1.Active material utilization rate
The ratio of the actual discharge capacity of the battery to the theoretical capacity is referred to as the active material utilization.
2. The utilization rate of active substances is related to those factors
It is closely related to the battery structure, the state of the electrodes, the discharge system of the battery, and the manufacturing process of the battery.
3. Battery capacity
It refers to the amount of electricity that can be discharged by the battery under a certain discharge system. The potential is ampere-hour, which can be expressed in milliampere hours.
4. The capacity of the battery can be divided into
Theoretical capacity, nominal capacity, design capacity, rated capacity, and actual capacity.
5. Theoretical capacity
It means that the volume capacity should be calculated according to Faraday's law according to the amount of the active material participating in the flow-through reaction under a capacity condition such as a positive electrode, a negative electrode, and a battery.
6. Rated capacity
Refers to the capacity that the battery should be able to provide under specified conditions, which is the legal capacity value.
7. Actual capacity
It is the amount of electricity discharged by the battery under actual load conditions.
8. The theoretical capacity, rated capacity, design capacity, and actual capacity are in the order of numerical values.
Theoretical capacity>actual capacity>design capacity>rated capacity
9. The order of battery electromotive force, charging voltage, discharge voltage, and open circuit voltage
Charging voltage>Battery electromotive force ≥ Open circuit voltage> Discharge voltage
10. Electrochemical capacity
Refers to the theoretical capacity given by the mass section of the active substance.