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Soft-packed battery core units, soft-packed battery cores and soft-packed battery

A soft-packed battery and battery cell technology, applied in the field of soft-packed battery cells, soft-packed batteries, and soft-packed battery cell units, can solve problems such as difficulty in manufacturing soft-packed batteries, and achieve the effect of reducing the difficulty of welding and making it easier to manufacture.

Inactive Publication Date: 2018-08-03
BEIJING HYPERSTRONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above-mentioned defects in the prior art, the object of the present invention is to provide a pouch battery cell unit, a pouch battery core and a pouch battery, which can effectively solve the problem of difficult manufacture of pouch batteries in the prior art

Method used

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  • Soft-packed battery core units, soft-packed battery cores and soft-packed battery
  • Soft-packed battery core units, soft-packed battery cores and soft-packed battery
  • Soft-packed battery core units, soft-packed battery cores and soft-packed battery

Examples

Experimental program
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Effect test

Embodiment 1

[0052] figure 1 A schematic structural diagram of a pouch battery cell unit provided by an embodiment of the present invention; figure 2 A schematic structural diagram of a conductive row provided by an embodiment of the present invention; image 3 A schematic structural diagram of the first conductive row provided for an embodiment of the present invention; please refer to Figure 1-3 . This embodiment provides a pouch battery cell unit, including a first battery core 1 and a second battery core 2 arranged in parallel, and a heat conduction plate 3 is arranged between the first battery core 1 and the second battery core 2 , between the heat conduction plate 3 and the first battery core body 1 and the second battery core body 2 are provided with connectors 4 for connecting pouch battery cells in series;

[0053] Both ends of the first battery core 1 and the second battery core 2 are respectively provided with a positive tab and a negative tab, wherein the negative tab of t...

Embodiment 2

[0064] Figure 4 A schematic diagram of the structure of the pouch battery core provided by an embodiment of the present invention; please continue to refer to Figure 1-4 . This embodiment provides a pouch battery cell 100, which includes a plurality of pouch battery cell units as described in Embodiment 1, wherein the positive tabs and negative tabs of adjacent pouch battery cell units are connected through conductive bars . The conductive row is the same as the conductive row 5 in the pouch battery core, that is, the conductive row also includes a first conductive row 51 and a second conductive row 52 that are fixedly connected. Bend. When connecting, set a conductive bar between the positive electrode or negative electrode of one of the pouch battery cores and the negative electrode or positive electrode of the adjacent pouch battery core, so that the copper bar in the conductive bar is welded to the negative tab Fixed, the aluminum row and the positive tab are welded ...

Embodiment 3

[0070] Figure 5 For the schematic structural diagram of the pouch battery provided by an embodiment of the present invention, please refer to Figure 5. This embodiment provides a pouch battery, including a casing and a pouch battery cell 100 disposed in the casing, wherein the pouch battery cell 100 adopts the pouch battery cell 100 described in the second embodiment above.

[0071] The pouch battery provided in this embodiment connects the positive tabs and negative tabs of adjacent pouch battery cell units through the conductive bar 5. The conductive bar 5 includes a first conductive bar 51 and a second conductive bar 52 that are fixedly connected. Both the conductive bar 51 and the second conductive bar 52 include a body and a bent portion disposed on the upper end of the body, and the bent portion extends above the tab. Connect the upper end of the negative tab to the bent portion of the first conductive row 51, and connect the upper end of the positive tab to the bent...

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PUM

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Abstract

The invention provides soft-packed battery core units, soft-packed battery cores and a soft-packed battery. Positive electrode lugs and negative electrode lugs of adjacent battery core bodies are connected through conductive bars. The conductive bars include a first conductive bar and a second conductive bar which are fixedly connected; the first conductive bar and the second conductive bar each include a body and a bending part arranged at the upper end of the body, and the bending parts extend to the upper side of the electrode lugs. The upper end of each negative electrode lug is connectedwith the bending part of the first conductive bar, and the upper end of each positive electrode lug is connected with the bending part of the second conductive bar, so that the upper ends of the electrode lugs can be welded with the conductive bars, the welding difficulty of the electrode lugs and the conductive bars is reduced and the soft-packed battery is easier to manufacture.

Description

technical field [0001] The invention relates to lithium ion material battery technology, in particular to a soft pack battery core unit, a soft pack battery core and a soft pack battery. Background technique [0002] With the improvement of people's living standards, people's demand for cars is increasing. However, due to the depletion of oil resources, the auto industry is facing changes. The world is vigorously developing new energy vehicles. Among them, hybrid vehicles / electric vehicles are It is a mainstream model among many new energy vehicles. Batteries are the power source of hybrid electric vehicles / electric vehicles. In recent years, due to the advantages of high energy, long cycle life, no pollution, and no memory effect, lithium-ion soft-pack batteries have gradually replaced lead-acid batteries and nickel-metal hydride batteries. Battery usage for HEV / EV. [0003] Lithium-ion pouch batteries are mainly composed of pouch battery cells and external protection par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/20H01M10/0525H01M10/613H01M10/625H01M10/6554H01M50/503H01M50/516
CPCH01M10/0525H01M10/613H01M10/625H01M10/6554H01M50/502Y02E60/10
Inventor 祁鹏飞王鸿亮聂东旭冯攀黄雄
Owner BEIJING HYPERSTRONG TECH