{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A positive electrode for a lithium ion secondary battery, including a positive electrode current collector; and a positive electrode mixture layer that is provided on at least one side of the positive electrode current collector, the positive electrode mixture layer including a positive electrode…",
  "path": "/patents/1427860",
  "publishedAt": "2024-05-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "MITSUI CHEMICALS INC [JP]"
  ],
  "textContent": "A positive electrode for a lithium ion secondary battery, including a positive electrode current collector; and a positive electrode mixture layer that is provided on at least one side of the positive electrode current collector, the positive electrode mixture layer including a positive electrode active material layer, and an undercoat layer formed between the positive electrode current collector and the positive electrode active material layer, the undercoat layer containing a conductive auxiliary, a binder, and a thermally expandable microcapsule having a maximum volume expansion temperature of from 70°C to 180°C.",
  "title": "POSITIVE ELECTRODE EQUIPPED WITH UNDERCOAT LAYER CONTAINING MICROCAPSULES, AND LITHIUM-ION SECONDARY BATTERY"
}