{
  "$type": "site.standard.document",
  "description": "A non-aqueous electrolytic solution energy storage device according to one aspect of the present invention includes: an electrode body including a positive electrode and a negative electrode; a non-aqueous electrolytic solution; and a container accommodating therein the electrode body and the…",
  "path": "/patents/1416926",
  "publishedAt": "2026-06-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01G11/26",
    "GS YUASA INT LTD [JP]"
  ],
  "textContent": "A non-aqueous electrolytic solution energy storage device according to one aspect of the present invention includes: an electrode body including a positive electrode and a negative electrode; a non-aqueous electrolytic solution; and a container accommodating therein the electrode body and the non-aqueous electrolytic solution, in which: the positive electrode includes a positive electrode active material layer containing a positive electrode active material; the negative electrode includes a negative electrode active material layer containing a negative electrode active material; the positive electrode active material contains a tungsten element; the negative electrode active material contains graphite; the non-aqueous electrolytic solution contains a first additive having a reductive decomposition potential of 1.5 V (vs. Li/Li+) or more; and a ratio (A1/B) of an amount of substance (A1) of the first additive contained in the non-aqueous electrolytic solution to a surface area (B) of the negative electrode active material layer is 2.0×10-7 mol/m2 or more.",
  "title": "NON-AQUEOUS ELECTROLYTE POWER STORAGE ELEMENT"
}