{
  "$type": "site.standard.document",
  "description": "A method of manufacturing a porous silicon, comprising: bringing a raw material containing a silicate into contact with an alkali earth metal gas; and bringing the raw material, which was brought into contact with the alkali earth metal gas, into contact with an acid.",
  "path": "/patents/965040",
  "publishedAt": "2026-05-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B33/023",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A method of manufacturing a porous silicon, comprising: bringing a raw material containing a silicate into contact with an alkali earth metal gas; and bringing the raw material, which was brought into contact with the alkali earth metal gas, into contact with an acid.",
  "title": "POROUS SILICON MANUFACTURING METHOD, POROUS SILICON, NEGATIVE ELECTRODE LAYER, AND SECONDARY BATTERY"
}