Aluminum-titanium super capacitor

By introducing core packs, liner paper and titanium metal negative electrode materials into the aluminum shell structure, combined with ultra-low temperature-resistant electrolyte, the problems of low capacity and unresistance of aluminum electrolytic capacitors are solved, achieving more efficient capacitance performance and better Long service life.

CN119274982APending Publication Date: 2025-01-07HUBEI MILANG XINGCHUANG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202411623385.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

The existing aluminum electrolytic capacitors have low capacitance under limited volume and have poor low temperature resistance.

Method used

The aluminum shell structure is adopted and the core pack, liner paper and guide needle are installed inside it. Titanium metal is used as the negative electrode material, combined with an electrolyte that is resistant to ultra-low temperatures, and sealed by a rubber plug to improve sealing performance.

Benefits of technology

It significantly improves the capacity and low temperature performance of the capacitor, extends the service life of the capacitor, and reduces the waste of electrolyte.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention is applicable to the technical field of electronic components, and provides an aluminum-titanium super capacitor which comprises an aluminum shell, the top surface of the aluminum shell is hollow, a core bag is arranged in the aluminum shell, liner paper is arranged between the bottom surface of the core bag and the inner bottom surface of the aluminum shell, and a plurality of guide pins are arranged on the top surface of the core bag; preferably, the top of the core package is sleeved with a rubber plug, the rubber plug seals the top of the aluminum shell, and the guide pin penetrates through the rubber plug. Preferably, the guide pin is used for leading out a wire, so that connection testing is facilitated; preferably, the liner paper is used for preventing the positive electrode and the negative electrode from being in contact with the aluminum shell to cause short circuit and storing electrolyte to provide raw materials for oxidation film repair. By adding the liner paper to the structure, selecting the titanium metal as the negative electrode material and matching with the ultralow temperature resistant electrolyte, the problems that the original conventional capacitor is low in capacity and is not resistant to low temperature are solved, and great convenience is brought to use.
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Description

Technical Field

[0001] The invention belongs to the technical field of electronic components, and in particular relates to an aluminum-titanium supercapacitor. Background Art

[0002] As the name suggests, a capacitor is a device that holds electric charge. Capacitor is one of the electronic components used in large quantities in electronic equipment. It is widely used in circuits for DC isolation, AC passing, coupling, bypassing, filtering, tuning circuits, energy conversion, and control.

[0003] The aluminum electrolytic capacitors currently on the market are made of positive aluminum material and negative aluminum material, separated by a special paper, which are immersed in a special liquid as a medium and sealed. However, the disadvantage of this product is that the capacitance is low within a limited volume and the low-temperature resistance is poor. Summary of the invention

[0004] The purpose of the present invention is to provide an aluminum-titanium supercapacitor to solve the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an aluminum-titanium supercapacitor, comprising an aluminum shell, the top surface of the aluminum shell is hollow, a core package is arranged inside the aluminum shell, a liner paper is arranged between the bottom surface of the core package and the inner bottom surface of the aluminum shell, and a plurality of guide pins are arranged on the top surface of the core package.

[0006] Preferably, a rubber plug is provided on the top of the core package, the rubber plug seals the top of the aluminum shell, and the guide needle passes through the rubber plug.

[0007] Preferably, the guide needle is used for lead-out wires to facilitate connection testing.

[0008] Preferably, the liner paper is used to prevent the positive and negative electrodes from short-circuiting with the aluminum shell, and at the same time stores electrolyte to provide raw materials for oxide film repair.

[0009] Preferably, the top side wall of the aluminum shell is formed into a sealing opening by rolling, and cooperates with the rubber plug to achieve sealing.

[0010] Preferably, the negative electrode material of the capacitor is titanium metal.

[0011] The present invention has at least the following beneficial effects:

[0012] The present invention provides an aluminum-titanium supercapacitor, which solves the problems of low capacity and low temperature resistance of the original conventional capacitor by adding liner paper to the structure, selecting titanium metal as the negative electrode material, and matching it with an ultra-low temperature resistant electrolyte, thereby greatly facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2 This is a physical picture of the product of the present invention.

