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Material for metallic outer case for secondary battery utilizing non-aqueous electrolyte, metallic outer case, secondary battery, and process for production of material for metallic outer case

A non-aqueous electrolyte and secondary battery technology, applied in non-aqueous electrolyte batteries, non-aqueous electrolytes, secondary batteries, etc., can solve the problems of battery voltage reduction, unqualified factory test, and reduced pass rate, etc., to avoid battery Reduced voltage, improved yield, and excellent productivity

Inactive Publication Date: 2012-02-29
NIPPON STEEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The battery with this micro-short circuit becomes unacceptable in the factory test due to the drop in battery voltage, and the pass rate decreases.

Method used

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  • Material for metallic outer case for secondary battery utilizing non-aqueous electrolyte, metallic outer case, secondary battery, and process for production of material for metallic outer case
  • Material for metallic outer case for secondary battery utilizing non-aqueous electrolyte, metallic outer case, secondary battery, and process for production of material for metallic outer case
  • Material for metallic outer case for secondary battery utilizing non-aqueous electrolyte, metallic outer case, secondary battery, and process for production of material for metallic outer case

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Embodiment Construction

[0088] The structure of the raw material for the metal case of the present invention and the secondary battery using the non-aqueous electrolyte to which the metal case is applied will be described below. In addition, in this specification and drawings, the same code|symbol is attached|subjected to the component which has substantially the same functional structure, and repeated description is abbreviate|omitted. A secondary battery using a nonaqueous electrolyte that can be used in the present invention is, for example, a lithium ion battery. This secondary battery using a nonaqueous electrolyte includes an electrode group, a nonaqueous electrolyte, and a metal exterior case. In addition, the electrode group is composed of a positive electrode material, a negative electrode material, and a separator between the positive electrode material and the negative electrode material. For example, in the case of a lithium ion battery, the positive electrode material is an Al foil coat...

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Abstract

Disclosed is a material for a metallic outer case for a secondary battery utilizing a non-aqueous electrolyte, which comprises: a steel sheet; and a plating layer which comprises a Ni layer and a Cu-Ni layer arranged between the Ni layer and the steel sheet and being in contact with the Ni layer and which is in contact with the steel sheet.

Description

technical field [0001] The present invention relates to a material for producing a metal case for a secondary battery using a nonaqueous electrolyte and a method for producing the material. In addition, the present invention also relates to a metal case for a secondary battery manufactured by press-molding the raw material for the metal case, and a metal case in which a positive electrode, a negative electrode, and a separator are inserted and a non-aqueous electrolyte is injected. secondary battery made of electrolyte. [0002] This application is based on Japanese Patent Application No. 2009-085746 filed in Japan on March 31, 2009, Japanese Patent Application No. 2009-150099 filed in Japan on June 24, 2009, and Japanese Patent Application No. 2009 in Japan on June 29, 2009 Priority is claimed to No. 2009-153746, the content of which is incorporated herein by reference. Background technique [0003] In recent years, as consumer mobile devices have become smaller and more ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02C25D5/12C25D5/50H01M10/0525H01M10/0566H01M50/119H01M50/124H01M50/128H01M50/133
CPCC25D5/12C25D5/14C25D5/50H01M10/05C25D3/38C25D3/66Y10T428/12854Y10T428/1291Y02E60/10H01M50/124H01M50/1245C25D5/627C25D5/605H01M50/133H01M50/128H01M50/119H01M50/129H01M2300/0025
Inventor 仲泽真人林公隆高桥武宽
Owner NIPPON STEEL CORP