YS/T 1521-2022 PDF English
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| YS/T 1521-2022 | English | 225 |
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YS/T 1521-2022: Lithium Nickel Cobalt Oxide---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YST1521-2022
YS
NONFERROUS INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.160
CCS H 71
Lithium Nickel Cobalt Oxide
镍钴酸锂
ISSUED ON: SEPTEMBER 30, 2022
IMPLEMENTED ON: APRIL 1, 2023
Issued by: Ministry of Industry and Information Technology of the People’s
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 5
4 Technical Requirements ... 5
5 Test Methods ... 7
6 Inspection Rules ... 9
7 Marking, Packaging, Transportation, Storage and Accompanying Documents ... 11
8 Contents of Order Form ... 13
Lithium Nickel Cobalt Oxide
1 Scope
This Document specifies the terms and definitions, technical requirements, test methods,
inspection rules, marking, packaging, transportation, storage, accompanying document, and
order form contents of the lithium nickel cobalt oxide.
This Document applies to the positive active material lithium nickel cobalt oxide used in
lithium-ion batteries.
2 Normative References
The provisions in following documents become the essential provisions of this Document
through reference in this Document. For the dated documents, only the versions with the dates
indicated are applicable to this Document; for the undated documents, only the latest version
(including all the amendments) is applicable to this Document.
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 8170 Rules of rounding off for numerical values & expression and judgement of
limiting values
GB/T 19077 Particle size analysis - Laser diffraction methods
GB/T 19587 Determination of the specific surface area of solids by gas adsorption using
the BET method
GB/T 20252-2014 Lithium cobalt oxide
GB/T 24533-2019 Graphite negative electrode materials for lithium-ion battery
GB/T 37201 Electrochemical performance test of lithium nickel cobalt manganese oxide
- Test method for discharge specific capacity and charge-discharge coulombic efficiency
of the first cycle
GB/T 37207 Electrochemical performance test of lithium nickel cobalt manganese oxide
- Test method for discharge plateau capacity ratio and cycle life
YS/T 1006.1 Methods for chemical analysis of lithium nickel cobalt manganese oxide -
Part 1: Determination the total of nickel cobalt manganese content - EDTA disodium salt
titration
YS/T 1263.1 Methods for chemical analysis of lithium nickel cobalt aluminum oxide - Part
1: Determination of nickel content-Dimethylglyoxime gravimetric method
YS/T 1263.2 Methods for chemical analysis of lithium nickel cobalt aluminum oxide - Part
2: Determination of cobalt content-Potentiometric titration
YS/T 1263.3 Methods for chemical analysis of lithium nickel cobalt aluminum oxide - Part
3: Determination of lithium content- Flame atomic absorption spectrometric method
YS/T 1263.4 Methods for chemical analysis of lithium nickel cobalt aluminum oxide- Part
4:Determination of aluminum, iron, calcium magnesium, copper, zinc, silicon, sodium,
manganese contents- Inductively coupled plasma atomic emission spectrometry
JCPDS (50-0509) Lithium nickelate X-ray powder diffraction standard pattern
3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in GB/T 20252-2014 apply.
4 Technical Requirements
4.1 Chemical composition
The chemical composition of the product shall comply with the provisions of Table 1.
1263.2.
5.1.4 The determination of lithium content in the product shall be carried out in accordance with the
provisions of YS/T 1263.3.
5.1.5 The determination of sodium, calcium, iron, zinc and copper content in products shall be
carried out in accordance with the provisions of YS/T 1263.4.
5.1.6 The sulfur content in the product shall be measured according to the method agreed upon by
the supplier and the purchaser.
5.2 Moisture content
The moisture content of the product shall be measured in accordance with the provisions of GB/T
6283.
5.3 Magnetic foreign matter
The magnetic foreign matter content of the product shall be measured in accordance with the
provisions of Appendix K in GB/T 24533-2019.
5.4 Residual alkali content
The residual alkali content of the product is measured according to the method agreed upon by both
the supplier and the purchaser.
5.5 pH
The pH value of the product is measured in accordance with the provisions of GB/T 1717.
5.6 Appearance quality
The appearance quality of the product is visually inspected.
5.7 Crystal structure
The crystal structure of the product was detected using an X-ray powder diffractometer.
5.8 Tap density
The tap density of product shall be measured in accordance with the provisions of GB/T 5162.
5.9 Particle size distribution
The particle size distribution of the product shall be measured in accordance with the provisions of
GB/T 19077.
5.10 Specific surface area
The specific surface area of product shall be measured in accordance with the provisions of GB/T
19587.
5.11 First discharge specific capacity
The first discharge specific capacity of the product is measured in accordance with the provisions
of GB/T 37201. The charge and discharge voltage range is negotiated between the supplier and the
purchaser.
5.12 First charge and discharge efficiency
The first charge and discharge efficiency of the product is measured in accordance with the
provisions of GB/T 37201. The charge and discharge voltage range is negotiated between the
supplier and the purchaser.
5.13 Recycling life
The recycling life of product shall be measured in accordance with the provisions of GB/T 37207.
The charge and discharge voltage range is determined by negotiation between the supplier and the
purchaser.
6 Inspection Rules
6.1 Inspection and acceptance
6.1.1 Products shall be inspected by the supplier or a third party to ensure that product quality
complies with the provisions of this document and the order form.
6.1.2 The purchaser may inspect the received products in accordance with the provisions of this
Document and the order form. If the inspection results are inconsistent with the provisions of this
Document and the order form, it shall be submitted to the supplier within 3 months from the date of
receipt of the product; and the matter shall be resolved through negotiation between the supplier and
the purchaser. If arbitration is required, arbitration sampling shall be conducted on the supplier, and
shall be conducted jointly by both the supplier and the purchaser.
6.2 Batching
Products shall be submitted for acceptance in batches. Each batch shall be composed of a mixture
of products with the same production cycle and the same chemical composition. The weight of each
batch shall not exceed 5 t. When the purchaser has special requirements, it shall be determined
through negotiation between the supplier and the purchaser.
6.3 Inspection items and sampling
6.3.1 Inspection classification
c) Net weight;
d) Name of supplier;
e) Factory address;
f) "Rainproof" mark.
7.2 Packaging
The product is packed in aluminum-plastic lined bags, sealed and put into outer packaging
barrels, with a net weight of 25 kg per barrel. If the purchaser has special requirements for the
packaging, it shall be determined through negotiation between the supplier and the purchaser.
7.3 Transportation and storage
7.3.1 The packaging of the product shall be avoided from being damaged during transportation.
7.3.2 Products shall be protected from moisture and corrosion during storage. The product has
a shelf life of 1 year from the date of production.
7.4 Accompanying files
Each batch of products shall be accompanied by accompanying documents, which shall include,
in addition to supplier information, product information, this Document number, exit-factory
date or packaging date, the following:
a) Product quality guarantee:
• The main performance and technical parameters of the product;
• Product characteristics (including characteristics of manufacturing processes and raw
materials);
• Responsibility for product quality;
• The quality certification obtained by the product and various analysis and inspection
results printed by the supplier's technical supervision department.
b) Product certificate:
• Inspection items and their results or inspection conclusions;
• Lot volume or lot number;
• Production Date;
• Inspection date;
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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