CN105164831B - 包括气体排放构件和电解质注入构件的电池 - Google Patents

包括气体排放构件和电解质注入构件的电池 Download PDF

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CN105164831B
CN105164831B CN201480024214.0A CN201480024214A CN105164831B CN 105164831 B CN105164831 B CN 105164831B CN 201480024214 A CN201480024214 A CN 201480024214A CN 105164831 B CN105164831 B CN 105164831B
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battery
liquid electrolyte
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吴世橒
金锡九
李恩周
崔复圭
金帝暎
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Abstract

本发明提供一种了电池,包括:单体,该单体具有被设置在电池壳体的内部空间中的层压电极和电解质;气体排放构件,该气体排放构件可连通地连接到内部空间,用于将在内部产生的气体排放到外部;以及液体电解质注入构件,该液体电解质注入构件可连通地连接到内部空间,用于将电解质注入到内部空间中。

Description

包括气体排放构件和电解质注入构件的电池
技术领域
本发明涉及一种包括气体排放构件和电解质注入构件的电池。
背景技术
随着移动装置已经日益发展,并且对于这样的移动装置的需求已经增加,作为用于移动装置的能源对于二次电池的需求也已经急剧地增加。在这样的二次电池当中是是具有高的能量密度和放电电压的锂二次电池,已经对锂二次电池进行许多的研究并且现在锂二次电池被商业化并且被广泛地使用。
通常,二次电池被构造成具有下述结构,其中包括在分隔物被布置在正电极和负电极之间的状态下堆叠或者缠绕的正电极和负电极的电极组件被安装在由金属罐或者层压片制成的电池壳体中,并且电解质被注入到电池壳体中或者电极组件被浸渍有电解质。
在二次电池的重复充电和放电期间二次电池中的电极被分解。结果,从二次电池产生气体。特别对于袋状二次电池,被安装在二次电池中的电池单体被密封在真空状态下使得最小化在电池单体和外部空气之间的接触。为此,基本上不能够将被产生的气体排放到电池单体外部并且进一步将电解质注入到电池单体中。
因此,存在对于能够解决上述问题的新颖的锂二次电池的高度需求。
发明内容
技术问题
已经做出本发明以解决上述问题和尚未解决的其它技术问题。
本发明的目的是为了提供一种电池,电解质能够进一步被注入到该电池中并且在该电池中产生的气体能够从该电池排放。
技术解决方案
根据本发明的一个方面,通过提供如下一种电池能够完成上面的和其它的目的,该电池包括:单体,该单体具有被安装在电池壳体的内部空间中的电极层压物和液体电解质;气体排放构件,该气体排放构件与电池壳体的内部空间连通,用于将在单体中产生的气体排放到单体的外部;以及液体电解质注入构件,该液体电解质注入构件与电池壳体的内部空间连通,用于将液体电解质注入到电池壳体的内部空间中。
如上所述,根据本发明的电池包括:气体排放构件和液体电解质注入构件。因此,能够将液体电解质进一步注入到电池中并且将在电池中产生的气体容易地排放到电池的外部。
气体排放构件可以包括:管构件,该管构件与电池壳体的内部空间连通;和不透液体材料的多孔膜,该不透液体材料的多孔膜被安装在管构件的一端处。
多孔膜可以具有0.1nm至1nm的孔隙尺寸。如果多孔膜的孔隙尺寸小于0.1nm,则气体不可以被顺利地排放。另一方面,如果多孔膜的孔隙尺寸大于1nm,则可以通过多孔膜透过液体电解质。为此,多孔膜可以具有在上面限定的孔隙尺寸的范围。
气体排放构件可以进一步包括抽吸构件,该抽吸构件被安装在管构件的另一端处。
具体地,抽吸构件可以是抽吸泵。
液体电解质注入构件可以包括:管构件,该管构件与电池壳体的内部空间连通;和液体电解质储存罐,该液体电解质储存罐被安装在管构件的一端处。
液体电解质注入构件可以进一步包括反向流动防止构件,该反向流动防止构件被安装在管构件的另一端处。
具体地,反向流动防止构件可以是止回阀。
止回阀可以包括:中心销;第一隔膜,该第一隔膜被固定地联接到管构件,第一隔膜被设置有中空部分和通孔,中心销延伸通过该中空部分,通过该通孔注入液体电解质;第二隔膜,该第二隔膜被联接到中心销的一端,第二隔膜被联接到第一隔膜或者从第一隔膜分离,用于打开和关闭管构件;以及弹性构件,该弹性构件用于维持在第一隔膜和第二隔膜之间的联接状态。
弹性构件可以是压缩弹簧。
单体可以是袋状单体,该袋状单体包括:空间部分,该空间部分具有被安装在其中的电极层压物和电解质;和密封部分,该密封部分包围空间部分,密封部分被设置有通孔,该通孔被联接到液体电解质注入构件的管构件和气体排放构件的管构件。
反向流动防止构件可以进一步被安装在通孔中的每一个的一端处。
根据本发明的另一方面,提供一种电池模块,该电池模块包括作为单元电池的具有上述构造的电池。
根据本发明的另一方面,提供一种电池组,该电池组包括作为单元模块的电池模块。
根据本发明的又一方面,提供一种包括作为电源的电池组的装置。具体地,该装置可以是选自如下组的任一个,该组由移动电话、便携式计算机、智能电话、智能板、笔记本计算机、轻型电动车辆(LEV)、电动车辆、混合动力电动车辆、插电式混合动力电动车辆以及电力储存装置组成。
在本发明属于的领域中公知该装置的结构和制造方法,并且因此其详细描述将会被省略。
附图说明
从结合附图所作的下面详细的描述中将会更加清楚地理解本发明的以上和其它的目的、特征以及其它优点,其中:
图1是示出根据本发明的实施例的电池的典型视图。
具体实施方式
现在,将会参考附图详细地描述本发明的示例性实施例。然而,应注意的是,本发明的范围不受图示的实施例限制。
图1是根据本发明的实施例的电池的典型视图。
参考图1,电池10包括单体100、气体排放构件200以及液体电解质注入构件300。
气体排放构件200包括管构件210、不透液体材料的多孔膜220以及抽吸泵230。
根据气体排放构件200的抽吸泵230的操作,经由管构件210将在单体100中产生的气体排放到单体100的外部。多孔膜220防止液体电解质在上述过程期间经由管构件210被排放到单体100的外部。
液体电解质注入构件200包括管构件310、止回阀320以及液体电解质储存罐330。
在气体被排放到电池10的外部之后,被储存在液体电解质注入构件300的液体电解质储存罐330中的液体电解质经由管构件310被注入到单体100中。止回阀320防止液体电解质从单体100反向流动到液体电解质储存罐330。
虽然为了说明性目的已经公开本发明的示例性实施例,但是本领域的技术人员将会理解,在没有脱离如在随附的权利要求中公开的本发明的范围和精神的情况下各种修改、添加和代替是可能的。
工业实用性
如从上面的描述中显而易见的是,根据本发明的电池包括气体排放构件和液体电解质注入构件。因此,能够将液体电解质进一步注入到电池中并且将在电池中产生的气体容易地排放到电池的外部。

