Standard No.:	YS/T 792-2012
English Name:	Carbon-carbon composites crucible used in single crystal furnace
Chinese Name:	单晶炉用碳/碳复合材料坩埚
Chinese Classification:	H83    Compound semiconductor material
Professional Classification:	YS    Professional Standard - Non-ferrous Metal
ICS Classification:	29.045 29.045    Semiconducting materials 29.045
Issued by:	Ministry of Industry and Information Technology
Issued on:	2012-11-7
Implemented on:	2013-3-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	180.0
Delivery:	via email in 1 business day

Lithium nickel cobalt manganese oxide 1 Scope This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (or order form) contents of lithium nickel cobalt manganese oxide. This standard is applicable to lithium nickel cobalt manganese oxide, a positive active material for lithium ion batteries. 2 Normative references The 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 1717 Determination of pH value of an aqueous suspension of pigments GB/T 5162 Metallic powders—Determination of tap density GB/T 5314 Powders for powder metallurgical purposes—Sampling GB/T 6283 Chemical products—Determination of water Karl·Fischer method (general method) GB/T 19077.1 Particle size analysis—Laser diffraction method—Part 1: General principles GB/T 19587 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 20252-2006 Lithium cobalt oxide GB/T 23365 Electrochemical performance test of lithium cobalt oxide—Test method for specific capacity and charge-discharge efficiency of the first cycle GB/T 23366 Electrochemical performance test of lithium cobalt oxide—Test method for discharge plateau capacity ratio and cycle life JCPDS(09-0063) Standard pattern of lithium nickel oxide X-ray powder diffraction 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 20252-2006 apply. 4 Requirements 4.1 Chemical composition 4.1.1 The chemical composition of the product shall meet the requirements of Table 1.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation, storage and quality certificate 8 Contract (or order form) contents