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Battery assembly method and device

A technology for battery assembly and battery assembly, which is used in lithium batteries, battery assembly machines, and secondary battery manufacturing. It can solve problems such as short service life, poor battery performance, and inability to respond to changes in battery performance. effect of life

Pending Publication Date: 2021-04-09
YINLONG ENERGY CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The embodiment of the present invention provides a battery assembly method and device, to at least solve the problem of combining batteries through technical parameters in related technologies, which can only reflect the static performance of the battery and cannot reflect changes in battery performance during charging and discharging. Technical issues leading to poor performance and shorter service life of battery packs

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  • Battery assembly method and device
  • Battery assembly method and device

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part 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 shall fall within the protection scope of the present invention.

[0024] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a battery assembly method and device. The method comprises the following steps: collecting grouping parameters of a plurality of to-be-assembled batteries at a plurality of time points in a charging and discharging process; and selecting the to-be-assembled battery of which the grouping parameters at the plurality of time points meet the corresponding grouping standards for assembling, and independently setting the corresponding grouping standards for the grouping parameters at the plurality of time points. According to the invention, the technical problems of poor battery assembly performance and short service life due to the fact that only the static performance of the battery can be reflected and the change of the performance of the battery in the charging and discharging process cannot be reflected in a mode of matching the batteries through technical parameters in the prior art are solved.

Description

technical field [0001] The present invention relates to the field of battery assembly, in particular to a battery assembly method and device. Background technique [0002] Lithium batteries have been used as mainstream batteries in the fields of electric vehicles and energy storage due to their advantages such as high specific energy, long life, and wide operating range. However, the parameters such as voltage and capacity of a single lithium battery cannot meet the application requirements. After being assembled into a battery pack, it can be used in related fields. [0003] Before battery assembly, it is necessary to screen out batteries (matching packs) with similar performances to avoid the impact of the short board effect on the life and performance of the battery pack. [0004] Conventional technical parameter matching is based on the charging and discharging terminal parameters, and it is impossible to screen out batteries with consistent performance during the charg...

Claims

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Application Information

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IPC IPC(8): H01M10/058H01M10/04H01M10/052B07C5/344
CPCB07C5/344H01M10/0404H01M10/052H01M10/058Y02E60/10Y02P70/50
Inventor 王俊朋房华禹王维
Owner YINLONG ENERGY CO LTD
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