镍钴铝三元素复合氧化物.docx

ICS 77.160H 71YSNonferrous Metals Industry Standard of the People,s Republic ofChinaYST XXX20XXNickel, cobalt and aluminum composite oxide银钻铝三元素复合氧化物Issue date:XXX-XXX-XXImplementation date:XX-XX-XXIssued by: Ministry of Industry and Information Technology of the PeopletSRepublic of ChinaForewordThis document was redrafted according to the requirements of GB/T 1.1 -2020.Please be aware that certain content of this document may be in relation to patent. The issuing organizations of this document are not responsible for the identification of patents.This document is proposed and under the jurisdiction of National Technical Committee 243 on Nonferrous Metals of Standardization Administration of China.This document is drafted by the following organizations:This document is mainly drafted by the following people:Nickel, cobalt and aluminum composite oxide1 ScopeThis document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, certificate of quality and contract/order content of nickel cobalt and aluminum composite oxide.This document is applicable to nickel cobalt and aluminum composite oxide.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.GB/T 1479.1 Metallic powdersDetermination of apparent densityPart 1 ： Funnal methodGB/T 5162 Metallic powders-Determination of tap densityGB/T 5314 Powders for powder metallurgical purposes-SamplingGB/T 6284 Chemical products for industrial useGeneral method for determination of water contentThe loss of mass on drying methodGB/T 19077 Particle size analysis Laser diffraction methodsGB/T 19587 Determination of the specific surface area of solids by gas adsorption using the BET methodGB/T 20252 Lithium cobalt oxideGB/T 24533 Graphite negative electrode materials for lithium ion battery3 Terms and definitionsFor the purposes of this document, the terms and definitions given in GB/T 20252-2014 apply.4 Requirements4.1 Chemical compositionThe chemical composition of the product shall meet the requirements of Table 1.Table 1 Chemical compositionChemical compositionContent (mass ratio)/%Main elementsNi60.078.0Co0.5-13.0Al0.3-2.0ImpuritiesCu<0.005Fe0.005Zn0.005Ca0.010Mg0.005Na<0.020Mn0.001S<0.100c0.0034.2 MoistureThe moisture content of the product shall not be more than 0.6%.4.3 Magnetic ImpuritiesThe magnetic impurities content of the product shall not be more than 0.00001%.4.4 Physical properties4.4.1 Apparent density of powdersThe apparent density of powders of the product shall not be less than 0.7gcm3.4.4.2 Tap densityThe tap density of the product shall not be less than 1.0gcm3.4.4.3 Particle size distributionThe particle size distribution of the product is normally distributed, and the required range of characteristic values is as follows:Do shall not be less than 0.5m; Dso shall be in the range of 2.0m22.0m; D90 shall not be more than 48.0m.4.4.4 Specific surface areaThe specific surface area of the product shall not be more than 45m2g.4.4.5 MicromorphologyThe microscopic appearance of the product shall be spherical or quasi-spherical.4.5 AppearanceThe color of the product shall be uniform, free of lumps and sundries.4.6 Other requirementsThe purchaser may negotiate with the supplier if he/she has special requirements.5 Test methods5.1 Chemical compositionThe test on the chemical composition is carried out according to the methods agreed byboth suppliers and buyers.5.2 MoistureThe determination of the moisture content is carried out according to GB/T 6284.5.3 Magnetic impuritiesThe determination of the magnetic impurities content of the product is carried out according to the provisions in Annex K of GB/T 24533-2019.5.4 Physical properties5.4.1 Apparent density of powdersThe determination of apparent density of powders of the product is carried out according to GB/T 1479.1.5.4.2 Tap densityThe determination of the tap density of the product is carried out according to GB/T 5162.5.4.3 Particle size distributionThe determination of the size distribution of the product is carried out according to GB/T 19077.5.4.4 Specific surface areaThe measurement of the specific surface area of the product is carried out according to GB/T 19587.5.4.5 MicromorphologyThe micromorphology of the product was determined by scanning electron microscope5.5 AppearanceVisual inspection of the product appearance.6 Inspection rules6.1 Inspection and acceptance6.1.1 The supplier shall check the product and fill in the quality certificate to insure that the quality of the product is i