{
  "$type": "site.standard.document",
  "description": "A main object of the present disclosure is to provide an active material wherein a volume variation due to charge/discharge is small. The present disclosure achieves the object by providing an active material comprising a silicon clathrate II type crystal phase, including a void inside a primary…",
  "path": "/patents/1417735",
  "publishedAt": "2023-12-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B33/00",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A main object of the present disclosure is to provide an active material wherein a volume variation due to charge/discharge is small. The present disclosure achieves the object by providing an active material comprising a silicon clathrate II type crystal phase, including a void inside a primary particle, and a void amount of the void with a fine pore diameter of 100 nm or less is 0.05 cc/g or more and 0.15 cc/g or less.",
  "title": "ACTIVE MATERIAL, ANODE LAYER, BATTERY, AND METHODS FOR PRODUCING THESE"
}