Does Battery Capacity depend on Internal Resistance?

In summary, internal resistance has a direct effect on battery capacity and performance. As internal resistance increases, the voltage output decreases, leading to a decrease in capacity and overall lifespan. While it cannot be completely eliminated, it can be reduced through the use of higher quality materials and design improvements. Temperature also plays a significant role in internal resistance, with higher temperatures causing an increase in resistance and potential damage to the battery. Additionally, different types of batteries have varying levels of internal resistance, with lithium-ion batteries having lower resistance compared to lead-acid batteries due to differences in composition and design.
  • #1
jkkim008
1
0
Just like the title, does battery capacity depend on internal resistance?

I know it does depend on the temperature and the chemical structure of the battery,

but does it also depend on internal resistance?

If so, how dependent are batteries on internal resistance?

Also, what is the relationship between them?
(If there is a formula, please tell me)
 
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  • #2
Yes, there are relation between battery capacity or discharge curve and its internal resistance. For more information you can refer to DC Systems Riddle No.1 from http://electrical-riddles.com
 

1. Does battery capacity decrease with increasing internal resistance?

Yes, battery capacity is directly affected by internal resistance. As internal resistance increases, the voltage output of the battery decreases, resulting in a decrease in the overall capacity of the battery.

2. How does internal resistance affect the performance of a battery?

Internal resistance can negatively impact the performance of a battery by causing a decrease in voltage output, which can lead to a decrease in the battery's capacity and overall lifespan. It can also cause the battery to heat up, reducing its efficiency.

3. Can internal resistance be reduced to increase battery capacity?

While it is not possible to completely eliminate internal resistance, it can be reduced through the use of higher quality materials and design improvements. This can help to increase the capacity and efficiency of the battery.

4. How does temperature affect the internal resistance of a battery?

Temperature can have a significant impact on the internal resistance of a battery. As temperature increases, internal resistance also increases, resulting in a decrease in the battery's performance and capacity. Extreme temperatures can also cause permanent damage to the battery.

5. Is there a relationship between internal resistance and the type of battery?

Yes, different types of batteries have varying levels of internal resistance. For example, lithium-ion batteries typically have lower internal resistance compared to lead-acid batteries. This is due to differences in their chemical composition and design.

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