{
  "$type": "site.standard.document",
  "description": "Disclosed is a method for purification and lattice reconstruction of graphite in a power battery, which includes the following steps: subjecting a waste power battery to discharging, coarse breaking, pyrolysis, fine breaking and sorting sequentially to obtain electrode material powder; mixing the…",
  "path": "/patents/1401493",
  "publishedAt": "2025-03-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/20",
    "HUNAN BRUNP RECYCLING TECH CO LTD [CN]"
  ],
  "textContent": "Disclosed is a method for purification and lattice reconstruction of graphite in a power battery, which includes the following steps: subjecting a waste power battery to discharging, coarse breaking, pyrolysis, fine breaking and sorting sequentially to obtain electrode material powder; mixing the electrode material powder with a metal extractant, standing still, then washing with a purifying agent A, filtering to obtain a filter residue A, mixing the filter residue A with the metal extractant, standing still, then washing with a purifying agent B, and filtering to obtain a crude graphite; subjecting the crude graphite to the de-organic treatment, cooling, ball milling, and ventilation replacement to obtain a primary purified graphite; and introducing a rare gas into a primary purified graphite to repair the graphite lattice.",
  "title": "METHOD FOR GRAPHITE PURIFICATION AND LATTICE RECONSTRUCTION IN POWER BATTERY"
}