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Updated: May 26, 2025

Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway
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数据驱动的离子电池可用容量的估计,基于碎片化的充电容量

Zhen Zhang1, Xin Gu1, Yuhao Zhu1

  • 1School of Control Science and Engineering, Shandong University, Jinan, China.

Communications engineering
|February 24, 2025
PubMed
概括

这项研究引入了一种新的方法,用于使用碎片化的充电数据来估计离子电池的可用容量. 这种方法通过克服不完整的充电周期的局限性来提高电动汽车的安全性和效率.

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Equivalent Capacitance01:19

Equivalent Capacitance

Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
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Continuous Charge Distributions

Imagine a bucket of water. It contains many molecules, of the order of 1026 molecules. Thus, although it contains discrete elements (molecules) at the microscopic level, macroscopically, it can be considered continuous. Small volume elements of water, infinitesimal compared to the bulk of the bucket's volume, still contain many molecules. Under this framework, quantized matter is approximated as continuous for practical purposes.
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In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
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