Title:
低温物性が優れた二次電池用電解銅箔及びその製造方法
Document Type and Number:
Japanese Patent JP7320586
Kind Code:
B2
Abstract:
The present invention relates to an electrolytic copper foil for a secondary battery, having excellent physical properties at a low temperature, and a method for producing the electrolytic copper foil and, greater specifically, to an electrolytic copper foil for a secondary battery, which shows little change in the physical properties, such as tensile strength and elongation, of a copper foil even at a low temperature and thereby exhibits excellent cycle properties at the low temperature, and to a method for producing the electrolytic copper foil. According to an aspect of the present invention, an embodiment of the prevent invention includes an electrolytic copper foil for a secondary battery, which is produced from a plating solution, containing total organic carbon (TOC), cobalt, iron and zinc, by using a drum and coated with a cathode active material, wherein the ratio between the TOC, cobalt, iron and zinc contained in the electrolytic copper foil follows the following formula 1: [Formula 1] TOC/(cobalt + iron + zinc) = 1.0 - 1.2.
Inventors:
Lee Sung Hyun
Butterfly, taejin
Park, Surugi
Son kidok
Butterfly, taejin
Park, Surugi
Son kidok
Application Number:
JP2021196403A
Publication Date:
August 03, 2023
Filing Date:
December 02, 2021
Export Citation:
Assignee:
Lotte Energy Materials Corporation
International Classes:
C25D1/04; C25D1/00; H01M4/66
Domestic Patent References:
| JP2016125120A | ||||
| JP2014111827A | ||||
| JP49031183B1 | ||||
| JP2017526115A | ||||
| JP2013019037A | ||||
| JP2007141831A | ||||
| JP2003270208A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Osamu Miyazaki
Tadahiko Ito
Osamu Miyazaki