{
  "$type": "site.standard.document",
  "description": "A nickel metal hydride storage battery having an excellent charging efficiency at high temperatures is provided by using a positive electrode comprising nickel hydroxide particles and at least one rare earth compound obtainable by treating a rare earth oxide with an aqueous alkaline solution and an…",
  "path": "/patents/1109517",
  "publishedAt": "2001-10-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/52",
    "MATSUSHITA ELECTRIC INDUSTRIAL CO LTD [JP]"
  ],
  "textContent": "A nickel metal hydride storage battery having an excellent charging efficiency at high temperatures is provided by using a positive electrode comprising nickel hydroxide particles and at least one rare earth compound obtainable by treating a rare earth oxide with an aqueous alkaline solution and an oxidizing agent. Preferably, the rare earth compound is yttrium, lutetium or ytterbium.",
  "title": "Nickel positive electrode active material and nickel metal hybride storage battery"
}