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Common Standards for Lithium Batteries
Standards of the International Electrotechnical Commission (IEC)
IEC61951-2:2003 (for nickel-metal hydride batteries)
Lithium batteries are usually based on UL or national standards, but IEC standards are also often referred to.
National Standards (GB/T)
GB/T10077-1998 (lithium battery standard)
GB/T15100-1994, GB/T18288-2000 (for nickel-metal hydride batteries)
GB/T18287-2000 (a standard related to lithium batteries)
Japanese Industrial Standards (JIS C)
JIS C has also formulated relevant standards for batteries, which are adopted in Japan and some international markets.
United Nations "Recommendations on the Transport of Dangerous Goods - Manual of Tests and Criteria"
UN38.3: A series of tests that lithium batteries need to pass before transportation, including altitude simulation, high and low temperature cycling, vibration tests, impact tests, etc., to ensure transportation safety.
Common Testing Items for Lithium Batteries
Physical Property Testing
Dimension and Weight Detection: Ensure that the battery complies with the design specifications for easy installation and use.
Appearance Inspection: Observe whether the battery casing is intact, without obvious deformation or damage, and without leakage, etc.
Casing Strength Testing: Evaluate the resistance of the battery casing under various environmental conditions.
Performance Testing
Capacity Testing: Test the capacity performance of the battery under different working conditions and compare it with the nominal capacity.
Cycle Life Testing: Evaluate the performance degradation of the battery after multiple cycles of charging and discharging.
Discharge Characteristic Testing: Measure parameters such as the discharge curve and discharge efficiency of the battery.
Safety Evaluation
Overcharge and Overdischarge Testing: Detect the overcharge and overdischarge protection functions of the battery.
Short-circuit Testing: Evaluate the safety performance of the battery under short-circuit conditions.
High-temperature Testing: Test the performance and safety of the battery in a high-temperature environment.
Environmental Adaptability Testing
Temperature Cycling Testing: Simulate the use of the battery under different temperatures to evaluate its performance and safety.
Humid and Hot Cycling Testing: Evaluate the durability of the battery in harsh environments.
Other Testing
Electromagnetic Compatibility (EMC) Testing: Evaluate the interference and anti-interference capabilities of the battery in an electromagnetic environment.
Environmental Performance Testing: Test environmental indicators such as the heavy metal content and hazardous substance content of the battery.
Common Regulations and Requirements for Lithium Batteries
International Maritime Dangerous Goods Code (IMDG)
Lithium batteries belong to Class 9 miscellaneous dangerous goods, and their transportation needs to follow the special requirements in the IMDG Code, including passing the UN38.3 test, posting exclusive markings for lithium batteries, etc.
Safety Regulations of Each Country or Region
Each country or region has formulated regulations on the safe use, storage, and transportation of lithium batteries according to its own situation, such as the Battery Directive of the European Union, the regulations of the US Department of Energy, etc.
Environmental Protection Regulations
With the improvement of environmental awareness, the requirements for the environmental performance of lithium batteries in each country are getting higher and higher, such as restricting the content of heavy metals and hazardous substances.
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