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Why do we need UN38.3 and what is the test object of UN38.3?
![Why do we need UN38.3 and what is the test object of UN38.3?](/data/attachment/202307/20/9844ee61c90180f0b46c9e69a2618bf9.jpg)
Why do we need UN38.3?
UN38.3 is the prevailing United Nations standard that lithium batteries must meet to receive certification for safe transport. Lithium batteries un38 3 must undergo a rigorous series of tests performed by an approved independent testing laboratory to ensure they do not rupture, leak, disassemble, or catch fire.
What is the test object of UN38.3?
The test object of UN38.3 is Lithium cells and Lithium batteries, which are mainly composed of negative electrode materials, electrolyte and positive electrode materials. The chemical activity of the cathode material graphite in the charging state is close to that of lithium metal, and the SEI film on the surface decomposes at high temperature.