{
"$type": "site.standard.document",
"description": "The present invention provides a method for preparing a cathode active material precursor, a cathode active material precursor prepared by the preparation method, and a cathode for a secondary battery and a lithium secondary battery, which comprise same, the method comprising: a first step of…",
"path": "/patents/1415362",
"publishedAt": "2024-03-27T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"C01G53/04",
"LG CHEMICAL LTD [KR]"
],
"textContent": "The present invention provides a method for preparing a cathode active material precursor, a cathode active material precursor prepared by the preparation method, and a cathode for a secondary battery and a lithium secondary battery, which comprise same, the method comprising: a first step of injecting, into a reactor, a metal additive comprising at least one element selected from the group consisting of group 5 elements and group 6 elements; and a second step of injecting, into the reactor, a transition metal aqueous solution containing a nickel raw material, a cobalt raw material and a manganese raw material, a solution containing ammonium ions, and a basic aqueous solution, and performing a coprecipitation reaction, thereby preparing a cathode active material precursor having an average diameter (D50) of 3-5 µm.",
"title": "METHOD FOR PREPARING CATHODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY, AND CATHODE ACTIVE MATERIAL PRECURSOR PREPARED BY PREPARATION METHOD"
}