CN218957870U - Batteries and battery devices - Google Patents
Batteries and battery devices Download PDFInfo
- Publication number
- CN218957870U CN218957870U CN202223132050.4U CN202223132050U CN218957870U CN 218957870 U CN218957870 U CN 218957870U CN 202223132050 U CN202223132050 U CN 202223132050U CN 218957870 U CN218957870 U CN 218957870U
- Authority
- CN
- China
- Prior art keywords
- battery
- cover plate
- roughness
- shell
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 claims description 19
- 210000000746 body region Anatomy 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims 2
- 239000012790 adhesive layer Substances 0.000 description 16
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
技术领域technical field
本公开涉及电池技术领域,具体而言,涉及一种电池及电池装置。The present disclosure relates to the technical field of batteries, in particular, to a battery and a battery device.
背景技术Background technique
随着技术的发展和进步,电动车辆的应用日益广泛,在电动车辆中往往设置有电池装置,电池装置用于向电动车辆提供动力。电池装置中设置有电池,电池包括电池壳体和电芯,电池壳体内设置有容置空间,电芯设于容置空间内,通过电池壳体对电芯等器件进行保护。电池壳体可以包括壳体件和盖板,壳体件和盖板焊接,相关技术中壳体件和盖板的焊接容易失效。With the development and progress of technology, the application of electric vehicles is becoming more and more extensive. The electric vehicles are often provided with battery devices, which are used to provide power for the electric vehicles. The battery device is provided with a battery, and the battery includes a battery casing and a battery cell. The battery casing is provided with a storage space, and the battery cell is arranged in the storage space, and the battery cell and other devices are protected by the battery casing. The battery case may include a case part and a cover plate, and the case part and the cover plate are welded. In the related art, the welding between the case part and the cover plate is prone to failure.
需要说明的是,在上述背景技术部分公开的信息仅用于加强对本公开的背景的理解,因此可以包括不构成对本领域普通技术人员已知的现有技术的信息。It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to those of ordinary skill in the art.
发明内容Contents of the invention
本公开的目的在于提供一种电池及电池装置,进而至少一定程度上提升电池壳体连接的稳定性。The purpose of the present disclosure is to provide a battery and a battery device, thereby improving the stability of the connection of the battery casing at least to a certain extent.
根据本公开的一个方面,提供一种电池,其特征在于,所述电池包括:According to one aspect of the present disclosure, a battery is provided, wherein the battery includes:
电池壳体,所述电池壳体包括第一盖板和壳体件,所述壳体件的至少一端具有开口,所述第一盖板焊接于所述壳体件的开口,所述壳体件的外侧面设置有第一连接区,所述第一连接区位于所述壳体件靠近所述第一盖板的一端,所述第一盖板远离所述壳主体的一面设置有第二连接区,并且所述第二连接区靠近所述第一盖板的边缘;A battery case, the battery case includes a first cover plate and a case part, at least one end of the case part has an opening, the first cover plate is welded to the opening of the case part, and the case part The outer surface of the part is provided with a first connection area, the first connection area is located at the end of the shell part close to the first cover, and the side of the first cover away from the shell body is provided with a second a connection area, and the second connection area is close to the edge of the first cover plate;
其中,所述第一盖板中至少所述第二连接区的粗糙度大于所述第一连接区的粗糙度,并且所述第二连接区的粗糙度和所述第一连接区的粗糙度差值大于0且小于等于6μm。Wherein, the roughness of at least the second connection area in the first cover plate is greater than the roughness of the first connection area, and the roughness of the second connection area is the same as the roughness of the first connection area The difference is greater than 0 and less than or equal to 6 μm.
