Battery module and assembling method

A technology for battery modules and battery packs, applied to battery pack parts, secondary batteries, circuits, etc., can solve problems such as uneven distribution of adhesives, achieve the effect of improving uneven distribution and enhancing the bonding effect

Pending Publication Date: 2022-07-05
SUNWODA ELECTRIC VEHICLE BATTERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, this application proposes a battery module, which can improve t

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  • Battery module and assembling method
  • Battery module and assembling method
  • Battery module and assembling method

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Embodiment Construction

[0043] The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.

[0044] In the description of this application, it should be understood that the orientation or positional relationship indicated in relation to orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings, only For the convenience of describing the present application and simplifying the description, it is not indicated or implied that the referred device or element must h...

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Abstract

The invention discloses a battery module and an assembling method, the battery module comprises: a battery cell assembly, the battery cell assembly comprises a battery cell group and connecting pieces, the battery cell group comprises at least one battery cell, the connecting pieces are connected to the two opposite sides of the battery cell group along the length direction of the battery cell, one side, away from the battery cell group, of each connecting piece is sequentially provided with a first surface and a second surface from top to bottom, a first included angle alpha between the first surface and the horizontal plane is more than 0 and less than 90 degrees, a second included angle beta between the second surface and the horizontal plane is more than 0 and less than or equal to 90 degrees, and alpha is less than beta; the box body assembly defines a mounting cavity for accommodating the battery cell assembly, the cavity wall of the mounting cavity is sequentially provided with a third surface and a fourth surface from top to bottom corresponding to the connecting piece, the third surface is parallel to the first surface, and the fourth surface is parallel to the second surface; the first bonding layer is at least arranged between the first surface and the third surface and between the second surface and the fourth surface. According to the embodiment, the adhesive is borne by the inclined surface, so that the problem of non-uniform distribution of the adhesive can be improved.

Description

technical field [0001] The present application relates to the technical field of energy storage devices, and in particular, to a battery module and an assembly method. Background technique [0002] The battery module is an important part of the electric vehicle energy system. It mainly includes a battery pack and a battery box, and the battery pack is connected to the inside of the battery box. In the related art, the battery pack is usually connected to the battery box by means of bonding. However, when the adhesive is applied on the bonding surface of the battery box and the battery pack, the adhesive will be affected by gravity. It flows down and accumulates at the bottom of the battery box, resulting in uneven distribution of the adhesive, which affects the bonding effect. SUMMARY OF THE INVENTION [0003] The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the present application proposes a battery modul...

Claims

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Application Information

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IPC IPC(8): H01M50/291H01M50/293H01M50/244H01M50/249H01M50/242H01M10/658
CPCH01M50/291H01M50/293H01M50/244H01M50/249H01M50/242H01M10/658
Inventor 梁吉旺席兵荣郑伟伟罗峥
Owner SUNWODA ELECTRIC VEHICLE BATTERY CO LTD
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