{
  "$type": "site.standard.document",
  "description": "The present invention relates to a copper foil current collector having superior adhesion to an active material of a Li secondary battery. The electrolytic copper foil of the present invention having a first surface and a second surface comprises: a first protective layer at the first surface; a…",
  "path": "/patents/1291982",
  "publishedAt": "2021-06-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/661",
    "KCF Technologies Co., Ltd."
  ],
  "textContent": "The present invention relates to a copper foil current collector having superior adhesion to an active material of a Li secondary battery. The electrolytic copper foil of the present invention having a first surface and a second surface comprises: a first protective layer at the first surface; a second protective layer at the second surface; and a copper film between the first and second protective layers, wherein an oxygen-containing part at the second surface has a thickness (OT) of not less than 1.5 nm. According to the present invention, an electrolytic copper foil current collector for a Li secondary battery, which has low electric resistance and high adhesion to an active material, can be provided.",
  "title": "ELECTROLYTIC COPPER FOIL, METHOD FOR MANUFACTURING THE SAME, AND ANODE FOR LITHIUM SECONDARY BATTERY OF HIGH CAPACITY"
}