[0015] In the accompanying drawings: 1, aluminum shell; 2, liner paper; 3, core package; 4, guide needle; 5, rubber plug. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] Example

[0018] See also Figure 1 and Figure 2 The present invention provides a technical solution: an aluminum-titanium supercapacitor, comprising an aluminum shell 1, the top surface of the aluminum shell 1 is hollow, a core package 3 is arranged inside the aluminum shell 1, a liner paper 2 is arranged between the bottom surface of the core package 3 and the inner bottom surface of the aluminum shell 1, a plurality of guide pins 4 are arranged on the top surface of the core package 3, a rubber plug 5 is sleeved on the top of the core package 3, the rubber plug 5 seals the top of the aluminum shell 1, and the guide pins 4 pass through the rubber plug 5.

[0019] In this embodiment, two guide pins 4 are provided, and two through holes are provided on the top of the rubber plug 5, through which the guide pins 4 pass. The guide pins 4 are used as lead wires to facilitate connection testing. The guide pins 4 are riveted on the aluminum foil to form a core pack 3, and the core pack 3 is covered with a two-hole rubber plug 5 and installed inside the aluminum shell 1. The bottom of the aluminum shell 1 is laid with a lining paper 2, and the top side wall of the aluminum shell 1 is formed into a sealing opening by rolling, and is sealed with the rubber plug 5; the lining paper 2 is used to prevent the positive and negative electrodes from contacting the aluminum shell 1 and short-circuiting, and to store electrolyte at the same time, providing raw materials for oxide film repair.

[0020] In addition, the bottom of the aluminum shell 1 of the present invention is padded with electrolytic paper, which not only fully covers the bottom of the aluminum shell 1, but also extends to cover the lower end of the inner side of the aluminum shell 1. During the aging process of the product, the electrolyte that runs onto the wall of the aluminum shell 1 will be completely absorbed by the electrolytic paper. Therefore, this part of the electrolyte can also participate in the oxide film repair work in subsequent work, which reduces the electrolysis waste and improves the capacitor life.

[0021] The present invention uses titanium metal negative electrode material to increase the negative electrode capacity per unit area. After winding, the specific capacity is increased within a limited space, thereby increasing the capacity of the overall capacitor.

[0022] The present invention selects a high-low temperature dielectric liquid, which is an electrolyte used to repair the oxide film of the capacitor during the aging process. By changing the formula and design, a better quality oxide film is formed, the capacitor performance is more stable, and the capacitor can work normally under low temperature conditions of -45°C.

[0023] The working principle and use process of the present invention: After the present invention is installed, it works according to the above implementation method until all working steps are completed.

[0024] The basic principles, main features and advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum-titanium supercapacitor, characterized in that: The invention comprises an aluminum shell (1), wherein the top surface of the aluminum shell (1) is hollow, a core bag (3) is arranged inside the aluminum shell (1), a lining paper (2) is arranged between the bottom surface of the core bag (3) and the inner bottom surface of the aluminum shell (1), and a plurality of guide pins (4) are arranged on the top surface of the core bag (3).

2. The aluminum-titanium supercapacitor according to claim 1, characterized in that: The top of the core package (3) is sleeved with a rubber plug (5), the rubber plug (5) seals the top of the aluminum shell (1), and the guide needle (4) passes through the rubber plug (5).

3. The aluminum-titanium supercapacitor according to claim 2, characterized in that: The guide pin (4) is used for leading out a wire, which facilitates connection testing.

4. The aluminum-titanium supercapacitor according to claim 3, characterized in that: The liner paper (2) is used to prevent the positive and negative electrodes from contacting and short-circuiting with the aluminum shell (1), and at the same time stores electrolyte to provide raw materials for oxide film repair.

5. The aluminum-titanium supercapacitor according to claim 4, characterized in that: The top side wall of the aluminum shell (1) is formed into a sealing opening by rolling, and cooperates with the rubber plug (5) to achieve sealing.

6. The aluminum-titanium supercapacitor according to claim 5, characterized in that: The negative electrode material of the capacitor is titanium metal.