In the era of vigorous development of new energy vehicles, as its core component, the quality and safety of automotive power lithium batteries are crucial. In order to ensure the reliability of automotive power lithium batteries, a series of strict testing and certification standards came into being.
I. Importance of testing and certification standards
the performance of automotive power lithium battery is directly related to the mileage, safety and reliability of new energy vehicles. The formulation and implementation of testing and certification standards can effectively standardize the production and use of lithium batteries, improve product quality and ensure the safety of consumers' lives and property. At the same time, these standards also provide clear technical requirements and quality objectives for enterprises and promote the healthy development of the industry.
II. Summary of main testing and certification standards
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national standard
Safety requirements for power batteries for electric vehicles: this standard puts forward strict requirements on the safety performance of power lithium batteries, including overcharge, overdischarge, short circuit, extrusion, safety performance test under various extreme conditions such as acupuncture.
- Cycle Life Requirements and test methods of power batteries for electric vehicles: the cycle life test methods and requirements of power lithium batteries are specified to ensure that the batteries can maintain stable performance during long-term use.
- "Electric Performance Requirements and test methods of power battery for electric vehicles": it covers the electric performance indexes of power lithium battery, such as test methods and requirements of capacity, internal resistance, charge and discharge efficiency, etc.
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International standards
- ISO 12405: the performance test standard for lithium-ion power batteries for electric vehicles formulated by the International Organization for Standardization, including test requirements on cycle life, capacity, power, etc.
- IEC 62660: the safety performance standard for lithium-ion power batteries for electric vehicles covers mechanical safety, electrical safety, environmental safety and other aspects.
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Industry Standard
- electric passenger car safety technical conditions: higher requirements are put forward for the safety performance of power lithium batteries used in electric passenger car, including regulations on the protection level of battery systems and thermal management systems.
- New energy vehicle manufacturers and product access management regulations: New energy vehicle manufacturers are required to ensure that their products meet relevant testing and certification standards before they can enter the market for sale.
III. Process and method of testing and certification
- sample Preparation: enterprises provide a certain number of battery samples according to the standard requirements for various performance tests.
- Performance Test: professional testing institutions adopt advanced testing equipment and methods to conduct comprehensive tests on battery capacity, internal resistance, cycle life, safety performance, etc.
- Data Analysis: analyze and evaluate the test data to determine whether the battery meets the requirements of relevant standards.
- Certification issued: if the battery has passed the testing certification, the testing organization will issue the corresponding certification certificate to prove that the product meets the standard requirements and can be sold and used in the market.
IV. Future Development Trend of testing and certification standards
with the continuous progress of new energy vehicle technology and the continuous growth of market demand, the testing and certification standards for automotive power lithium batteries will also be continuously improved and updated. Future standards will pay more attention to the safety, reliability and environmental protection performance of batteries, and will also strengthen the requirements on battery recycling and other aspects. In addition, with the application of intelligent technology, detection and authentication methods will be more efficient, accurate and intelligent.
Dongguan Juneng New Energy Technology Co., Ltd.
137 5142 6524（Miss Gao）
susiegao@power-ing.com
Xinghuiyuan High tech Industrial Park, Dalang Town, Dongguan City, Guangdong Province
Yue Gong Wang An Bei No. 4419002007491