CN218513487U

CN218513487U - Energy storage structure of coating covering formula

Info

Publication number: CN218513487U
Application number: CN202221885525.4U
Authority: CN
Inventors: 陈浩峰; 梁向龙; 吴传官
Original assignee: Dongguan Langtaitong Technology Co ltd
Current assignee: Dongguan Langtaitong Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-02-21
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a coating covering type energy storage structure, which comprises an anode layer, a cathode layer and a solid electrolyte coated between the anode layer and the cathode layer; the positive pole layer includes anodal mass flow body, anodal coating and anodal diaphragm, and the coating has anodal coating on the one side of anodal mass flow body, and anodal coating coats and has anodal diaphragm, and the negative pole layer includes negative pole mass flow body, negative pole coating and negative pole diaphragm, and the coating has negative pole coating on the one side of negative pole mass flow body, and negative pole coating coats and has negative pole diaphragm, and solid-state electrolyte coats between anodal diaphragm and the negative pole diaphragm. Compared with the prior art, its mode through coating cover for the adaptation plane area occupied that the battery can be better is big, highly occupies little use scene, has reduced battery mounting plane's roughness requirement simultaneously, and the outer cladding of battery and utmost point ear are replaced with the negative pole mass flow body to the positive pole mass flow body of rethread, have reduced the manufacturing cost of battery.

Description

Energy storage structure of coating covering formula

[ technical field ] A method for producing a semiconductor device

The utility model relates to a battery technology field especially relates to a coating overlay type's energy storage structure.

[ background of the invention ]

New energy has become an important energy source for sustainable development. At present, energy such as light energy, heat energy, kinetic energy and the like is mainly converted into electric energy through energy conversion to be stored and used. In the prior art, the energy storage mode is usually to store energy in a fixed size and fixed shape of the cell structure, and the use of the cell structure of the energy storage mode is limited by space and flatness of the installation plane, and cannot well meet the use requirements of large-area and small-height occupied use scenes such as wall surfaces, ceilings, building structures and the like.

Accordingly, there is a need for a coating-covered energy storage structure that overcomes the deficiencies of the prior art.

[ Utility model ] content

The utility model aims at providing a coating covering type energy storage structure, which comprises a positive electrode layer, a negative electrode layer and a solid electrolyte coated between the positive electrode layer and the negative electrode layer; the positive pole layer includes anodal mass flow body, anodal coating and anodal diaphragm, the coating has anodal coating on the one side of anodal mass flow body, anodal coating is kept away from the one side of anodal mass flow body coats and is stamped anodal diaphragm, the negative pole layer includes negative pole mass flow body, negative pole coating and negative pole diaphragm, the coating has negative pole coating on the one side of negative pole mass flow body, the negative pole coating is kept away from the one side of negative pole mass flow body coats and is stamped negative pole diaphragm, solid-state electrolyte coat in anodal diaphragm with between the negative pole diaphragm, anodal mass flow body is kept away from the one side of anodal diaphragm is anodal ear, the negative pole mass flow body is kept away from the one side of negative pole diaphragm is negative pole ear.

In a preferred embodiment, the projected area of the negative electrode current collector is larger than the projected area of the positive electrode current collector.

In a preferred embodiment, a surface of the positive electrode current collector away from the positive electrode separator and a surface of the negative electrode current collector away from the negative electrode separator have adhesiveness.

In a preferred embodiment, a positive blank part surrounding the positive coating layer is arranged on one surface of the positive current collector close to the positive diaphragm, a negative blank part surrounding the negative coating layer is arranged on one surface of the negative current collector close to the negative diaphragm, and the positive blank part and the negative blank part are filled with an insulator and are bonded with each other.

In a preferred embodiment, the size of the projected area of the positive electrode current collector and the size of the projected area of the negative electrode current collector are both extendable according to magnification.

Compared with the prior art, the beneficial effects of the utility model reside in that: it is through the mode that the coating covers for the adaptation plane area occupied that the battery can be better is big, highly occupies little use scene, has reduced the roughness requirement on battery mounting plane simultaneously, and the outer cladding of battery and utmost point ear are replaced with the negative pole mass flow body to the anodal mass flow body of rethread, have reduced the manufacturing cost of battery.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a perspective view of a coating-covered energy storage structure.

Fig. 2 is an exploded view of a coating-covered energy storage structure.

[ detailed description ] A

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the description of the preferred embodiments is intended to be illustrative of the invention and is not intended to limit the invention.

Referring to fig. 1 to 2, the present invention provides a coating-covering energy storage structure 100, which mainly solves the problem that the battery cell structure is affected by the flatness of the installation plane when the battery cell structure occupies a larger and smaller usage scene, such as the surface of a wall, a ceiling, and a building structure, and the battery cell structure has a large magnification and a long circulation.

In an embodiment of the present invention, the energy storage structure 100 includes a positive electrode layer 10, a negative electrode layer 20, and a solid electrolyte 30 coated between the positive electrode layer 10 and the negative electrode layer 20. Specifically, positive pole layer 10 includes anodal mass flow body 11, anodal coating 12 and anodal diaphragm 13, it has anodal coating 12 to coat on anodal mass flow body 11's the one side, anodal coating 12 keeps away from anodal mass flow body 11's the one side and coats and has anodal diaphragm 13, negative pole layer 20 includes negative pole mass flow body 21, negative pole coating 22 and negative pole diaphragm 23, it has negative pole coating 22 to coat on negative pole mass flow body 21's the one side, negative pole coating 22 keeps away from negative pole mass flow body 21's the one side and coats and has negative pole diaphragm 23, solid-state electrolyte 30 coats between anodal diaphragm 13 and negative pole diaphragm 23, anodal mass flow body 11 keeps away from anodal diaphragm 13's the one side and is anodal ear, negative pole mass flow body 21 keeps away from the one side of negative pole diaphragm 23 and is the negative pole ear.

