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Electrical part, nonaqueous-electrolyte cell, and lead conductor with insulating coating layer and sealed vessel each for use in these

A non-aqueous electrolyte, wire conductor technology, applied in the field of electrical components, can solve problems such as difficulties

Inactive Publication Date: 2009-02-18
SUMITOMO ELECTRIC IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with this invention, since short circuits are likely to occur at temperatures exceeding the melting point of the low-fluidity resin, it is rather difficult to achieve good adhesion with heat sealing performed under such conditions to avoid short circuits.

Method used

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  • Electrical part, nonaqueous-electrolyte cell, and lead conductor with insulating coating layer and sealed vessel each for use in these
  • Electrical part, nonaqueous-electrolyte cell, and lead conductor with insulating coating layer and sealed vessel each for use in these
  • Electrical part, nonaqueous-electrolyte cell, and lead conductor with insulating coating layer and sealed vessel each for use in these

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0064] [Preparation of Wire Conductors with Insulation Coverings Used in Evaluation Tests]

[0065] (Preparation of wire conductors)

[0066] The wire conductor for the cathode was an aluminum plate with a thickness of 0.1 mm, a width of 5 mm and a length of 100 mm. The wire conductor for the anode was a copper plate with a thickness of 0.1 mm, a width of 5 mm and a length of 100 mm.

[0067] (Preparation of insulating cover layer)

[0068] The following four (a, b, c, d) insulating coatings were prepared and applied to the above-mentioned wire conductors, respectively.

[0069] Insulation covering a:

[0070]Overlap in the order listed below to prepare an insulating cover layer a: 50 μm thick maleic anhydride-modified polyethylene (thermal adhesive layer 1: AdmerNE060 produced by Mitsui Chemicals, Inc., density 0.92 g / cc, melt flow rate 1.0, softening temperature 104° C.), 25 μm thick polyester having through-holes prepared in the thickness direction, the through-holes ha...

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Abstract

An electrical part comprises a sealed vessel comprising a metal layer and a lead conductor extending from the inside to the outside of the sealed vessel, the lead conductor and the sealed vessel having been fused to each other at a sealing part through a fusion bonding layer. The electrical part has, between the metal layer and the lead conductor in the sealing part, a layer which is difficult to soften and has through-holes extending in the thickness direction. Also provided are: a nonaqueous-electrolyte cell comprising a sealed vessel and, enclosed therein, a nonaqueous electrolyte and electrodes; and a lead conductor coated with an insulating coating layer and a sealed vessel which are for use in this electrical part, etc.

Description

technical field [0001] The present invention relates to electrical components used in electronic equipment and the like, and particularly to nonaqueous electrolyte batteries used as power sources for small electronic equipment and the like. The invention also relates to a wire conductor with an insulating covering and a sealed container, which are constituent elements of an electrical component. Background technique [0002] In accordance with the trend of miniaturization of electronic equipment, miniaturization and lightening of electrical components used in electronic equipment has been required. Therefore, in the case of power sources, for example, there is a tendency to adopt a nonaqueous electrolyte battery manufactured using a pouch for sealing a container and encapsulating a nonaqueous electrolyte, a cathode, and an anode therein. [0003] Such a sealed container is required to have properties capable of preventing not only electrolyte and gas from permeating but als...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M2/06H01M2/30H01M6/16H01M10/05H01M10/058H01M50/124H01M50/178
CPCH01M2/06H01M10/05H01M2/0277H01M2/08H01M2/0287H01M2/0275H01M2/0285Y02E60/10H01M50/124Y02P70/50H01M50/178H01M6/16H01M50/143H01M50/131H01M50/121H01M50/119H01M50/197H01M50/198H01M50/193H01M50/186H01M50/557H01M50/531H01M50/105H01M2300/0025
Inventor 福田丰
Owner SUMITOMO ELECTRIC IND LTD
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