GB/T 20252-2014 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20252-2014	150	Add to Cart	Auto, < 3 mins	Lithium cobalt oxide	Valid
GB/T 20252-2006	638	Add to Cart	1 days	Lithium cobalt oxide	Obsolete

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Basic data

Standard ID: GB/T 20252-2014 (GB/T20252-2014)
Description (Translated English): Lithium cobalt oxide
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H71
Classification of International Standard: 77.160
Word Count Estimation: 11,118
Date of Issue: 7/24/2014
Date of Implementation: 2/1/2015
Older Standard (superseded by this standard): GB/T 20252-2006
Quoted Standard: GB/T 1717; GB/T 5162; GB/T 5314; GB/T 6283; GB/T 13390; GB/T 19077.1; GB/T 23365; GB/T 23367.1; GB/T 23367.2; GB/T 24533-2009; JCPDS 50-0653; GB/T 23366
Regulation (derived from): National Standards Bulletin No. 19, 2014
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the terms of lithium cobalt oxide, requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and contracts (or orders) content. This standard applies to lithium ion battery cath

GB/T 20252-2014: Lithium cobalt oxide

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Lithium cobalt oxide ICS 77.160 H71 National Standards of People's Republic of China Replacing GB/T 20252-2006 Lithium cobalt oxide Issued on. 2014-07-24 2015-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is in accordance with GB/T 1.1-2009 given rules drafted. This standard replaces GB/T 20252-2006 "lithium cobalt oxide." This standard compared with GB/T 20252-2006 main technical changes are as follows. --- Increasing the term clause; --- Increasing the lithium cobalt oxide product classification; --- Increased performance requirements of different types of lithium cobalt oxide; --- Increasing the residual alkali content, magnetic foreign matter content requirements; --- Change the primary element content and product requirements; --- Modify the content of impurity elements and product requirements; --- Modify the test items and sample content. --- Remove the chemical composition of the two elements Li and Co content requirements molar ratio; --- Remove the standard in Appendix A, Appendix B, Appendix C and Appendix D. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. CITIC Guoan MGL Power Technology Co., Ltd., Guangdong loop Bump Technology Co., Ltd. Beijing when l material Technology Co., Ltd., Ningbo Jinhe New Materials Co., Ltd., Xiamen Tungsten Co., Ltd., advanced energy storage materials National Engineering Institute Research Centre. The main drafters of this standard. Jiang Weijun, Cui Yan, Li Changdong, Yu Haijun, even paper money, Chen Yanbin, Liu Daliang, Gao Wei, Shi Jianzhen. This standard replaces the standards previously issued as follows. --- GB/T 20252-2006. Lithium cobalt oxide

1 Scope

This standard specifies the terms of lithium cobalt oxide, requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and contracts (Or orders) content. This standard applies to lithium ion battery cathode active material for lithium cobalt oxide.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Determination of GB/T 1717 aqueous pigment suspension pH value Determination of GB/T 5162 metal powder tap density GB/T 5314 sampling powder metallurgy method GB/T 6283 Determination of moisture content of chemical products Karl Fischer method (General method) GB/T 13390 metal powder specific surface area by nitrogen adsorption GB/T 19077.1 laser diffraction particle size analysis - Part 1. General GB/T 23365 cobalt lithium electrochemical performance testing initial discharge capacity and initial charge-discharge efficiency test method GB/T 23366 cobalt lithium electrochemical performance testing platform discharge capacity ratio and cycle life test method GB/T 23367.1 lithium cobalt oxide chemical analysis methods - Part 1. Determination of cobalt content EDTA titration GB/T 23367.2 lithium cobalt oxide chemical analysis - Part 2. Determination of electric lithium, nickel, manganese, magnesium, aluminum, iron, sodium, calcium and copper content Inductively coupled plasma atomic emission spectrometry GB/T 24533-2009 lithium-ion battery anode material graphite JCPDS1) (50-0653) lithium cobalt standard X-ray powder diffraction pattern 1) JointCommitteeonPowderDiffractionStandards (Joint Committee on Powder Diffraction Standards)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Specific capacity specificcapacity Per unit mass of the active material charging or discharging electrochemical capacity under specified conditions, the unit is mAh per gram (mAh/g). 3.2 efficiency charge-discharge efficiency The percentage of the discharge capacity and the charge capacity of the active substance under specified conditions. 3.3 Rate performance ratecapability The percentage of capacity and a low current discharge capacity of the active material at a high current discharge. ......

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