{
  "$type": "site.standard.document",
  "description": "There are provided a method capable of producing a large amount of a carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery from a carbon precursor impregnated with an alkali metal element or an alkali metal compound, and an apparatus for performing such…",
  "path": "/patents/1424093",
  "publishedAt": "2024-01-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/05",
    "KUREHA CORP [JP]"
  ],
  "textContent": "There are provided a method capable of producing a large amount of a carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery from a carbon precursor impregnated with an alkali metal element or an alkali metal compound, and an apparatus for performing such production.The method for producing a carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery according to the present invention includes a heat treatment step of feeding a carbon precursor containing an elemental alkali metal and/or an alkali metal compound, heating the carbon precursor in a temperature range from 1000°C to 1500°C in a non-oxidizing gas atmosphere to produce a carbonaceous material, and discharging the carbonaceous material; and an exhaust gas treatment step of contacting a non-oxidizing exhaust gas containing a gas and a flying carbonaceous matter evolved in the heat treatment step with water or an aqueous solution to treat the exhaust gas.",
  "title": "METHOD AND APPARATUS FOR PRODUCING CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES"
}