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Battery, battery pack, method for manufacturing the battery, and method for manufacturing the battery pack

A manufacturing method and technology for battery packs, which can be used in the manufacture of small-sized cells/batteries, large-sized cells/batteries, and secondary batteries, and can solve problems such as difficulty in miniaturizing battery packs

Inactive Publication Date: 2005-08-31
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the battery pack proposed in Patent Document 3, since it is necessary to arrange a space between the batteries for connecting bodies connecting adjacent batteries to each other, it may be difficult to reduce the size of the battery pack.

Method used

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  • Battery, battery pack, method for manufacturing the battery, and method for manufacturing the battery pack
  • Battery, battery pack, method for manufacturing the battery, and method for manufacturing the battery pack
  • Battery, battery pack, method for manufacturing the battery, and method for manufacturing the battery pack

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Embodiment Construction

[0049] The battery of the present invention includes: a pair of cylindrical bottomed cans; a joint ring connecting the open ends of the pair of bottomed cans; The power generating element of the counter electrode. Of the pair of bottomed tanks, one bottomed tank is electrically connected to one electrode (for example, a positive electrode), and the other bottomed tank is electrically connected to the other electrode (for example, a negative electrode). In addition, the area of ​​the coupling ring that is in contact with one bottomed tank is electrically insulated from the area in contact with the other bottomed tank. For this purpose, for example, a battery can be constructed in which a pair of bottomed cans and / or coupling rings are used as battery cases, one bottomed can is used as a positive electrode, and the other bottomed can is used as a negative electrode. Furthermore, in the battery of the present invention, any region of each bottomed can may be used as the terminal...

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Abstract

A battery of the present invention includes a pair of cylindrical bottomed cans, a joint ring for joining open end portions of the respective bottomed cans to each other, and a power generation component including a pair of electrodes, which is accommodated in the joined bottomed cans. One of the bottomed cans is electrically connected to one of the electrodes, the other bottomed can is electrically connected to the other electrode, and a region of the joint ring that is in contact with one of the bottomed cans is electrically insulated from a region of the joint ring that is in contact with the other bottomed can. With this configuration, a battery that requires a smaller space for accommodating a power generation component is provided.

Description

technical field [0001] The present invention relates to a battery, a battery pack integrating the battery, and a method of manufacturing the battery and the battery pack. Background technique [0002] In recent years, with the development of transportation equipment such as hybrid vehicles and electric vehicles, and portable equipment such as personal computers, the role of batteries has become more and more important. The development of battery-equipped devices is highly competitive, and smaller, high-output batteries and low-cost batteries are in demand. [0003] Figure 25 An example of a conventional battery is shown. Figure 25 The illustrated battery 101 is a so-called cylindrical battery, and is applied to various batteries such as nickel-metal hydride batteries and lithium batteries. Figure 25 In the illustrated battery 101 , an electrode plate assembly 108 and battery liquid are accommodated in a cylindrical battery case 102 , and the electrode plate assembly 108 i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M50/107H01M50/152H01M50/213H01M50/249H01M50/51
CPCY02E60/12H01M10/04H01M2/02H01M2/04H01M2/20H01M2/06H01M2/10Y02E60/10H01M50/107Y02P70/50
Inventor 清水新太郎米山聪
Owner PANASONIC CORP
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