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A winding type all-solid-state supercapacitor and preparation method thereof

A supercapacitor, all-solid-state technology, used in the manufacture of hybrid/electric double-layer capacitors, hybrid boxes/casings/packages, etc., can solve the problem of high series equivalent resistance, rigidity of solid-state electrolytes that cannot be rolled, and limit the size of solid-state supercapacitors. Capacity development and other issues to overcome short lifespan, high reliability and lifespan, and improved windability

Active Publication Date: 2019-01-22
胡英 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current solid-state ionic conductivity is lower than that of liquid ions, such as Li 4 Ti 5 o 12 The conductivity is less than 10 -9 Scm -1 , so that the series equivalent resistance of solid materials is high, which restricts the development of solid supercapacitors; especially the rigidity of solid electrolytes cannot be wound, which limits the development of large capacity of solid supercapacitors

Method used

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  • A winding type all-solid-state supercapacitor and preparation method thereof
  • A winding type all-solid-state supercapacitor and preparation method thereof
  • A winding type all-solid-state supercapacitor and preparation method thereof

Examples

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Effect test

specific Embodiment 1

[0041] Such as figure 1 , figure 2 A wound-type all-solid-state supercapacitor sample AB is shown, including a bottom metal foil 1, a bottom metal foil coating 2, a top metal foil 3, a top metal foil coating 4, a winding shaft core 5, a casing 6, Conductive silver paste coating 7, electrode lead wire 8 and adhesive tape 9;

[0042] The wound supercapacitor core 10 is formed by winding the bottom metal foil 1 and the top metal foil 3 around the winding core 5 and then wrapping the tape 9. The bottom metal foil 1 is located outside the top metal foil 3, and the bottom metal foil is coated 2 is located on the upper surface of the bottom metal foil 1, and the top metal foil coating 4 is located on the upper surface of the top metal foil 3;

[0043] The top of the casing 6 is provided with a rectangular blind hole, and the winding supercapacitor core 10 is clamped in the rectangular blind hole, and the two inner sides of the rectangular blind hole corresponding to the two ends o...

specific Embodiment 2

[0067] Such as figure 1 , figure 2 A wound-type all-solid-state supercapacitor is shown, including a bottom metal foil 1, a bottom metal foil coating 2, a top metal foil 3, a top metal foil coating 4, a winding shaft core 5, a casing 6, a conductive silver Slurry coating 7, electrode lead wire 8 and adhesive tape 9;

[0068] The wound supercapacitor core 10 is formed by winding the bottom metal foil 1 and the top metal foil 3 around the winding core 5 and then wrapping the tape 9. The bottom metal foil 1 is located outside the top metal foil 3, and the bottom metal foil is coated 2 is located on the upper surface of the bottom metal foil 1, and the top metal foil coating 4 is located on the upper surface of the top metal foil 3;

[0069] The top of the casing 6 is provided with a rectangular blind hole, and the winding supercapacitor core 10 is clamped in the rectangular blind hole, and the two inner sides of the rectangular blind hole corresponding to the two ends of the w...

specific Embodiment 3

[0085] Such as figure 1 , figure 2A wound-type all-solid-state supercapacitor is shown, including a bottom metal foil 1, a bottom metal foil coating 2, a top metal foil 3, a top metal foil coating 4, a winding shaft core 5, a casing 6, a conductive silver Slurry coating 7, electrode lead wire 8 and adhesive tape 9;

[0086] The wound supercapacitor core 10 is formed by winding the bottom metal foil 1 and the top metal foil 3 around the winding core 5 and then wrapping the tape 9. The bottom metal foil 1 is located outside the top metal foil 3, and the bottom metal foil is coated 2 is located on the upper surface of the bottom metal foil 1, and the top metal foil coating 4 is located on the upper surface of the top metal foil 3;

[0087] The top of the casing 6 is provided with a rectangular blind hole, and the winding supercapacitor core 10 is clamped in the rectangular blind hole, and the two inner sides of the rectangular blind hole corresponding to the two ends of the wi...

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Abstract

The invention relates to a winding type all-solid-state super capacitor and a preparation method thereof. The winding type all-solid-state super capacitor comprises bottom layer metal foil, a bottom layer metal foil coating, top layer metal foil, a top layer metal foil coating, a winding central spindle, a shell, a conductive silver paste coating, an electrode outgoing line and adhesive tape; the bottom layer metal foil, the bottom layer metal foil coating, the top layer metal foil, the top layer metal foil coating, the winding central spindle and the adhesive tape compose a winding type super capacitor core. The preparation method of the winding type all-solid-state super capacitor comprises the steps: 1, preparing dielectric / electrolyte composite powder; 2, preparing composite powder / organic adhesive paste; 3, preparing the top layer metal foil coating; 4, preparing the bottom layer metal foil coating; 5, aligning the center of the bottom layer metal foil coating and the center of the top layer metal foil coating and leaving a margin at different sides, and preparing the winding type super capacitor core after being winded on the winding central spindle, wrapped and fixed with the adhesive tape; 6 putting the winding type super capacitor core into the shell and then packaging and drying to finish the preparation.

Description

technical field [0001] The invention relates to a supercapacitor and a preparation method thereof, in particular to a wound-type all-solid supercapacitor and a preparation method thereof. Background technique [0002] Environmental pollution and petrochemical energy are about to be exhausted, forcing people to develop new electric vehicles to effectively solve the problems of energy shortage and carbon emissions for traditional vehicles. The current mature pure electric vehicles are mainly based on lithium-ion batteries. Due to their slow charging and discharging speed (on the order of hours) and low power density, it is restricted in comparison with traditional fuel vehicles in terms of performance. Traditional supercapacitors are superior to automotive lithium-ion batteries in terms of power density, charge-discharge rate, and charge-discharge cycle times, but their energy density is much lower than that of lithium-ion batteries, making it difficult to become a vehicle pow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/78H01G11/84
CPCY02E60/13
Inventor 胡英韩强
Owner 胡英