What is the difference between a primary battery and a secondary battery?
The internal electrochemistry of the battery determines whether this type of battery is rechargeable.
According to their electrochemical composition and the structure of the electrode, it can be known that the reaction between the internal structure of a real rechargeable battery is reversible. In theory, this reversibility will not be affected by the number of cycles.
Since charging and discharging will cause reversible changes in the volume and structure of the electrode, the internal design of the rechargeable battery must support this change.
Since a battery is only discharged once, its internal structure is much simpler and does not need to support this change.
Therefore, it is not possible to charge a battery. This approach is dangerous and uneconomical.
If you need to use it repeatedly, you should Choose a rechargeable battery with a real number of cycles of about 350. This battery can also be called a secondary battery or accumulator.
Another obvious difference is their energy and load capacity, and self-discharge rate. The energy of secondary batteries is much higher than that of primary batteries, but their load capacity is relatively small.
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Post time: Sep-15-2021
