{
  "$type": "site.standard.document",
  "description": "An aspect of the present invention is an energy storage device including a negative electrode including a negative substrate and a negative active material layer layered directly or indirectly on at least one surface of the negative substrate, where the negative active material layer contains…",
  "path": "/patents/1396356",
  "publishedAt": "2025-03-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01G11/24",
    "GS YUASA INT LTD [JP]"
  ],
  "textContent": "An aspect of the present invention is an energy storage device including a negative electrode including a negative substrate and a negative active material layer layered directly or indirectly on at least one surface of the negative substrate, where the negative active material layer contains: solid graphite particles that have a median diameter D1; hollow graphite particles that have a larger median diameter D2 than the solid graphite particles; and a conductive agent, and the conductive agent is fibrous carbon.",
  "title": "ENERGY STORAGE DEVICE AND NEGATIVE ELECTRODE FOR ENERGY STORAGE DEVICE"
}