GB/T 37202-2018 in English
VALIDLithium nickel manganese oxide
- Issued on:2018-12-28
- Implemented on:2019-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
《GB/T 37202-2018镍锰酸锂》由TC243(全国有色金属标准化技术委员会)归口,TC243SC4(全国有色金属标准化技术委员会粉末冶金分会)执行,主管部门为中国有色金属工业协会。
Introduction
1. Background and significance of standard formulation
The formulation of GB/T 37202-2018 "Lithium Nickel Manganese Oxide" national standard is to standardize the quality and technical requirements of lithium-ion battery positive electrode materials and promote the development of the industry. The standard was proposed by the China Nonferrous Metals Industry Association and managed by the National Technical Committee for Standardization of Nonferrous Metals. The main drafting units include Guangdong Brunp Recycling Technology Co., Ltd., Beijing Dangsheng Materials Technology Co., Ltd. and other leading companies in the industry.
2. Comparative analysis of standard frameworks
| Standard dimensions | Technical requirements | Test methods | Scope of application |
|---|---|---|---|
| Chemical composition | Ni: 15.0~17.0%, Mn: 44.5~46.5%, Li: 3.6~4.0% | GB/T5314 (sampling) + GB/T6283 (moisture determination) | Lithium-ion battery positive electrode materials |
| Physical properties | Tap density ≥1.8 g/cm³, specific surface area 0.2~1.5 m²/g | GB/T5162 (tap density) + GB/T13390 (specific surface area) | Battery material performance test |
| Electrochemical performance | First discharge capacity ≥130 mAh/g, cycle life ≥500 times | GB/T23365 (electrochemical test) + GB/T23366 (cycle life) | Battery performance evaluation |
3. Recommendations for standard implementation
3.1 Implementation strategy at the enterprise level
- Chemical composition analysis:Establish an internal laboratory equipped with ICP-MS and other equipment to ensure that the content of Ni, Mn and Li meets the standard requirements.
- Physical performance test:Use a tap density meter and a specific surface area analyzer to regularly test product performance.
3.2 Optimization suggestions at the industry level
- Promote cooperation between enterprises and establish a unified quality control system.
- Strengthen the promotion and implementation of standards and improve the understanding and application capabilities of practitioners of GB/T 37202-2018.

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