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Storage element and terminal fabricating method

A technology for electric storage components and external terminals, which is applied in the direction of electrical components, final product manufacturing, battery pack components, etc., to achieve the effect of simplified structure, simple and cheap production

Active Publication Date: 2012-07-04
GS YUASA INT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the above structure, only the undeformed positive electrode through-connection part is riveted and fixed on the positive electrode fixing part.

Method used

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  • Storage element and terminal fabricating method
  • Storage element and terminal fabricating method
  • Storage element and terminal fabricating method

Examples

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Embodiment Construction

[0033] Embodiments of the present invention will be described below with reference to the drawings. In the following description, terms indicating specific directions or positions (such as terms including "upper", "lower", "side", and "end") are used as needed, and these terms are only for the convenience of understanding the invention with reference to the drawings. As used, the technical scope of the present invention is not limited based on the meanings of these words. In addition, the following description is merely an illustration in nature, and is not intended to limit the present invention, its applicable products, or its uses.

[0034] figure 1 A non-aqueous electrolyte secondary battery as an example of an electricity storage element is shown. like figure 2 As shown, the non-aqueous electrolyte secondary battery has a structure in which a power generating unit 2 is accommodated in a battery container 1 and sealed by a lid body 3 . Here, the exterior body is const...

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PUM

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Abstract

The invention provides a storage element and terminal fabricating method which simplifies the structure of an external terminal and realizes simple and cost-saving manufacture. A storage element includes: the external terminal (14) having an exposed surface which is exposed to the outside from an envelope (1, 3), a current collector (13) which is contained inside of the envelope (1, 3) and is connected to the external terminal (14), and a power generating element (2) which is contained inside of the envelope (1, 3) and is connected to the current collector (13). The external terminal (14) includes: a flat portion exposed to the outside; and a shaft (31) projecting from the flat portion to the inside of the envelope and being connected to the current collector (13).

Description

technical field [0001] The present invention relates to a method for manufacturing an electric storage element and a terminal. Background technique [0002] At present, in a battery as an example of an electric storage element, a structure of an external terminal is disclosed, that is, by pressing the four arms to expand into a cross shape, the undeformed positive electrode through-connection part is riveted and fixed (kashime fixed) on the The positive electrode fixing portion serves as the positive electrode overlapping portion (for example, refer to Patent Document 1). [0003] Patent Document 1: (Japanese) Unexamined Patent Publication No. 2010-33766 [0004] However, in the above structure, the undeformed positive electrode through connection portion is simply riveted and fixed on the positive electrode fixing portion. Then, the connection between the external terminal and the bus bar is performed through the positive electrode connecting portion extending from the po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/30H01M2/20H01M50/571
CPCY02E60/12H01M2/30H01M50/553H01M50/55H01M50/176H01M50/562Y10T29/49204Y02E60/10H01M50/571Y02P70/50H01M50/531
Inventor 伊藤瞬
Owner GS YUASA INT LTD
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