{
  "$type": "site.standard.document",
  "description": "The present invention provides a mercury-free alkaline dry battery which is improved in discharge characteristic at low cost. The mercury-free alkaline dry battery includes: a positive electrode; a negative electrode; and a separator, wherein a negative electrode active material contains short…",
  "path": "/patents/1012902",
  "publishedAt": "2011-05-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/06",
    "PANASONIC CORP [JP]"
  ],
  "textContent": "The present invention provides a mercury-free alkaline dry battery which is improved in discharge characteristic at low cost. The mercury-free alkaline dry battery includes: a positive electrode; a negative electrode; and a separator, wherein a negative electrode active material contains short fibrous zinc particles, and each of the short fibrous zinc particles has a length of 1 mm to 50 mm, both inclusive, a major diameter of 2 µm to 1 mm, both inclusive, and a specific surface area of 50 cm 2 /g to 1000 cm 2 /g, both inclusive.",
  "title": "MERCURY-FREE ALKALINE DRY BATTERY"
}