The 0.01% testing accuracy can precisely measure the specific capacity of new materials and detect subtle side reactions during the initial stages of battery cycling, This allows for a comprehensive performance evaluation and lifetime prediction of the battery in a short period.
For a 100Ah battery:
With an average CE test accuracy of 99.95%, after 500 cycles,CAPk=100*0.9995 500 =77.88Ah
With an average CE test accuracy of 99.955%, after 500 cycles, CAPk= 100*0.99955 500=79.85Ah
The difference is 1.97Ah, meaning the model accuracy differs by 1.97%!
ΔC or Ch. End Cap measurement requires high-precision charge-discharge equipment. Low accuracy will lead to inaccurate results.
High-precision testers ensure smooth curves and capture small phase change peaks!
Charge to the target voltage, stabilize under constant voltage, and assess leakage current by the zero-current difference.
Test Plan:
1. Button Cell:
Electrodes: Ternary(фl4mm)vs. Lithium(ф20mm)
Capacity: 2mAh
Equipment: ECT6008-5V10mA
2. Test Process:
Constant current, constant voltage charging: 0.8mA,3.8V, for 72 hours.
High-precision testers ensure accurate leakage current measurement.
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