Driving the electric vehicle revolution with safe & secure batteries

摘要

Comparatively lightweight and long-lasting, with good performance, lithium-ion (Li-ion) batteries have proven invaluable in electric vehicle (EV) development, but they carry with them potential safety hazards which must be managed. Also, while consumers are familiar with the traditional combustion engine, and therefore accept the well-known risks associated with fossil fuel-powered cars, there is still an element of distrust relating to relatively new and unfamiliar EV technologies.Improvements in design, materials, construction and manufacturing processes means that the safety of Li-ion has dramatically improved. However, ensuring their safety and reliability requires thorough and accurate testing, which includes:1.Life-cycle testing - verifies how long a battery lasts and demonstrates the quality of the battery. These tests include environmental cycle testing and calendar life testing.2.Abuse testing - simulates extreme environmental conditions and scenarios to test batteries beyond limits.3.Performance testing - demonstrates the efficiency of batteries, such as performance testing under various climatic conditions.4.Environmental & durability testing- demonstrates the quality and reliability of a battery through tests including vibration,shock, EMC, thermal cycling, corrosion, dust,salt and humidity.5.Dynamic impact tests - simulates a real vehicle accident to determine the true safety performance of the battery when the car body is deformed.6.Transportation tests - UN 38.3 is a series of tests to verify the robustness of batteries against conditions encountered in shipment.