{
"$type": "site.standard.document",
"description": "Provided is carbonaceous substance-coated graphite particles that exhibit excellent battery properties when used as a negative electrode material for a lithium ion secondary battery. The carbonaceous substance-coated graphite particles includes: graphite particles; and carbonaceous coatingsā¦",
"path": "/patents/1397772",
"publishedAt": "2024-12-04T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"C01B32/05",
"JFE STEEL CORP [JP]"
],
"textContent": "Provided is carbonaceous substance-coated graphite particles that exhibit excellent battery properties when used as a negative electrode material for a lithium ion secondary battery. The carbonaceous substance-coated graphite particles includes: graphite particles; and carbonaceous coatings covering at least part of surfaces of the graphite particles, and the carbonaceous substance-coated graphite particles have a specific surface area S determined by BET method of 4.0 to 15.0 m/g, and a pore volume V of pores with a pore size of 7.8 to 36.0 nm is 0.001 to 0.026 cm/g, and in a pore size distribution graph with the pore size being plotted on a horizontal axis and a dV/dP value obtained by differentiating the pore volume with the pore size being plotted on a vertical axis, a pore size P with which the dV/dP value is maximized is 2.5 to 5.5 nm.",
"title": "CARBON-COATED GRAPHITE PARTICLES, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY"
}