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Method, device and system for assembling electric cores of power batteries

A power battery and assembly method technology, which is applied to battery circuit devices, circuit devices, secondary batteries, etc., can solve problems such as low equilibrium efficiency, large differences in battery assembly, and energy waste

Active Publication Date: 2019-09-20
SVOLT ENERGY TECHNOLOGY CO LTD
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Problems solved by technology

[0004] Although the structure of passive equalization is simple and easy to control and implement, it has the disadvantages of energy waste and low equalization efficiency.
At present, when batteries are assembled into groups, active equalization can be carried out by cell classification or cell matching. The implementation of cell classification is relatively simple, but the difference between battery assemblies is large; It can improve the consistency of the single cell, but it will reduce the utilization rate of the cell

Method used

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  • Method, device and system for assembling electric cores of power batteries
  • Method, device and system for assembling electric cores of power batteries
  • Method, device and system for assembling electric cores of power batteries

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Embodiment Construction

[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0059] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances ...

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Abstract

The invention provides a method, device and system for assembling electric cores of power batteries. The method comprises the steps of acquiring multiple standard electric cores; acquiring parameters of the standard electric cores and data values corresponding to the parameters; judging whether the data values meet preset conditions or not; and if the data values meet the preset conditions, carrying out module assembly on the standard electric cores corresponding to the parameters. The consistency of each single electric core when batteries are assembled into a pack is improved. Meanwhile, the cost of battery assembly is reduced, the risks such as overcharge or overdischarge in equalization are reduced, the reliability and safety of equalization are improved, and the performance of the combined batteries is greatly improved.

Description

technical field [0001] The invention relates to the technical field of battery control, in particular to a method, device and system for assembling power battery cells. Background technique [0002] With the rapid development of the new energy industry, the large-scale application of power battery packs as energy storage systems has become an important development direction of new energy. Therefore, in order to obtain higher voltage and higher power, it is necessary to assemble multiple single cells into a battery pack. Due to certain differences in the initial performance of each single cell, the energy utilization rate of the battery is greatly reduced. [0003] In order to reduce the difference of single cells in the battery pack, battery equalization is used to keep the voltage or voltage deviation of the battery cells within the expected range, so as to ensure that the single cells maintain the same state during normal use. Battery balancing can be divided into active ...

Claims

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Application Information

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IPC IPC(8): H01M10/42
CPCH01M10/4207H01M10/4257H01M2010/4271Y02E60/10
Inventor 阳飞贾智军魏海潮
Owner SVOLT ENERGY TECHNOLOGY CO LTD
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