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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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Domestic power lithium ion battery standard

release time:2022-12-28 Hits:     Popular:AG11 battery


  LR61

  In 2001, the Automobile Standardization Committee issued the first technical document GB/Z 18333 for the guidance of lithium ion battery testing of electric vehicles in China 1: 2011 Lithium Ion Batteries for Electric Road Vehicles. This standard was formulated with reference to IEC 61960-2 ∶ 2000 Portable Lithium Ion Batteries and Storage Batteries - Part 2: Lithium Batteries for portable equipment. The test content includes performance and safety, but it is only applicable to 21.6V and 14.4V batteries.

  In 2006, the Ministry of Industry and Information Technology issued QC/T 743 Lithium Ion Battery for Electric Vehicles, which was widely used in the industry and revised in 2012. GB/Z 18333. 1: Both 2001 and QC/T 743: 2006 are standards for monomer and module levels, with a narrow application scope, and the test content can no longer meet the needs of the rapidly developing electric vehicle industry.

  In 2015, the National Standardization Administration issued a series of standards, including GB/T 31484-2015 Requirements and Test Methods for Cycle Life of Power Batteries for Electric Vehicles, GB/T 31485-2015 Safety Requirements and Test Methods for Power Batteries for Electric Vehicles, GB/T 31486-2015 Requirements and Test Methods for Electrical Performance of Power Batteries for Electric Vehicles, and GB/T 31467 1-2015 Lithium Ion Traction Battery Packages and Systems for Electric Vehicles Part 1: Test Procedures for High Power Applications, GB/T 31467 2-2015 Lithium Ion Traction Battery Packages and Systems for Electric Vehicles Part 2 Test Procedures for High Energy Applications, GB/T 31467 3 Test Procedures for Lithium Ion Traction Battery Systems for Electric Vehicles - Part 3: Safety Requirements and Test Methods.

  GB/T 31485-2015 and GB/T 31486-2015 refer to the safety and electrical performance tests of single units/modules respectively. The GB/T 31467-2015 series refer to the ISO 12405 series and are applicable to the test of battery packs or battery systems, while GB/T 31484-2015 is a test standard specifically for cycle life. The standard cycle life is used for single units and modules, and the working condition cycle life is used for battery packs and systems.

  In 2016, the Ministry of Industry and Information Technology issued the Safety Technical Conditions for Electric Vehicles, which comprehensively considered electric shock, water and dust protection, fire protection, charging safety, collision safety, remote monitoring and other aspects, fully drew on the existing standards related to traditional buses and electric vehicles and local standards in Shanghai and Beijing, put forward higher technical requirements for power batteries, and added two test items: thermal runaway and thermal runaway expansion, It was officially implemented on January 1, 2017.


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