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Secondary battery and manufacturing method thereof

a secondary battery and manufacturing method technology, applied in the field of secondary batteries, can solve the problems of increasing the size of secondary batteries, and achieve the effect of minimizing the performance of secondary batteries

Active Publication Date: 2016-05-17
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0018]According to the present disclosure, the influence of heat generated at a welding spot between an electrode tab and an electrode lead on the performance of a secondary battery may be minimized. Accordingly, in the design of a large capacity secondary battery, the battery performance may be close to an ideal condition.

Problems solved by technology

Also, as the output and charging capacity required for an energy storage system becomes higher, the size of secondary batteries also increases.

Method used

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Examples

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Embodiment Construction

[0026]Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Prior to the description, it should be understood that the terms used in the specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present disclosure on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Therefore, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the disclosure, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the disclosure.

[0027]FIG. 1 is an exploded perspective view illustrating construction of a secondary battery 100 according to an exemplary embodi...

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Abstract

The present disclosure discloses a secondary battery and a manufacturing method thereof. According to the present disclosure, the influence of heat generated at a welding spot between an electrode tab and an electrode lead on the performance of a secondary battery may be minimized. Accordingly, in the design of a large capacity secondary battery, the battery performance may be close to an ideal condition.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application is a continuation of International Application No. PCT / KR2014 / 002014 filed on Mar. 11, 2014, which claims priority to Korean Patent Application No. 10-2013-0025690 filed in the Republic of Korea on Mar. 11, 2013 and Korean Patent Application No. 10-2014-0028309 filed in the Republic of Korea on Mar. 11, 2014, the disclosures of which are incorporated herein by reference.TECHNICAL FIELD[0002]The present disclosure relates to a secondary battery and a manufacturing method thereof, and more particularly, to a secondary battery on which the influence of heat generated at a welding spot between an electrode tab and an electrode lead is minimized and a manufacturing method thereof.BACKGROUND ART[0003]Due to its characteristics of being easily applicable to various products and electrical characteristics such as a high energy density, a secondary battery is not only commonly applied to portable equipment, but universally a...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H01M2/26H01M2/28H01M2/08H01M2/02H01M6/12H01M6/46H01M2/30H01M2/20
CPCH01M2/30H01M2/024H01M2/206H01M2/266Y10T29/49108
Inventor JUNG, HO-SUBJUNG, SEUNG-HUNYOO, IN-SUN
Owner LG ENERGY SOLUTION LTD
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