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Bag type lithium integrated battery and its manufacture

A polymer and battery technology, applied in secondary battery manufacturing, lithium batteries, secondary batteries, etc., can solve the problems of battery length and complex appearance

Active Publication Date: 2005-12-28
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the conventional lithium polymer battery requires many process steps for mounting the protection circuit module and has a complicated appearance
Because the protection circuit module is arranged in front of the electrode assembly bag, these conventional lithium polymer batteries are still very long

Method used

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  • Bag type lithium integrated battery and its manufacture
  • Bag type lithium integrated battery and its manufacture
  • Bag type lithium integrated battery and its manufacture

Examples

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Embodiment Construction

[0043] Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. In the following description and drawings, the same reference numerals are used to designate the same or similar components, and thus repeated descriptions about the same or similar components will be omitted.

[0044] Figures 1 to 3 A pouch-type lithium battery 100 according to one embodiment of the present invention is shown. specifically is, figure 1 is a perspective view of a pouch-type lithium polymer battery 100 according to one embodiment of the present invention. figure 2 yes figure 1 A side sectional view of the battery along line 1-1. image 3 yes figure 2 Closed side sectional view of region 2 in .

[0045] Such as Figures 1 to 3As shown, the pouch-type lithium polymer battery 100 generally includes an electrode assembly 110 , a pouch 120 for containing and sealing the electrode assembly 110 , and a protective circuit structure 130 arrang...

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Abstract

Pouch-type lithium polymer batteries and methods of making them are disclosed. Such batteries include a wound electrode assembly including positive and negative plates and a separator. Positive and negative tabs are attached to the positive and negative plates and extend from the electrode assembly. The electrode assembly is packed into a pouch including a chamber and a lid. Positive and negative tabs extend out of the bag. The protective circuit module is electrically connected to the positive and negative electrode tabs, and is molded with or encased in resin to form a protective circuit structure disposed opposite to the front surface of the pouch. The pouch-type lithium polymer battery of the present invention can be used in external devices such as laptop computers or PDAs. The protection circuit structure of the present invention will not be short-circuited with the circuit of the external device.

Description

[0001] This application claims priority from and benefits from Korean Patent Application 2004-0046670 filed with the Korean Intellectual Property Office on June 22, 2004, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0002] The present invention relates to a pouch-type lithium polymer battery and a method of manufacturing the same. More particularly, the present invention is directed to a pouch-type lithium polymer battery having a protective circuit module molded with or encased in resin to prevent short circuiting of the battery with an external circuit. Background technique [0003] A lithium polymer battery includes an electrode assembly including a separator interposed between positive and negative plates. Similar to the electrolyte, the separator acts as a medium for ion conduction. Separators also function as isolation in lithium-ion batteries. These separators typically include a gel-type polymer electrolyte made by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M10/05H01M10/052H01M10/0525H01M10/0565H01M10/0587H01M10/42H01M50/105H01M50/119H01M50/121H01M50/129H01M50/178H01M50/529H01M50/55H01M50/553H01M50/574H01M50/588
CPCH01M4/13H01M10/0431H01M10/052H01M10/0565H01M10/0587H01M10/4235Y10T29/4911Y10T29/49108Y10T29/49114Y02E60/10Y02P70/50H01M50/588H01M50/129H01M50/105H01M50/119H01M50/178H01M50/55H01M50/553H01M50/574H01M50/121H01M50/20H01M50/529
Inventor 李亨馥
Owner SAMSUNG SDI CO LTD
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