CN215377605U - Lithium ion battery cell structure capable of reducing energy internal consumption - Google Patents

Abstract

The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery cell structure capable of reducing internal energy consumption, comprising a casing, a separator is arranged in the middle of the casing, a heat dissipation frame is arranged in an installation groove, and the separator is installed in the middle There is a battery cell, a diaphragm is arranged in the middle of the battery core, an electrode column is symmetrically arranged on one end of the battery core, a slot is provided on the front end surface of the outer casing corresponding to the electrode column, a sealing cover is arranged above the outer casing, and the lower surface of the sealing cover is connected with the electrode column. The position corresponding to the card slot is provided with a card block; the lithium-ion battery cell structure that can reduce internal energy consumption, the cooperation of the shell and the sealing cover, is convenient to protect the internal cells and prevent interference from the external environment, and the heat dissipation frame and heat dissipation The cooperation of the chip is convenient for close contact with the internal cells, and the internal heat is dredged in time to prevent the accumulation of temperature, increase the internal friction, and affect the overall use. use.

Description

Lithium ion battery cell structure capable of reducing energy internal consumption

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery cell structure capable of reducing energy internal consumption.

Background

The lithium ion battery has the advantages of high energy density, less self-discharge, long service life, cleanness, environmental protection and the like, is widely applied to the fields of portable mobile equipment, large-scale energy storage systems, communication base stations, national defense space technology, new energy automobiles and the like, and becomes important equipment for energy storage and conversion;

general electric core connection piece adopts double-deck connection piece usually, and bending deformation can all take place for two connection pieces at the in-process of connecting, and because the connection piece needs centre gripping battery tab to weld, consequently, connection piece bending deformation, inside inflation, the radiating effect is poor, and the energy internal consumption increases, influences holistic use, shortens life, can not protect and dispel the heat the cooperation to use inside.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lithium ion battery cell structure capable of reducing internal energy consumption, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

can reduce lithium ion battery electricity core structure of energy internal consumption, which comprises an outer shell, the inside hollow form that is of shell, be equipped with the baffle in the middle of the shell, the mounting groove has all been seted up to the shell both sides face, be equipped with the heat dissipation frame in the mounting groove, be equipped with a plurality of fin in the heat dissipation frame, the heat dissipation frame passes the baffle, electric core is installed to the baffle intermediate position, the inside intermediate position of electric core is equipped with the diaphragm, electric core one is served the symmetry and is equipped with the electrode post, all install the electrode bar on the electrode post, inside the electrode bar extends to electric core, the draw-in groove has been seted up with the position that the electrode post corresponds on the terminal surface before the shell, the electrode post extends from the draw-in groove department and stretches out, the shell top is equipped with sealed lid, the sealed position that lid lower surface and draw-in groove correspond is equipped with the fixture block.

Preferably, the baffle is circular ring-shaped, the baffle and the shell are of an integrally formed structure, and the width of the inner wall of the baffle is matched with the width of the battery cell.

Preferably, the width of mounting groove and the width looks adaptation of heat dissipation frame, heat dissipation frame and shell bonding are fixed, the fin is equidistant distribution, the fin is the integrated into one piece structure with heat dissipation frame, heat dissipation frame right-hand member face closely laminates with electric core.

Preferably, the electrode column is fixed with the electric core in a welded mode, the electrode column and the electrode rod are of an integrally formed structure, the diaphragm is fixed with the electric core in a welded mode, and the diaphragm divides the inside of the electric core into two chambers.

Preferably, the width of the electrode column is matched with the width of the clamping groove, and the electrode column is matched with the shell in a clamping mode.

Preferably, the width of the sealing cover is matched with that of the shell, the clamping block and the sealing cover are of an integrally formed structure, the width of the clamping block is matched with that of the clamping groove, and the tail end of the clamping block is tightly attached to the electrode column.

Preferably, the lower surface of the sealing cover close to the two sides is also provided with a clamping strip.

Compared with the prior art, the utility model has the beneficial effects that:

1. the cooperation of the shell and the sealing cover is convenient for protecting the internal electric core and preventing the internal electric core from being interfered by the external environment, the cooperation of the heat dissipation frame and the heat dissipation sheet is convenient for being tightly contacted with the internal electric core, the internal heat is conducted in time, the temperature accumulation is prevented, the internal consumption of the internal part is increased, the integral use is influenced, and the cooperation of the partition board is convenient for installing the corresponding electric core in the internal part for combined use.

