Pulse current discharge test of a Li-ion

In summary, a pulse current discharge is a type of electrical discharge that occurs in short, intermittent bursts. This is often used in testing for batteries, specifically high power lithium battery cells, to better understand their electrical and thermal properties. A high fidelity electrical model with thermal dependence is commonly used in this process.
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chikou24i
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Could someone please explain to me what is the definition of a pulse current discharge, and what do we mean by pulse current discharge test ?
 
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  • #2
chikou24i said:
Could someone please explain to me what is the definition of a pulse current discharge, and what do we mean by pulse current discharge test ?
Can you post links to the reading you have been doing about this so far?
 
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  • #3
berkeman said:
Can you post links to the reading you have been doing about this so far?
This is the refference to the article that I'm working with :
Huria, Tarun, Massimo Ceraolo, Javier Gazzarri, and Robyn Jackey. "High fidelity electrical model with thermal dependence for characterization and simulation of high power lithium battery cells." In Electric Vehicle Conference (IEVC), 2012 IEEE International, pp. 1-8. IEEE, 2012.
 

1. What is a pulse current discharge test?

A pulse current discharge test is a method used to measure the capacity and performance of a lithium-ion battery. It involves applying a series of high current pulses to the battery and measuring the voltage response to determine its capacity, internal resistance, and other important parameters.

2. Why is a pulse current discharge test important for Li-ion batteries?

Li-ion batteries are commonly used in electronic devices and electric vehicles, making it crucial to ensure their safety and performance. A pulse current discharge test allows for accurate and reliable measurements of a battery's capacity and internal resistance, which can help identify potential issues and improve battery design and performance.

3. How is a pulse current discharge test performed?

A pulse current discharge test is typically performed using specialized equipment that can apply high current pulses to the battery while recording its voltage response. The test is usually conducted at different temperatures and discharge rates to simulate real-world conditions and obtain more comprehensive results.

4. What are the benefits of a pulse current discharge test?

A pulse current discharge test can provide valuable information about the performance and health of a Li-ion battery. It can help determine the battery's capacity, internal resistance, and state of charge, which are crucial for optimizing its use and identifying potential issues that may affect its performance and safety.

5. Are there any limitations to a pulse current discharge test?

While a pulse current discharge test is an important tool for evaluating Li-ion batteries, it does have some limitations. It is a time-consuming and complex process that requires specialized equipment and expertise. Additionally, the results may not always accurately reflect the battery's performance in real-world conditions, so other tests and evaluations may also be necessary.

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