{
  "$type": "site.standard.document",
  "description": "Provided is a method for preparing a cobalt-free layered cathode material by Li/H exchange, including adding a metal sulfate solution, a precipitant solution, and a complexing agent solution dropwise into an aqueous ammonia solution to obtain a mixed solution, and subjecting the mixed solution to…",
  "path": "/patents/1376744",
  "publishedAt": "2025-09-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/525",
    "NINGXIA UNIVERSITY"
  ],
  "textContent": "Provided is a method for preparing a cobalt-free layered cathode material by Li/H exchange, including adding a metal sulfate solution, a precipitant solution, and a complexing agent solution dropwise into an aqueous ammonia solution to obtain a mixed solution, and subjecting the mixed solution to precipitation complexation to obtain a hydroxide precursor; and mixing the hydroxide precursor with a lithium source to obtain a mixture, and subjecting the mixture to pre-sintering and crystallization in sequence to obtain the cobalt-free layered cathode material, a temperature for the pre-sintering being less than a temperature for the crystallization, where metal sulfates include at least two selected from the group consisting of non-cobalt transition metal sulfates.",
  "title": "MTHOD FOR PREPARING COBALT-FREE LAYERED CATHODE MATERIAL BY LI+/H+ EXCHANGE"
}