MH/T 1072-2020 in English
VALIDSpecial requirements for dangerous goods air transport Pre-production prototypesand low production runs of lithium batteries or cells
- Issued on:2020-07-20
- Implemented on:2020-10-01
- File Format:PDF
- Delivery:Via email within 5 business days
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本标准规定了《危险品航空运输批准和豁免管理程序》涉及的原型及低产量锂电池或电池芯的测试方法及其包装件跌落测试方法。
本标准适用于原型及低产量锂电池或电池芯危险品货物。
Introduction
Analysis of the core content of the standard
| Test items | Applicable objects | Key parameters | Judgment criteria |
|---|---|---|---|
| Altitude simulation (T.1) | Battery cell | 11.6kPa/6h | Voltage retention ≥90% |
| Temperature test (T.2) | Battery cell | -40℃~72℃ cycle | No abnormality after 10 cycles |
| Vibration test (T.3) | Battery cell/battery | 7-200Hz frequency sweep | 12 times in each of the 3 axes |
Key technical requirements
Special provisions for test samples
The standard clearly defines prototype lithium batteries and low-production lithium batteries: batteries with annual production ≤100 and that have not passed the UN38.3 test. The number of test samples is configured according to the battery type:
- Non-rechargeable battery cells: 20 (15 fully charged + 5 discharged)
- Rechargeable battery cells: 18 (8 fully charged + 10 discharged)
Implementation suggestions
Key points of packaging test
Note when using PI910 packaging instructions:
- Drop test must include 6 directions (bottom, top, 4 sides)
- Target surface requirements: cement/steel plate, size ≥ projected area of package
- Exemption conditions: The battery is installed in the equipment and not transported separately
Standard evolution analysis
Compared with MH/T 1052 conventional lithium battery testing, this specification targets the characteristics of products in the R&D stage:
- Cancel the charge and discharge cycle pretreatment requirement
- Add Forced discharge test (T.8)
- Refine the content requirements of the packaging test report
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