It can be understood that, the mode that adopts the coating to cover makes the overall structure of electric core can become flat, shared space size has obtained reducing effectively in the direction of height, make the holistic structure of electric core can better adaptation wall, this kind of plane area occupied of ceiling and building surface is big, highly occupy less use scene, make the use of battery receive the space restriction to reduce, reduce the influence of installation plane roughness to the battery installation, the mode that adopts the coating to cover also makes electric core can obtain big multiplying power, long endless electric property characteristics, and the one side that positive pole mass flow body 11 kept away from positive pole diaphragm 13 keeps away from negative pole diaphragm 23 for positive pole ear and negative pole mass flow body 21 makes the battery need not additionally to set up positive and negative pole ear again for the negative pole ear, and then the holistic manufacturing cost of battery has been reduced.

Further, in order to obtain a longer service life of the battery, there is a certain demand for the structures of the positive electrode current collector 11 and the negative electrode current collector 21. In one embodiment, the projected area size of the negative electrode current collector 21 is larger than the projected area size of the positive electrode current collector 11. In the present embodiment, both the size of the projected area of the positive electrode current collector 11 and the size of the projected area of the negative electrode current collector 21 can be extended according to the magnification.

It can be understood that the projection area of the negative current collector 21 is larger than that of the positive current collector 11 because the material of the negative electrode of the battery is more active relative to the material of the positive electrode of the battery, and is more prone to losing electrons, when the battery discharges, electrons move from the negative electrode to the positive electrode, when the battery does not discharge, electrons still can be transferred away from the negative electrode through air, and then the electric capacity of the whole battery is reduced, and meanwhile, the phenomenon of lithium precipitation of the negative electrode in the battery charging process is also prevented. The projection area size of the positive current collector 11 and the projection area size of the negative current collector 21 can be extended according to the multiplying power, so that the battery cell can adjust the output multiplying power of the battery according to the actual requirement, and the battery can adapt to more use scenes.

Further, in order to further reduce the production cost, in a preferred embodiment, both the surface of the positive electrode collector 11 away from the positive electrode separator 13 and the surface of the negative electrode collector 21 away from the negative electrode separator 23 have adhesiveness. It can be understood that the surface of the positive current collector 11 away from the positive diaphragm 13 and the surface of the negative current collector 21 away from the negative diaphragm 23 both have viscosity, so that the surface of the positive current collector 11 away from the positive diaphragm 13 can be adhered to the wrapper, and the surface of the negative current collector 21 away from the negative diaphragm 23 can be adhered to the wrapper, thereby replacing the outer wrapping of the battery and reducing the production cost of the battery.

Further, in order to ensure the safety performance of the cell structure, in one embodiment, a positive blank portion (not shown) surrounding the positive coating layer 12 is provided on one surface of the positive current collector 11 close to the positive separator 13, a negative blank portion 211 surrounding the negative coating layer 22 is provided on one surface of the negative current collector 21 close to the negative separator 23, and the positive blank portion and the negative blank portion 211 are filled with an insulator and bonded. It can be understood that the battery cell structure is sealed and assembled by filling and bonding insulators between the positive blank part and the negative blank part 211, so that the inside of the battery cell is isolated from the outside, the occurrence of the electricity leakage condition is avoided, and the safety performance of the battery is improved.

To sum up, the utility model provides a coating overlay type's energy storage structure 100, its mode that covers through the coating for adaptation plane area occupied that the battery can be better is big, highly occupies little use scene, has reduced battery mounting plane's roughness requirement simultaneously, and the outer cladding of battery and utmost point ear are replaced with negative current collector 21 to the anodal mass flow body of rethread 11, have reduced the manufacturing cost of battery.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A coating-covered energy storage structure is characterized by comprising a positive electrode layer, a negative electrode layer and a solid electrolyte coated between the positive electrode layer and the negative electrode layer;

the positive pole layer includes anodal mass flow body, anodal coating and anodal diaphragm, the coating has anodal coating on the one side of anodal mass flow body, anodal coating is kept away from the one side of anodal mass flow body coats and is stamped anodal diaphragm, the negative pole layer includes negative pole mass flow body, negative pole coating and negative pole diaphragm, the coating has negative pole coating on the one side of negative pole mass flow body, the negative pole coating is kept away from the one side of negative pole mass flow body coats and is stamped negative pole diaphragm, solid-state electrolyte coat in anodal diaphragm with between the negative pole diaphragm, anodal mass flow body is kept away from the one side of anodal diaphragm is anodal ear, the negative pole mass flow body is kept away from the one side of negative pole diaphragm is negative pole ear.

2. The coating-covered energy storage structure of claim 1, wherein a projected area size of the negative current collector is greater than a projected area size of the positive current collector.

3. The coating-covered energy storage structure of claim 1, wherein a surface of the positive electrode current collector away from the positive electrode separator and a surface of the negative electrode current collector away from the negative electrode separator have adhesive properties.

4. The energy storage structure of claim 1, wherein a cathode blank surrounding the cathode coating layer is disposed on one surface of the cathode current collector close to the cathode separator, a cathode blank surrounding the cathode coating layer is disposed on one surface of the anode current collector close to the cathode separator, and the cathode blank are filled with an insulator and bonded to each other.

5. The energy storage structure of claim 1, wherein the projected area size of the positive current collector and the projected area size of the negative current collector are both extendable according to a magnification.