http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103107332-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B25-45 |
| filingDate | 2013-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2015-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103107332-B |
| titleOfInvention | A kind of lithium iron phosphate positive material and preparation method thereof |
| abstract | The present invention relates to a kind of lithium iron phosphate positive material of low temperature performance excellent, comprise lithium iron phosphate particles and be coated on the ferrous pyrophosphate lithium on its surface.Its preparation method is: in dispersant by Li source compound, Fe source compound, P source compound and containing the compound of doped metallic elements M according to Li:Fe:P:M=X:1:1:Y(1.02≤X≤1.10,0≤Y≤0.05) molar ratio fully mix, grinding, dry after obtain a dry material A; A is heat-treated and obtains a burning material B; B and lithium source, source of iron and P source compound are joined in dispersant, grinding, dry rear acquisition two dry material C; C is heat-treated, generates the lithium iron phosphate particles that Surface coating has ferrous pyrophosphate lithium.Carbon-coating can be generated further to improve electronic conductivity.The present invention effectively can improve cryogenic property and the high rate performance of lithium iron phosphate positive material. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3754766-A4 |
| priorityDate | 2013-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 69.