2. The two symmetrical electrode columns in the battery cell are matched to be convenient for being contacted with an internal electrolyte, power supply output and use are convenient to perform stably under the action of the diaphragm, the electrode rods are matched to be fully contacted with the internal electrolyte, the electrode columns are correspondingly clamped and matched with the shell, the mounting stability is improved, and the battery cell is convenient to fix and better to use under the matching of the sealing cover.

Drawings

Fig. 1 is an overall schematic diagram of a cell structure of a lithium ion battery capable of reducing internal energy consumption according to the present invention;

FIG. 2 is a schematic diagram of a partial structure of a lithium ion battery cell capable of reducing internal energy consumption according to the present invention;

fig. 3 is a schematic view of a combined structure of a battery cell and a housing according to the present invention;

FIG. 4 is a schematic view of the frame structure of the housing of the present invention;

fig. 5 is a schematic diagram of a cross-sectional structure of a cell according to the present invention.

The various reference numbers in the figures mean:

1. a housing; 10. a partition plate; 11. mounting grooves; 12. a card slot;

2. a sealing cover; 20. a clamping block; 21. clamping the strip;

3. a heat dissipation frame; 30. a heat sink;

4. an electric core; 40. an electrode column; 400. an electrode rod; 41. a diaphragm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions:

can reduce lithium ion battery electricity core structure of energy internal consumption, including shell 1, 1 inside hollow form that is of shell, be equipped with baffle 10 in the middle of the shell 1, mounting groove 11 has all been seted up to 1 both sides face of shell, be equipped with heat dissipation frame 3 in the mounting groove 11, be equipped with a plurality of fin 30 in the heat dissipation frame 3, heat dissipation frame 3 passes baffle 10, electric core 4 is installed to baffle 10 intermediate position, the inside intermediate position of electric core 4 is equipped with diaphragm 41, 4 last symmetries of electric core are equipped with electrode post 40, all install electrode rod 400 on the electrode post 40, inside electrode rod 400 extends to electric core 4, draw-in groove 12 has been seted up with the position that electrode post 40 corresponds on the terminal surface before the shell 1, electrode post 40 extends from draw-in groove 12 punishment and stretches out, 1 top of shell is equipped with sealed lid 2, the position that sealed lid 2 lower surfaces and draw-in groove 12 correspond is equipped with fixture block 20.

In this embodiment, baffle 10 is the ring form, and baffle 10 and shell 1 are the integrated into one piece structure, and the width of the inner wall of baffle 10 and the width looks adaptation of electric core 4, baffle 10 and shell 1's cooperation, the electric core 4 that the installation of being convenient for corresponds protects electric core 4, avoids receiving external environment's influence.

Further, the width of mounting groove 11 and the width looks adaptation of heat dissipation frame 3, heat dissipation frame 3 bonds fixedly with shell 1, fin 30 is equidistant distribution, fin 30 and heat dissipation frame 3 are the integrated into one piece structure, 3 right-hand member faces of heat dissipation frame closely laminate with electric core 4, heat dissipation frame 3 and fin 30 cooperation, be convenient for with electric core 4 contact of closely laminating, the better in time dredges the heat of inside, prevent the high temperature, the internal consumption increases, shorten the life of whole device.

Secondly, electrode column 40 and electric core 4 butt fusion are fixed, and electrode column 40 and electrode bar 400 are integrated into one piece structure, and diaphragm 41 and electric core 4 butt fusion are fixed, and diaphragm 41 equally divide into two bins with electric core 4 inside, and two kinds of electrolytes are evenly separated to diaphragm 41, and cooperation electrode bar 400 carries out contact reaction better and uses.

Specifically, the width of electrode column 40 and the width looks adaptation of draw-in groove 12, electrode column 40 and the cooperation of 1 joint of shell, electrode column 40's cooperation is used, is convenient for use with external electrical apparatus contact.

