CN211455761U

CN211455761U - Lithium battery shell with anticorrosion function

Info

Publication number: CN211455761U
Application number: CN202020044037.5U
Authority: CN
Inventors: 路鑫
Original assignee: Individual
Current assignee: Hangzhou Shunxing Technology Co.,Ltd.
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-08
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a lithium battery shell with anticorrosion function, which comprises an outer shell body, the terminal is all installed to the both sides at shell body top, the louvre has been seted up to the bottom of shell body inner chamber, shell body's bottom is connected with antistatic backing through the silica gel adhesive, antistatic backing includes alkyd dope layer and acrylic coating layer, shell body's top is connected with the anticorrosive coating through the silica gel adhesive. The utility model discloses a shell body, terminal, louvre, antistatic backing, alkyd dope layer, acrylic acid dope layer, anticorrosive coating, aluminium triphosphate dope layer, polyurea dope layer and polyurethane dope layer's cooperation is used, has reached the advantage that the anticorrosion effect is good, and it is not good to have solved current lithium cell casing anticorrosion effect when using, and there is corrosive liquids often the external world, and lithium cell casing can appear damaging like this, has consequently reduced lithium cell casing life's problem.

Description

Lithium battery shell with anticorrosion function

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium battery shell with anticorrosive function.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material, and can be roughly classified into two types: lithium metal battery and lithium ion battery, lithium ion battery do not contain the lithium of metallic state to can charge, and current lithium cell casing is not good at anticorrosive effect when using, often there is corrosive liquid in the external world, and lithium cell casing can appear damaging like this, has consequently reduced lithium cell casing life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a lithium battery shell with anti-corrosion function, possess anticorrosive effectual advantage, solved current lithium battery shell anticorrosive effect when using not good, there is corrosive liquids often the external world, and lithium battery shell can appear damaging like this, has consequently reduced lithium battery shell life's problem.

(II) technical scheme

In order to realize the good purpose of the above-mentioned anticorrosive effect, the utility model provides a following technical scheme: the utility model provides a lithium battery shell with anticorrosion function, includes the shell body, the terminal is all installed to the both sides at shell body top, the louvre has been seted up to the bottom of shell body inner chamber, the bottom of shell body is connected with antistatic backing through the silica gel adhesive, antistatic backing includes alkyd dope layer and acrylic acid dope layer, the top of shell body is connected with the anticorrosive coating through the silica gel adhesive, the anticorrosive coating includes aluminium tripolyphosphate dope layer, polyurea dope layer and polyurethane dope layer.

Preferably, the alkyd coating layer is located at the top of the acrylic coating layer, and the alkyd coating layer is connected with the acrylic coating layer through a silica gel adhesive.

Preferably, the aluminum tripolyphosphate coating layer is located at the top of the polyurea coating layer and connected through a silica gel adhesive, and the polyurea coating layer is located at the top of the polyurethane coating layer and connected through a silica gel adhesive.

Preferably, the thickness of the alkyd coating layer is 0.01-0.04 mm, and the thickness of the acrylic coating layer is 0.02-0.05 mm.

Preferably, the thickness of the aluminum tripolyphosphate coating layer is 0.01-0.03 mm, the thickness of the polyurea coating layer is 0.02-0.04 mm, and the thickness of the polyurethane coating layer is 0.01-0.04 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a lithium battery shell with anti-corrosion function possesses following beneficial effect:

1. the utility model discloses a shell body, terminal, louvre, antistatic backing, alkyd dope layer, acrylic acid dope layer, anticorrosive coating, aluminium triphosphate dope layer, polyurea dope layer and polyurethane dope layer's cooperation is used, has reached the advantage that the anticorrosion effect is good, and it is not good to have solved current lithium cell casing anticorrosion effect when using, and there is corrosive liquids often the external world, and lithium cell casing can appear damaging like this, has consequently reduced lithium cell casing life's problem.

2. The utility model discloses an alkyd coating layer, alkyd coating layer are filmed and can be formed the network structure of height, and the film is bright, durable, the film is pliable and tough, adhesive force is good, the durability is strong, difficult ageing and prevent static.

3. The utility model discloses an acrylic coating layer, acrylic coating layer have chemical resistance, water proofness, alkali resistance, salt tolerance, sea water resistance, oil resistance, ageing resistance and prevent static.

4. The utility model discloses an aluminum tripolyphosphate dope layer, aluminum tripolyphosphate dope layer have extensive applicability, be difficult to in water, nontoxic and thermal stability good, still have rust-resistant, anticorrosive and fire-retardant effect simultaneously.

5. The utility model discloses a polyurea dope layer, polyurea dope layer have adhesive force strong, antifriction, hardness is strong, good thermal stability, ageing-resistant and anticorrosion.

6. The utility model discloses a polyurethane coating layer, polyurethane coating layer have superior insulating, dampproofing, anticreep, take precautions against earthquakes, dustproof, anticorrosion, performances such as anti-aging and corona resistance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the housing body of the present invention;

fig. 3 is a cross-sectional view of the antistatic layer structure of the present invention;

fig. 4 is a cross-sectional view of the corrosion protection layer structure of the present invention.

