{
  "$type": "site.standard.document",
  "description": "An electrochemical apparatus includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The separator is disposed between the positive electrode plate and the negative electrode plate, the separator includes a porous substrate, and the porous substrate…",
  "path": "/patents/1380563",
  "publishedAt": "2026-04-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/426",
    "NINGDE AMPEREX TECHNOLOGY LIMITED"
  ],
  "textContent": "An electrochemical apparatus includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The separator is disposed between the positive electrode plate and the negative electrode plate, the separator includes a porous substrate, and the porous substrate includes a first polyethylene resin material and a second polyethylene resin material; where a melting enthalpy of the first polyethylene resin material is 110 J/g to 160 J/g, a melting enthalpy of the second polyethylene resin material is 170 J/g to 205 J/g, and a shutdown rate of the separator is 10 kΩ/min to 80 kΩ/min; based on the mass of the porous substrate, a mass percentage of the first polyethylene resin material is 10% to 40%, and a mass percentage of the second polyethylene resin material is 45% to 88%.",
  "title": "ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS"
}