Standard No.:	GB/T 24533-2019
English Name:	Graphite negative electrode materials for lighium ion battery
Chinese Name:	锂离子电池石墨类负极材料
Chinese Classification:	Q51    Graphite material
Professional Classification:	GB    National Standard
Issued by:	SAMR and SAC
Issued on:	2019-03-25
Implemented on:	2020-2-1
Status:	valid
Superseding:	GB/T 24533-2009 Graphite negative electrode materials for lithium ion battery
Language:	English
File Format:	PDF
Word Count:	22500 words
Price(USD):	400.0
Delivery:	via email in 1 business day

1 Scope This standard specifies terms and definitions, classification and code, technical requirements, test methods, inspection rules, etc. of graphite negative electrode materials for lithium ion battery. This standard is applicable to graphite negative electrode materials with lithium ion battery as the negative electrode. 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 191 Packaging - Pictorial marking for handling of goods GB/T 1427 Sample method of carbon material GB/T 3120 Nickel wires GB/T 3521 Method for chemical analysis of graphite GB/T 3782 Acetylene black GB/T 4369 Lithium GB/T 5187 Foil of copper and copper alloy GB/T 6388 Transport package shipping mark GB/T 6682 Water for analytical laboratory use - Specification and test methods GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 9724 Chemical reagent - General rule for the determination of pH GB/T 19587 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers) EPA 8260C: 2006 Volatile organic compounds by gas chromatography/mass spectrometry (GC/MS) EPA 5021: 1996 Volatile organic compounds in soils and other solid matrices using equilibrium headspace analysis 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 graphite negative electrode materials for lithium ion battery graphite carbon material with crystalline layered structure, which cooperates with positive electrode material in a certain system to realize multiple charging and discharging of lithium ion battery, graphite negative electrode accepting lithium ion insertion in the charging process while lithium ion leaving the graphite negative electrode in the discharging process Note: The theoretical capacity of graphite negative electrode material is 372 (mA·h)/g, and the color is gray black or steel gray with metallic luster. 4 Classification and code 4.1 Product classification

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and code 5 Technical requirements 6 Test methods 7 Inspection rules 8 Packaging and marking 9 Storage and transport Annex A (Normative) Method for measuring particle size distribution Annex B (Normative) Method for determining moisture content Annex C (Normative) Method for determining pH value Annex D (Normative) Method for determining true density Annex E (Normative) Method for determining of interplanar spacing d002 Annex F (Normative) Method for determining orientation of graphite Annex G (Normative) Method for determining initial Coulombic efficiency and first discharge specific capacity Annex H (Normative) Method for determining trace metal elements Annex I (Normative) Method for determining anions Annex J (Normative) Method for determining sulfur content Annex K (Normative) Method for determining magnetic substances Annex L (Normative) Method for determining powder compaction density Annex M (Normative) Method for determining tap density

*GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods
*GB/T 1427-2016 Sampling method for carbon material
*GB/T 3120-1982 Nickel wires
*GB/T 3521-2008 Method for chemical analysis of graphite
*GB/T 3782-2016 Acetylene black
*GB/T 4369-2015 Lithium
*GB/T 5187-2008 Foil of copper and copper alloy
*GBT6388-
*GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods
*GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
*GB/T 9724-2007 Chemical reagent—General rule for the determination of pH
*GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method
*GB/T 26125-2011 Electrical and electronic products—Determination of six regulated substances(lead,mercury,cadmium,hexavalent chromium,polybrominated biphenyls,polybrominated diphenyl ethers)
*EPA8260C:-
*EPA5021:-