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battery pack

A battery pack and bare cell technology, applied in the field of battery packs, can solve problems such as low production efficiency, complex mechanical connection process, complex circuit series-parallel connection process, etc., to achieve the effect of increasing energy density, improving efficiency, and reducing injection operations

Active Publication Date: 2021-07-27
SUNWODA ELECTRIC VEHICLE BATTERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this solution, the battery case or battery outer film of multiple single cells contained in the battery pack will reduce the overall energy density of the battery pack when grouped, and there are complex mechanical connection processes, complex circuit series and parallel connection processes, and production efficiency. low problem

Method used

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Embodiment Construction

[0022] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific...

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Abstract

The invention discloses a battery pack, which includes an insulating member, a casing, a cover plate and several bare cells; one side of the casing is provided with an opening for putting the bare cells, and the opening is connected to the The cover plate is adapted and sealed; the cover plate is provided with a pole, and the bare cell is provided with tabs, and the bare cell is connected in series and / or in parallel through the tabs to the The poles are connected; the bare cells are located in the cavity formed by the shell and the cover, and the cavity formed by the shell and the cover is filled with electrolyte; every two adjacent bare cells The insulating member is provided between the cores. The battery pack provided by the invention realizes that the battery pack does not need to be composed of a plurality of single cells, and can improve production efficiency and energy density.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a battery pack. Background technique [0002] Most of the existing battery packs include multiple batteries; each battery includes its own battery core, insulating component (battery outer film or battery case) and electrolyte, and then multiple batteries are connected in series and parallel through mechanical connections and circuits to form a battery Among them, some of them have applied the module structure, which can freely combine and transform the aluminum shell power battery module structure of the battery energy according to the requirements of use. In this solution, the battery case or battery outer film of multiple single cells contained in the battery pack will reduce the overall energy density of the battery pack when grouped, and there are complex mechanical connection processes, complex circuit series and parallel connection processes, and production efficiency. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M6/42H01M10/42
CPCH01M6/42H01M10/4207Y02E60/10
Inventor 雷京张耀冷利民
Owner SUNWODA ELECTRIC VEHICLE BATTERY CO LTD