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Battery module

A battery module and protection circuit module technology, which is applied in the direction of batteries, secondary batteries, battery pack components, etc., can solve the problems of increasing battery module size, component loss, and battery module manufacturing cost increase

Pending Publication Date: 2020-07-21
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the battery cells are coupled to the battery management unit by welding, in the event of a welding defect occurring between the battery cells and the battery management unit, the entire battery module including the battery cells must be scrapped.
As a result, component loss occurs, and the manufacturing cost of the battery module increases
In addition, since it is necessary to provide the battery protection module with soldering pads necessary for the soldering process, there is a problem that the size of the battery module corresponding to the size of the portion occupied by the soldering pads is increased.
In addition, there are problems in that separate welding equipment is required to perform welding between the battery cell and the battery management unit, and welding conditions must be continuously managed

Method used

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Embodiment Construction

[0024] Hereinafter, a battery module according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0025] Such as figure 1 and 2 As shown, the battery module according to the first embodiment of the present invention may include: a battery unit 100 having a pair of electrode terminals 110; a protection circuit module 200 connected to the battery unit 100; a battery management unit 300 connected to the protection circuit module 200 and a connection unit 400 configured to detachably connect the protection circuit module 200 and the battery management unit 300 to each other.

[0026] The battery cell 100 is manufactured by stacking a plurality of electrode plates with a separator interposed therebetween, and welding a plurality of electrode tabs to the plurality of electrode plates respectively to form an electrode assembly, and then wrapping the electrode assembly In an aluminum bag to seal.

[0027] The protec...

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Abstract

A battery module according to an embodiment of the present invention may comprise: a battery cell; a protection circuit module integrally coupled to the battery cell and integrally provided with a thermal insulation element; a battery management unit connected to the protection circuit module; and a connection unit detachably connecting the protection circuit module and the battery management unit.

Description

technical field [0001] This application claims the benefit of priority from Korean Patent Application No. 2018-0140382 filed on November 15, 2018, the disclosure of which is hereby incorporated by reference in its entirety. [0002] The invention relates to a battery module. Background technique [0003] Recently, as the demand for portable electronic devices such as notebook computers, smartphones, and tablet computers has increased, high-performance secondary batteries capable of repeated charging and discharging have been actively researched. [0004] Furthermore, secondary batteries have been widely used in medium or large devices such as vehicles, robots, and satellites, as well as small devices such as portable electronic devices. In particular, with the depletion of fossil fuels and increasing concerns about environmental pollution, research on hybrid vehicles and electric vehicles is actively being conducted. The most important part of a hybrid or electric vehicle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42H01M2/34H01M2/02H01M2/10H01M50/119H01M50/202H01M50/211H01M50/284
CPCY02E60/10H01M10/4207H01M10/425H01M2010/4271H01M2200/103H01M50/105H01M50/211H01M50/519H01M50/581H01M50/569H01M50/284H01M50/202H01M50/119H01M50/572H01M50/258
Inventor 权宰国金真燮宋锡镇
Owner LG ENERGY SOLUTION LTD
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