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Maintainable lithium-ion battery and maintenance method thereof

A lithium-ion battery and battery technology, which is applied in the repair/maintenance of secondary batteries, secondary batteries, battery pack components, etc., can solve the problems of waste of power battery packs, batteries that cannot be maintained, etc., and achieve cost savings and effective utilization , the effect of improving performance

Inactive Publication Date: 2010-02-03
林道勇 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The seal of the traditional lithium-ion battery is irreversible, so the existing lithium-ion battery cannot be maintained. Once the battery has a problem, it can only be scrapped, especially for the power battery pack, which will cause great waste.

Method used

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  • Maintainable lithium-ion battery and maintenance method thereof
  • Maintainable lithium-ion battery and maintenance method thereof
  • Maintainable lithium-ion battery and maintenance method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like figure 1 As shown, the schematic diagram of the first embodiment of a maintainable lithium-ion battery provided by the present invention, the maintainable lithium-ion battery includes: a battery cell 1, a packaging bag 2, and the packaging bag 2 is sealed around, generally using an aluminum-plastic composite film bag, the battery core 1 is sealed in the packaging bag 2, and a positive and negative electrode connector 3 is left on the side of the packaging bag. As the positive and negative electrodes of the lithium ion battery, the side of the battery packaging bag 2 is also provided with Passage 4, the opening at the outer end of the packaging bag on the passage 4 is sealed in an openable manner: a hollow tube 5 is arranged at the opening at the outer end of the packaging bag on the passage 4, and the material of the hollow tube 5 is the same as that of the packaging bag. 2, the inner layer is made of the same material, which is convenient for sealing the connectio...

Embodiment 2

[0052] like image 3 As shown, the structure schematic diagram of the second embodiment of a maintainable lithium-ion battery provided by the present invention, the structure of the maintainable lithium-ion battery is the same as that of the lithium-ion battery in the first embodiment above, the difference is: An air bag 7 is connected to the opening on the channel 4 at the outer end of the packaging bag, and the air bag 7 communicates with the channel 4 and seals it. When the lithium-ion battery needs to be maintained, in a dry environment, an opening is cut on the outside of the airbag 7, and the maintenance operation of the lithium-ion battery is completed through the opening. After the maintenance operation is completed, the opening of the airbag 7 can be sealed again.

[0053] like Figure 4 As shown, the block diagram of Embodiment 2 of the maintenance method for a maintainable lithium-ion battery provided by the present invention includes the following steps:

[0054]...

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Abstract

The invention relates to a maintainable lithium-ion battery and a maintenance method thereof. The maintainable lithium-ion battery comprises a battery cell and a packaging bag, wherein the battery cell is sealed in the packaging bag, a positive and negative connector are left at a side edge of the packaging bag, a channel is also arranged on the lateral side of the packaging bag, and the opening which is positioned at one end of the external side of the packaging bag is sealed in an open manner. The maintenance method of the lithium-ion battery is as follows: discharging the air in the batteryby the channel, adding electrolyte for the battery, vacuuming the battery and the like. The maintainable lithium-ion battery and the maintenance method provided by the invention can effectively improve the performance of lithium-ion batteries and are beneficial for making full use of the lithium-ion battery; in addition, the operation is simple, and the cost is saved.

Description

technical field [0001] The invention relates to a soft-packaged lithium-ion battery, in particular to a maintainable soft-packaged lithium-ion battery. Background technique [0002] Since the successful development of lithium-ion batteries in the 1990s, they have been widely used in electronic appliances such as mobile phones, digital cameras, and notebook computers due to their advantages such as high energy, long cycle life, high working voltage, and no pollution. , and gradually expand to the application fields of large-capacity power lithium-ion batteries such as electric bicycles, electric vehicles, and backup power supplies. Lithium-ion batteries can be divided into two types according to the packaging form of the battery case, one is hard-packed lithium-ion batteries, usually packed in steel shells, aluminum shells, and plastic shells; the other is soft-packed lithium-ion batteries, usually packed in soft aluminum-plastic shells. Composite film packaging is also divi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/36H01M10/40H01M10/42H01M2/12H01M2/36
CPCY02E60/12Y02E60/10
Inventor 林道勇
Owner 林道勇
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