CN208538950U - A kind of solid state battery shell - Google Patents
A kind of solid state battery shell Download PDFInfo
- Publication number
- CN208538950U CN208538950U CN201821087159.1U CN201821087159U CN208538950U CN 208538950 U CN208538950 U CN 208538950U CN 201821087159 U CN201821087159 U CN 201821087159U CN 208538950 U CN208538950 U CN 208538950U
- Authority
- CN
- China
- Prior art keywords
- outer casing
- casing frame
- battery
- solid state
- state battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model relates to battery technology fields, and in particular to a kind of solid state battery shell, the shell include outer casing frame and multiple pressure relief plates, and pressure relief plate is fixedly connected with the outer casing frame；It is equipped with multiple isolation boards in the outer casing frame, the setting of isolation board interval and the inside division of outer casing frame is formed into multiple battery compartments for being used to place solid-state battery core and cooling storehouse positioned at outer casing frame both ends, the hermetic bag for storing liquid nitrogen is loaded in cooling storehouse；The outer casing frame includes pedestal, support column and upper frame body, and upper frame body is connected by support column with the pedestal, and pedestal is equipped with inserting groove corresponding with isolation board, and the isolation board and inserting groove are mating.Beneficial effect is: the utility model can be packed into multiple solid state battery battery cores, not interfere with each other between solid state battery battery core, have corresponding battery compartment.Therefore the service life of battery is improved.
Description
Technical field
The utility model relates to battery technology fields, and in particular to a kind of solid state battery shell.
Background technique
Solid state battery refers in structure without liquid, all material all existing energy storage devices in solid form.It is specific next
Say, it is made of positive electrode+negative electrode material and electrolyte, and liquid state batteries then by positive electrode+negative electrode material+electrolyte and
Diaphragm composition.Solid state battery has many advantages, such as energy density height, small in size.
In the production process of battery, battery core and protection circuit plate will finally be encapsulated in the housing.Shell plays solid
The effect determined the relative position of battery core and protection circuit plate and protection circuit plate is protected.Solid state battery is no exception,
But due to the energy density of solid state battery height, when the excessive electric current of overcharge, circulation etc. is abnormal, even if it is internal as height
When temperature, high pressure, if can not radiate in time under the encirclement of shell, scattered pressure not only results in cell damage or even can cause dangerous shape
Condition.In recent years, explosive combustion accident caused by solid state battery is commonplace.And in the prior art, when hidden danger occurs, shell is not
It can play and effect is effectively protected.
A kind of Li ion cell casings disclosed in Chinese patent (CN104282850B), the Li ion cell casings are by aluminium
Alloy sheets carried out it is stamping made of formed products constitute, and have safety valve, which is characterized in that the safety valve is by institute
State the wall of battery case a part carry out it is stamping made of the protrusion of cup-shaped formed, the protrusion of the cup-shaped has:
Opening portion is set to the wall of the battery case；Side wall, towards the outside of the battery case around the opening portion
It erects, to be crushed far from the opening portion and in a manner of more being extended to side, and it is thinner than the wall of the battery case；Top
Portion is set to the front end side of the side wall, parallel with the outer surface of wall of the battery case of surrounding, and has and open than described
The widened area of oral area, and to become the mode thinner than the side wall by press-stretched；And notch, it is formed in the top
Outer surface a part.
Above-mentioned battery case has certain explosion-proof effect, but only setting safety valve has limitation, because it is not
When can cover each position of battery, especially more batteries series connection, local high temperature, high pressure can not still disperse in time.And one
As shell can not be applicable in the series connection of more batteries, traditional shell in this case, is held very much using battery battery core is installed centralizedly
So that each battery battery core is influenced each other, influences service life.
In addition, general battery, in explosion after-combustion, shell cannot inhibit to explode, and the fragment temperature of shell is high, is easy
Generate the case where hurting sb.'s feelings of splashing.
Summary of the invention
Purpose of the utility model is to solve the above problems, provide a kind of solid state battery shell.
In order to reach above-mentioned purpose of utility model, the utility model uses following technical scheme:
A kind of solid state battery shell, the shell include outer casing frame and multiple pressure releases around outer casing frame side setting
Plate, pressure relief plate are fixedly connected with the outer casing frame；Multiple isolation boards are equipped in the outer casing frame, isolation board interval is arranged and will
The inside division of outer casing frame forms multiple battery compartments for placing solid-state battery core and the cooling storehouse positioned at outer casing frame both ends, cooling
The hermetic bag for storing liquid nitrogen is loaded in storehouse；
The outer casing frame includes pedestal, support column and upper frame body, and upper frame body is connected by support column with the pedestal, pedestal
Equipped with inserting groove corresponding with isolation board, the isolation board and inserting groove are mating, the upper frame body vertically grafting
The two sides of slot are equipped with reinforcing rib, and the top that inserting groove is located on reinforcing rib is equipped with bayonet, and the top of the isolation board is rabbeted in institute
It states in bayonet.