What need supplement is, the width looks adaptation of sealed lid 2 and shell 1, fixture block 20 and sealed lid 2 are integrated into one piece structure, the width looks adaptation of fixture block 20 and draw-in groove 12, and the terminal closely laminating with electrode post 40 of fixture block 20, the cooperation of fixture block 20 is convenient for fix electrode post 40, prevents that in use from taking place to slide, influences holistic use, still seals the use to shell 1 simultaneously.

In addition, 2 lower surfaces of the sealing covers are close to the two sides and are also provided with clamping strips 21, the clamping strips 21 are in insertion connection with the partition plates 10 and the shell 1 at intervals, the clamping strips 21 are matched for use, the sealing covers 2 are in tight insertion connection with the shell 1, the inside of the sealing covers is protected conveniently, and the connection stability is improved.

The lithium ion battery electric core structure that can reduce energy internal consumption of this embodiment is when using, the user is manual installs electric core 4 in baffle 10, electrode post 40 corresponds the joint with draw-in groove 12, then install 3 grafting of heat dissipation frame in mounting groove 11, 3 a side of heat dissipation frame closely laminates with electric core 4, install sealed lid 2 in shell 1 top at last, the cooperation of pegging graft of card strip and shell 1, fixture block 20 and draw-in groove 12 are pegged graft and are cooperated, fix electrode post 40, shell 1 protects inside electric core 4, inside heat is dredged fast to fin 30, reduce inside heat accumulation, reduce internal consumption, increase holistic life.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A lithium-ion battery cell structure capable of reducing internal energy consumption, comprising a casing (1), characterized in that: the casing (1) is hollow inside, and a separator (10) is provided in the middle of the casing (1), Both sides of the casing (1) are provided with installation grooves (11), a heat dissipation frame (3) is provided in the installation groove (11), and a plurality of heat dissipation fins (30) are provided in the heat dissipation frame (3). , the heat dissipation frame (3) passes through the partition plate (10), the battery core (4) is installed in the middle position of the partition plate (10), and the diaphragm (41) is arranged in the middle position inside the battery core (4), Electrode columns (40) are symmetrically arranged on one end of the battery core (4), electrode rods (400) are installed on the electrode columns (40), and the electrode rods (400) extend to the interior of the battery core (4). , a slot (12) is provided on the front end surface of the outer casing (1) at a position corresponding to the electrode column (40), the electrode column (40) extends from the clamping slot (12), and the outer casing (1) A sealing cover (2) is provided above, and a clamping block (20) is provided at a position corresponding to the clamping groove (12) on the lower surface of the sealing cover (2). 2. The lithium-ion battery cell structure capable of reducing energy consumption according to claim 1, wherein the separator (10) is annular, and the separator (10) and the shell (1) are In the integral molding structure, the width of the inner wall of the separator (10) is adapted to the width of the battery core (4). 3. The lithium-ion battery cell structure capable of reducing internal energy consumption according to claim 1, wherein the width of the installation groove (11) is adapted to the width of the heat dissipation frame (3), and the heat dissipation frame (3) Adhesive and fixed with the casing (1), the heat dissipation fins (30) are distributed at equal intervals, the heat dissipation fins (30) and the heat dissipation frame (3) are integrally formed, and the right end of the heat dissipation frame (3) The surface is in close contact with the battery core (4). 4. The lithium-ion battery cell structure capable of reducing internal energy consumption according to claim 1, wherein the electrode column (40) is welded and fixed to the battery core (4), and the electrode column (40) is connected to the electrode The rod (400) is an integral molding structure, the diaphragm (41) is welded and fixed to the battery core (4), and the diaphragm (41) divides the interior of the battery core (4) into two compartments. 5. The lithium-ion battery cell structure capable of reducing internal energy consumption according to claim 1, characterized in that: the width of the electrode column (40) is adapted to the width of the card slot (12), and the electrode column (40) is snap-fitted with the casing (1). 6. The lithium-ion battery cell structure capable of reducing internal energy consumption according to claim 1, characterized in that: the width of the sealing cover (2) is adapted to the width of the casing (1), and the clamping block ( 20) The structure is integrally formed with the sealing cover (2), the width of the clamping block (20) is adapted to the width of the clamping slot (12), and the end of the clamping block (20) is closely attached to the electrode column (40) combine. 7. The lithium-ion battery cell structure capable of reducing internal energy consumption according to claim 1, characterized in that: the lower surface of the sealing cover (2) is further provided with clips (21) near both sides.

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