http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100674015-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M2004-028 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-84 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-88 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-52 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-485 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G53-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-366 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G51-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G51-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G53-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-1391 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G45-1228 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-0525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-525 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G51-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-0525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-525 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-05 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-1391 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-505 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G53-00 |
| filingDate | 2001-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2007-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2007-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-100674015-B1 |
| titleOfInvention | A cathode active material of a lithium secondary battery having excellent lifespan characteristics, a method of manufacturing the same, and a lithium secondary battery including the same |
| abstract | BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positive electrode active material of a lithium secondary battery and a method of manufacturing the same, and more particularly, to a positive electrode active material capable of improving high temperature storage characteristics, lifespan characteristics, and battery safety, and a method of manufacturing the same.n n n The present invention for this purpose in the positive electrode active material of a lithium secondary battery, a) a lithium metal composite oxide represented by the formula (1); And b) a glass coating layer, which is an amorphous oxide represented by Chemical Formula 2, coated on a) a lithium metal composite oxide.n n n [Formula 1]n n n LiA 1-x B x O 2 n n n In Formula 1, A is Co or Ni, B is one or more selected from the group consisting of Al, B, Ni, Co, Ti, Sn, Mn, and Zr, x is a real number of 0 to 0.5 Is,n n n [Formula 2]n n n C s O t y D z O w n n n In Formula 2, C is Na, K, Mg, Ba, Sr, Y, Sn, Ga, In, Th, Pb, Li, Zn, Ca, Cd, Rb, Sc, Ti, Zn, Al, Be, and At least one selected from the group consisting of Zr, D is at least one selected from the group consisting of Al, B, Si, Ge, P, V, As, Sb, Zr, Nb, Ti, Zn, Zr, and Pb; , y is a real number of 0.5 to 3, and s, t, z, and w are variables depending on the valence of C and D, respectively.n n n In addition, the present invention provides a method for producing a positive electrode active material of a lithium secondary battery, a) preparing a core particle which is a lithium metal composite oxide represented by the formula (1); b) providing a mixture of coating layer raw materials forming an oxide glass phase represented by Formula 2; c) coating the mixture of the coating layer raw material of step b) on the lithium metal composite oxide of step a); And d) calcining the coated lithium metal composite oxide of step c).n n n In another aspect, the present invention provides a lithium secondary battery comprising the positive electrode active material.n n n The present invention is to form a coating layer consisting of oxide glass on the surface of the positive electrode active material to improve the structural stability and electrochemical properties of the positive electrode active material that can improve the life characteristics, safety, and high temperature storage characteristics of the lithium secondary battery and its manufacture Has the effect of providing a method.n n n n Lithium, secondary battery, positive electrode, active material, coating, oxide, glass phase, amorphous |
| priorityDate | 2001-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 62.