CN212182437U

CN212182437U - Gel diaphragm battery structure

Info

Publication number: CN212182437U
Application number: CN202021385300.3U
Authority: CN
Inventors: 曾金生; 唐德富; 黎红生; 彭玖立
Original assignee: Huizhou Dianming New Energy Technology Co ltd
Current assignee: Huizhou Dianming New Energy Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-18
Anticipated expiration: 2030-07-15

Abstract

The utility model relates to a gel diaphragm battery structure, including the shell, by the baffle frame of shell parcel, with the baffle frame form the heating panel of cavity, be located the interior electric core of cavity, the heating panel includes first heating panel and second heating panel, the baffle frame with first heating panel forms first cavity, first cavity is six confined cuboid form cavitys, the baffle frame with the second heating panel forms the second cavity, the second cavity is six confined cuboid form cavitys, electric core is including placing the first electric core in first cavity and placing the second electric core in the second cavity. The utility model provides a gel diaphragm battery structure has very high charge efficiency, still has good heat dissipation's characteristics simultaneously.

Description

Gel diaphragm battery structure

Technical Field

The utility model relates to a battery field especially relates to a gel diaphragm battery structure.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n. Lewis in 1912. In the 70 s of the 20 th century, m.s. Whittingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

With the development of science and technology, people have higher and higher requirements on the performance of lithium ion batteries, and hope to improve the charging efficiency of the batteries and simultaneously improve the high temperature resistance of the batteries.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a gel diaphragm battery structure has very high charge efficiency, still has good heat dissipation's characteristics simultaneously.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a gel diaphragm battery structure, includes the shell, by the baffle frame of shell parcel, with the baffle frame form the heating panel of cavity, be located the indoor electric core of cavity, the heating panel includes first heating panel and second heating panel, the baffle frame with first heating panel forms first cavity, first cavity is six closed cuboid form cavity, the baffle frame with the second heating panel forms the second cavity, the second cavity is six closed cuboid form cavity, electric core is including placing first electric core in first cavity and placing the second electric core in the second cavity.

Preferably, the partition frame comprises a left half frame and a right half frame symmetrical to the left half frame in shape, the cross section of the left half frame is T-shaped, and the left half frame comprises a transverse partition plate and three longitudinal partition plates.

Preferably, the three longitudinal partition plates are sequentially connected end to end, the transverse partition plate is in a flat cuboid shape, three of the four side surfaces of the transverse partition plate are respectively in contact connection with the central lines of the three longitudinal partition plates, and one of the four side surfaces is a hollow surface.

Preferably, the hollow surface of the transverse partition plate on the right half frame is mutually attached to the hollow surface of the transverse partition plate on the left half frame.

Preferably, the hollow surface of the transverse partition plate on the right half frame is bonded with the hollow surface of the transverse partition plate on the left half frame through glue.

Preferably, the first battery cell and the second battery cell are the same in shape and size, the upper surface of the first battery cell is attached and connected with a first heat dissipation plate, and the lower surface of the second battery cell is attached and connected with a second heat dissipation plate.

Preferably, the first battery cell is formed by laminating and winding a positive electrode part, a gel diaphragm, a negative electrode part and a PP diaphragm into a battery cell substrate, and the outer layer of the battery cell substrate comprises an aluminum plastic film.

Preferably, the second cell has the same structure as the first cell.

Preferably, the heat dissipation plate is made of a material with good heat conductivity.

Preferably, the diaphragm plates are made of materials with poor heat conductivity, and the longitudinal diaphragm plates are made of materials with good heat conductivity.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses a gel diaphragm battery structure has placed baffle frame, heating panel in the shell, contains two electric cores in, and two electric cores are separated by the baffle frame, avoid two electric cores to take place thermal concentrated piling up, improve battery structure's whole heat-sinking capability, with the baffle frame and the heating panel of electric core contact, the most material that adopts the thermal conductivity to be good for the battery heat can outwards spill along baffle frame and heating panel. And because two relative surfaces of the diaphragm plate are respectively attached to the two electric cores in a large area, the diaphragm plate is made of a material with poor heat-conducting property for avoiding the heat accumulation of the electric cores on the diaphragm plate. In addition, the transverse partition plate is of a two-piece symmetrical plate body structure, so that the battery can adapt to battery cores of different specifications; when electric core size is great, the face of staying empty of two cross slabs keeps certain interval, can laminate electric core on the cross slab, and when electric core size is less, though the inner chamber of baffle frame can't be filled up completely to electric core, but the jail is stained with the cross slab to accessible glue, thereby make the utility model discloses a battery structure.

Drawings

Fig. 1 is a structural diagram of a gel membrane battery according to an embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1, an embodiment of the present invention includes:

the utility model provides a gel diaphragm battery structure, which comprises a housing 1, the baffle frame by 1 parcel of shell, with the heating panel of baffle frame formation cavity, be located the indoor electric core of cavity, the heating panel is made by the material that heat conductivility is good, the heating panel includes first heating panel 2 and second heating panel 3, the baffle frame forms first cavity with first heating panel 2, first cavity is six closed cuboid form cavities, the baffle frame forms the second cavity with second heating panel 3, the second cavity is six closed cuboid form cavities, electric core is including placing first electric core 4 in first cavity and placing second electric core 5 in the second cavity.