Preferably, the side that the isolation board is located at the cooling storehouse is equipped with needle thorn portion, needle thorn portion and the sealing
The setting of bag interval.
Preferably, the pressure relief plate is equipped with pressure release portion, and the two sides in pressure release portion offer pressure release gap.
Preferably, the pressure release portion includes two pieces of elastic plates and the flexible joint between two elastic plates, two elasticity
Plate is connected by flexible joint.
Preferably, the flexible joint is flexible corrugation plate.
It preferably, further include cap, the top that corresponding battery compartment is located on cap is equipped with and the matching of the electrode column of battery core
Plug wire hole, plug wire hole are connected to the battery compartment.
Compared with prior art, beneficial effect is the utility model: the utility model can be packed into multiple solid state battery battery cores,
It is not interfere with each other between solid state battery battery core, there is corresponding battery compartment.Therefore the service life of battery is improved.
The utility model includes pressure relief plate, and pressure relief plate is covered on each position of outer casing frame, so as in each battery compartment
Solid state battery battery core can heat dissipation in time, dissipate pressure.
When battery explosion, isolation board is squeezed the utility model, punctures hermetic bag by needle thorn portion, sealing
Liquid nitrogen in bag can in time cool down to shell, inhibit explosion.
Detailed description of the invention
Fig. 1 is the outer casing frame structural schematic diagram of the utility model.
Fig. 2 is the top view of the outer casing frame of the utility model.
Fig. 3 is the structural schematic diagram of the pressure relief plate of the utility model.
Fig. 4 is the structural schematic diagram of the cap of the utility model.
In figure: 1 outer casing frame, 1-1 battery compartment, 1-2 cooling storehouse, 1-3 pedestal, 1-4 support column, 1-5 upper frame body, 1-6 grafting
Slot, 1-7 reinforcing rib, 1-7-1 bayonet, 2 pressure relief plates, 2-1 pressure release portion, 2-1-1 pressure release gap, 2-1-2 elastic plate, 2-1-3 are flexible
Interconnecting piece, 3 isolation boards, 3-1 needle thorn portion, 4 hermetic bags, 5 caps, 5-1 plug wire hole.
Specific embodiment
Below in conjunction with the attached drawing in the embodiments of the present invention, to the technical scheme in the embodiment of the utility model into
Row clearly and completely describes, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.
A kind of solid state battery shell, the shell by rectangular-shape outer casing frame 1, be fixedly connected with outer casing frame 1 five
Rectangular pressure relief plate 2 forms.Five pressure relief plates 2 respectively cover five faces of outer casing frame 1, and pass through bolt and outer casing frame 1
It is fixedly connected.The top surface of outer casing frame 1 covers cap 5.
It is set in the outer casing frame 1 there are four isolation board 3, the interval of isolation board 3 setting and by the inside division shape of outer casing frame 1
At three battery compartment 1-1 for the placing solid-state battery core and cooling storehouse 1-2 positioned at 1 both ends of outer casing frame, loaded in cooling storehouse 1-2
For storing the hermetic bag 4 of liquid nitrogen.Isolation board 3 has certain thickness, and the material of isolation board 3 is made of heat-barrier material.
The top for being located at corresponding battery compartment 1-1 on cap 5 is equipped with the plug wire hole 5-1 to match with the electrode column of battery core, plug wire
Hole 5-1 is connected to the battery compartment 1-1.
The outer casing frame 1 include pedestal 1-3, support column 1-4 and upper frame body 1-5, upper frame body 1-5 by support column 1-4 with
The pedestal 1-3 is connected.Cap 5 is fixedly connected with upper frame body 1-5.
The pedestal 1-3 is equipped with inserting groove 1-6 corresponding with isolation board 3, the isolation board 3 and inserting groove 1-6 grafting
The two sides of cooperation, the vertical inserting groove 1-6 of the upper frame body 1-5 are equipped with reinforcing rib 1-7, and inserting groove is located on reinforcing rib 1-7
The top of 1-6 is equipped with bayonet 1-7-1, and the top of the isolation board 3 is rabbeted in the bayonet 1-7-1.Bayonet 1-7-1 and grafting
Slot 1-6 is corresponding, and therefore, isolation board 3 can be inserted into the outer casing frame 1 along bayonet 1-7-1, and the bottom of isolation board 3 is inserted into
In inserting groove 1-6, bayonet 1-7-1 and inserting groove 1-6 mutual cooperation firmly fix isolation board 3.The effect of reinforcing rib 1-7
When, the explosion-proof capabilities of entire outer casing frame 1 are improved, keep its structure stronger.
The isolation board 3 be located at the cooling storehouse 1-2 side be equipped with needle thorn portion 3-1, needle thorn portion 3-1 with it is described close
Envelope 4 is spaced apart, which is safe distance, and the hermetic bag 4 in battery normal operating condition is prevented to be punctured.?
Isolation board by explosion generate impact force, or explosion generate expand with heat and contract with cold make outer casing frame 1 deform when, needle thorn portion 3-1 stress,
It is quickly pierced into the hermetic bag 4, liquid nitrogen outflow inhibits to prevent from further exploding to cooling down inside outer casing frame 1
The effect of effective temperature-reducing is played in the rising of temperature.
