With the rapid development of new energy vehicles, the safety of power batteries is getting more and more attention. As we all know, power battery is like the "heart" of new energy vehicles, which is not only critical but also needs to be protected.The power battery pack of a new energy vehicle consists of several modules, like the battery top cover, aluminum casing, electric cells, explosion-proof valves, rupture discs and so on.
Therefore their security testing is quite important, and one of theBreath Cycle Test and Burst Pressure Test are two tests that are essential in safety testing., so what is the difference between these two tests?
Ⅰ.Different test purposes
Breathing cycle tester is a kind of equipment used to test the functionality and life of new energy power battery, mainly for fatigue resistance test of battery, also called cycle life test.The Breathing Cycle Tester simulates the actual conditions of a power battery in use by controlling the bi-directional air pressure, thus accurately reflecting the true performance characteristics of the rupture disc, and detecting whether the rupture disc can withstand multiple cyclic variations under a certain pressure in order to evaluate the performance and stability of the battery.
The burst tester is a high-pressure destruction of the battery to simulate the safety performance of the battery under extreme working conditions, which is a safety destruction test.The Burst Pressure Tester simulates the effects of an explosion on a battery by applying a blast load and measures the rupture strength, burst pressure value and other performance parameters of the battery.
Ⅱ.Different test principles
Respiratory cycle testing usuallyIn the micro-pressure range of 0~800kPaGas loading and unloading was performed inside to simulate the long-term respiration effect of the cell.
Battery Cover Column Breathing Cycle Test
Burst pressure testing applies an extremely high pressure shock to the battery, quickly destroying it and observing the form of destruction.General pressure in 0~3.5MPaThe
Battery Cover Rupture Pressure Test for Rupture Discs
III.Different test methods
Respiratory cycle testing is required forDozens or even hundreds of loading and unloading cycles, observing the change in volume of the battery.Long test cyclesThe
Burst pressure testing is only required inHigh pressure can be applied in a few tens of seconds(math.) genusShort test cycle timeThe
IV. Summary
Breathing cycle test and burst pressure test can comprehensively assess the safety of batteries and ensure the safe operation of electric vehicles. These two kinds of tests have different focuses, JCGK takes this as an entry point, and based on the experience of engaging in the research and development of airtightness testing equipment and its core control and functional components for many years, JCGK has started to research and develop the related instruments and equipments such as breathing cycle test and burst pressure test for new energy market.The company launched the breath burst tester is widely used in new energy vehicles lithium batteries, power batteries, battery cells, aluminum shells, battery cover, explosion-proof valves, battery packs and other different forms of battery products, in the case of successfully seized the market opportunity, Shenzhen Precision Industrial Technology has grown rapidly into a leading enterprise in this field.
In the future, JCGK will focus on production capacity expansion, technological innovation, and market development. JCGK plans to build on the success of the new energy automotive market and target the development of emerging markets such as energy storage, as well asWe participate in the international market competition and keep moving towards the globalization of the first-class enterprises to provide the best solutions for the quality and safety of our customers' products.
