http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113707876-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-021 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-028 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-51 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-61 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-0525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G51-42 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G51-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-0525 |
| filingDate | 2021-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113707876-B |
| titleOfInvention | Multiplying power type lithium cobaltate cathode material, preparation method thereof and lithium ion battery |
| abstract | The invention belongs to the field of batteries, and particularly relates to a rate lithium cobaltate positive electrode material which comprises a surface layer and an inner layer of lithium cobaltate, wherein the molecular formula of the material is LixCo (1-y) MyO (2-z) Az, x is more than or equal to 0.90 and less than or equal to 1.10, y is more than or equal to 0.001 and less than or equal to 0.020, and z is more than or equal to 0 and less than or equal to 0.02; the grain size of the lithium cobaltate in the inner layer is 440-540 nm; the grain size of the lithium cobaltate on the surface layer is 560-720 nm; lithium cobaltate on the surface layer accounts for 5-50% of the total weight of the positive electrode material; m is at least one of Al, Y, Mg, La, Nb, Zr, Ti, B, P and Se, and the element A is at least one of S, F, N. The material has excellent capacity retention rate under the condition of high temperature and high voltage after being applied to the lithium ion battery, and meanwhile, the invention also discloses a preparation method of the material and the lithium ion battery. |
| priorityDate | 2021-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 74.