-(2)The difficulties and significance of studying the health status of lithium batteries

(2)The difficulties and significance of studying the health status of lithium batteries
author:enerbyte source:本站 click286 Release date: 2023-11-29 09:13:32
abstract:
The study of SOH in lithium-ion batteries involves internal state variables such as internal temperature, electrolyte concentration, and internal resistance in electrochemical models. However, accurate monitoring of the internal state of batteries is very difficult, and quantitative analysis o...

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The study of SOH in lithium-ion batteries involves internal state variables such as internal temperature, electrolyte concentration, and internal resistance in electrochemical models. However, accurate monitoring of the internal state of batteries is very difficult, and quantitative analysis of these state variables is necessary, which makes the problem of SOH research in batteries difficult to solve.

3. Coupling of various influencing factors

The temperature, charge and discharge rate, and discharge depth of battery operation are all factors that affect battery aging and lifespan, and these factors are common. The study of battery SOH requires decoupling of various influencing factors. However, these factors are interrelated and the decoupling conditions are difficult to control, making it difficult to conduct decoupling analysis at present.

The significance of studying the health status of lithium-ion batteries

The research on battery SOH is difficult and progress is slow, but SOH research has high value for the use, maintenance, and evaluation of batteries. It can provide a basis and reference for planning, policies, and industrial development, and is of great significance

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