Multi-material fused light high-strength battery pack structure and design method thereof

A battery pack, multi-material technology, applied in structural parts, secondary batteries, battery caps/end caps, etc., can solve the problems of difficulty in taking into account strength and sealing reliability at the same time, and rarely consider lightweight, etc. Lower quality, lower cost effects

Active Publication Date: 2022-04-05
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing mass-produced battery pack technology solutions rarely consider light weight, and some existing lightweight battery pack technology solutions also face the problem of difficulty in balancing strength, sealing and reliability at the same time

Method used

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  • Multi-material fused light high-strength battery pack structure and design method thereof
  • Multi-material fused light high-strength battery pack structure and design method thereof
  • Multi-material fused light high-strength battery pack structure and design method thereof

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Embodiment

[0051] Embodiment, a multi-material fusion lightweight high-strength battery pack structure, such as Figure 1 to Figure 3 As shown, it includes a load-bearing frame, a battery module 2, an upper cover 3 and a plug-in board 4, the upper end of the load-bearing frame is provided with a cooling plate, the battery module 2 is arranged on the upper surface of the cooling plate, and the number of battery modules 2 is at least Two, specifically, the number of battery modules 2 in this embodiment is four, of course, it can also be two or five without affecting the protection scope of the present invention; A separator 6 is provided, and the separator 6 is made of heat insulating material. A first groove 61 is provided on any side of the separator 6 close to the battery module 2, and a plurality of first spacers are arranged in the first groove 61 62, the first spacer 62 divides the inner chamber of the first groove 61 into a continuous "S"-shaped first flow channel 63, one end of the...

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Abstract

The invention discloses a multi-material fused light high-strength battery pack structure and a design method thereof.The multi-material fused light high-strength battery pack structure comprises a bearing frame, battery modules, an upper cover and a plug board, a cooling plate is arranged at the upper end of the bearing frame, the battery modules are arranged on the upper surface of the cooling plate, partition plates are arranged between every two adjacent battery modules, and first grooves are formed in the partition plates; a first partition strip is arranged in the first groove, the first partition strip divides the first groove into a continuous S-shaped first flow channel, the first flow channel is communicated with a first water inlet pipe and a first water outlet pipe, a first heat conduction metal plate is sealed in the first groove, the upper cover covers the battery module, and the plug board is matched with the upper cover for use. And the upper cover, the cooling plate and the plug board form a closed cavity. According to the bearing frame, the strength needed by the battery pack is guaranteed while the battery pack is lightened through the frame type structure, the battery module is wrapped by the upper cover, the plug board and the cooling plate, the sealing performance of the battery module is guaranteed, and the bearing frame has the effects of being simple in structure and low in cost.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a multi-material fusion light-weight and high-strength battery pack structure and a design method thereof. Background technique [0002] The market demand for battery pack energy storage is huge, and the future market prospect is broad. In recent years, there is an imminent demand for technologies such as lightweight, low cost and high energy density. At present, for the structure of the battery pack body that requires both light weight and high load-carrying capacity, there are already a variety of topological configurations, but most of them focus on how to make the battery pack lightweight and high-strength at the same time. Because the battery pack involves multiple driving safety functions, when designing its structure, it is also necessary to consider high-reliability performance such as sealing, heat insulation (suitable for use at low temperature) and heat dissipation (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/615H01M10/655H01M10/6567H01M50/202H01M50/271H01M50/289
CPCY02E60/10
Inventor 徐世伟高德俊肖志蒋彬辉肖培杰袁秋奇杨杰
Owner HUNAN UNIV
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