Title:
STEEL FOIL FOR BATTERY CONTAINERS AND POUCH BATTERY CONTAINER PRODUCED FROM SAME
Document Type and Number:
WIPO Patent Application WO/2022/176553
Kind Code:
A1
Abstract:
The present invention provides a steel foil for battery containers, the steel foil being characterized in that: the maximum value of the maximum principal strain of a uniaxial deformation is 0.25 or more; and the maximum value of the maximum principal strain of a planar strain deformation is 0.1 or more. The present invention is able to provide a steel foil for battery containers, the steel foil being capable of suppressing a crack of a base material if subjected to a harsh molding process for battery containers.
Inventors:
IWAMOTO NOBUHIRO (JP)
IKEDA YASUYUKI (JP)
TAKEMATSU SHINICHI (JP)
HORIE SHINICHIROU (JP)
YOSHIOKA KOH (JP)
IKEDA YASUYUKI (JP)
TAKEMATSU SHINICHI (JP)
HORIE SHINICHIROU (JP)
YOSHIOKA KOH (JP)
Application Number:
PCT/JP2022/003010
Publication Date:
August 25, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
TOYO KOHAN CO LTD (JP)
International Classes:
C21D9/46; C22C38/00; C25D5/26; C25D7/00; H01M50/105; H01M50/119; H01M50/124; H01M50/126; H01M50/131; H01M50/145
Domestic Patent References:
| WO2014208697A1 | 2014-12-31 | |||
| WO2020045627A1 | 2020-03-05 | |||
| WO2019198820A1 | 2019-10-17 | |||
| WO2017179492A1 | 2017-10-19 | |||
| WO2013002356A1 | 2013-01-03 | |||
| WO2016013572A1 | 2016-01-28 | |||
| WO2016013575A1 | 2016-01-28 |
Foreign References:
| JP2019072861A | 2019-05-16 | |||
| JP2001202932A | 2001-07-27 | |||
| JP2005078894A | 2005-03-24 |
Attorney, Agent or Firm:
OHTA PATENT AND TRADEMARK ATTORNEYS (JP)
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