http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103168381-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-021 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P70-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-505 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-366 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-131 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-525 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-0525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-131 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-505 |
| filingDate | 2011-07-22-04:00^^<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-103168381-B |
| titleOfInvention | Manufacture the method for the active material of positive electrode being used for lithium secondary battery, the active material of positive electrode for lithium secondary battery manufactured by the method and the lithium secondary battery using this material |
| abstract | The invention provides the method for a kind of manufacture for the active material of positive electrode of lithium secondary battery, the method comprise the following steps: a) simultaneously in the reactor mixing comprise nickel, cobalt, manganese and also have the first aqueous metal salt of transition metal alternatively, complexing agent and the basic aqueous solution, it is mixed with lithium raw material and roasting, thus manufacture the core comprising the compound of chemical formula 1 below: chemical formula 1Lin x1 [Nin 1-y1-z1-w1 con y1 mnn z1 mn w1 ] On 2 (wherein, 0.9≤xn 1 ≤ 1.3,0.1≤yn 1 ≤ 0.3,0.0≤zn 1 ≤ 0.3,0≤wn 1 ≤ 0.1, and M is selected from least one metal by the group that Mg, Zn, Ca, Sr, Cu, Zr, P, Fe, Al, Ga, In, Cr, Ge and Sn are formed); B) simultaneously mixing comprises nickel, cobalt, manganese and also have the second aqueous metal salt of transition metal alternatively in the reactor, complexing agent and the basic aqueous solution, it is mixed with lithium raw material and roasting, and be ground to nanoparticle size, thus the compound manufactured for the formation of exterior section, it comprises the compound of chemical formula 2 below: chemical formula 2Lin x2 [Nin 1-y2-z2-w2 con y2 mnn z2 mn w2 ] On 2 (wherein, 0.9≤xn 2 ≤ 1+zn 2 , 0≤yn 2 ≤ 0.33,0≤zn 2 ≤ 0.5,0≤wn 2 ≤ 0.1, and M is selected from least one metal by the group that Mg, Zn, Ca, Sr, Cu, Zr, P, Fe, Al, Ga, In, Cr, Ge and Sn are formed); C) mix the core manufactured by step a) and the compound for the formation of exterior section manufactured by step b), thus form exterior section on center portion surface; And the compound that d) heat treatment is obtained by step c) at 500-800 DEG C, thus form double-decker, wherein, from the contact interface of core and exterior section to the surface portion of exterior section, lithium exists with continuous concentration gradient; Present invention also offers a kind of active material of positive electrode for lithium secondary battery manufactured by the method. |
| priorityDate | 2010-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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