{
  "$type": "site.standard.document",
  "description": "A negative electrode includes a current collector and a negative electrode active material layer that is provided on the current collector and includes a negative electrode active material. The negative electrode active material includes a carbon material, and a surface of the negative electrode…",
  "path": "/patents/1296485",
  "publishedAt": "2021-07-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/587",
    "TDK CORPORATION"
  ],
  "textContent": "A negative electrode includes a current collector and a negative electrode active material layer that is provided on the current collector and includes a negative electrode active material. The negative electrode active material includes a carbon material, and a surface of the negative electrode active material layer has a spectral reflectance Ra in a range of 7.0≤Ra≤10.8% at a wavelength of 550 nm.",
  "title": "NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER WITH CONTROLLED REFLECTANCE AND LITHIUM ION SECONDARY BATTERY"
}