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The relationship between battery internal resistance and capacity
update time:2018-07-19 hit count:617次

The relationship between battery internal resistance and capacity has two meanings:

The relationship between the internal resistance of the battery and the rated capacity, and the relationship between the internal resistance of the same type of battery and the state of charge SOC.    More than ten years ago, people tried to use the change of the internal resistance (or conductance) of VRLA batteries to detect the capacity of the battery and predict the battery life online, but they failed to do so; Higher and higher requirements, which require the battery internal resistance to be reduced as much as possible.    Therefore, this paper will further explore and clarify the internal relationship between the internal resistance and capacity of some commonly used batteries.

Valve Controlled Seal

At present, valve-regulated sealed lead-acid batteries have gradually replaced open-flow electrolyte lead-acid batteries, and are widely used in post and telecommunications power supplies, UPS, and energy storage power systems.    Power valve-regulated sealed lead-acid batteries have been widely used in electric bicycles.    These fields all require on-line detection of the state of charge of the battery.

The relationship between the internal resistance of the battery and the state of charge

The state of charge (SOC) of a battery refers to the ratio of the capacity that the battery can discharge to its rated capacity.    This data is very important for the post and telecommunications power supply system and the power battery pack in use.

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