CN211455762U

CN211455762U - Lithium battery shell with good wear-resisting effect

Info

Publication number: CN211455762U
Application number: CN202020044622.5U
Authority: CN
Inventors: 路鑫
Original assignee: Individual
Current assignee: Guangdong Huiteng 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 that wear-resisting effect is good, which comprises a housin, the casing includes first wearing layer, second wearing layer, waterproof layer, intensity layer and corrosion-resistant layer, first wearing layer is located the surface of second wearing layer, the second wearing layer is located the surface of waterproof layer. The utility model discloses used first wearing layer, the wearability of casing has been strengthened, the second wearing layer has been used, wear and tear after first wearing layer live time is too long, the second wearing layer provides the second floor protection, the waterproof layer has been used, prevent that the casing from intaking, the intensity layer has been used and traditional steel or aluminium system shell has been replaced, polyimide has high insulating properties, high flame retardant property and high temperature resistance, the life of casing has been increased, corrosion-resistant layer has been used, avoid corrosion damage, the guard ring has been set up, inside avoiding external humid air to get into the casing, it is not high to have solved current lithium battery shell life, and the not good problem of wearability.

Description

Lithium battery shell with good wear-resisting effect

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium battery shell that wear-resisting effect is good.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, the lithium metal battery is firstly proposed and researched by Gilbert N. Lewis in 1912, the chemical properties of the lithium metal are very active, so that the requirements on processing, storage, use and environment of the lithium metal are very high, the lithium battery becomes a mainstream along with the development of scientific technology, the service life of the existing lithium battery shell is short, and the wear resistance is poor, so that the lithium battery shell with a good wear-resistant effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery shell that wear-resisting effect is good possesses wear-resisting effectual advantage, has solved current lithium battery shell life not high, and the not good problem of wearability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery shell that wear-resisting effect is good, includes the casing, the casing includes first wearing layer, second wearing layer, waterproof layer, strength layer and corrosion-resistant layer, first wearing layer is located the surface of second wearing layer, the second wearing layer is located the surface of waterproof layer, the waterproof layer is located the surface of strength layer, the strength layer is located the surface of corrosion-resistant layer.

Preferably, the inner cavity of the shell is provided with a battery body, and the left side and the right side of the top of the battery body are both provided with electrodes.

Preferably, a preformed hole matched with the electrode for use is formed in the top of the shell, and a protective ring is arranged at the joint of the electrode and the preformed hole.

Preferably, the first wear-resistant layer is a polytetrafluoroethylene coating, the second wear-resistant layer is a nano ceramic particle layer, the waterproof layer is a polyethylene waterproof composite film, the strength layer is a polyimide plastic layer, and the corrosion-resistant layer is an epoxy resin layer.

Preferably, the thicknesses of the first wear-resistant layer, the second wear-resistant layer and the corrosion-resistant layer are all 25-30 μm, the thickness of the waterproof layer is 0.1-0.15 mm, and the thickness of the strength layer is 3-3.5 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses used first wearing layer, the wearability of casing has been strengthened, the second wearing layer has been used, wear and tear after first wearing layer live time is too long, the second wearing layer provides the second floor protection, the waterproof layer has been used, prevent that the casing from intaking, the intensity layer has been used and traditional steel or aluminium system shell has been replaced, polyimide has high insulating properties, high flame retardant property and high temperature resistance, the life of casing has been increased, corrosion-resistant layer has been used, avoid corrosion damage, the guard ring has been set up, inside avoiding external humid air to get into the casing, it is not high to have solved current lithium battery shell life, and the not good problem of wearability.

Drawings

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

FIG. 2 is a schematic top view of the housing of the present invention;

fig. 3 is a schematic view of the sectional structure of the housing of the present invention.

In the figure: 1. a housing; 101. a first wear resistant layer; 102. a second wear layer; 103. a waterproof layer; 104. a strength layer; 105. a corrosion-resistant layer; 2. a battery body; 3. a guard ring; 4. an electrode; 5. holes are reserved.

