A charging method, device and terminal equipment for a lithium-ion battery pack
A lithium-ion battery and charging method technology, applied in battery circuit devices, secondary battery charging/discharging, circuit devices, etc., can solve problems such as battery voltage increase, charging current increase, and affecting the service life of lithium-ion battery packs , to achieve the effect of reducing the current impact and prolonging the life
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Embodiment 1
[0038] Such as figure 1 As shown, this embodiment provides a charging method for a lithium-ion battery pack, which can be applied to terminal equipment such as an intelligent charging device for a lithium-ion battery pack, a charger for a lithium-ion battery pack, and the like. The charging method of the lithium-ion battery pack provided by the present embodiment includes:
[0039] S101. Acquire the voltage of each single cell in the lithium-ion battery pack, and compare the voltages of the individual single cells; wherein, the lithium-ion battery pack includes two or more single cells connected in series end to end.
[0040] In a specific application, the voltage of each single cell in the lithium-ion battery pack is obtained, and the voltage of each single cell in the lithium-ion battery pack is compared; wherein, the lithium-ion battery pack includes two or more Single battery.
[0041] S102. When the voltage of the single battery with the smallest voltage value is lower ...
Embodiment 2
[0066] Such as figure 2 As shown, this embodiment provides a lithium-ion battery pack charging device 100 for performing the method steps in the first embodiment. The charging device 100 of the lithium-ion battery pack provided in this embodiment includes:
[0067] The comparison module 101 is used to obtain the voltage of each single battery in the lithium-ion battery pack, and compare the voltage of each single battery; wherein, the lithium-ion battery pack includes two or more end-to-end sequentially connected Single battery;
[0068] The first charging module 102 is configured to charge the lithium-ion battery pack with a first preset constant current until the voltage of the single battery with the smallest voltage value is lower than the first preset voltage until the cell with the smallest voltage value The voltage of the single battery is greater than the first preset voltage;
[0069] The second charging module 103 is configured to charge the lithium-ion battery p...
Embodiment 3
[0083] image 3 It is a schematic diagram of a terminal device provided by an embodiment of the present invention. Such as image 3 As shown, the terminal device 3 of this embodiment includes: a processor 30, a memory 31, and a computer program 32 stored in the memory 31 and operable on the processor 30, such as a charging program for a lithium-ion battery pack. When the processor 30 executes the computer program 32, it realizes the steps in the above embodiments of the charging method for each lithium-ion battery pack, for example figure 1 Steps S101 to S106 are shown. Alternatively, when the processor 30 executes the computer program 32, it realizes the functions of the modules / units in the above-mentioned device embodiments, for example figure 2 The functions of modules 101 to 106 are shown.
[0084] Exemplarily, the computer program 32 can be divided into one or more modules / units, and the one or more modules / units are stored in the memory 31 and executed by the proc...
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