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What is the nominal voltage of lithium-ion batteries generally?

A fully charged lithium battery may have a voltage of 4.2V or 4.3V; After discharging the lithium battery, it is likely to be 3.0V. The discharge time of lithium-ion batteries is parabolic, with rapid changes from 4.3V to 3.7V and from 3.7V to 3.0V. However, the discharge time of around 3.7V is the longest, accounting for almost three-quarters of the time. Therefore, the nominal voltage of lithium-ion batteries is 3.7V.

The voltage of a lithium-ion battery pack is determined by the electrode potential, which generally ranges from 3V to 4.2V. The electrode potential of lithium-ion batteries is about 3V, and the voltage of lithium-ion batteries varies with different materials. A typical lithium-ion battery has a rated voltage of 3.7V and a full charge voltage of 4.2V; The rated voltage of lithium iron phosphate batteries is 3.2V, and the full charge voltage is 3.65V. The potential difference between the positive and negative electrodes of practical lithium-ion batteries cannot exceed 4.2V, which is a requirement based on material and usage safety.

The nominal voltage may vary depending on the positive electrode material of lithium-ion battery packs. The nominal voltage of cobalt oxide lithium-ion batteries is 3.7V; The nominal voltage of manganese oxide lithium-ion batteries is 3.8V; The nominal voltage of lithium-ion batteries made of lithium nickel cobalt manganese ternary materials is only 3.5-3.6V, but with the continuous improvement of the formula and structure, the nominal voltage of lithium-ion batteries made of this material can reach 3.7V; The nominal voltage of lithium iron phosphate batteries is the lowest, only 3.2V. Statement: All articles published on this website are from the Internet. If there is infringement, please contact to delete.

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