{
  "$type": "site.standard.document",
  "description": "Method for increasing safety of lithium-ion batteries includes: (A), heating heavy oil to obtain a raw coke; (B), heating the raw coke to 850-900°C for at least 4 hours at heating rate of 3-5°C/min to obtain a carbon-containing material; (C), grinding and grading the carbon-containing material…",
  "path": "/patents/1416744",
  "publishedAt": "2026-06-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/205",
    "CPC CORP TAIWAN [TW]"
  ],
  "textContent": "Method for increasing safety of lithium-ion batteries includes: (A), heating heavy oil to obtain a raw coke; (B), heating the raw coke to 850-900°C for at least 4 hours at heating rate of 3-5°C/min to obtain a carbon-containing material; (C), grinding and grading the carbon-containing material, taking out a carbon-containing powder with D50 of 8-12µm and D10 of 1-8µm; (D), heating the carbon-containing powder to 1030-1220°C for at least 4 hours at heating rate of 3-10°C/min to obtain a carbon material powder; (E), after adding pitch accounting for at least 4wt% of the carbon material powder to the carbon material powder, heating the carbon material powder to 1030-1220°C for at least 5 hours at heating rate of 0.90-1.25°C/min, to obtain soft carbon modified by pitch; (F), adding the soft carbon to graphite as an anode material, and a weight ratio of the soft carbon to the graphite is 1: 1-39.",
  "title": "METHOD FOR INCREASING SAFETY OF LITHIUM-ION BATTERIES"
}