The following methods can be used for inspection. If there are no following problems, it is normal. First, check whether there is any abnormality such as bulge, liquid leakage, burning loss, etc. thro
1. Self discharge testGenerally, 24-hour self discharge is used to quickly test its charge holding capacity. The battery is discharged to 3.0V at 0.2C, charged to 4.2V at 1C with constant current and
1. In terms of discharge performance test, the standard requires charging at (20 5) ℃ according to the specified charge discharge ratio and discharging to the termination voltage, and the discharge t
(1) Poor isolation, uniformity, electronic insulation and tensile strength of diaphragm(2) Powder loss of pole piece, dislocation of winding, burr of liquid collector, etc(3) The diaphragm contains co
(1) After 3C lithium-ion batteries pass 3C certification, battery manufacturers can put them into production. The completed 3C lithium ion battery shall also be subject to performance and safety tests
(1) Determine the use range of lithium ion battery;(2) Confirm the test contents of 3C lithium-ion battery;(3) Send the 3C lithium ion battery sample to the battery testing laboratory for testing;(4)
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