YS/T 1520-2022Doped Lithium Nickel Cobalt Manganese Oxide (English PDF)

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.

6.1 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.

7.1 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;