An outer package for a power storage device and the power storage device

A technology of power storage device and outer packaging, which is applied to battery electrodes, battery boxes/jackets, non-aqueous electrolyte batteries, etc. Effect

Inactive Publication Date: 2016-11-02
SHOWA DENKO PACKAGING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the battery described in Patent Document 1, since it is necessary to provide tab wires (lead wires) drawn out from the electrodes, there is a problem of increasing the number of corresponding parts.
In addition, since the tab wire needs to be fixed to the heat-sealed portion of the periphery of the laminated outer packaging material, there is also a problem that the corresponding manufacturing man-hours are increased and labor is required.

Method used

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  • An outer package for a power storage device and the power storage device
  • An outer package for a power storage device and the power storage device
  • An outer package for a power storage device and the power storage device

Examples

Experimental program
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Effect test

Embodiment 1

[0151] Coating a chemical conversion treatment solution containing polyacrylic acid, phosphoric acid, and compounds of chromium and fluorine on both sides of a 40 μm-thick nickel-plated (plating thickness: 1 μm) aluminum foil, and drying at 150°C to allow chromium to adhere The amount reaches 3mg / m 2 , thereby obtaining the first metal layer 2 .

[0152] Next, a polyester polyurethane adhesive is applied to one surface of the first metal layer 2 described above. When performing this coating, the central portion of one surface of the first metal layer 2 is used as an adhesive-uncoated region by masking (sticking a masking tape). Thereafter, a biaxially stretched polyamide film (first insulating resin film) 8 having a thickness of 25 μm was pasted on the surface coated with the polyester polyurethane adhesive. Next, an acid-modified polypropylene adhesive is coated on the other surface of the first metal layer 2 . When performing this coating, the central portion of the other...

Embodiment 2

[0155] As the above-mentioned first metal layer 2, except for using a metal layer obtained by subjecting the clad material (aluminum-nickel foil) to the same chemical conversion treatment as in Example 1, an outer package of a flat sheet was obtained in the same manner as in Example 1. Body 50 ( figure 1 cover body 55).

Embodiment 3

[0157] As the above-mentioned first metal layer 2, in addition to using SnO with a thickness of 0.5 μm by coating 2 A flat plate was obtained in the same manner as in Example 1, except that the layer (conductive metal oxide) 2B was laminated on both sides of the aluminum foil (first metal foil) 2A subjected to the same chemical conversion treatment as in Example 1. The outer packaging body 50 of the sheet ( figure 1 cover body 55).

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Abstract

The invention relates to an outer package for a power storage device and the power storage device. The outer package body according to the present invention comprises a metal layer (2) and a thermoplastic resin layer (4) laminated on one surface of the metal layer (2). A part of one surface of the metal layer (2) is provided with a conductive portion (56) which is not covered by the thermoplastic resin layer. The above metal layer (2) can use (A) a metal foil which has been subjected to a plating treatment on at least one surface thereof, (B) a metal foil composed of clad materials or (D) a metal foil with a conductive coating layer containing a conductive agent and a binder laminated on at least one surface thereof.

Description

technical field [0001] The present invention relates to an electrical storage device used as a storage battery for mobile devices, a storage battery for vehicles, a storage battery for regenerative energy recovery, a capacitor (capacitor), and the like, and an outer package for such an electrical storage device. Background technique [0002] In recent years, with the reduction in thickness and weight of portable devices such as smartphones and tablet terminals, metal foil double A laminated outer packaging material with a resin film attached to the surface replaces conventional metal cans. Similarly, a technique of mounting capacitors and capacitors using laminated packaging materials in IC cards and electronic equipment as a backup power supply has also been studied. [0003] As a battery in which the main body of the battery is accommodated in a laminated outer packaging material in which a resin film is pasted on both sides of a metal foil, there is known a battery in wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M10/05
CPCH01M10/05H01M50/116H01M50/545H01M50/124Y02E60/10Y02P70/50H01M4/661H01M10/0413H01M10/0436H01M50/449H01M50/119H01M50/121H01M50/133H01M50/145
Inventor 南谷广治
Owner SHOWA DENKO PACKAGING CO LTD
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