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Talk about the characteristics of energy storage lithium batteries

Categories:emergency backup power supply
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Time of issue:2022-07-11 16:50
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(Summary description)From the perspective of application scenarios, power lithium batteries are mainly used in electric vehicles, electric bicycles and other electric power tools,

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Talk about the characteristics of energy storage lithium batteries

(Summary description)From the perspective of application scenarios, power lithium batteries are mainly used in electric vehicles, electric bicycles and other electric power tools,

Categories:emergency backup power supply
Author:
Origin:
Time of issue:2022-07-11 16:50
Views:

Information

From the perspective of application scenarios, power lithium batteries are mainly used in electric vehicles, electric bicycles and other electric power tools, while energy storage lithium batteries are mainly used in peak regulation and frequency regulation power auxiliary services, renewable energy grid-connected and microgrids. Different application scenarios have different battery performance requirements.

First of all, as a mobile power source, the power lithium battery has the highest requirements for volume (and mass) energy density under the premise of safety, so as 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.
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, the general demand for energy storage batteries to be continuously charged or continuously discharged for more than two hours, so it is appropriate to use a capacity battery with a charge-discharge rate of ≤0.5C .

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