{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "An electrode for a secondary battery includes a substrate and an active material layer. The active material layer is placed on a surface of the substrate. In a surface of the active material layer, one or more grooves are formed. The groove extends linearly in a direction perpendicular to a…",
  "path": "/patents/1364930",
  "publishedAt": "2024-06-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/13",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "An electrode for a secondary battery includes a substrate and an active material layer. The active material layer is placed on a surface of the substrate. In a surface of the active material layer, one or more grooves are formed. The groove extends linearly in a direction perpendicular to a thickness direction of the active material layer. The groove has an open portion on a periphery of the active material layer. The open portion opens in the direction perpendicular to the thickness direction. The groove includes a first region and a second region. The second region is interposed between the open portion and the first region. In a cross section perpendicular to a direction in which the groove extends, the first region has a first cross-sectional area, and the second region has a second cross-sectional area. The second cross-sectional area is smaller than the first cross-sectional area.",
  "title": "ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY"
}