{
  "$type": "site.standard.document",
  "description": "A negative electrode active material, including a silicon-carbon composite particle including a plurality of silicon nanoparticles and amorphous carbon, wherein the silicon-carbon composite particle includes closed pores therein, a pore volume of a surface of the silicon-carbon composite particle…",
  "path": "/patents/1371219",
  "publishedAt": "2024-11-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/364",
    "SAMSUNG SDI CO., LTD."
  ],
  "textContent": "A negative electrode active material, including a silicon-carbon composite particle including a plurality of silicon nanoparticles and amorphous carbon, wherein the silicon-carbon composite particle includes closed pores therein, a pore volume of a surface of the silicon-carbon composite particle measured by a BJH method is less than about 0.02 cm/g, and a volume of the closed pores of the silicon-carbon composite particle calculated by Equation 1 is about 0.015 cm/g to about 0.05 cm/g.",
  "title": "NEGATIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, AND LITHIUM RECHARGEABLE BATTERIES"
}