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Battery device and new energy automobile with same

A battery device and battery pack technology, applied in secondary batteries, battery pack components, circuits, etc., can solve the problems of battery pack extrusion damage, battery pack volume expansion, etc., to reduce the conduction range, improve self-protection ability, The effect of suppressing the heat transfer rate

Pending Publication Date: 2022-07-29
NANTONG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among them, most of the battery packs are lithium battery packs. When the battery device is in use, some battery packs will generate a lot of heat due to internal cell failure and expand in volume. The heat generated will be conducted to other battery packs, which will easily cause other battery packs. Failure due to overheating, and swollen battery packs are also prone to crush damage to other battery packs

Method used

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  • Battery device and new energy automobile with same
  • Battery device and new energy automobile with same
  • Battery device and new energy automobile with same

Examples

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Embodiment Construction

[0033] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related invention, rather than limit the invention. In addition, it should be noted that, for the convenience of description, only the parts related to the invention are shown in the drawings.

[0034] Embodiments of the present application provide a battery device configured in a new energy vehicle. The types of new energy vehicles include, but are not limited to, family vehicles, cargo vehicles, etc. The battery device is used to store electrical energy and provide electrical energy to the new energy vehicle to meet the electricity demand of the new energy vehicle.

[0035] Please refer to the attached Figure 1-4 , the battery device includes a casing and a plurality of battery packs 100 and a heat insulating portion installed in the casing....

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Abstract

The invention discloses a battery device and a new energy automobile with the same. The battery device comprises a plurality of battery packs; the shell comprises an accommodating part, a cover plate part and at least one separation part, an accommodating space with a first opening is formed in the accommodating part, the at least one separation part is arranged in the accommodating space and divides the accommodating space into a plurality of accommodating cavities, and the plurality of battery packs are arranged in the plurality of accommodating cavities in a one-to-one correspondence manner; the cover plate part covers the first opening, a first gap is formed between the cover plate part and the partition part, and a second opening is formed in one end, close to the cover plate part, of the partition part; and the heat insulation part is of a flexible structure and is arranged in the separation part, and the heat insulation part can perform deformation motion under extrusion of the battery pack in a heating expansion state, so that part of the heat insulation part extends out of the second opening and abuts against the cover plate part. According to the battery device provided by the invention, the risk that a normal battery pack in the battery device is damaged by a heated and expanded battery pack is reduced, and the self-protection capability of the battery device in the new energy automobile is improved.

Description

technical field [0001] The present invention generally relates to the technical field of new energy vehicles, in particular to a battery device and a new energy vehicle having the same. Background technique [0002] As one of the core components of a new energy vehicle, the performance of the battery device determines the parameters of the pipe fittings such as the cruising range of the new energy vehicle. A battery device generally includes a tray assembly and several battery packs, each battery pack including a plurality of cells arranged side by side. The tray assembly is formed with a battery accommodating cavity, and a plurality of battery packs are placed in the battery accommodating cavity in sequence. [0003] Among them, most of the battery packs are lithium battery packs. When the battery device is in use, some battery packs will generate a lot of heat due to internal cell failure and expand in volume. The heat generated will be conducted to other battery packs, w...

Claims

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Application Information

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IPC IPC(8): H01M50/289H01M50/249H01M50/244H01M50/204H01M10/658H01M50/242
CPCH01M50/289H01M50/249H01M50/244H01M50/204H01M10/658H01M50/242
Inventor 王俊龙
Owner NANTONG INST OF TECH
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