{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A wound electrode assembly includes a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer located on a surface of the positive electrode current collector. The…",
  "path": "/patents/1385628",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/70",
    "Ningde Amperex Technology Limited"
  ],
  "textContent": "A wound electrode assembly includes a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer located on a surface of the positive electrode current collector. The negative electrode sheet includes a negative electrode current collector and a negative electrode material layer located on a surface of the negative electrode current collector. The positive electrode current collector is an aluminum foil, a thickness of the positive electrode current collector is Ha μm, a tensile strength of the positive electrode current collector is Ta MPa, the negative electrode current collector is a copper foil, a thickness of the negative electrode current collector is Hc μm, a tensile strength of the negative electrode current collector is Tc MPa, and a conductivity of the electrolyte is S mS/cm, satisfying: 1.6≤Ta×Ha/(Tc×Hc)+0.1S≤3.",
  "title": "ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS"
}