End plate assembly and battery module
A battery module and component technology, applied in battery pack components, batteries, secondary batteries, etc., can solve problems such as uneven force, local stress concentration, and impact on the stability and reliability of battery modules.
Pending Publication Date: 2020-10-16
YINLONG ENERGY CO LTD
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Problems solved by technology
[0004] However, the end plates in the existing battery modules are all plate-shaped metal structures. After being bundled with packing tape, there is a problem of uneven force, and local stress concentration affects the stability and reliability of the battery module.
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0029] As shown in the drawings, an embodiment of the present invention provides an end plate assembly, including: an injection molded structural member 110, the injection molded structural member 110 has opposite first and second sides, and the first side of the injected molded structural memb...
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The invention provides an end plate assembly and a battery module. The end plate assembly comprises an injection molding structural part and a metal structural part. A belt groove used for containinga packing belt is formed in the first side of the injection molding structural part, the metal structural part comprises a supporting plate and an installation part arranged on one side of the supporting plate, wherein the supporting plate is arranged on the second side of the injection molding structural part, and the installation part penetrates through the receding hole of the injection moldingstructural part and protrudes out of the first side of the injection molding structural part. By adopting the arrangement, during the assembly of the battery module, the packing belt can be wound inthe belt groove of the injection molding structural part; therefore, on the one hand, the structural strength of the end plate assembly and the battery module can be guaranteed through the metal structural part, and on the other hand, the contact area of the packing belt and the end plate assembly is large, so the stress of the end plate assembly and the packing belt is uniform, the stress concentration is avoided, and the stability and the reliability of the battery module are improved. By adopting the scheme, the structure and the assembly process of the battery module are simplified, and the weight and the cost of the battery module are reduced.
Description
technical field [0001] The invention relates to the field of new energy technology, in particular to an end plate assembly and a battery module. Background technique [0002] Lithium-ion power battery module is the core component of electric vehicles, and its structural stability and reliability directly affect the performance and life of the entire battery system. In the new energy electric vehicle industry, the battery module is usually connected in series / parallel by multiple single cells, and placed between the cover plate and the bottom plate. There are side plates and end plates around the multiple single cells. Side panels, end panels and cover panels are bolted. Such a battery module is not only heavy in weight, but also high in cost. [0003] A battery module is provided in the prior art, which includes a packing belt, two end plates, an integrated cover plate and a plurality of single cells, the plurality of single cells are arranged between the two end plates, a...
Claims
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IPC IPC(8): H01M2/10H01M10/0525
CPCH01M10/0525H01M2220/20Y02E60/10
Inventor 柯颖华林鹏赖信华董锋沈剑
Owner YINLONG ENERGY CO LTD