| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4b1a5b3973a61df7b8889aee9178e309 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-03
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-11
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-61 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G51-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G51-04 |
| filingDate |
2019-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b9b1b8a1eb4d81222034c5278c38c9eb
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ddd4a47faa455a14f45df6e0e50f315d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7a5a4a554f057b9e2e01506a19198014
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_96dac976e4bc505a7c755c87bb50b8dd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eb32d5f4a660b1e17fa5b60b8b937197
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e9733b7f3140999df35287d22a5e041b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0a660221ae408ac4e2dcf40d3d30059e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7fd7d070f2f10b46c8342c6eeae2708b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3c10ae4b799d953c77054bdf11e1b537 |
| publicationDate |
2021-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-113003613-A |
| titleOfInvention |
A kind of preparation method of 2-4μm battery grade cobalt tetroxide |
| abstract |
The invention discloses a preparation method of 2-4 μm battery-grade cobalt tetroxide. The method comprises the following steps: 1) adding cobalt salt solution and liquid caustic soda into a reactor containing bottom liquid and passing air in parallel, and The pH value of the system is controlled by adjusting the flow rate of the liquid caustic soda and the co-precipitation reaction is carried out at a certain stirring rate. After the reaction liquid starts to overflow, the pH value of the reaction system is decreased by 0.1 and the flow rate of the cobalt salt is increased by 20L/h every hour. Until the pH value of the reaction system drops to 9.5 and the cobalt salt flow rate increases to 340L/h, the particle size is continuously monitored to obtain cobalt oxyhydroxide slurry; 2) the cobalt oxyhydroxide slurry is sequentially aged and dried to obtain the dried cobalt oxyhydroxide slurry. cobalt oxyhydroxide; 3) calcining the dried cobalt oxyhydroxide to obtain battery grade cobalt tetraoxide. By adopting the method of the present invention, the tap density of the obtained battery-grade cobalt tetroxide will be much higher than the tap density of the cobalt tetroxide with the same particle size and specification obtained in the prior art. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113735185-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113896249-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113800572-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113800572-A |
| priorityDate |
2019-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |