{
  "$type": "site.standard.document",
  "description": "A lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes first negative electrode active material particles. The first negative electrode active material particles each include a center part and a covering…",
  "path": "/patents/1297021",
  "publishedAt": "2021-08-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/604",
    "MURATA MANUFACTURING CO., LTD."
  ],
  "textContent": "A lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes first negative electrode active material particles. The first negative electrode active material particles each include a center part and a covering part. The center part includes a silicon-containing material. The covering part is provided on a surface of the center part and includes a first compound and a second compound. The first compound includes at least one of polyacrylate or polyacrylamide. The second compound includes at least one of polyvinyl alcohol or polyvinyl acetal.",
  "title": "NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY"
}