{
  "$type": "site.standard.document",
  "description": "A negative electrode for a nickel-hydrogen rechargeable battery (2) is a strip-shaped negative electrode (26) forming an electrode group (22) with a positive electrode (24) and a separator (28), the negative electrode (26) being formed of a core body and a negative mixture layer covering both sides…",
  "path": "/patents/995093",
  "publishedAt": "2012-12-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/286",
    "FDK TWICELL CO LTD [JP]"
  ],
  "textContent": "A negative electrode for a nickel-hydrogen rechargeable battery (2) is a strip-shaped negative electrode (26) forming an electrode group (22) with a positive electrode (24) and a separator (28), the negative electrode (26) being formed of a core body and a negative mixture layer covering both sides of the core body and containing a large number of hydrogen-storage alloy particles, including a main section (56), both sides of which face the positive electrode (24) with the separator (28) intervening therebetween as viewed in a rolled state where the negative electrode (26) forms the electrode group (22) with the positive electrode (24) and the separator (28), and an outermost circumferential portion (50) and an innermost circumferential portion (58) that are protruding from ends of the main section (56) in a rolling direction and facing the positive electrode (24) with the separator (28) intervening therebetween only with one side, wherein the hydrogen-storage alloy particles contained in the outermost circumferential portion (50) and the innermost circumferential portion (58) have an average diameter larger than an average diameter of the hydrogen-storage alloy particles contained in the main section (56).",
  "title": "Negative electrode for a nickel-hydrogen rechargeable battery and a nickel-hydrogen rechargeable battery using the same"
}