本公开实施例提供的电池,包括电池壳体,电池壳体具有第一盖板和壳体件,壳体件的一端设置有开口,第一盖板连接于壳体件的开口,壳体件的外表面设置有第一连接区,第一连接区位于壳体件靠近第一盖板的一端,第一盖板远离壳主体的一面设置有第二连接区,并且第二连接区靠近第一盖板的边缘,第二连接区的粗糙度大于第一连接区的粗糙度,并且第二连接区的粗糙度和第一连接区的粗糙度差值大于0且小于等于6μm,通过第二连接区的粗糙度和第一连接区的粗糙度差值大于0且小于等于6μm,避免了第一连接区和第二连接区粗糙度差异过大而导致的焊接不均匀的问题,从而提升了电池壳体连接的稳定性。The battery provided by the embodiment of the present disclosure includes a battery case, the battery case has a first cover plate and a case part, an opening is provided at one end of the case part, the first cover plate is connected to the opening of the case part, and the case part The outer surface of the outer surface is provided with a first connection area, the first connection area is located at one end of the shell member close to the first cover plate, and a second connection area is provided on the side of the first cover plate away from the shell body, and the second connection area is close to the first On the edge of the cover plate, the roughness of the second connection area is greater than the roughness of the first connection area, and the difference between the roughness of the second connection area and the roughness of the first connection area is greater than 0 and less than or equal to 6 μm, through the second connection The difference between the roughness of the first connection region and the roughness of the first connection region is greater than 0 and less than or equal to 6 μm, which avoids the problem of uneven welding caused by the large difference between the roughness of the first connection region and the second connection region, thereby improving the quality of the battery. Stability of the housing connection.
根据本公开实施例的另一个方面,提供一种电池装置,所述电池装置包括上述的电池。According to another aspect of the embodiments of the present disclosure, there is provided a battery device, the battery device including the above-mentioned battery.
本公开实施例提供的电池装置包括电池,在电池中电池壳体具有第一盖板和壳体件,壳体件的一端设置有开口,第一盖板连接于壳体件的开口,壳体件的外表面设置有第一连接区,第一连接区位于壳体件靠近第一盖板的一端,第一盖板远离壳主体的一面设置有第二连接区,并且第二连接区靠近第一盖板的边缘,第二连接区的粗糙度大于第一连接区的粗糙度,并且第二连接区的粗糙度和第一连接区的粗糙度差值大于0且小于等于6μm,通过第二连接区的粗糙度和第一连接区的粗糙度差值大于0且小于等于6μm,避免了第一连接区和第二连接区粗糙度差异过大而导致的焊接不均匀的问题,从而提升了电池壳体连接的稳定性。The battery device provided by the embodiment of the present disclosure includes a battery. In the battery, the battery case has a first cover plate and a case part. An opening is provided at one end of the case part. The first cover plate is connected to the opening of the case part. The outer surface of the part is provided with a first connection area, the first connection area is located at the end of the shell part close to the first cover plate, the side of the first cover plate away from the shell main body is provided with a second connection area, and the second connection area is close to the first cover plate On the edge of a cover plate, the roughness of the second connection area is greater than the roughness of the first connection area, and the difference between the roughness of the second connection area and the roughness of the first connection area is greater than 0 and less than or equal to 6 μm, through the second The difference between the roughness of the connection area and the roughness of the first connection area is greater than 0 and less than or equal to 6 μm, which avoids the problem of uneven welding caused by excessive roughness differences between the first connection area and the second connection area, thereby improving The stability of the battery case connection.
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.
附图说明Description of drawings
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本公开的实施例,并与说明书一起用于解释本公开的原理。显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure. Apparently, the drawings in the following description are only some embodiments of the present disclosure, and those skilled in the art can obtain other drawings according to these drawings without creative efforts.
图1为本公开示例性实施例提供的一种电池的结构示意图;FIG. 1 is a schematic structural diagram of a battery provided by an exemplary embodiment of the present disclosure;
图2为本公开示例性实施例提供的一种电池的剖视示意图;Fig. 2 is a schematic cross-sectional view of a battery provided by an exemplary embodiment of the present disclosure;
图3为本公开示例性实施例提供的一种电池装置的结构示意图。Fig. 3 is a schematic structural diagram of a battery device provided by an exemplary embodiment of the present disclosure.
具体实施方式Detailed ways
下面将结合本公开示例实施例中的附图,对本公开示例实施例中的技术方案进行清楚、完整的描述。本文中的描述的示例实施例仅仅是用于说明的目的,而并非用于限制本公开的保护范围,因此应当理解,在不脱离本公开的保护范围的情况下,可以对示例实施例进行各种修改和改变。The following will clearly and completely describe the technical solutions in the exemplary embodiments of the present disclosure with reference to the accompanying drawings in the exemplary embodiments of the present disclosure. The exemplary embodiments described herein are for illustrative purposes only, and are not intended to limit the protection scope of the present disclosure, so it should be understood that various modifications can be made to the exemplary embodiments without departing from the protection scope of the present disclosure. modifications and changes.