The baffle frame comprises a left half frame 6 and a right half frame 7 which is symmetrical to the left half frame 6 in shape, the section of the left half frame 6 is T-shaped, and the left half frame 6 comprises a transverse baffle and three longitudinal baffles. The diaphragm plates are made of materials with poor heat-conducting property, and the longitudinal diaphragm plates are made of materials with good heat-conducting property. The three longitudinal partition plates are sequentially connected end to end, the transverse partition plate is in a flat cuboid shape, three of the four side surfaces of the transverse partition plate are respectively in contact connection with the central lines of the three longitudinal partition plates, and one of the four side surfaces is a hollow surface 8.

The empty leaving surface of the upper transverse clapboard of the right half frame 7 is mutually attached to the empty leaving surface of the upper transverse clapboard of the left half frame 6. The empty leaving surface of the upper transverse clapboard of the right half frame 7 is bonded and connected with the empty leaving surface of the upper transverse clapboard of the left half frame 6 by glue.

First electric core 4 is the same with 5 shape size of second electric core, and 4 upper surfaces laminating of first electric core are connected with

first heating panel

2, and 5 lower surfaces laminating of second electric core are connected with second heating panel 3. The first battery cell 4 is formed by winding a positive electrode part, a gel diaphragm, a negative electrode part and a PP diaphragm in a laminated manner to form a battery cell base body, and the outer layer of the battery cell base body comprises an aluminum plastic film. The second cell 5 has the same structure as the first cell 4.

The gel diaphragm battery structure of this embodiment has placed baffle frame, heating panel in the shell, contains two electric cores in, and two electric cores are separated by the baffle frame, avoid two electric cores to take place thermal concentration and pile up, improve the whole heat-sinking capability of battery structure, with baffle frame and the heating panel of electric core contact, the most adopts the material that heat conductivility is good for the battery heat can outwards effluvium along baffle frame and heating panel. And because two relative surfaces of the diaphragm plate are respectively attached to the two electric cores in a large area, the diaphragm plate is made of a material with poor heat-conducting property for avoiding the heat accumulation of the electric cores on the diaphragm plate. In addition, the transverse partition plate is of a two-piece symmetrical plate body structure, so that the battery can adapt to battery cores of different specifications; when electric core size is great, the face of staying empty of two cross slabs keeps certain interval, can laminate electric core on the cross slab, and when electric core size is less, though the inner chamber of baffle frame can't be filled up completely to electric core, but the jail is stained with the cross slab to accessible glue, thereby make the utility model discloses a battery structure.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 gel diaphragm battery structure, its characterized in that includes shell (1), by shell (1) parcel the baffle frame, with the baffle frame form the heating panel of cavity, be located the interior electric core of cavity, the heating panel includes first heating panel (2) and second heating panel (3), the baffle frame with first heating panel (2) form first cavity, first cavity is six closed cuboid form cavity, the baffle frame with second heating panel (3) form the second cavity, the second cavity is six closed cuboid form cavity, electric core is including placing first electric core (4) in first cavity and placing second electric core (5) in the second cavity.

2. The gel separator battery structure according to claim 1, wherein said separator frame comprises a left half frame (6) and a right half frame (7) symmetrical in shape to the left half frame (6), said left half frame (6) having a T-shaped cross section, said left half frame (6) comprising a transverse separator and three longitudinal separators.

3. The gel separator battery structure according to claim 2, wherein three longitudinal separators are connected end to end in sequence, the cross separator is in a shape of a flattened cuboid, three of four side surfaces of the cross separator are respectively in contact connection with the middle lines of the three longitudinal separators, and one of the four side surfaces is a vacant surface (8).

4. The gel separator cell structure according to claim 3, wherein the blank surface of the upper transverse partition of the right half frame (7) and the blank surface of the upper transverse partition of the left half frame (6) are attached to each other.

5. The gel separator cell structure according to claim 4, wherein the free face of the upper cross separator plate of the right half frame (7) and the free face of the upper cross separator plate of the left half frame (6) are adhesively connected by glue.

6. The gel separator battery structure according to claim 1, characterized in that the first cell (4) and the second cell (5) have the same shape and size, the upper surface of the first cell (4) is attached with a first heat dissipation plate (2), and the lower surface of the second cell (5) is attached with a second heat dissipation plate (3).

7. The gel separator battery structure according to claim 6, wherein the first cell (4) is wound into a cell matrix by laminating a positive electrode part, a gel separator, a negative electrode part and a PP separator, and the outer layer of the cell matrix comprises an aluminum plastic film.

8. The gel separator battery structure according to claim 7, characterized in that the second cell (5) has the same structure as the first cell (4).

9. The gel separator cell structure of claim 1, wherein said heat sink is made of a material having good thermal conductivity.

10. The gel separator cell structure according to claim 2, wherein the separators are made of a material having poor thermal conductivity, and the separators are made of a material having good thermal conductivity.