{
  "$type": "site.standard.document",
  "description": "One embodiment of the present disclosure provides an electrolytic copper foil includes a copper layer and has a width direction weight deviation of 5% or less calculated according to Equation 1 below, a tensile strength of 25 kgf/mmto 62 kgf/mm, and a valley depth-to-thickness (VDT) of 3.5 to 66.9…",
  "path": "/patents/1315723",
  "publishedAt": "2022-04-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C25D3/38",
    "SK NEXILIS CO., LTD."
  ],
  "textContent": "One embodiment of the present disclosure provides an electrolytic copper foil includes a copper layer and has a width direction weight deviation of 5% or less calculated according to Equation 1 below, a tensile strength of 25 kgf/mmto 62 kgf/mm, and a valley depth-to-thickness (VDT) of 3.5 to 66.9 calculated according to Equation 2 below. width direction weight deviation (%)=(standard deviation of weight/arithmetic mean of weight)×100, and [Equation 1] VDT=[thickness of electrolytic copper foil]/[maximum valley depth of roughness profile()]. [Equation 2]",
  "title": "ELECTROLYTIC COPPER FOIL CAPABLE OF PREVENTING TEARING OR WRINKLE DEFECTS, ELECTRODE CONTAINING SAME, SECONDARY BATTERY CONTAINING SAME, AND METHOD FOR MANUFACTURING SAME"
}