The Performance and Testing of Battery

The performance of secondary batteries mainly includes voltage, internal resistance, capacity, energy density, internal pressure, self-discharge rate, cycle life, sealing performance, safety performance, storage performance, appearance, etc., and other overcharge, overdischarge, corrosion resistance, etc.

The Reliability Testing of Lithium Ion Battery

1） Cycle life

2） Discharge characteristics at different multipliers

3） Discharge characteristics at different temperatures

4） Charging characteristics

5） Self-discharge characteristics

6） Storage characteristics

7） Overdischarge characteristics

8） Different temperature internal resistance characteristics

9） Temperature cycling test

10）Drop test

11）Vibration test

12）Capacity test

13）Internal resistance test

14）GMS test

15）High and low temperature impact test

16）Mechanical shock test

17）High temperature and humidity test

The safety test items of the battery

1） Short circuit test

2） Overcharge and overdischarge test

3） Withstand voltage test

4） Impact test

5） Vibration test

6） Heating test

7） Fire test

8） Variable temperature cycle test

9） Trickle charge test

10）Free fall test

11）Low air pressure test

12）Mandatory discharge test

13）Electric hot plate test

14）Thermal shock test

15）Acupuncture test

16）Extrusion test

17）Heavy object impact test

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