http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113437288-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-028 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-021 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-77 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-72 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G53-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-505 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-0525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-628 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G53-44 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-505 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G53-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-0525 |
| filingDate | 2021-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113437288-B |
| titleOfInvention | Positive electrode active material, preparation method thereof and lithium ion battery |
| abstract | The application provides a positive active material, a preparation method thereof and a lithium ion battery, wherein the chemical general formula of the positive active material is Li a Y b Ni x Co y M 1‑x‑y O 2 Wherein a is more than or equal to 0.95 and less than or equal to 1.08, and b is more than or equal to 0<0.2，0.4≤x<0.95，0≤y<0.6; m is selected from at least one of Mn, Al, Cu, Zn and Cr; y is at least one selected from Na, K, Rb, Cs and Fr; the doping amount of the Y ions in the lithium layer of the positive electrode active material is 80% or more of the total doping amount of the Y ions. The positive active material, the preparation method thereof and the lithium ion battery can realize directional doping of alkali metal ions and improve the doping amount of the alkali metal ions in a lithium layer, so that the structural stability of the positive active material is effectively improved, and the cycle performance of the material is further improved. |
| priorityDate | 2021-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 150.