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Soft package lithium battery pack and assembly method thereof

A technology for lithium battery packs and lithium batteries, applied in battery pack components, secondary batteries, secondary battery repair/maintenance, etc., can solve problems such as lack of performance stability, short life, complex structure, etc., and achieve easy promotion , stable performance and stable structure

Inactive Publication Date: 2018-01-16
JIANGSU SUNETECH NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a soft pack lithium battery pack and its assembly method to solve the problems of complex structure, lack of performance stability, large volume and short service life in the prior art

Method used

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  • Soft package lithium battery pack and assembly method thereof
  • Soft package lithium battery pack and assembly method thereof
  • Soft package lithium battery pack and assembly method thereof

Examples

Experimental program
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Embodiment Construction

[0027] Such as Figure 1 to Figure 3 As shown, a soft-packed lithium battery pack includes an iron box 3, a plurality of lithium battery modules 1 are detachably connected in the iron box 3, the lithium battery module 1 is provided with a power line lead-out hole 5, and a plurality of lithium battery modules 1 through the power line outlet hole 5 series / parallel connection; the iron box 3 is also equipped with a BMS component 2 and a communication interface 4 electrically connected to the BMS component 2, and the communication interface 4 is electrically connected to a power selection module located in the iron box 3 , the power selection module is used to select and switch the output voltage of the soft pack lithium battery pack.

[0028] Lithium battery module 1 is provided with matching first cover plate 10 and second cover plate 11, first cover plate 10 and second cover plate 11 are provided with nut 12 and fixing screw rod 13, first cover plate 10 and second cover plate 1...

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PUM

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Abstract

The invention provides a soft package lithium battery pack and an assembly method thereof. The soft package lithium battery pack comprises an iron box, wherein a plurality of lithium battery modules are detachably connected in the iron box, power line guide holes are formed in the lithium battery modules, the plurality of lithium battery modules are connected in series / parallel via the power lineguide holes, the iron box is also provided with a battery management system (BMS) assembly and a communication interface, the communication interface is electrically connected with the BMS assembly and is electrically connected to a power selection module, and the power selection module is arranged in the iron box and is used for selecting and switching an output voltage of the soft package lithium battery pack. The soft package lithium battery pack has the advantages of stable structure, stable performance and long service lifetime and is simple to assemble.

Description

technical field [0001] The invention belongs to the technical field of power batteries, and in particular relates to a soft pack lithium battery pack and an assembly method thereof. Background technique [0002] The soft-pack lithium battery is a battery covered with a polymer shell on the liquid lithium-ion battery. The structure is packaged with aluminum-plastic film. In the event of a safety hazard, the soft-pack battery will only burst when there is a safety hazard. Therefore, the overall safety High performance, but with the continuous development of the economy, people have put forward higher requirements for the soft-pack lithium battery pack. The existing lithium battery pack is complicated to install and the process is cumbersome, and needs to be improved. [0003] A patent for a soft-packed lithium battery pack, application number (CN201620276184.9), discloses a soft-packed lithium battery pack, including at least two single lithium batteries, the lithium battery p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/0525H01M10/42H01M50/20
CPCY02E60/10
Inventor 王吉辰许根强王鹏鲁春鹏李飞
Owner JIANGSU SUNETECH NEW ENERGY TECH CO LTD
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