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Super capacitor battery and manufacturing method thereof

A technology of supercapacitor batteries and supercapacitors, which is applied in the manufacture of hybrid capacitor electrodes, hybrid capacitor current collectors, and hybrid/electric double-layer capacitors. controllable effect

Inactive Publication Date: 2015-05-06
张彩欣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the energy density of supercapacitors is far less than that of lithium-ion batteries, which limits their applications.
At present, supercapacitors are used in conjunction with lithium-ion batteries, taking advantage of the high energy density of lithium-ion batteries and the high power density of supercapacitors. This method is relatively simple, but it is bulky and heavy

Method used

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  • Super capacitor battery and manufacturing method thereof
  • Super capacitor battery and manufacturing method thereof
  • Super capacitor battery and manufacturing method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0036] (1) Preparation of positive electrode sheet 3: Cover at least one positive electrode active layer containing positive electrode active material on the surface of positive electrode current collector 1 to make positive electrode sheet 3;

[0037] (2) Connection of the positive electrode 3: connect the positive electrode current collector 1 of the positive electrode sheet 3 to the positive electrode 9;

[0038] (3) Preparation of the negative electrode sheet 6: covering at least one negative electrode active layer containing the negative electrode active material on the surface of the negative electrode current collector 4 to make the negative electrode sheet 6;

[0039] (4) Connection of the negative electrode 10: connect the negative electrode current collector 4 of the negative electrode sheet 6 to the negative electrode 10;

[0040] (5) Encapsulation: a separator 7 is arranged between the positive electrode 3 and the negative electrode 6, and an electrolyte 8 is added...

Embodiment 1

[0044] Example 1: Such as figure 1 As shown, the positive electrode current collector 1 is aluminum foil, the surface of the positive electrode current collector 1 is covered with the first positive electrode active layer 2 containing activated carbon, the surface of the positive electrode current collector 1 is also covered with the second positive electrode active layer 12 containing cobalt acid, and the first positive electrode active layer 2 and the second positive electrode active layer 12 and do not cover different regions provided on the surface of the same positive electrode current collector 1 to make a positive electrode sheet 3 . The negative electrode current collector 4 is copper foil, the surface of the negative electrode current collector 4 covers the first negative electrode active layer 5 comprising activated carbon, the surface of the negative electrode current collector 4 also covers the second negative electrode active layer 15 comprising graphite, the fir...

Embodiment 2

[0045] Example 2: Such as figure 2 As shown, the positive electrode current collector 1 is aluminum foil, the surface of the positive electrode current collector 1 is covered with the first positive electrode active layer 2 containing activated carbon, the surface of the positive electrode current collector 1 is also covered with the second positive electrode active layer 12 containing cobalt acid, and the first positive electrode active layer 2 and the second positive electrode active layer 12 are arranged side by side and partially overlapped on the surface of the same positive electrode current collector 1 to make a positive electrode sheet 3 . The negative electrode current collector 4 is copper foil, the surface of the negative electrode current collector 4 covers the first negative electrode active layer 5 comprising activated carbon, the surface of the negative electrode current collector 4 also covers the second negative electrode active layer 15 comprising graphite,...

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Abstract

The invention relates to a super capacitor battery and a manufacturing method thereof. The super capacitor battery is composed of a positive electrode, a negative electrode, a membrane, and an electrolyte. The positive electrode is connected with a positive electrode plate, and the negative electrode is connected with a negative electrode plate. At least one of the positive electrode plate and the negative electrode plate contains both a super capacitor electrode active material and a battery electrode active material. Each electrode plate is composed of a current collector and electrode active layers covering the surface of the current collector and containing electrode active material. The super capacitor electrode active material and the battery electrode active material are at least contained in different electrode active layers on the surface of the same current collector. No coverage exists or local coverage exists between the different electrode active layers. The super capacitor battery of the invention not only has high energy density and high power density, but also is simple in process and controllable in performance.

Description

technical field [0001] The invention relates to a super capacitor battery and a manufacturing method thereof. Background technique [0002] Supercapacitors have a higher power density than lithium-ion batteries and can be quickly charged and discharged. Supercapacitors are widely used and can assist batteries as the power system of new energy vehicles, and cooperate with batteries as power systems in the field of wireless transmission. They can be used alone for solar or Energy storage system for wind power generation, or for military and other fields. However, the energy density of supercapacitors is far lower than that of lithium-ion batteries, which limits their applications. At present, supercapacitors are used in conjunction with lithium-ion batteries, taking advantage of the high energy density of lithium-ion batteries and the high power density of supercapacitors. This method is relatively simple, but it is bulky and heavy. Contents of the invention [0003] The p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/30H01G11/70H01G11/84H01G11/86
CPCY02E60/13H01G11/30H01G11/70H01G11/84H01G11/86
Inventor 张易宁
Owner 张彩欣
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