Title:
CURRENT COLLECTOR FOR BATTERY, AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/070302
Kind Code:
A1
Abstract:
[Problem] To provide: a current collector for a battery, the current collector having sufficient strength to suppress cracking and tearing that may occur during manufacture due to reduction in thickness; and a battery having said current collector. [Solution] This current collector for a battery is characterized by having at least: a first metal layer containing at least a metal selected from among Cu, Fe, and Ni; and a second metal layer which is laminated on the first metal layer, and contains at least a metal that is selected from among Cu, Fe, and Ni, and different from the metal contained in the first metal layer, wherein one among the first metal layer and the second metal layer contains Ni, and the roughness Ra at the lamination interface between the first metal layer and the second metal layer is at least 0.12.
Inventors:
HORIE SHINICHIROU (JP)
KOBAYASHI HIDEHIKO (JP)
YOSHIOKA KOH (JP)
KOBAYASHI HIDEHIKO (JP)
YOSHIOKA KOH (JP)
Application Number:
PCT/JP2017/035964
Publication Date:
April 19, 2018
Filing Date:
October 03, 2017
Export Citation:
Assignee:
TOYO KOHAN CO LTD (JP)
International Classes:
H01M4/66; C25D1/04
Domestic Patent References:
| WO2012091060A1 | 2012-07-05 | |||
| WO2011024443A1 | 2011-03-03 |
Foreign References:
| JP2006269362A | 2006-10-05 | |||
| JP2008098094A | 2008-04-24 | |||
| JPH06310147A | 1994-11-04 |
Attorney, Agent or Firm:
OHTA PATENT OFFICE (JP)
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