The pressure relief plate 2 is equipped with pressure release portion 2-1, and the two sides of pressure release portion 2-1 offer pressure release gap 2-1-1.Pressure relief plate 2
Pressure release gap 2-1-1 has not only acted as the effect of heat dissipation, while when exploding generation, pressure is passed through pressure release gap 2-1-
1 is transferred out, and mitigates the receiving pressure of outer casing frame 1.
The pressure release portion 2-1 includes two pieces of elastic plate 2-1-2 and the flexible joint 2- between two elastic plate 2-1-2
1-3, two elastic plate 2-1-2 are connected by flexible joint 2-1-3.Two elastic plate 2-1-2 can arch upward after being under pressure, pressure relief plate
2 realize falling apart instead of 1 entirety of outer casing frame of partially arching upward by pressure release portion 2-1, broken after avoiding explosion that outer casing frame 1 is made to disintegrate
Piece splashes.Meanwhile two elastic plate 2-1-2 be under pressure after can arch upward, change the size of pressure release gap 2-1-1, heat dissipation is faster.
Preferably, the flexible joint 2-1-3 is flexible corrugation plate, improves two elastic plate 2-1-2 by impacting with high pressure
Power of letting out afterwards acts on.
The utility model can be packed into multiple solid state battery battery cores and connect, and not interfere with each other between solid state battery battery core, tool
There is corresponding battery installation station.Therefore the service life of battery is improved.The utility model includes pressure relief plate 2, pressure release
Plate 2 is covered on each position of outer casing frame 1, so as to the solid state battery battery core in each battery compartment 1-1 can heat dissipation in time, dissipate
Pressure.When battery explosion, isolation board 3 is squeezed the utility model, punctures hermetic bag 4 by needle thorn portion 3-1, sealing
Liquid nitrogen in bag 4 can in time cool down to shell, inhibit explosion.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of solid state battery shell, which is characterized in that the shell include outer casing frame (1) and around the outer casing frame (1) week
Multiple pressure relief plates (2) of side setting, pressure relief plate (2) are fixedly connected with the outer casing frame (1)；It is equipped in the outer casing frame (1) more
A isolation board (3), isolation board (3) interval are arranged and form the inside division of outer casing frame (1) multiple for placing solid-state electricity
The battery compartment (1-1) of core and the cooling storehouse (1-2) for being located at outer casing frame (1) both ends, cooling storehouse (1-2) is interior to be loaded for storing liquid nitrogen
Hermetic bag (4)；
The outer casing frame (1) includes pedestal (1-3), support column (1-4) and upper frame body (1-5), and upper frame body (1-5) passes through support column
(1-4) is connected with the pedestal (1-3), and pedestal (1-3) is equipped with inserting groove (1-6) corresponding with isolation board (3), the isolation
Plate (3) and inserting groove (1-6) are mating, and the two sides of the vertical inserting groove (1-6) of the upper frame body (1-5) are equipped with reinforcing rib
(1-7), is equipped with bayonet (1-7-1) positioned at the top of inserting groove (1-6) on reinforcing rib (1-7), and the top of the isolation board (3) is embedding
It connects in the bayonet (1-7-1).
2. a kind of solid state battery shell according to claim 1, which is characterized in that the isolation board (3) is located at described cold
But the side of storehouse (1-2) is equipped with needle thorn portion (3-1), and needle thorn portion (3-1) and the hermetic bag (4) interval are arranged.
3. a kind of solid state battery shell according to claim 1 or 2, which is characterized in that the pressure relief plate (2) is equipped with pressure release
Portion (2-1), the two sides of pressure release portion (2-1) offer pressure release gap (2-1-1).
4. a kind of solid state battery shell according to claim 3, which is characterized in that the pressure release portion (2-1) includes two pieces
Elastic plate (2-1-2) and the flexible joint (2-1-3) between two elastic plates (2-1-2), two elastic plates (2-1-2) pass through
Flexible joint (2-1-3) is connected.
5. a kind of solid state battery shell according to claim 4, which is characterized in that the flexible joint (2-1-3) is
Flexible corrugation plate.
6. a kind of solid state battery shell according to claim 1, which is characterized in that further include cap (5), cap (5) position
Be equipped with the plug wire hole (5-1) to match with the electrode column of battery core in the top of corresponding battery compartment (1-1), plug wire hole (5-1) with it is described
Battery compartment (1-1) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821087159.1U CN208538950U (en) | 2018-07-10 | 2018-07-10 | A kind of solid state battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821087159.1U CN208538950U (en) | 2018-07-10 | 2018-07-10 | A kind of solid state battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538950U true CN208538950U (en) | 2019-02-22 |
Family
ID=65388414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821087159.1U Expired - Fee Related CN208538950U (en) | 2018-07-10 | 2018-07-10 | A kind of solid state battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538950U (en) |
-
2018
- 2018-07-10 CN CN201821087159.1U patent/CN208538950U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |