Title:
ROLLED COPPER FOIL FOR LITHIUM ION BATTERY CURRENT COLLECTOR AND LITHIUM ION BATTERY
Document Type and Number:
Japanese Patent JP2019175705
Kind Code:
A
Abstract:
To provide a rolled copper foil for a lithium ion battery current collector, having good adhesion to a negative electrode active material, generating less metal powder during ultrasonic welding.SOLUTION: The rolled copper foil for a lithium-ion battery current collector satisfies, wetting tension [mN/m]+arithmetic mean roughness Ra [μm]×60≥41, 0.01≤arithmetic average roughness Ra [μm]≤0.25, and the wetting tension [mN/m]≥35.SELECTED DRAWING: Figure 3
Inventors:
KUDO TAKEHIRO
Application Number:
JP2018062996A
Publication Date:
October 10, 2019
Filing Date:
March 28, 2018
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
H01M4/64; H01M4/66
Domestic Patent References:
| JP2012099351A | 2012-05-24 | |||
| JP2010168605A | 2010-08-05 | |||
| JP2007305322A | 2007-11-22 | |||
| JP2008258010A | 2008-10-23 | |||
| JP2008270004A | 2008-11-06 | |||
| JP2014011077A | 2014-01-20 | |||
| JP2012243454A | 2012-12-10 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation