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Cylindrical high-capacity supercapacitor monomer structure

A technology of supercapacitor and single structure, applied in capacitor terminals, capacitor parts, capacitor shell/package, etc., can solve the problems of package rupture, user safety hazards, short life, etc., to avoid product explosion and ensure sealing effect , the effect of low production cost

Active Publication Date: 2012-07-11
TIG TECH CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The current production technology is mainly laminated and small-capacity winding supercapacitors. In the production process of 350~5000F large-capacity supercapacitors, there are still disadvantages such as cumbersome processing technology, short life, and poor reliability, especially in high-voltage charging. In the process and high temperat

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  • Cylindrical high-capacity supercapacitor monomer structure
  • Cylindrical high-capacity supercapacitor monomer structure
  • Cylindrical high-capacity supercapacitor monomer structure

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the embodiments and with reference to the accompanying drawings.

[0025] Such as figure 1 Shown is a schematic diagram of a cross-sectional structure of a supercapacitor in a preferred embodiment. This cylindrical high-capacity supercapacitor comprises shell 4, loam cake 5, upper current collector 2, winding core 1 and lower current collector 3, and the upper end surface and the lower end surface of described winding core 1 are blank aluminum foil, and described upper end surface and The lower end surfaces are respectively connected with the upper current collector 2 and the lower current collector 3 . The lower current collector 3 is arranged on the bottom of the casing 4 and connected thereto. The upper current collector 2 is placed in the upper cover 5 and connected thereto. In this preferred embodiment, the upper current collector 2 is inserted into the upper cover 5 and directly ...

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Abstract

The invention relates to a supercapacitor, and provides a cylindrical high-capacity supercapacitor monomer structure which is used safely and convenient to process. The cylindrical high-capacity supercapacitor monomer structure comprises a shell, an upper cover, an upper current collector, a rolled core and a lower current collector, wherein blank aluminum foils are arranged on the upper end face and the lower end face of the rolled core; the upper end face and the lower end face of the rolled core are respectively connected with the upper current collector and the lower current collector; the lower current collector is arranged at the bottom of the shell and connected with the bottom of the shell; the upper current collector is inserted into the upper cover; the upper cover is connected with the shell; the upper cover is provided with a liquid injection port and a sealing device for the liquid injection port; and a planar antiexplosion valve is arranged on the shell. Due to the planar antiexplosion valve arranged on the shell, the safety of users can be guaranteed effectively, and a product is convenient to process and manufacture; furthermore, the sealing device consisting of an aluminum plug and a sealing ring sleeved on the aluminum plug is adopted in the liquid injection port, so that the sealing effect is guaranteed, and the liquid injection port is convenient to seal after being injected with liquid.

Description

technical field [0001] The invention relates to the technical field of supercapacitors, in particular to a single structure of a cylindrical large-capacity supercapacitor. Background technique [0002] Supercapacitor is a new type of energy storage device with high specific power and long life. It has extensive market demand in national strategic emerging industries including electric vehicles, new energy (wind energy, solar energy), and smart grid. [0003] The current production technology is mainly laminated and small-capacity winding supercapacitors. In the production process of 350~5000F large-capacity supercapacitors, there are still disadvantages such as cumbersome processing technology, short life, and poor reliability, especially in high-voltage charging. In processes and high temperature environments, gases are generated due to thermal evaporation, chemical and electrochemical reactions, etc. The generated gas is confined in the capacitor package, and the conf...

Claims

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Application Information

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IPC IPC(8): H01G9/08H01G9/12H01G9/008
CPCY02E60/13
Inventor 倪杰李兵吴秋菊吴永礼
Owner TIG TECH CO LTD
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