http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102881889-B

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assignee http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8b2e4f17c10a288dc28521ed1e17a0d3
classificationCPCAdditional http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10
classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-505
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01G9-042
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-525
filingDate 2012-10-15-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate 2015-01-14-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6e1119b10a15ea675b666dfe40049e1c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d9931959736ab720023cc2892f86eb2c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ff35dd07a847da7e81ab8c73e29fe366
publicationDate 2015-01-14-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber CN-102881889-B
titleOfInvention Method for preparing lithium-enriched solid solution cathode material by two-section direct temperature-rise sintering
abstract The invention relates to a method for preparing a lithium-enriched solid solution cathode material by a two-section direct temperature-rise sintering method, which is characterized in that a preparation process comprises the following steps of: respectively weighing a lithium compound, a nickel compound, a manganese compound, a cobalt compound and an oxidant according to the mol ratio of a lithium ion to a nickel ion to a manganese ion to a cobalt ion to a reducing agent of (1+x): (1-x)*y: (x+z-x*z): (1-x)*k: q; mixing the oxidant with a wet milling medium; then mixing the lithium compound, the nickel compound, the manganese compound and the cobalt compound, which are weighed; after wet milling and mixing, adding aqueous ammonia and the lithium compound; then carrying out wet milling and mixing again; ageing and utilizing a heating and drying method to prepare a dry precursor 2; placing the precursor 2 into air, oxygen-enriched gas or pure oxygen atmosphere; and utilizing the two-section direct temperature-rise sintering method to prepare the lithium-enriched solid solution cathode material. An electrode material prepared by the method disclosed by the invention is uniformly formed and has a very good discharging performance; and particularly, the electrode material has the excellent circulating discharging performance under a large-current condition.
priorityDate 2012-10-15-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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