| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b27deaf45890893586c2ed77ac13dc32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_09390afa8574f91cd6338293440e2cb1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_86580648500f3ff10249de885d7f45c3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e1209121735080f517dab9935b194df3 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-027
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-0525 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-5825
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G31-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-485 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-0525 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G31-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-485
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-48
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-58 |
| filingDate |
2002-02-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5891c0feff3d87d29592ece25f40c6fe
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bc1f48f6723ce37c2d9a4d176d320d70
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7d398758362e73639af2bda6dd1d8eb3 |
| publicationDate |
2002-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-02071514-A1 |
| titleOfInvention |
Negative electrode material for lithium secondary cell and its manufacturing method |
| abstract |
A negative electrode material made of a lithium-vanadium composite oxide having a composition of a Li/V molar ratio meeting the condition 2 > Line / V molar ratio > 1.05. The material is produced by mixing a lithium supply source and a vanadium supply source at least one of which is a compound containing oxygen at a Li/V molar ratio meeting the condition 2.5 > Li/V molar ratio > 1.1 and firing the mixture in a non-oxidizing atmosphere at 650 °C or above. The material contains a crystal having lattice constants a and c given indices in a hexagonal crystal system the ratio c/a between which is c/a ≤ 5.17. The material has a heat absorption peak in a temperature range of 120 to 140 °C during DSC heating. The negative electrode material leads to a good discharge capacity and a good charging/discharging efficiency, having a very low discharge potential with respect to Li, and contributes to a very high discharge voltage of a cell when this material is used for a negative electrode in the cell. |
| priorityDate |
2001-03-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |