http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110541075-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02W30-84 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P10-20 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B23-0461 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B23-043 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B26-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B7-007 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B7-006 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-54 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B26-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B7-00 |
| filingDate | 2019-09-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110541075-B |
| titleOfInvention | Method for recycling lithium cobaltate positive electrode material |
| abstract | The invention discloses a method for recycling a lithium cobaltate positive electrode material, belongs to the field of waste battery recycling, and solves the problems of high material consumption and low recycling rate of the existing recycling method. The method comprises the following steps: high-acid primary leaching, low-acid secondary leaching, cobalt precipitation by oxalic acid, washing of the cobalt oxalate, high-temperature calcination and lithium precipitation. The invention improves the wet recovery process, innovates the low acid leaching step, greatly improves the utilization rate of sulfuric acid in acid leaching, reduces the acid concentration in the post-leaching solution to 4g/L or below, reduces the dosage of sodium hydroxide during the basic cobalt leaching, reduces the content of sodium sulfate in the post-leaching solution, and leads the whole process to have breakthrough optimization. |
| priorityDate | 2019-09-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 78.