在本公开的描述中,除非另有明确的规定和限定,术语“第一”、“第二”仅用于描述的目的,而不能理解为指示或暗示相对重要性;术语“多个”是指两个或两个以上;术语“和/或”包括一个或多个相关联列出项目的任何组合和所有组合。特别地,提到“该/所述”对象或“一个”对象同样旨在表示可能的多个此类对象中的一个。In the description of the present disclosure, unless otherwise clearly specified and limited, the terms "first" and "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "plurality" is means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, references to "the" or "an" are likewise intended to mean one of a possible plurality of such objects.
除非另有规定或说明,术语“连接”、“固定”等均应做广义理解,例如,“连接”可以是固定连接,也可以是可拆卸连接,或一体地连接,或电连接,或信号连接;“连接”可以是直接相连,也可以通过中间媒介间接相连。对于本领域的技术人员而言,可以根据具体情况理解上述术语在本公开中的具体含义。Unless otherwise specified or explained, the terms "connected" and "fixed" should be interpreted in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or integral connection, or electrical connection, or Connection; "connection" can be a direct connection or an indirect connection through an intermediary. Those skilled in the art can understand the specific meanings of the above terms in the present disclosure according to specific situations.
进一步地,本公开的描述中,需要理解的是,本公开的示例实施例中所描述的“上”、“下”、“内”、“外”等方位词是以附图所示的角度来进行描述的,不应理解为对本公开的示例实施例的限定。还需要理解的是,在上下文中,当提到一个元件或特征连接在另外元件(一个或多个)“上”、“下”、或者“内”、“外”时,其不仅能够直接连接在另外(一个或多个)元件“上”、“下”或者“内”、“外”,也可以通过中间元件间接连接在另外(一个或多个)元件“上”、“下”或者“内”、“外”。Furthermore, in the description of the present disclosure, it should be understood that the orientation words such as "upper", "lower", "inner" and "outer" described in the exemplary embodiments of the present disclosure are based on the angles shown in the drawings It should not be construed as limiting the example embodiments of the present disclosure. It also needs to be understood that in this context, when an element or feature is referred to as being "on," "under," or "inside" or "outside" another element(s), it is not only a direct connection In other (one or more) elements "on", "under" or "inside", "outside", it can also be indirectly connected to another (one or more) elements "on", "under" or "outside" through intermediate elements inside and outside".
本公开示例性实施例首先提供一种电池100,如图1所述,电池100包括电池壳体10,电池壳体10包括第一盖板12和壳体件11,壳体件11的至少一端具有开口,第一盖板12焊接于壳体件11的开口,壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘;其中,第二连接区102的粗糙度大于第一连接区101的粗糙度,第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm。The exemplary embodiment of the present disclosure firstly provides a
本公开实施例提供的电池,包括电池壳体10,电池壳体10具有第一盖板12和壳体件11,壳体件11的一端设置有开口,第一盖板12连接于壳体件11的开口,壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘,第二连接区102的粗糙度大于第一连接区101的粗糙度,第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm,通过第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm,避免了第一连接区101和第二连接区102粗糙度差异过大而导致的焊接不均匀的问题,从而提升了电池壳体10连接的稳定性,并且将第二连接区102的粗糙度设置为大于第一连接区101的粗糙度,使得电池在粘接于箱体300内时,提升第一盖板12和箱体300的粘接强度,从而提升电池装置的连接稳定性。The battery provided by the embodiment of the present disclosure includes a
下面将对本公开实施例提供的电池的各部分进行详细说明:Each part of the battery provided by the embodiments of the present disclosure will be described in detail below:
如图2所示,电池可以包括电池壳体10、电芯20和极柱30,电芯20设于电池壳体10内部,极柱30设于电池壳体10,并且极柱30和电芯20电连接。在本公开实施例中,电池壳体10和极柱30可以分别为电池的两个电极,电芯20分别电连接电池壳体10和极柱30。As shown in Figure 2, the battery can include a
电池壳体10可以包括壳体件11和第一盖板12,壳体件11上设置有开口,第一盖板12连接于壳体件11上的开口,以封堵壳体件11上的开口。壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘;第二连接区102的粗糙度大于第一连接区101的粗糙度。The
在电池100安装于箱体300内时,电池往往是直接或者间接粘接于箱体300的底板310上。电池粘接时第一盖板12朝向箱体300的底板310,在底板310和第一盖板12之间设置连接胶,通过提高第一盖板12的粗糙度能够提升电池和底板310粘接的稳定性。When the
其中,壳体件11包括壳主体111和第二盖板112,壳主体111的两端设置有开口,第一盖板12设于壳主体111的一端;第二盖板112设于壳主体111远离第一盖板12的一端,第二盖板112和壳主体111为一体成型式结构。比如,第二盖板112和壳主体111可以是通过拉伸一体成型。Wherein, the
第一盖板12和壳体件11的连接方式可以是焊接,比如,第一盖板12和壳体件11的连接方式可以是激光焊,在焊接时第一连接区101和第二连接区102具有预设的粗糙度能够提升焊接质量,从而提升第一盖板12和壳体件11的密封性和连接强度。The connection mode of the
进一步的,为了提升第一盖板12和壳体件11的焊接质量,第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm。比如,第一连接区101的粗糙度为a,第二连接区102的粗糙度为b,则0<b-a≤6μm。第一连接区101的粗糙度和第二连接区102的粗糙度的差值大于0且小于等于6,避免了由于第一连接区101和第二连接区102粗糙度差值过大而导致的采用同一激光束焊接时,第一连接区101和第二连接区102反光差异而导致的两面焊接效果差异较大的问题,进而提升焊接质量。Further, in order to improve the welding quality of the
第一盖板12的厚度大于壳体件11的壁厚。第一盖板12的厚度是指第一盖板12在电池轴线方向的尺寸,也即是第一盖板12靠近壳体件11的一面到第一盖板12远离壳体件11的一面的尺寸。壳体件11的壁厚是指壳主体111的壁厚,也即是壳主体111的外表面的半径和壳主体111内表面半径的差值。第一盖板12的厚度大于壳体件11的壁厚,能够提升第一盖板12的支撑效果以及第一盖板12和壳体件11的连接强度。The thickness of the
在电池的使用过程中电芯会在电池壳体10中产气,形成高压气体冲击第一盖板12,第一盖板12厚度大于壳体件11能够保证电池壳体10的抗冲击性能。当第一盖板12与壳体件11如果粗糙度差异比较大时,第一盖板12与壳体件11的反光程度差异比较大,而第一盖板又比较厚,容易导致第一盖板12与壳体件11焊接不良,进而导致第一盖板12与壳体件11之间密封失效。因此在本公开实施例中将第二连接区102的粗糙度和第一连接区101的粗糙度差值限定为大于0且小于等于6μm,能够避免焊接不良,提升连接稳定性。During the use of the battery, the battery cells will generate gas in the
其中,防爆阀可以是第一盖板12上的减薄区,比如,在第一盖板12上设置环形减薄区,该环形减薄区围成的区域为防爆区。减薄区的强度小于周边的区域,当电池热失控时该强度弱的区域被冲破电池爆开。第一盖板12的厚度大于壳体件11的壁厚,能够避免加工防爆阀后第一盖板12强度过于低而影响使用。Wherein, the explosion-proof valve may be a thinned area on the
第一盖板12和壳体件11通过激光焊接的方式连接,并且第一盖板12和壳体件11焊接时熔池的熔深大于等于0.2w,w为壳体件的壁厚。第一盖板12和壳体件11焊接时熔池的熔深大于等于0.2w,能够保证第一盖板12和壳体件11的焊接可靠性,并且保证壳体件11和第一盖板12的密封性能。The
可选的,第一盖板12和壳体件11焊接时熔池的熔深等于壳体件11的壁厚。通过第一盖板12和壳体件11焊接时熔池的熔深等于壳体件11的壁厚,能够提升第一盖板12和壳体件11的焊接效果,并保证第一盖板12和壳体件11的密封性能。Optionally, when the
示例的,本公开实施例提供的电池为圆柱电池,在此基础上,电池壳体10为空心柱状结构。第一盖板12为圆盘结构,壳体件11为一端开口的空心圆柱结构。壳体件11包括壳主体111和第二盖板112,第二盖板112为圆盘结构,壳主体111为圆筒结构。Exemplarily, the battery provided in the embodiment of the present disclosure is a cylindrical battery, on this basis, the
在本公开一可行的实施方式中,第一连接区101布满壳体件11的外侧面,也即是第一连接区101布满壳主体111的外表面,第二连接区102布满第一盖板12远离壳体件11的一面。通过在第一盖板12远离壳体件11的一面布满第二连接区102,使得第一盖板12整个区域与电池箱体300连接稳固。并且第一盖板12整面粗糙度一致有利于第一盖板12的加工,避免第一盖板12需要多次加工。第一连接区101布满壳体件11的外侧面,避免壳体件11外表面需要多次加工成型。In a feasible implementation manner of the present disclosure, the
