Standard No.:	GB 19521.11-2005
Chinese Name:	锂电池组危险货物危险特性检验安全规范
English Name:	Safety code for inspection of hazardous properties for dangerous goods of lithium batteries
Professional Classification:	C60 Diagnostic standard for occupational diseases
Professional Classification:	GB National Standard
ICS Classification:	13.300
Issued by:
Issued on:	2005-10-19
Implemented on:	2006-05-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:
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1 Scope

This standard specifies the requirements, tests and inspection rules for dangerous goods of lithium-ion cells or batteries.
This standard is applicable to the inspection of hazardous properties for dangerous goods of lithium-ion cells or batteries.

2 Normative References

The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 19458 "Safety Code for Inspection of Hazardous Properties for Dangerous Goods-General Specifications"
IEC 60050 (482) "International Electrotechnical Vocabulary - Part 482: Primary and Secondary Cells and Batteries"
"UN Recommendations on the Transport of Dangerous Goods--Model Regulation" (Thirteenth revised edition)
"UN Recommendations on the Transport of Dangerous Goods--Manual of Tests and Criteria" (Fourth revised edition)

3 Terms and Definitions

The terms and definitions established in the "UN Recommendations on the Transport of Dangerous Goods--Manual of Tests and Criteria" (Fourth revised edition) and in IEC 60050 (482) as well as the following ones are applicable to this standard.
3.1
Aggregate lithium content
It refers to the sum (g) of the content of lithium of all the cells that constitute the battery.
3.2
Cycle
It refers to one procedure to fully charge and fully discharge the rechargeable cell or battery.
3.3
Disassembly
It refers to the leakage or fracture that causes the solid matter at any part of the battery passing through the wire sieve (soft aluminium wire in diameter of 0.25mm, with the density of aluminium wire net of 6~7 strips/cm) located 25cm away from the cell or battery.
3.4
Effluent
It refers to the liquid or gas released from the cell or battery when it exhausts gas or leaks.
3.5
First cycle
It refers to the initial charge and discharge cycle after completing all the manufacturing procedures.
3.6
Fully charged
It refers to that the rechargeable cell or battery is charged to its designed initial conditions.
3.7
Fully discharged
It refers to one of the following two conditions:
--the primary cell or battery is discharged until it losses 100% of its rated capacity;
--the rechargeable cell or battery is discharged until its load voltage is less than 2/3 of its initial open-circuit voltage.
3.8
Large cell
It refers the cell for which the content of lithium at its anode is larger than 12g at the fully charged state.
3.9
Large battery
It refers the battery for which the aggregate lithium content at all the anodes is larger than 500g at the fully charged state.
3.10
Content of lithium
It refers to the mass of lithium in the lithium metal or lithium alloy anode of cell. As for the primary cell, the content of lithium shall be measured when the cell is not discharged; as for the rechargeable cell, the content of lithium shall be measured when the cell is fully charged; however, as for the lithium-ion cell, the content of lithium shall be measured according to the equivalent content of lithium, and its value in grams shall be calculated by multiplying the rated capacity (A?h) with 0.3.