Claims (9)

1.一种电池,包括:
单体,所述单体具有被安装在电池壳体的内部空间中的电极层压物和液体电解质;
气体排放构件,所述气体排放构件与所述电池壳体的内部空间连通,用于将在所述单体中产生的气体排放到所述单体的外部;以及
液体电解质注入构件,所述液体电解质注入构件与所述电池壳体的内部空间连通,用于将液体电解质注入到所述电池壳体的内部空间中,并且
其中,所述气体排放构件包括:管构件,所述管构件与所述电池壳体的内部空间连通;和不透液体材料的多孔膜,所述不透液体材料的多孔膜被安装在所述管构件的一端处,
其中,所述气体排放构件进一步包括抽吸构件,所述抽吸构件被安装在所述管构件的另一端处,
其中,所述抽吸构件是抽吸泵,
其中,所述液体电解质注入构件包括:管构件,所述液体电解质注入构件的所述管构件与所述电池壳体的内部空间连通;和液体电解质储存罐,所述液体电解质储存罐被安装在所述液体电解质注入构件的所述管构件的一端处,并且
其中,所述单体是袋状单体,所述袋状单体包括:空间部分,所述空间部分具有被安装在其中的电极层压物和电解质;和密封部分,所述密封部分包围所述空间部分,所述密封部分设置有通孔,所述通孔被联接到所述液体电解质注入构件的所述管构件和所述气体排放构件的所述管构件。
2.根据权利要求1所述的电池,其中,所述多孔膜具有0.1nm至1nm的孔隙尺寸。
3.根据权利要求1所述的电池,其中,所述液体电解质注入构件进一步包括反向流动防止构件,所述反向流动防止构件被安装在所述液体电解质注入构件的所述管构件的另一端处。
4.根据权利要求3所述的电池,其中,所述反向流动防止构件是止回阀。
5.根据权利要求4所述的电池,其中,所述止回阀包括:
中心销;
第一隔膜,所述第一隔膜被牢固地联接到所述液体电解质注入构件的所述管构件,所述第一隔膜被设置有中空部分和通孔,所述中心销延伸穿过所述中空部分,所述液体电解质通过所述第一隔膜的所述通孔注入;
第二隔膜,所述第二隔膜被联接到所述中心销的一端,所述第二隔膜被联接到所述第一隔膜或者从所述第一隔膜分离,以用于打开和关闭所述液体电解质注入构件的所述管构件;以及
弹性构件,所述弹性构件用于维持在所述第一隔膜和所述第二隔膜之间的联接状态。
6.根据权利要求5所述的电池,其中,所述弹性构件是压缩弹簧。
7.根据权利要求1所述的电池,进一步包括反向流动防止构件,所述反向流动防止构件被安装在所述通孔中的每一个的一端处。
8.一种电池模块,所述电池模块包括根据权利要求1至7中的任一项所述的电池。
9.一种电池组,所述电池组包括根据权利要求8所述的电池模块。
CN201480024214.0A 2013-07-29 2014-07-09 包括气体排放构件和电解质注入构件的电池 Active CN105164831B (zh)

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