Battery bus sheet

A busbar, battery technology, applied in secondary batteries, battery pack components, circuits, etc., can solve problems such as hidden safety hazards of a single cell

Inactive Publication Date: 2018-01-26
苏州协鑫集成储能科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a battery busbar to address the potential safety hazards caused by the short circuit of a single battery cell in the prior art.

Method used

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Embodiment Construction

[0031] In order to make the purpose, technical solution and advantages of the present invention clearer, the battery bus bus sheet of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] Please refer to Figure 1-3 , the battery bus bar 100 provided in an embodiment of the present invention. A plurality of holes 102 for accommodating the battery connection portion 103 are opened on the base plate portion 101 . The substrate portion 101 is connected to the battery connection portion 103 by welding. The extension of the battery connection portion 103 is bent to form a fuse portion 105 , that is, the fuse portion 105 is a part of the battery connection portion 103 . It can be understood that, on the one hand, the bent battery connection ...

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Abstract

A battery bus sheet comprises a substrate part provided with a plurality of holes for accommodating battery connecting parts, and the battery connecting parts fixedly connected with the substrate; thebattery connecting parts are flanges formed through extending nickel sheets, and empty grooves are formed at the connections of the battery connecting parts and the substrate part; and fusing parts are arranged on the battery connecting parts and are used for cutting off a circuit. The fusing parts are directly arranged on the battery connecting parts, and the fusing parts and the empty grooves formed by the battery connecting parts and the substrate form a fusing protection structure, so no additional fusing structure is needed. The battery bus sheet has the advantages of circuit protection,simple technology and low cost.

Description

technical field [0001] The invention relates to the field of batteries, in particular to battery bus bars. Background technique [0002] In recent years, the application and development of power batteries and energy storage batteries have been rapid. Power batteries are key components of equipment such as electric vehicles. A power battery is generally composed of a battery module composed of multiple cells. Lithium-ion batteries occupy an important place in battery applications due to their mature products, stable processes, low cost, and flexible design. Lithium-ion batteries have a very high usage rate in various standardized modules, and are fully used in power batteries and energy storage batteries. In order to obtain a higher operating current, dozens or even hundreds of lithium-ion cells need to be connected through bus bars to form a combination. [0003] In the course of implementing the prior art, the applicant discovered that: [0004] There are often a large...

Claims

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Application Information

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IPC IPC(8): H01M2/26H01M2/34H01M10/613H01M10/625H01M10/654H01M10/6556H01M50/531H01M50/597
CPCY02E60/10
Inventor周辰樊仁义李文平
Owner苏州协鑫集成储能科技有限公司