Terminology of battery
Release time:
2022/04/27
After the battery has been subjected to a specific working cycle for a long time, it automatically maintains this specific electrical performance. Can not fully release the rated capacity, can only reach the common depth of discharge. For example: a rated capacity of 100 percent of the battery, in use, if not used up after the charge, long-term, the battery "remember" this "scale", later charging, charge to this "scale" is no longer easy to charge.
Terminology of battery
1. Chemical power supply (also known as battery): A device that directly converts chemical energy into electrical energy.
2. Primary battery (also known as primary battery): A battery that can only be used for discharge and cannot be recovered by charging after discharge and can be used again.
3. Secondary battery (also known as rechargeable battery): A battery that can be recovered by charging after discharge and can be used again.
4. Open circuit voltage: the potential difference between the positive and negative electrodes of the battery when the external circuit is disconnected.
5. Load voltage: the potential difference between the two extremes of the battery when the battery outputs current.
6. Nominal voltage (also known as rated voltage): the minimum value of the specified battery open circuit voltage.
7. End voltage: In the battery discharge test, the load voltage at which the discharge is terminated is specified.
8. Storage life: the storage period of the battery under the specified conditions, at the end of storage, the battery can still maintain the specified performance.
Nominal capacity: Under certain conditions, the minimum amount of power that the battery should give.
10. Internal resistance: the resistance between the two poles inside the battery.
11. Cycle life: The number of charge and discharge cycles that a rechargeable battery can achieve before it fails.
12. Self-discharge: The phenomenon of capacity loss caused by various reasons in the charged or stored state of the battery.
13. discharge rate: the current value required when the battery releases the rated capacity within the specified time; or the time required when the rated capacity is discharged according to a certain output current. Commonly used magnification (several C) or time rate representation.
14. Charging rate: The current value required for the battery to be charged to the rated capacity within a specified time; or the time required to be charged to the rated capacity under a certain current. Generally expressed as a multiplier (several C) or time rate.
15. Constant voltage charging: a charging method that keeps the voltage at both ends of the charger unchanged during charging.
16. Constant current charging: a charging method in which the charging current remains unchanged during charging.
17. Trickle charging: a charging method in which the battery is charged at a constant current with a low charging rate (C/100C/20) to keep the battery fully charged.
18. Memory effect: After the battery has been subjected to a specific working cycle for a long time, it automatically maintains this specific electrical performance. Can not fully release the rated capacity, can only reach the common depth of discharge. For example: a rated capacity of 100 percent of the battery, in use, if not used up after the charge, long-term, the battery "remember" this "scale", later charging, charge to this "scale" is no longer easy to charge.
19. Climbing alkali (leakage) liquid: the electrolyte in the battery flows out from the outer surface of the battery or battery parts that are not in contact with the electrolyte under normal circumstances.
20. Battery/battery pack: Two or more batteries are connected in series and in parallel to provide the voltage and current required for operation. Generally speaking, the battery used only refers to a single battery.
21. Discharge current: How much current is needed to discharge during discharge.
22. Safety valve: the exhaust hole designed on the battery cover, when the pressure of the gas released inside the battery reaches a certain value, the hole valve automatically opens the exhaust gas.
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