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Composite material tape for lithium secondary battery and lithium secondary battery using the same

A composite material tape, lithium secondary battery technology, applied in the field of composite material tape, can solve the problems of short circuit, heat generation, reducing the thermal insulation or electrical insulation properties of the insulating tape, etc.

Active Publication Date: 2006-03-29
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, heat may be frequently generated in the lithium secondary battery, causing malfunction such as short circuit
Since the insulating tape or insulating tape used for electrical insulation or heat insulation is mainly composed of organic materials such as PI (polyimide), PET (polyethylene terephthalate) or PP (polypropylene) Therefore, the heat generated in the lithium secondary battery may degrade the thermal or electrical insulating properties of the insulating tape

Method used

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  • Composite material tape for lithium secondary battery and lithium secondary battery using the same
  • Composite material tape for lithium secondary battery and lithium secondary battery using the same
  • Composite material tape for lithium secondary battery and lithium secondary battery using the same

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Embodiment Construction

[0036] Exemplary embodiments of the present invention are described below with reference to the drawings. In the following description and drawings, in order to avoid repeated description of the same and similar components, the same reference numerals are used to denote the same or similar components.

[0037] figure 1is a cross-sectional view of a strip of composite material 10 according to one embodiment of the invention. As shown, the composite strip 10 includes an organic matrix 12 and a plurality of plate-shaped inorganic components 14 dispersed in the organic matrix 12 . The composite tape 10 is manufactured by mixing an organic matrix 12 having a relatively low melting point with an inorganic component 14 having a relatively high melting point. A composite material tape with such a composition retains its insulating and heat-insulating properties as well as its shape under high temperature conditions. This is because the inorganic component 14 remains intact even if ...

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Abstract

A composite material tape and a lithium secondary battery using the same are provided. The composite material tape includes an organic base and at least one inorganic compound dispersed within the organic base. The composite material tapes of the present invention exhibit improved Insulative and heat-resistant characteristics.

Description

[0001] Cross References to Related Applications [0002] The present invention claims Korean Application No. 10-2004-0076136 filed on September 22, 2004 with the Korean Intellectual Property Office, Korean Application No. 10-2004-0076137 filed on September 22, 2004, and May 2005 Priority of Korean Application No. 10-2005-0045758 filed on the 30th, which are incorporated herein by reference. technical field [0003] The present invention relates to a composite material tape and a lithium secondary battery using the composite material tape. More particularly, the present invention relates to a composite tape comprising an organic matrix and an inorganic component and having improved thermal insulation and heat resistance properties. Background technique [0004] Unlike a primary battery, a secondary battery is rechargeable, and it can be used repeatedly in a charge / discharge cycle. Secondary batteries are widely used in advanced electronic devices such as cellular phones, no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/00H01B3/42H01B3/44C08L23/00C08L71/00C08L77/00C09K5/00H01M10/38H01M10/40H01M2/02H01M2/26
CPCY02E60/12Y02E60/122Y02E60/10H01M10/052H01M50/116H01M50/124H01M50/538H01M50/543
Inventor 金川洙林鸿燮李相沅
Owner SAMSUNG SDI CO LTD
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