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What are the characteristics of energy storage lithium battery

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Time of issue:2022-10-26 15:32
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(Summary description)First of all, as a mobile power source, the power lithium battery has as high a volume (and mass) energy density as possible under the premise of safety, in order to achieve a more durable battery life.

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What are the characteristics of energy storage lithium battery

Categories:solar energy battery News
Author:
Origin:
Time of issue:2022-10-26 15:32
Views:

Information

First of all, as a mobile power source, the power lithium battery has as high a volume (and mass) energy density as possible under the premise of safety, in order to achieve a more durable battery life. At the same time, users also hope that electric vehicles can be safely and quickly charged, so power lithium batteries have high requirements for energy density and power density, but due to safety considerations, energy-based batteries with a charge and discharge capacity of about 1C are generally used.

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Most energy storage installations do not need to be moved, so energy storage lithium batteries have no direct requirements for energy density. As for power density, different energy storage scenarios have different requirements. For power peak shaving, off-grid photovoltaic energy storage or user-side peak-valley price difference energy storage scenarios, it is common for energy storage batteries to be continuously charged or continuously discharged for more than two hours, so it is appropriate to use capacity batteries with a charge-discharge rate of ≤0.5C .
For the energy storage scenarios of power frequency regulation or smoothing the fluctuation of renewable energy, the energy storage battery needs to be quickly charged and discharged in the time period from seconds to minutes, so it is suitable for the application of ≥2C power batteries; For peak application scenarios, energy-based batteries are more suitable. Of course, power-based and capacity-based batteries can also be used together in this scenario.

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