{
"$type": "site.standard.document",
"description": "This application discloses a secondary battery and an apparatus containing the secondary batteries. The secondary battery includes a positive electrode plate and a negative electrode plate, the positive electrode plate comprising a positive electrode current collector and a positive electrode film…",
"path": "/patents/1313825",
"publishedAt": "2022-03-24T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"H01M4/587",
"Contemporary Amperex Technology Co., Limited"
],
"textContent": "This application discloses a secondary battery and an apparatus containing the secondary batteries. The secondary battery includes a positive electrode plate and a negative electrode plate, the positive electrode plate comprising a positive electrode current collector and a positive electrode film comprising a positive active material; the negative electrode plate comprising a negative electrode current collector and a negative electrode film comprising a negative electrode active material, wherein the positive active material comprises one or more of layered lithium transition metal oxides and modified compounds thereof, the negative electrode active material comprises artificial graphite and natural graphite, and the negative electrode plate satisfies 0.02≤I/I≤0.18, alternatively the positive active material comprises one or more of lithium-containing phosphates with olivine structure and modified compounds thereof, the negative electrode active material includes artificial graphite and natural graphite, and the negative electrode plate satisfies 0.04≤I/I≤0.22.",
"title": "SECONDARY BATTERY AND APPARATUS CONTAINED THE SECONDARY BATTERY"
}