Monomer super capacitor with low-temperature injection molding shell

Abstract

The utility model discloses a single super capacitor with a low-temperature injection molding shell, relates to the technical field of super capacitors, and aims to solve the technical problem of liquid leakage. According to the technical scheme, the capacitor is characterized by comprising a single capacitor body, a low-temperature injection molding shell wrapping the outer surface of the single capacitor body is formed on the surface of the single capacitor body through low-temperature injection molding, and the single capacitor body comprises an aluminum shell, a battery cell, two leads and an end cover; the top and the bottom of the outer side wall of the circumference of the aluminum shell are recessed inwards in the circumferential direction of the aluminum shell to form an upper annular groove and a lower annular groove. The utility model aims to provide a single super capacitor with a low-temperature injection molding shell.

Description

Technical Field

[0001] The utility model relates to the technical field of super capacitors, and more specifically, to a single super capacitor with a low-temperature injection-molded shell. Background Art

[0002] Supercapacitors are a type of capacitor with higher capacity than traditional capacitors. They are mainly composed of electrode materials, diaphragms, electrolytes and shells. After the electrode sheets and diaphragms are wound into a battery core, they are impregnated with electrolytes and packaged in aluminum shells to assemble into capacitors. They mainly store energy through the formation of a double charge layer at the interface between electrodes and electrolytes. They have the advantages of long cycle life, high power density and wide temperature range. They are widely used in electric toys, smart three-meters, consumer electronics, automotive electronics and other fields.

[0003] The sealing of existing supercapacitors is not high enough, and some electrolytes can still seep out. Leakage will seriously affect the electrical performance and life of the supercapacitor and even cause damage to the equipment using it.

[0004] Therefore, a new technical solution is urgently needed to solve the above technical problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a single supercapacitor with a low-temperature injection-molded housing.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a single-body supercapacitor with a low-temperature injection molded shell, including a capacitor monomer, the surface of the capacitor monomer is formed by low-temperature injection molding to have a low-temperature injection molded shell covering the outer surface of the capacitor monomer, the capacitor monomer includes an aluminum shell, a battery core, two leads and an end cover, and the top and bottom of the circumferential outer side wall of the aluminum shell are recessed inward along its circumferential direction to form an upper annular groove and a lower annular groove.

[0007] By adopting the above technical solution, low-temperature injection molding is performed on the outer surface of the capacitor monomer to form a low-temperature injection-molded shell covering the outer surface of the aluminum shell and the end cover, thereby effectively improving the sealing of the capacitor monomer, thereby effectively reducing the occurrence of leakage, thereby improving the service life of the supercapacitor, and by providing an upper annular groove and a lower annular groove, the stability of the low-temperature injection-molded shell between the aluminum shell after injection molding is improved, thereby improving the stability of the final product of the supercapacitor, thereby ensuring its final cost quality.

[0008] The utility model is further configured as follows: the low-temperature injection-molded shell completely covers the surface of the capacitor monomer, and the lead wire passes through the top of the low-temperature injection-molded shell.

[0009] The utility model is further configured as follows: an annular wire mesh is sleeved on the surface of the aluminum shell between the upper annular groove and the lower annular groove.

[0010] The utility model is further configured as follows: the low-temperature injection-molded shell is coated on the bottom of the capacitor monomer.

[0011] The utility model is further configured as follows: the circumferential outer side wall of the aluminum shell is inwardly recessed to form a plurality of vertically arranged grooves, the top ends of the grooves are located below the upper annular groove, and the bottom ends thereof are flush with the bottom of the low-temperature injection molded shell.

[0012] The utility model has the following beneficial effects: by performing low-temperature injection molding on the outer surface of the capacitor monomer and forming a low-temperature injection molded shell covering the outer surface of the aluminum shell and the end cover, the sealing of the capacitor monomer is effectively improved, thereby effectively reducing the occurrence of leakage, thereby improving the service life of the supercapacitor, and by providing an upper annular groove and a lower annular groove, the stability of the low-temperature injection molded shell between the aluminum shell after injection molding is improved, thereby improving the stability of the final product of the supercapacitor, thereby ensuring its final cost quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the first embodiment;

[0014] Figure 2 This is a schematic diagram of the capacitor monomer structure of the first embodiment;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the second embodiment;

[0016] Figure 4 This is a schematic diagram of the capacitor monomer structure of the second embodiment.

