Title:
ELECTROLYTIC COPPER FOIL AND SECONDARY BATTERY USING THE SAME
Document Type and Number:
Japanese Patent JP2023099618
Kind Code:
A
Abstract:
To provide an electrolytic copper foil having high strength even when it is thin and having an improved drawing ratio.SOLUTION: An electrolytic copper foil comprises TOC (Total Organic Carbon) of 4 ppm or less, and Cl (chlorine) of 10 ppm or less, and is composed of a single layer or two or more laminates satisfying the following formula (1). Thickness (μm)/(Tensile strength (kgf/mm2)*Elongation ratio (%))≤0.1 (1)SELECTED DRAWING: Figure 2
Inventors:
LEE SUNG HYUN
PARK SEUL-KI
JO TAE JIN
SONG KI DEOK
PARK SEUL-KI
JO TAE JIN
SONG KI DEOK
Application Number:
JP2023078483A
Publication Date:
July 13, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
LOTTE ENERGY MAT CORP
International Classes:
C25D1/00; C25D1/04; H01M4/13; H01M4/66
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Osamu Miyazaki
Tadahiko Ito
Osamu Miyazaki
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