{
  "$type": "site.standard.document",
  "description": "A vehicle battery system having a multi battery system according to an exemplary embodiment of the present invention includes: a first battery pack connected in parallel with the alternator and including a plurality of first battery cells connected in series; and a second battery pack connected…",
  "path": "/patents/968326",
  "publishedAt": "2014-10-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L50/16",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "A vehicle battery system having a multi battery system according to an exemplary embodiment of the present invention includes: a first battery pack connected in parallel with the alternator and including a plurality of first battery cells connected in series; and a second battery pack connected with the alternator and the first battery pack in parallel and having a capacity that is greater than that of the first battery pack, and a negative electrode of the first battery cell includes a negative electrode active material and the negative electrode active material includes a carbon-based material of which interlayer spacing (d) of a (002) plane is 0.34 nm to 0.50 nm in X-ray diffraction measurement using the Cu-Kα line.",
  "title": "Dual battery pack and operating method thereof"
}