Title:
ELECTROLYTIC FOIL AND BATTERY CURRENT COLLECTOR
Document Type and Number:
WIPO Patent Application WO/2021/075253
Kind Code:
A1
Abstract:
[Problem] An objective of the present invention is to provide an electrolytic foil and battery current collector in which the risk of breakage or tearing during manufacturing presented by decreased thickness can be suppressed, and which possess sufficient strength for repeated charging and discharging in a secondary cell. [Solution] An electrolytic foil and battery current collector containing a Ni-Fe alloy layer, characterized by having a thickness of 1.5 μm to 10 μm and comprising a first face and a second face, the value of a three-dimensional surface properties parameter Sv divided by the thickness being 0.5 or less for the first face and the second face.
Inventors:
KAWAMURA MICHIO (JP)
HORIE SHINICHIROU (JP)
TSUTSUMI ETSURO (JP)
YOSHIZAKI YUMA (JP)
YOSHIOKA KOH (JP)
HORIE SHINICHIROU (JP)
TSUTSUMI ETSURO (JP)
YOSHIZAKI YUMA (JP)
YOSHIOKA KOH (JP)
Application Number:
PCT/JP2020/036826
Publication Date:
April 22, 2021
Filing Date:
September 29, 2020
Export Citation:
Assignee:
TOYO KOHAN CO LTD (JP)
International Classes:
C25D1/00; C25D1/04; H01M4/64; H01M4/66
Foreign References:
| JP2018506641A | 2018-03-08 | |||
| JP2009246120A | 2009-10-22 | |||
| JP2017047466A | 2017-03-09 | |||
| US20140345677A1 | 2014-11-27 |
Attorney, Agent or Firm:
OHTA PATENT AND TRADEMARK ATTORNEYS (JP)
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