{
  "$type": "site.standard.document",
  "description": "A negative electrode active material 10 of the present disclosure includes a composite particle 1 and a coating layer 4 coating at least a part of a surface of the composite particle 1, the composite particle 1 includes an alkali aluminate phase 2 including at least one alkali metal element and Al…",
  "path": "/patents/1390449",
  "publishedAt": "2026-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/36",
    "PANASONIC IP MAN CO LTD [JP]"
  ],
  "textContent": "A negative electrode active material 10 of the present disclosure includes a composite particle 1 and a coating layer 4 coating at least a part of a surface of the composite particle 1, the composite particle 1 includes an alkali aluminate phase 2 including at least one alkali metal element and Al, and a silicon phase 3 dispersed in the alkali aluminate phase 2, and the coating layer 4 includes a lithium sulfonate compound and a hydrophobic polymer compound.",
  "title": "NEGATIVE-ELECTRODE ACTIVE MATERIAL AND BATTERY"
}