{
"$type": "site.standard.document",
"description": "Inorganic-based lithium mixed electrode materials have a low charge transfer rate and thus have poor fast charging or discharging characteristics. Positive electrode active materials include LCO (lithium cobalt oxide, LiCoO), NCM (nickel cobalt manganese, Li(NiCoMn)O), NCA(nickel cobalt aluminum…",
"path": "/patents/1328934",
"publishedAt": "2022-10-06T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"H01M4/604",
"Jae Kwang Kim"
],
"textContent": "Inorganic-based lithium mixed electrode materials have a low charge transfer rate and thus have poor fast charging or discharging characteristics. Positive electrode active materials include LCO (lithium cobalt oxide, LiCoO), NCM (nickel cobalt manganese, Li(NiCoMn)O), NCA(nickel cobalt aluminum, Li(NiCoAl)O), LMO(lithium manganese oxide, LiMnO), LFP(Lithium iron phosphate, LiFePO), etc. High nickel technology is attracting attention because if nickel is used a lot, the capacity of lithium ions can be increased. However, as the content of nickel increases, the reactivity increases, resulting in a risk of explosion of the battery and deterioration in cycle life characteristics. As the negative active material, carbon, transition metal oxide, nickel metal, silicon-nickel alloy, and the like may be used. As the carbon, natural graphite, artificial graphite, soft carbon, hard carbon, etc. can be used. As the transition metal oxide, CO, CoO, FeO, NiO, and the like can be used. The present invention adds a polymer additive containing free radicals in the molecular structure to the electrode to solve the problems of the existing secondary battery. The polymer additive contains free radicals and undergoes an oxidation-reduction reaction through ionic interactions. When this polymer additive is included in the electrode, the fast charging and fast discharging characteristics are improved, and the stability of the electrode is improved. When the stability of the electrode is improved, the cycle life characteristics of the electrode are improved. Because the polymer additive participates in the electrochemical reaction, it increases the practical capacity of nickel. When dissolved in a solvent, the polymer additive can increase the viscosity and act as a binder.",
"title": "Secondary Battery Containing an Organic Polymer Electrode Additive Capable of Oxidation-Reduction Reaction"
}