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 casing 1, first wearing layer 101, second wearing layer 102, waterproof layer 103, intensity layer 104, corrosion-resistant layer 105, battery body 2, guard ring 3, electrode 4 and preformed hole 5 part are the parts that universal standard spare or technical staff in the field know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a lithium battery case with good wear resistance effect includes a casing 1, a battery body 2 is disposed in an inner cavity of the casing 1, electrodes 4 are disposed on both sides of a top of the battery body 2, a preformed hole 5 used in cooperation with the electrodes 4 is disposed on the top of the casing 1, a protection ring 3 is disposed at a joint of the electrodes 4 and the preformed hole 5 to prevent external damp air from entering the casing 1, the casing 1 includes a first wear-resistant layer 101, a second wear-resistant layer 102, a waterproof layer 103, a strength layer 104 and a corrosion-resistant layer 105, the first wear-resistant layer 101 is disposed on a surface of the second wear-resistant layer 102, the second wear-resistant layer 102 is disposed on a surface of the waterproof layer 103, the waterproof layer 103 is disposed on a surface of the strength layer 104, the strength layer 104 is disposed on a surface of the corrosion-resistant layer 105, the first wear-resistant layer 101 is a teflon coating to enhance wear resistance of the casing 1, the first wear-resistant layer 101 is worn after long-term use, the second wear-resistant layer 102 provides a second layer of protection, the waterproof layer 103 is a polyethylene waterproof composite film and prevents water from entering the shell 1, the strength layer 104 is a polyimide plastic layer, polyimide has high insulating property, high flame retardant property and high temperature resistance, the service life of the shell 1 is prolonged, the corrosion-resistant layer 105 is an epoxy resin layer and avoids the corrosion damage to the shell 1, the thicknesses of the first wear-resistant layer 101, the second wear-resistant layer 102 and the corrosion-resistant layer 105 are 25-30 micrometers, the thickness of the waterproof layer 103 is 0.1-0.15 mm, the thickness of the strength layer 104 is 3-3.5 mm, and the problems that the service life of the existing lithium battery shell is not high and the wear resistance is not good are solved.

During the use, first wearing layer 101 has been used, the wearability of casing 1 has been strengthened, second wearing layer 102 has been used, wear and tear after first wearing layer 101 live time is too long, second wearing layer 102 provides the second floor protection, waterproof layer 103 has been used, prevent to intake in the casing 1, strength layer 104 has been used and has been replaced traditional steel or aluminium system shell, polyimide has high insulating properties, high flame retardant property and high temperature resistance, casing 1's life has been increased, corrosion-resistant layer 105 has been used, avoid 1 to receive the corrosion damage, guard ring 3 has been set up, avoid outside humid air to get into inside casing 1, current lithium battery shell life is not high, and the not good problem of wearability has been solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium battery shell that wear-resisting effect is good, includes casing (1), its characterized in that: the shell (1) comprises a first wear-resistant layer (101), a second wear-resistant layer (102), a waterproof layer (103), a strength layer (104) and a corrosion-resistant layer (105), wherein the first wear-resistant layer (101) is located on the surface of the second wear-resistant layer (102), the second wear-resistant layer (102) is located on the surface of the waterproof layer (103), the waterproof layer (103) is located on the surface of the strength layer (104), and the strength layer (104) is located on the surface of the corrosion-resistant layer (105).

2. The lithium battery shell with good wear resistance as claimed in claim 1, wherein: the inner cavity of the shell (1) is provided with a battery body (2), and the left side and the right side of the top of the battery body (2) are both provided with electrodes (4).

3. The lithium battery shell with good wear resistance as claimed in claim 2, wherein: the top of casing (1) is seted up and is used preformed hole (5) with electrode (4) cooperation, the junction of electrode (4) and preformed hole (5) is provided with guard ring (3).

4. The lithium battery shell with good wear resistance as claimed in claim 1, wherein: the first wear-resistant layer (101) is a polytetrafluoroethylene coating, the second wear-resistant layer (102) is a nano ceramic particle layer, the waterproof layer (103) is a polyethylene waterproof composite film, the strength layer (104) is a polyimide plastic layer, and the corrosion-resistant layer (105) is an epoxy resin layer.

5. The lithium battery shell with good wear resistance as claimed in claim 1, wherein: the thicknesses of the first wear-resistant layer (101), the second wear-resistant layer (102) and the corrosion-resistant layer (105) are all 25-30 micrometers, the thickness of the waterproof layer (103) is 0.1-0.15 mm, and the thickness of the strength layer (104) is 3-3.5 mm.