[0017] Description of the drawings: 1. Capacitor monomer; 101. Aluminum shell; 102. Lead wire; 103. End cover; 2. Low-temperature injection molded shell; 3. Upper annular groove; 4. Lower annular groove; 5. Annular wire mesh; 6. Groove. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively. Specific embodiment one:

[0021] As shown in the figure, a single-cell supercapacitor with a low-temperature injection molded shell includes a capacitor monomer 1. The surface of the capacitor monomer is formed by low-temperature injection molding with a low-temperature injection molded shell 2 covering the outer surface of the capacitor monomer. The capacitor monomer includes an aluminum shell 101, a battery core (not shown in the figure), two leads 102 and an end cover 103. The top and bottom of the circumferential outer wall of the aluminum shell are recessed inward along the circumferential direction to form an upper annular groove 3 and a lower annular groove 4.

[0022] By performing low-temperature injection molding on the outer surface of the capacitor monomer 1 and forming a low-temperature injection molded shell 2 that covers the outer surfaces of the aluminum shell 101 and the end cover 103, the sealing of the capacitor monomer 1 is effectively improved, thereby effectively reducing the occurrence of leakage, thereby increasing the service life of the supercapacitor, and by providing an upper annular groove 3 and a lower annular groove 4, the stability of the low-temperature injection molded shell 2 between the aluminum shell 101 after injection molding is improved, thereby improving the stability of the final product of the supercapacitor, thereby ensuring its final cost quality.

[0023] The low-temperature injection molded shell 2 is completely covered on the surface of the capacitor monomer 1, and the lead 102 passes through the top of the low-temperature injection molded shell 2. The surface of the aluminum shell is located between the upper annular groove 3 and the lower annular groove 4 and is sleeved with an annular wire mesh 5. By setting the annular wire mesh 5, the stability between the low-temperature injection molded shell 2 and the aluminum shell 101 after molding is further improved. Specific embodiment 2:

[0025] As shown in the figure, different from the specific embodiment 1, the low temperature injection molded shell 2 is coated on the top of the capacitor monomer. While ensuring the sealing effect of the bottom of the super capacitor, the cost of raw materials for low temperature injection molding is reduced. The circumferential outer wall of the aluminum shell 101 is recessed inward to form a plurality of vertically arranged grooves 6, the top of the groove 6 is located below the upper annular groove 3, and the bottom height thereof is flush with the bottom of the low temperature injection molded shell 2.

[0026] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A single supercapacitor with a low-temperature injection molded housing, characterized in that: The invention comprises a capacitor monomer (1), the surface of the capacitor monomer (1) is formed by low-temperature injection molding with a low-temperature injection molded shell (2) covering the outer surface of the capacitor monomer (1), the capacitor monomer (1) comprises an aluminum shell (101), a battery core, two lead wires (102) and an end cover (103), and the top and bottom of the circumferential outer side wall of the aluminum shell (101) are recessed inwardly along the circumferential direction to form an upper annular groove (3) and a lower annular groove (4).

2. A single supercapacitor having a low-temperature injection molded housing (2) according to claim 1, characterized in that: The low-temperature injection-molded shell (2) completely covers the surface of the capacitor monomer (1), and the lead wire (102) passes through the top of the low-temperature injection-molded shell (2).

3. A single supercapacitor with a low-temperature injection-molded housing (2) according to claim 2, characterized in that: An annular wire mesh (5) is sleeved on the surface of the aluminum shell (101) between the upper annular groove (3) and the lower annular groove (4).

4. A single supercapacitor with a low-temperature injection-molded housing (2) according to claim 1, characterized in that: The low-temperature injection-molded housing (2) is coated on the top of the capacitor monomer (1).

5. A single supercapacitor with a low-temperature injection-molded housing (2) according to claim 4, characterized in that: The circumferential outer wall of the aluminum shell (101) is recessed inward to form a plurality of vertically arranged grooves (6), the top of the groove (6) is located below the upper annular groove, and the bottom of the groove (6) is flush with the bottom of the low-temperature injection molded shell (2).

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