1.What is the residual discharge capacity of a battery?
When discharging rechargeable batteries with high current (such as 1C or above), there exists an internal diffusion rate due to the excessive current; Bottleneck effect;
The residual capacity is the capacity released when the battery reaches the terminal voltage before the capacity is fully discharged, and can continue to discharge with a small current such as 0.2C until it reaches 1.0V/pack (nickel cadmium and nickel hydrogen batteries) and 3.0V/pack (lithium iron phosphate batteries).
2. What is a discharge platform?
The discharge platform of nickel hydrogen rechargeable batteries usually refers to the voltage range in which the working voltage of the battery is relatively stable when discharged under a certain discharge regime. Its value is related to the discharge current, and the larger the current, the lower its value. The discharge platform of lithium-ion batteries is sometimes stopped when charged at a constant voltage of 4.2V and a current of less than 0.01C, and then left for 10 minutes to discharge at a rate of 3.6V. It is an important standard for measuring the quality of batteries.
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