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Integrated high-voltage multi-stage battery, battery system and production method

A technology of multi-level battery and production method, which is applied in battery pack components, circuits, electrical components, etc., can solve the problems of low production efficiency and high battery production cost

Pending Publication Date: 2022-07-12
SANY HEAVY IND CO LTD (CN)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides an integrated high-voltage multi-stage battery, battery system and production method to solve the technical problems of high battery production cost and low production efficiency

Method used

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  • Integrated high-voltage multi-stage battery, battery system and production method
  • Integrated high-voltage multi-stage battery, battery system and production method
  • Integrated high-voltage multi-stage battery, battery system and production method

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Embodiment Construction

[0055] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0056] Combine below Figure 1 to Figure 10 The integrated high-voltage multi-level battery, battery system, and production method provided in the embodiments of the present invention are described. In this embodiment, the integrated high-voltage multi-level battery includes eight or more pole cores 11 , pole core connecting pieces 12 and a box body 13 .

[0057] Wherein, in some embodiments, the pole core 11 may...

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Abstract

The invention relates to the technical field of batteries, in particular to an integrated high-voltage multi-stage battery, a battery system and a production method. The integrated high-voltage multi-stage battery provided by the invention comprises more than or equal to 8 pole cores which are connected in series through pole core connecting sheets to form a pole core group; the pole core group is arranged in the box body, and the pole core group, the box body and an insulating material form an integrated structure through the insulating material poured in the box body; wherein the outer peripheral surface of each pole core is wrapped by an elastic material in a sealing manner, the pole core connecting piece is connected with the end part of the pole core in a sealing manner, and the pole core connecting piece at at least one end of the pole core is provided with a through hole and a sealing structure for sealing the through hole. According to the integrated high-voltage multi-stage battery, the battery system and the production method provided by the invention, the technical problems of relatively high production cost and relatively low production efficiency of the battery can be solved.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to an integrated high-voltage multi-level battery, a battery system and a production method. Background technique [0002] The battery includes a casing and a pole core arranged in the casing. In the prior art, there is a pole core with a structure of a winding core, and the winding core is formed by a winding process of stacked positive electrode sheets, separators and negative electrode sheets. Both ends of the winding core are respectively provided with a positive electrode lug and a negative electrode lug, and the positive electrode lug and the negative electrode lug are respectively drawn out from the positive electrode sheet and the negative electrode sheet. Electrolyte is injected into the casing of the battery, and the winding core is immersed in the electrolyte. [0003] In the prior art, in the battery production process, after the winding cores are formed, each winding...

Claims

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Application Information

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IPC IPC(8): H01M50/502H01M50/51H01M50/244H01M50/26H01M50/293H01M50/242H01M50/30H01M50/528
CPCH01M50/502H01M50/51H01M50/244H01M50/26H01M50/293H01M50/242H01M50/30H01M50/528Y02P70/50
Inventor 易小刚张星王书博
Owner SANY HEAVY IND CO LTD (CN)
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