Rechargeable battery

A technology of rechargeable batteries and batteries, which is applied in the manufacture of secondary batteries, battery pack components, circuits, etc., can solve the problems of occupying more space, low energy density, and low space utilization of batteries, so as to improve the energy density , Improve space utilization and alleviate the effect of ear cracking

Active Publication Date: 2018-06-22
CONTEMPORARY AMPEREX TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to meet the requirements of battery overcurrent temperature rise, it is necessary to ensure that there is sufficient welding area between the first connecting plate and the tab, so that the first connecting plate needs to have sufficient size in the longitudinal direction of the battery cell, which will inevitably take up more space. Space, resulting in low space utilization of the cell and low energy density

Method used

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the application, its application or uses. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0046]The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of description, the sizes ...

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Abstract

The invention discloses a rechargeable battery. The rechargeable battery comprises a battery cell and a connection component, wherein the battery cell comprises a battery cell main body and electrodelugs which extend out of the battery cell main body; the connection component comprises a guiding plate, and a first connecting plate and a second connecting plate respectively connected with the guiding plate; the guiding plate extends in the width direction; the first connecting plate extends toward the outer side of the guiding plate in the width direction; the electrode lugs are bent relativeto the longitudinal direction and are connected with the first connecting plate; at least a part of the guiding plate is protruded toward one side of the battery cell main body relative to the first connecting plate so as to form a protruding part; and the protruding part is abutted against the battery cell. According to the rechargeable battery disclosed by the invention, energy density can be improved.

Description

technical field [0001] The present application relates to the technical field of batteries, in particular to a rechargeable battery. Background technique [0002] In the prior art prismatic rechargeable battery, the tabs of the battery cell are connected to the connecting member, and the first connecting plate connected to the battery cell in the connecting member is generally parallel to the longitudinal direction of the battery cell. With the continuous expansion of the market, more and more batteries with higher current are required. In order to meet the requirements of battery overcurrent temperature rise, it is necessary to ensure that there is a sufficient welding area between the first connecting plate and the tab, so that the first connecting plate needs to have sufficient size in the longitudinal direction of the battery cell, which will inevitably take up more space. As a result, the space utilization rate of the battery cell is not high, and the energy density is...

Claims

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Application Information

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IPC IPC(8): H01M10/04H01M50/533H01M50/538
CPCH01M10/04H01M50/538H01M50/533Y02E60/10Y02P70/50
Inventor 郭志君张捷王鹏朱涛声
Owner CONTEMPORARY AMPEREX TECH CO
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