In the figure: 1. a housing body; 2. a binding post; 3. heat dissipation holes; 4. an antistatic layer; 401. an alkyd coating layer; 402. an acrylic coating layer; 5. an anticorrosive layer; 501. an aluminum tripolyphosphate coating layer; 502. a polyurea coating layer; 503. and a polyurethane coating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a shell body 1, terminal 2, louvre 3, antistatic backing 4, alkyd dope layer 401, acrylic coating layer 402, anticorrosive coating 5, aluminium triphosphate dope layer 501, polyurea dope layer 502 and polyurethane dope layer 503 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a lithium battery case with an anti-corrosion function comprises a case body 1, terminals 2 are mounted on two sides of the top of the case body 1, a heat dissipation hole 3 is formed in the bottom of an inner cavity of the case body 1, the bottom of the case body 1 is connected with an anti-static layer 4 through a silica gel adhesive, the anti-static layer 4 comprises an alkyd paint layer 401 and an acrylic paint layer 402, the alkyd paint layer 401 is located on the top of the acrylic paint layer 402, the alkyd paint layer 401 is connected with the acrylic paint layer 402 through the silica gel adhesive, the alkyd paint layer 401 has a thickness of 0.01 mm-0.04 mm, the acrylic paint layer 402 has a thickness of 0.02 mm-0.05 mm, the alkyd paint layer 401 is coated with the alkyd paint layer 401 to form a high-mesh structure, and the paint film is bright and durable, flexible, good in adhesion, strong in durability, not easy to, the acrylic coating layer 402 has chemical resistance, water resistance, alkali resistance, salt resistance, sea water resistance, oil resistance, aging resistance and static electricity resistance, the top of the shell body 1 is connected with the anticorrosive layer 5 through a silica gel adhesive, the anticorrosive layer 5 comprises an aluminum tripolyphosphate coating layer 501, a polyurea coating layer 502 and a polyurethane coating layer 503, the aluminum tripolyphosphate coating layer 501 is positioned on the top of the polyurea coating layer 502 and is connected through the silica gel adhesive, the polyurea coating layer 502 is positioned on the top of the polyurethane coating layer 503 and is connected through the silica gel adhesive, the thickness of the aluminum tripolyphosphate coating layer 501 is 0.01 mm-0.03 mm, the thickness of the polyurea coating layer 502 is 0.02 mm-0.04 mm, the thickness of the polyurethane coating layer 503 is 0.01 mm-0.04 mm, and the aluminum tripolyphosphate coating layer 501 has the advantages of wide applicability, difficult water dissolution, no toxicity, good thermal stability, and rust resistance, The polyurea coating layer 502 has strong adhesive force, friction resistance, strong hardness, good thermal stability, aging resistance and corrosion resistance, and the polyurethane coating layer 503 has excellent insulating, damp-proof, anti-leakage, shockproof, dustproof, anti-corrosion, anti-aging, corona resistance and other properties.

When the anti-corrosion coating is used, the top of the shell body 1 is connected with the anti-corrosion coating 5 through a silica gel adhesive, the anti-corrosion coating 5 comprises an aluminum tripolyphosphate coating layer 501, a polyurea coating layer 502 and a polyurethane coating layer 503, the aluminum tripolyphosphate coating layer 501 is arranged to have wide applicability, is insoluble in water, is nontoxic and good in thermal stability, and simultaneously has anti-rust, anti-corrosion and flame-retardant effects, the polyurea coating layer 502 is arranged to have strong adhesive force, friction resistance, strong hardness, good thermal stability, aging resistance and corrosion resistance, the polyurethane coating layer 503 is arranged to have excellent insulating, damp-proof, anti-leakage, shockproof, dustproof, anti-corrosion, anti-aging, corona resistance and other properties, the advantage of good anti-corrosion effect is achieved through the matching of the structures, the problem that the existing lithium battery shell is poor in anti-corrosion effect when in use and often has corrosive liquid outside is solved, and the lithium, thereby reducing the problem of the service life of the lithium battery case.

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A lithium battery case with an anticorrosion function, includes a case body (1), characterized in that: terminal (2) are all installed to the both sides at shell body (1) top, louvre (3) have been seted up to the bottom of shell body (1) inner chamber, the bottom of shell body (1) is connected with antistatic backing (4) through the silica gel adhesive, antistatic backing (4) include alkyd dope layer (401) and acrylic coating layer (402), the top of shell body (1) is connected with anticorrosive coating (5) through the silica gel adhesive, anticorrosive coating (5) include aluminium triphosphate dope layer (501), polyurea dope layer (502) and polyurethane dope layer (503).

2. The lithium battery case having a corrosion prevention function according to claim 1, characterized in that: the alkyd coating layer (401) is located on the top of the acrylic coating layer (402), and the alkyd coating layer (401) is connected with the acrylic coating layer (402) through a silica gel adhesive.

3. The lithium battery case having a corrosion prevention function according to claim 1, characterized in that: the aluminum tripolyphosphate coating layer (501) is located on the top of the polyurea coating layer (502) and connected through a silica gel adhesive, and the polyurea coating layer (502) is located on the top of the polyurethane coating layer (503) and connected through a silica gel adhesive.

4. The lithium battery case having a corrosion prevention function according to claim 1, characterized in that: the thickness of the alkyd coating layer (401) is 0.01-0.04 mm, and the thickness of the acrylic coating layer (402) is 0.02-0.05 mm.

5. The lithium battery case having a corrosion prevention function according to claim 1, characterized in that: the thickness of the aluminum tripolyphosphate coating layer (501) is 0.01-0.03 mm, the thickness of the polyurea coating layer (502) is 0.02-0.04 mm, and the thickness of the polyurethane coating layer (503) is 0.01-0.04 mm.