{
  "$type": "site.standard.document",
  "description": "An alkaline primary cell which is improved in reduction of self-discharge and cell capacity under storage at a high temperature, has a prolonged life and makes use of nickel oxyhydroxide is provided inexpensively. beta -Form nickel oxyhydroxide is contained in a positive electrode mixture as an…",
  "path": "/patents/1091180",
  "publishedAt": "2003-12-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/82",
    "FDK CORP [JP]"
  ],
  "textContent": "An alkaline primary cell which is improved in reduction of self-discharge and cell capacity under storage at a high temperature, has a prolonged life and makes use of nickel oxyhydroxide is provided inexpensively. beta -Form nickel oxyhydroxide is contained in a positive electrode mixture as an active material, which contains cobalt and zinc as a substitutional element for solid solution, and has a total amount X + Y of molar ratios of cobalt atom X and zinc atom Y such that 2 ≤ X + Y ≤ 16, with a mixing ratio satisfying the relationship of Y ≤ 3/2x X + 1/2 and Y ≥ 2/3 x X - 1/3, and where a diffraction peak obtained as a result of measurement of X-ray powder diffraction of nickel oxyhydroxide appears only in the vicinity of 18.5 DEG within a range of 2&thetas; = 10 DEG - 30 DEG . This positive electrode mixture is formed as a molding (2) of a hollow cylinder and inserted into a positive electrode can (4), and a negative electrode active material (8) is placed at the central portion thereof with a separator put between it and the molding, to constitute an inside out type cell.",
  "title": "ALKALINE PRIMARY BATTERY"
}