-(2)Operating principle and discharge requirements precautions for lithium-ion batteries

(2)Operating principle and discharge requirements precautions for lithium-ion batteries
author:enerbyte source:本站 click339 Release date: 2023-09-12 08:48:29
abstract:
Several points to pay attention to when discharging lithium-ion batteries: At the top of the list, the discharge current should not be too large, as excessive current can cause internal heating in the battery, which may cause permanent damage. On mobile phones, this is not a...

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Several points to pay attention to when discharging lithium-ion batteries:

At the top of the list, the discharge current should not be too large, as excessive current can cause internal heating in the battery, which may cause permanent damage. On mobile phones, this is not a problem and can be ignored.

Secondly, there must be no over discharge! Lithium ion batteries are most afraid of over discharge, and once the discharge voltage is below 2.7V, it may lead to battery scrapping. Fortunately, protective circuits have been installed inside the mobile phone batteries. If the voltage is not low enough to damage the battery, the protective circuit will come into effect and stop discharging. From the graph, it can be seen that the larger the discharge current of the battery, the smaller the discharge capacity, and the faster the voltage drop.

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Positive electrode: active substance, conductive agent, solvent, adhesive, matrix.

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