要求1所述的电化学设备，其特征在于，Π-或Λ形凹槽优选地在所述电化学单体电池的所述集电端子接合所述电极基板的地方制作，所述凹槽被设计成接收具有切口的预制电极基板，每个的宽度为1mm至10mm并且深度是从所述基板边缘到所述隔板边缘。
3.根据权利要求1所述的电化学设备，其特征在于，每个电化学单体电池的所述集电端子具有高达或高于所述层压外壳厚度的小突起，其中，每个小突起进入所述层压外壳的所述通孔并且所述小突起内部填充有压载材料与所述集电端子的内部表面齐平。
4.根据权利要求1所述的电化学设备，其特征在于，所述层压外壳的侧壁可以具有几个正方形、矩形、六边形、三角形或圆形开口，而这样的开口的总面积是所述电极辊面积的0.01至0.99。
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