Title:
ELECTROLYTIC IRON FOIL
Document Type and Number:
WIPO Patent Application WO/2022/014668
Kind Code:
A1
Abstract:
[Problem] The purpose of the present invention is to provide an electrolytic foil and a battery current collector capable of suppressing the risk of breakage and tearing during manufacturing due to reduction in film thickness and also exhibiting sufficient strength and stretchability during repetitive charging and discharging of a secondary battery. [Solution] An electrolytic iron foil characterized by being less than 20 µm in thickness, having a first surface and a second surface, and values obtained by dividing three-dimensional surface property parameters Sv of both the first surface and the second surface by the thickness being 0.27 or less.
Inventors:
HORIE SHINICHIRO (JP)
KAWAMURA MICHIO (JP)
TSUTSUMI ETSURO (JP)
YOSHIZAKI YUMA (JP)
YOSHIOKA KOH (JP)
KAWAMURA MICHIO (JP)
TSUTSUMI ETSURO (JP)
YOSHIZAKI YUMA (JP)
YOSHIOKA KOH (JP)
Application Number:
PCT/JP2021/026579
Publication Date:
January 20, 2022
Filing Date:
July 15, 2021
Export Citation:
Assignee:
TOYO KOHAN CO LTD (JP)
International Classes:
C25D1/04; H01M4/66
Domestic Patent References:
| WO2020017655A1 | 2020-01-23 |
Foreign References:
| JP2015504599A | 2015-02-12 | |||
| JP2010518252A | 2010-05-27 | |||
| JPH0860392A | 1996-03-05 | |||
| JPH01104792A | 1989-04-21 | |||
| JP2017014608A | 2017-01-19 |
Attorney, Agent or Firm:
OHTA PATENT AND TRADEMARK ATTORNEYS (JP)
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