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Packaged cell

A battery and single cell technology, applied in the manufacture of secondary batteries, battery pack components, circuits, etc., can solve the problems of detrimental appearance, cost, labor and time, etc., so as to suppress the generation of pores and the appearance of bad appearance. , the effect of shortening cost reduction

Inactive Publication Date: 2012-05-09
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method needs to adjust the structure of the power supply target device corresponding to the shape of the packaged battery having the dimples, which takes cost, labor and time.
Moreover, this method cannot sometimes be adopted due to the structural constraints of the packaged battery 1.
In addition, when this method is used, since a concave portion is formed on the surface of the resin injection molded part, the appearance is impaired.

Method used

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Examples

Experimental program
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Effect test

Embodiment approach 1

[0048] (Appearance structure of packaged battery 1)

[0049] use figure 1 The appearance structure of the packaged battery 1 according to the embodiment will be described. figure 1 It is an external view of the packaged battery 1 .

[0050] like figure 1 As shown, the packaged battery 1 has a flat rectangular parallelepiped shape in which the X direction is the thickness direction, the Y direction is the width direction, and the Z direction is the height direction. The packaged battery 1 has a resin injection molding 10 made of low-temperature molding resin, an outer packaging label 50 covering the periphery and the bottom of the single cell 30 , and a bottom cover 40 covering the bottom of the single cell 30 .

[0051] External connection terminals 22 a , 22 b , and 22 c are exposed through terminal windows 12 a , 12 b , and 12 c arranged side by side on the surface of resin injection molding 10 on the upper portion of package battery 1 .

[0052] (Internal structure of p...

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Abstract

The present invention provides a packaged cell which can realize appropriate production cost reduction by size reduction and shortening of a circuit substrate and properly prevent appearance deterioration caused by an air pore of a resin injected member and therefore has excellent characteristic. An upper surface of a packing plate (31) of the packaged cell (1) is provided with a protective circuit substrate (20) which is short in a Y direction. Furthermore a wiring plate (24) is equipped through a mode that a panel part (240) extends from a Y-direction end of the substrate (20). When the panel part (240) is separated from the packing plate (31), a resin injected member (10) is used for coating the protective circuit substrate (20) and a wiring plate (24) therein. Therefore, a resin block area (15) is divided through the panel part (240), thereby preventing appearance deterioration caused by the air pore.

Description

technical field [0001] The invention relates to a packaged battery in which a protective circuit substrate connected to a single battery is covered by a resin injection molded part, and particularly relates to a technology for preventing air holes in the resin injection molded part. Background technique [0002] In recent years, packaged batteries in which a single battery is used as a secondary battery that can be repeatedly charged and used are widely used. Packaged batteries have relatively high energy density, and are widely used as main or backup power sources for notebook personal computers (notebook PCs), mobile phones, PDAs, and various other electronic devices. [0003] A typical packaged battery has a structure in which a rectangular parallelepiped flat prismatic secondary battery (lithium ion battery) is used as a unit cell, and a protective circuit board is electrically connected to the unit cell. The protective circuit substrate is disposed on one end surface o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M2/20
CPCY02E60/12Y02E60/10Y02P70/50
Inventor 山上康博
Owner SANYO ELECTRIC CO LTD
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