{
  "$type": "site.standard.document",
  "description": "A hard carbon material used as a component of a negative electrode material. The hard carbon material has a porous structure, an average pore diameter of the hard carbon material is D nm, a cumulative pore volume up to the average pore diameter of the hard carbon material is B cm/g, a micropore…",
  "path": "/patents/1389488",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/05",
    "Ningde Amperex Technology Limited"
  ],
  "textContent": "A hard carbon material used as a component of a negative electrode material. The hard carbon material has a porous structure, an average pore diameter of the hard carbon material is D nm, a cumulative pore volume up to the average pore diameter of the hard carbon material is B cm/g, a micropore volume of the hard carbon material is A cm/g, and a total pore volume of the hard carbon material is C cm/g, where 1.00",
  "title": "HARD CARBON MATERIAL, SECONDARY BATTERY, AND ELECTRIC DEVICE"
}