YS/T 1520-2022 PDF English
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Doped Lithium Nickel Cobalt Manganese Oxide
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YS/T 1520-2022: Doped Lithium Nickel Cobalt Manganese 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/YST1520-2022
YS
NONFERROUS INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.160
CCS H 71
Doped Lithium Nickel Cobalt Manganese Oxide
掺杂型镍钴锰酸锂
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 Designations ... 5
5 Technical Requirements ... 6
6 Test Methods ... 8
7 Inspection Rules ... 9
8 Marking, Packaging, Transportation, Storage and Accompanying Documents ... 12
9 Contents of Order Form ... 13
Doped Lithium Nickel Cobalt Manganese Oxide
1 Scope
This Document specifies the designation, technical requirements, test methods, inspection rules,
marking, packaging, transportation, storage, accompanying document and ordering list contents
of the doped lithium nickel cobalt manganese oxide.
This Document applies to cathode active material of doped lithium nickel cobalt manganese
oxide for 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 1006.2 Methods for chemical analysis of lithium nickel cobalt manganese oxide –
Part 2: Determination of lithium, nickel, cobalt, manganese, sodium, magnesium,
aluminum, potassium, copper, calcium, iron, zinc and silicon content – Inductively coupled
plasma atomic emission spectrometry
YS/T 1339 Methods for chemical analysis of doped nickel cobalt manganese composite
hydroxide – Determination of aluminum, magnesium, titanium, strontium, zirconium,
lanthanum and yttrium contents – Inductively coupled plasma atomic emission
spectrometry
JCPDS (09-0063) 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 Designations
The product uses NCMXYZ(D) to represent the designation, where N represents nickel, C
represents cobalt, M represents Mn, X represents the molar fraction of the nickel element, Y
represents the molar fraction of the cobalt element; Z represents the molar fraction of
manganese element; and D represents the doped type. If the molar fraction is units, then 0 shall
be added before the units. If the molar fractions of nickel, cobalt, and manganese are all
multipoles of ten, then X, Y, Z are the values of the molar fraction divided by ten.
EXAMPLE 1:
The molar fraction of nickel, cobalt and manganese in the doped lithium nickel cobalt manganese oxide
product is 50: 20: 30, and the designation is NCM523(D).
EXAMPLE 2:
The molar fraction of nickel, cobalt and manganese in the doped lithium nickel cobalt manganese oxide
product is 65: 15: 20, and the designation is NCM651520(D).
EXAMPLE 3:
The molar fraction of nickel, cobalt and manganese in the doped lithium nickel cobalt manganese oxide
product is 88: 9: 3, and the designation is NCM880903(D).
When the discharge capacity of the product reaches 80% of the first discharge capacity under
specified conditions, the number of recycling shall be no less than 1000 times.
5.14 Other requirements
If the purchaser has special requirements for doped lithium nickel cobalt manganese oxide, it
shall be negotiated between the supplier and the purchaser.
6 Test Methods
6.1 Chemical composition
6.1.1 The content of nickel, cobalt, manganese, lithium, sodium, calcium, iron, zinc and copper
in the product shall be determined in accordance with the provisions of YS/T 1006.2.
6.1.2 The content of doping elements in the product shall be measured in accordance with the
provisions of YS/T 1339 or the method agreed upon by both the supplier and the purchaser.
6.1.3 The chromium content and sulfur content of the product shall be measured according to
the method agreed upon by the supplier and the purchaser.
6.2 Moisture content
The determination of product moisture content shall be carried out in accordance with the
provisions of GB/T 6283.
6.3 Magnetic foreign matter
The determination of the magnetic foreign matter content of the product is carried out in
accordance with the provisions of Appendix K in GB/T 24533-2019.
6.4 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.
6.5 pH value
The pH value of the product is measured in accordance with the provisions of GB/T 1717.
6.6 Appearance quality
The appearance quality of the product is visually inspected.
6.7 Crystal structure
The crystal structure of the product was detected using an X-ray powder diffractometer.
6.8 Tap density
The measurement of product tap density shall be carried out in accordance with the provisions
of GB/T 5162.
6.9 Particle size distribution
The determination of product particle size distribution shall be carried out in accordance with
the provisions of GB/T 19077.
6.10 Specific surface area
The determination of product specific surface area shall be carried out in accordance with the
provisions of GB/T 19587.
6.11 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 in 2.80 V~4.30 V; and
other conditions remain unchanged. It can also be carried out according to the method agreed
upon by both the supplier and the purchaser.
6.12 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 in 2.80 V~4.30 V; and
other conditions remain unchanged. It can also be carried out according to the method agreed
upon by both the supplier and the purchaser.
6.13 Recycling life
The measurement of product recycling life is carried out in accordance with the provisions of
GB/T 37207. The charge and discharge voltage range is in 2.80 V~4.30 V; and other conditions
remain unchanged. It can also be carried out according to the method agreed upon by both the
supplier and the purchaser.
7 Inspection Rules
7.1 Inspection and acceptance
7.1.1 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.
7.1.2 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 reported to the supplier within 3 months from the
8 Marking, Packaging, Transportation, Storage and
Accompanying Documents
8.1 Marking
The product outer packaging mark should be accompanied by the following content:
a) Product name;
b) Batch number;
c) Net weight;
d) Name of supplier;
e) Factory address;
f) "Rainproof" mark.
8.2 Packaging
8.2.1 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.
8.2.2 The product is packed in woven bags lined with aluminum plastic bags and sealed. Each
bag has a net weight of 500 kg.
8.2.3 If the purchaser has special requirements for packaging, these shall be determined through
negotiation between the purchaser and the supplier.
8.3 Transportation and storage
8.3.1 The packaging of the product shall be avoided from being damaged during transportation.
8.3.2 Products shall be protected from moisture and corrosion during storage. The product has
a shelf life of 1 year from the date of production.
8.4 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;
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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