Introduction to IEC/EN62133 standard
In March 2013, the European Electrotechnical Standardization Committee CENELEC officially released the EN 62133: 2013 version for battery safety standards. This standard is primarily for the safety requirements of single cells and battery packs and portable sealed cells and batteries with alkaline or non-acid electrolytes. The new standard will replace the first edition of EN62133:2003, released in 2003. At the same time, the European Committee for Electrotechnical Standardization also designated the expiration date of the old EN 62133 standard. The EN 62133:2003 version will be officially cancelled on January 10, 2016. The full test indicates that major battery manufacturers and battery product manufacturers should pay attention to the introduction of the new EN 62133:2013 as soon as possible, so as to avoid the impact of the export of battery products to Europe in the future.
Electrical products entering the European Union (such as mobile phones, flat panels, electric toys, power tools, etc.) need to meet the requirements of the EU New Method Directive and affix the CE mark. As a part of many end products (such as mobile phones, electric toys, tablets, etc.), the safety of the battery needs to be considered in combination with these end products. Therefore, many end product customers require the most parts and components for the safety of their own products. It is also good to affix the CE mark so that its products can better meet the requirements of the relevant directives.
Therefore, if the battery products of export enterprises can meet the requirements of EN62133 and affix the CE mark, it will enhance the competitiveness of their products in the market and strive for a bigger market for enterprises. EN62133 product range: portable sealed secondary battery cells and batteries (groups) containing alkaline or non-acid electrolytes.
IEC/EN62133 battery and battery test project
Cell: continuous low-rate charging, vibration, temperature cycling, external short circuit, drop, impact (collision), thermal misuse (thermal shock), extrusion, low air pressure, overcharge, forced discharge, high rate charge protection Function (lithium system), labeling and packaging, improper installation (nickel system).
Battery: Vibration, shell stress, temperature cycling, external short circuit, drop, impact (collision), marking and packaging, overcharging (nickel system).
There are several test projects that need attention and attention
1. Extrusion: The test object of this project is the battery core. Although it is a common conventional item, it has to be squeezed into a long and short axial direction, that is, two planes of the length and width of the battery core. According to the test experience, the polymer flexible packaging battery core has a failure phenomenon such as burning or explosion when the width axis is squeezed (side). Therefore, for polymer flexible packaging batteries, it is recommended to focus on this project.
2. Continuous low-rate charging: This project is tested by batteries. The standard stipulates that batteries that have been fully charged will continue to be charged for 28 days in accordance with the charging method specified by the manufacturer. This project is not common in other safety standards. In view of the fact that the battery manufacturer's charging method is basically constant current and constant voltage charging, this requires manufacturers to fully consider the regulation and limit of the charging current and even the full-voltage cut-off voltage. If necessary, the battery must be designed with continuous charging resistance in mind.
IEC/EN62133 certification standard
Scope and introduction: Rechargeable batteries and battery packs, alkaline or other non-acid electrolytes / sealed portable battery safety requirements.
Test project test items: continuous low rate charge, vibration, high temperature form stress, high and low temperature cycle, reverse charge (nickel), external short circuit, free fall, mechanical shock, heat abuse, extrusion, low voltage, overcharge (nickel battery , lithium battery is different) forced discharge, high rate charging.
The difference between IEC62133 and EN62133
The difference between IEC62133 and EN62133 is mainly due to the different certification bodies. EN is the EU standard. IEC is an international standard. The test content is the same, including vibration test, high temperature impact test, temperature cycle test, short circuit test and free fall test.
The International Electrotechnical Commission (IEC) was established in 1906 and has a history of more than 100 years. It is the world's first international electrical standardization organization and is responsible for international standardization in electrical engineering and electronic engineering. The purpose of the IEC is to promote international cooperation in standardization and related