Sealed connection of power lithium battery top cover electrode column and its manufacturing and assembling method

An electrode column and lithium battery technology, which is applied in battery pack parts, circuits, electrical components, etc., can solve the problems of high defect rate, poor sealing performance of electrode columns, and complicated manufacturing and assembly processes.

Inactive Publication Date: 2011-12-28
黎永康 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its purpose is to solve the problems of poor sealing of the electrode column, weak resistance to electrolyte corrosion of the sealing material, weak aging resistance, narrow range of high and low temperature impact resistance, low reliability and safety, complicated manufacturing and assembly processes, and high quality defect rate.

Method used

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  • Sealed connection of power lithium battery top cover electrode column and its manufacturing and assembling method
  • Sealed connection of power lithium battery top cover electrode column and its manufacturing and assembling method
  • Sealed connection of power lithium battery top cover electrode column and its manufacturing and assembling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The manufacturing and assembly method of the sealed connection of the electrode column of the top cover of the power lithium battery:

[0014] Each part is made separately.

[0015] Install the tapered Teflon (Teflon) sealing ring 5 on the top cover stamping part 1, the tapered electrode column 6 passes through the tapered Teflon (Teflon) sealing ring 5, and then sequentially place the tapered The Teflon (Teflon) sealing gasket 4 and the plastic gasket 3 are installed on the electrode column 6 with a tapered surface, and then locked with the lock nut 2 coated with thread lock, and passed through the electrode column 6 with a tapered surface. The taper surface acts, and the Teflon (Teflon) sealing ring 5 and the Teflon (Teflon) sealing gasket 4 with the tapered surface are tightly sealed on the plane and the hole of the top cover stamping part 1 . Assemble the other electrode column in the same way. Finally, the injection molding part 7 is injected with an injection mo...

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PUM

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Abstract

The invention discloses the sealing connection of the top cover electrode column of a power lithium battery and its manufacturing and assembling method, comprising a top cover stamping part 1, a lock nut 2, a plastic gasket 3, a Teflon sealing gasket 4 with a tapered surface, and a tapered Teflon sealing gasket 4. Teflon sealing ring 5, electrode column 6 with tapered surface, injection molding part 7. The present invention designs the electrode column 6 with a tapered surface, the Teflon sealing gasket 4 with a tapered surface, and the Teflon sealing ring 5 with a tapered surface. , when the lock nut 2 is locked, the purpose of reliable sealing of the plane and the hole is achieved. The beneficial effects obtained by adopting the above technical scheme are: excellent sealing performance, strong corrosion resistance, aging resistance, wide range of high and low temperature impact resistance, simple manufacturing and assembly process and the like.

Description

technical field [0001] The invention belongs to the field of power lithium batteries, and relates to a sealing connection of a top cover electrode column of a power lithium battery and a manufacturing and assembling method thereof. Background technique [0002] Low-carbon economy is the development trend of the global economy. China is also an active advocate of low-carbon economy. As an important pillar of low-carbon economy, the electric vehicle industry has immeasurable potential. Frost & Sullivan, a world-renowned growth consulting company, believes that the next ten years will be a critical period for China's auto industry to transform from fossil fuels to electric drive powertrains, and it will be a period of major opportunities for local electric drive powertrain suppliers. The power lithium battery is the core component of the electric drive powertrain, and its cost accounts for 50%-70% of the powertrain cost. The power lithium battery industry is facing major develo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/30H01M2/08
CPCY02E60/12Y02E60/10
Inventor 黎永康张洪
Owner 黎永康
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