在本公开另一可行的实施方式中,第一连接区101可以是壳体件11外侧面上的部分区域,第二连接区102为第一盖板12上远离壳体件11一面上的部分区域。示例的,壳体件11上第一连接区101远离第一盖板12的一侧设置有第一主体区103,第一主体区103的粗糙度大于等于第一连接区101的粗糙度。In another feasible implementation manner of the present disclosure, the
第一盖板12还包括第二主体区104,第二主体区104的粗糙度大于等于第二连接区102的粗糙度。优选的,第二主体区104的粗糙度等于第二连接区102的粗糙度。The
其中,第一连接区101和第一主体区103相接,并且第一连接区101为壳主体111表面上的环形区域,该环形区域设于壳主体111表面靠近第一盖板12的一端,壳主体111外表面其他区域为第一主体区103。第二连接区102和第二主体区104相接,第二连接区102为第一盖板12表面上的圆环区域,第二主体区104为第一盖板12表面上的圆形区域。Wherein, the first connecting
在本公开实施例中,电池壳体10通过不锈钢或者铝合金等材料制成。电池壳体10表面通常比较光滑,当圆柱电池成组或者形成电池包时,多个电池中相邻的电池组件灌胶,通过将第一主体区103的粗糙度设置为大于等于第一连接区101的粗糙度,能够保证电池和胶层连接紧密,提升连接强度。第二主体区104的粗糙度等于第二连接区102的粗糙度,可以通过一次工艺形成第一盖板12,以提升生产效率节约成本。In the embodiment of the present disclosure, the
需要说明的是,本公开实施例中以电池为圆柱电池进行说明,在实际应用中电池并不局限于圆柱电池,电池也可以是棱柱电池等。比如,电池可以是六棱柱电池,此时,第一盖板12可以呈六边形板,壳体件11为空心六棱柱结构。It should be noted that, in the embodiments of the present disclosure, the battery is described as a cylindrical battery. In practical applications, the battery is not limited to a cylindrical battery, and the battery may also be a prismatic battery. For example, the battery may be a hexagonal prism battery. In this case, the
电芯20设于电池壳体10内,电芯20可以包括电芯主体、第一极耳和第二极耳,第一极耳和第二极耳分别和电芯主体连接。第一极耳为电池的正极耳和负极耳中的一个,第二极耳为电池的正极耳和负极耳中的另一个。The
在一实施方式中,电池壳体10为电池的负极,极柱30为电池的正极,正极耳连接于极柱30,负极耳连接于电池壳体10。正极耳和极柱30可以是直接连接(比如,焊接或者铆接),或者正极耳和极柱30可以是间接连接(比如,正极耳和极柱30可以通过集流盘连接)。负极耳和电池壳体10可以是直接连接(比如,焊接或者铆接),或者负极耳和电池壳体10可以是间接连接(比如,负极耳和电池壳体10通过转接件连接)。In one embodiment, the
在一个实施例中,电芯20为卷绕式电芯,不仅成组方便,且可以加工得到长度较长的电池。电芯20具有第一极片与第一极片电性相反的第二极片以及设置在第一极片和第二极片之间的隔膜片,将第一极片、与第一极片电性相反的第二极片以及设置在第一极片和第二极片之间的隔膜片进行卷绕,得到卷绕式电芯。In one embodiment, the
本公开实施例提供的电池,包括电池壳体10,电池壳体10具有第一盖板12和壳体件11,壳体件11的一端设置有开口,第一盖板12连接于壳体件11的开口,壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘,第二连接区102的粗糙度大于第一连接区101的粗糙度,并且第二连接区的粗糙度和第一连接区的粗糙度差值大于0且小于等于6μm,通过第二连接区的粗糙度和第一连接区的粗糙度差值大于0且小于等于6μm,避免了第一连接区和第二连接区粗糙度差异过大而导致的焊接不均匀的问题,从而提升了电池壳体连接的稳定性。The battery provided by the embodiment of the present disclosure includes a
本公开示例性实施例还提供一种电池装置,如图3所示,电池装置包括上述的电池100。其中,电池包括电池壳体10,电池壳体10包括第一盖板12和壳体件11,壳体件11的一端具有开口,第一盖板12连接于壳体件11的开口,壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘;其中,第二连接区102的粗糙度大于第一连接区101的粗糙度。Exemplary embodiments of the present disclosure also provide a battery device. As shown in FIG. 3 , the battery device includes the above-mentioned
本公开实施例提供的电池装置包括电池,在电池中电池壳体10具有第一盖板12和壳体件11,壳体件11的一端设置有开口,第一盖板12连接于壳体件11的开口,壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘,第二连接区102的粗糙度大于第一连接区101的粗糙度,第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm,通过第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm,避免了第一连接区101和第二连接区102粗糙度差异过大而导致的焊接不均匀的问题,从而提升了电池壳体10连接的稳定性。The battery device provided by the embodiment of the present disclosure includes a battery. In the battery, the
