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Battery pack

一种电池组、裸电池的技术，应用在电池组零部件、锂蓄电池、二次电池制造等方向，能够解决不提供支撑构件、电池分离、上罩弯曲或扭曲等问题

Inactive Publication Date: 2010-06-23
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in such a battery pack, a support member is generally not provided between the upper case and the bare cell to support the upper case against external impact
When a strong external impact is applied to the battery pack, the upper cover may be bent or twisted, causing the upper cover to separate from the bare cell

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0025] Referring now to the present embodiments of the invention in detail, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The embodiments described below endeavor to explain the present invention by referring to the figures.

[0026] Figure 1a and Figure 1b are assembled and exploded perspective views of a battery pack according to an embodiment of the present invention, respectively; figure 2 for Figure 1b An exploded perspective view of the circuit module shown in ; image 3 to be linked together Figure 1b The perspective view of the bare cell and circuit module of ; Figure 4 for Figure 1b A perspective view of the upper cover shown in ; and Figure 5 for Figure 1b A partially exploded perspective view of the bare cell and circuit module shown in .

[0027] see Figure 1a and Figure 1b , the battery pack 10 may include a bare cell 100 , a circuit module 200 , an upper cover...

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Abstract

A battery pack includes a bare cell including a cap plate and an electrode terminal insulated from the cap plate and a circuit module including a circuit board having a first short side, a second short side generally opposite the first short side, a first long side and a second long side generally opposite the first long side. The circuit board includes a base lead plate attached to the circuit board and a base fixing protrusion extending from the base lead plate, wherein the circuit module is on and electrically connected to the bare cell. The battery pack also includes an upper cover covering the circuit module, the upper cover including a base fixing groove adapted to receive the base fixing protrusion, wherein base fixing protrusion is in the base fixing groove.

Description

technical field [0001] The present invention relates to a battery pack. Background technique [0002] The lithium secondary battery may be in the form of a battery pack. The battery pack typically includes: a bare cell including an electrode assembly, a can for accommodating the electrode assembly, and a cap assembly adapted to cover the upper opening of the can; a circuit module including, for example, charging / discharging devices and protective circuit devices a circuit device, the circuit module being coupled to an upper portion of the bare cell; and an upper cover, being coupled to an upper portion of the bare cell to cover the circuit module. The electrode assembly of a bare cell basically includes a positive plate, a negative plate, and a separator. [0003] In recent years, battery packs have been constructed using injection-molded upper covers and bare cells coupled to the upper covers to obtain relatively thinner battery packs. [0004] However, in such a battery...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/052H01M2/22H01M2/04H01M50/147H01M50/528
CPCY02E60/12H01M2/0473H01M10/058H01M2/0217H01M10/052H01M10/0436H01M2/0404H01M10/4257Y02E60/10H01M50/103H01M50/147H01M50/15Y02P70/50H01M50/20H01M50/572H01M50/528
Inventor 郭鲁显张营喆徐镜源河载暎
Owner SAMSUNG SDI CO LTD