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Can type lithium secondary battery

A lithium secondary battery, can type technology, applied in the direction of secondary battery, secondary battery manufacturing, lithium storage battery, etc., can solve problems such as deterioration of electrical characteristics of lithium secondary battery

Active Publication Date: 2009-03-11
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the electrical characteristics of the lithium secondary battery deteriorate

Method used

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  • Can type lithium secondary battery
  • Can type lithium secondary battery
  • Can type lithium secondary battery

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Embodiment Construction

[0037] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The aspects and features of the present invention and methods for achieving the aspects and features will be more apparent by referring to the embodiments described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed hereinafter, but can be implemented in various ways. Matters defined in the description, such as detailed structures and elements, are merely specific details provided to assist those of ordinary skill in the art in understanding the present invention, and the present invention is only limited within the scope of the appended claims. Throughout the description of the invention, the same reference numerals are used to denote the same elements in the various drawings.

[0038] now refer to Figure 1 to Figure 5b , the can type lithium secondary batte...

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Abstract

A can type lithium secondary battery preventing a cap assembly having a terminal plate from being deformed due to a spinning pressure introduced by an insertion of an electrode terminal by forming a reinforcing part on a terminal plate includes an electrode assembly having a first electrode plate, a second electrode plate and a separator formed between the first and second electrode plates, a can receiving the electrode assembly and an electrolyte, and a cap assembly including a cap plate, an insulation plate, a terminal plate with a reinforcing part for preventing the deformation of the terminal plate, an electrode terminal, and a gasket coupled to an upper end opening of the can. The can type lithium secondary battery may include protrusions formed on insulation plate and terminal plate respectively, and grooves formed in the cap plate, insulation plate and terminal plate respectively for receiving the corresponding protrusions, and the grooves may be formed in the cap plate, insulation plate and terminal plate respectively.

Description

[0001] priority claim [0002] This application claims priority and benefit from Korean Patent Application No. 10-2007-0089090 filed on September 3, 2007, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a can-type lithium secondary battery, and more particularly, to a can-type lithium secondary battery including a reinforcing portion formed on a terminal plate to prevent a cap assembly including the terminal plate from being deformed due to a spinning pressure of an electrode terminal. Lithium secondary battery. Background technique [0004] Recently, portable electronic devices such as cellular phones, notebook computers, camcorders, and others have been made compact and lightweight. These portable electronic devices have built-in battery packs to operate where a separate power source cannot be provided. A built-in battery pack includes at least one battery to output a constant voltage to drive a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/40H01M2/04H01M50/147H01M50/176H01M50/536H01M50/538H01M50/55H01M50/553
CPCY02E60/12H01M10/0587Y02E60/122H01M2/04H01M2/0217H01M10/0431H01M2/263H01M10/0436H01M2/06H01M2/0404Y02E60/10H01M50/103H01M50/147H01M50/538Y02P70/50H01M50/553H01M50/55H01M50/176H01M50/536H01M10/052H01M50/15
Inventor 鱼和一
Owner SAMSUNG SDI CO LTD