本公开实施例提供的电池装置可以是电池模组或者电池包。当电池装置为电池模组时,电池模组中包括多个电池和电池架,多个电池安装于电池架中,比如,多个电池在电池架上呈阵列式分布。The battery device provided in the embodiments of the present disclosure may be a battery module or a battery pack. When the battery device is a battery module, the battery module includes a plurality of batteries and a battery rack, and the plurality of batteries are installed in the battery rack, for example, the plurality of batteries are distributed in an array on the battery rack.
电池设置第一盖板12的一端朝向电池架,并且电池架和电池之间设置有第一胶层201,第一胶层201至少部分和第一盖板12。第二连接区102的粗糙度较大,有利于电池和电池架连接的稳定性。One end of the battery is provided with the
当电池装置为电池包时,电池装置可以包括多个电池100和箱体300,箱体300内设置有容置空间,电池和电池架设于箱体300内的容置空间内。当然在实际应用中,电池也可以直接设置于箱体300内,比如,电池通过连接胶粘接于箱体300,本公开实施例对此不做具体限定。电池100设于箱体300的支撑板上,并且在支撑板和电池100之间设置有第一胶层201,第一胶层201至少部分和第一盖板12上连接。支撑板可以是箱体的底板,或者支撑板也可以是电池架。When the battery device is a battery pack, the battery device may include a plurality of
箱体300具有底板310,电池设于底板310,并且电池100和底板310之间设置有第一胶层201,并且电池设置第一盖板12的一端朝向底板310,第一胶层201至少部分和第二连接区102连接。The
当电池100通过电池架连接于底板310时,第一胶层201设于电池架和电池的第一盖板12之间。电池100直接连接于底板310时,第一胶层201设于底板310和电池的第一盖板12之间。电池中极柱30可以设于壳体件11远离第一盖板12的一端,也即是电池的极柱30朝上设置,在极柱30的顶部设置有汇流排,通过汇流排实现多个电池的电连接。When the
电池装置包括多个电池100,多个电池100之间设置有第二胶层202,第二胶层202至少部分和第一主体区103连接。比如,多个电池100可以呈阵列式分布,多个电池100之间具有间隙,第二胶层202填充于电池的间隙之间。第二胶层202和第一主体区103连接,第一连接区101的粗糙度小于等于第一主体区103的粗糙度,因此第二胶层202和第一主体区103连接,提升了电池之间的连接强度。The battery device includes a plurality of
其中,在一些可行的实施方式中电池呈多列分布,相邻的两列电池100之间设置有冷板,冷板和电池100之间设置有第二胶层202,第二胶层202和第一主体区103连接,能够提升电池和冷板之间的粘接力,提升电池装置连接的稳定。Wherein, in some feasible implementation manners, the batteries are distributed in multiple rows, a cold plate is arranged between two adjacent rows of
本公开实施例提供的电池装置包括电池,在电池中电池壳体10具有第一盖板12和壳体件11,壳体件11的一端设置有开口,第一盖板12连接于壳体件11的开口,壳体件11的外表面设置有第一连接区101,第一连接区101位于壳体件11靠近第一盖板12的一端,第一盖板12远离壳主体111的一面设置有第二连接区102,并且第二连接区102靠近第一盖板12的边缘,第二连接区102的粗糙度大于第一连接区101的粗糙度,第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm,通过第二连接区102的粗糙度和第一连接区101的粗糙度差值大于0且小于等于6μm,避免了第一连接区101和第二连接区102粗糙度差异过大而导致的焊接不均匀的问题,从而提升了电池壳体10连接的稳定性,并且将第二连接区102的粗糙度设置为大于第一连接区101的粗糙度,使得电池在粘接于箱体300内时,提升第一盖板12和箱体300的粘接强度,从而提升电池装置的连接稳定性。The battery device provided by the embodiment of the present disclosure includes a battery. In the battery, the
本公开实施例提供的电池装置可以应用于电动车辆,当电池用于电动车辆时,电池装置可以是电池包,电池包安装于电动车辆上,向电动车辆提供能源。The battery device provided by the embodiments of the present disclosure can be applied to an electric vehicle. When the battery is used in an electric vehicle, the battery device can be a battery pack installed on the electric vehicle to provide energy for the electric vehicle.
在实际应用中,电池包可以安装于电动车辆的车架。电池包可以和车架固定连接。或者电池包可以是模块化电池包,模块化电池包能够可拆卸的连接于车辆主体,便于更换。In practical application, the battery pack can be mounted on the frame of the electric vehicle. The battery pack can be fixedly connected to the frame. Alternatively, the battery pack may be a modular battery pack, which can be detachably connected to the vehicle body for easy replacement.
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由所附的权利要求指出。Other embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with the true scope and spirit of the disclosure indicated by the appended claims.
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223132050.4U CN218957870U (en) | 2022-11-24 | 2022-11-24 | Batteries and battery devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223132050.4U CN218957870U (en) | 2022-11-24 | 2022-11-24 | Batteries and battery devices |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218957870U true CN218957870U (en) | 2023-05-02 |
Family
ID=86136681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202223132050.4U Active CN218957870U (en) | 2022-11-24 | 2022-11-24 | Batteries and battery devices |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218957870U (en) |
-
2022
- 2022-11-24 CN CN202223132050.4U patent/CN218957870U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103733411B (en) | Jelly core with the productivity ratio for improving and the battery unit including the jelly core | |
CN218569132U (en) | Battery cases, cells and battery packs | |
WO2021052004A1 (en) | Battery module, battery pack, and vehicle | |
CN113258207A (en) | Battery core, battery module and vehicle | |
CN114639926A (en) | Battery and battery assembly method | |
CN216488411U (en) | Batteries and battery packs | |
CN218957870U (en) | Batteries and battery devices | |
CN219759898U (en) | pole, battery | |
CN218887336U (en) | Battery device | |
CN219086203U (en) | A battery and battery pack | |
CN217641482U (en) | Double-core square lithium ion battery structure | |
CN216980824U (en) | Battery with a battery cell | |
CN219643088U (en) | Cylindrical battery | |
CN220873729U (en) | Cylindrical battery and battery device | |
CN219759895U (en) | Battery and battery pack | |
CN218887355U (en) | Battery with a battery cell | |
CN219717161U (en) | Battery and battery pack | |
CN220553508U (en) | Single cells and battery packs | |
CN222896743U (en) | Battery and battery pack | |
CN221102362U (en) | Batteries and battery devices | |
CN219832960U (en) | Batteries, battery packs | |
CN221226458U (en) | Battery and battery device | |
CN220934358U (en) | Cylindrical battery and battery device | |
CN221574074U (en) | Battery and battery device | |
CN218827624U (en) | Battery case, battery and battery device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: China Innovation Aviation Technology Group Co.,Ltd. Country or region after: China Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Zhongchuangxin Aviation Technology Co.,Ltd. Country or region before: China |
|
CP03 | Change of name, title or address |