CN207368145U - A kind of liquid metal cell - Google Patents
A kind of liquid metal cell Download PDFInfo
- Publication number
- CN207368145U CN207368145U CN201720880337.5U CN201720880337U CN207368145U CN 207368145 U CN207368145 U CN 207368145U CN 201720880337 U CN201720880337 U CN 201720880337U CN 207368145 U CN207368145 U CN 207368145U
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- liquid metal
- anode
- housing
- metal cell
- metallic layers
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Abstract
The utility model proposes a kind of liquid metal cell, including housing and the head cover being fixedly installed on the housing, the inner walls are equipped with conductive layer and cathode, the housing is built-in to fill electrolyte, anode is additionally provided with the electrolyte, the anode is equipped with anode leading-off rods, and one end of the anode leading-off rods is placed on the head cover, and insulate with the head cover.The liquid metal cell of this structure, due to being provided with one layer of conductive layer inside housings, the etching problem of enclosure interior is preferably resolved, at the same time, the electric conductivity and thermal conductivity of liquid metal cell are also preferably improved, effectively increases the security of liquid metal cell.
Description
Technical field
Engineering machinery field is the utility model is related to, more particularly to a kind of liquid metal cell.
Background technology
Currently, world energy sources form is more and more nervous, and energy storage is to realize the pass of intelligent control, energy network optimization and buffering
Where key.And liquid metal cell has of low cost, good rate capability as a kind of new energy-storage battery, has extended cycle life
And security it is good the advantages of, have excellent performance in extensive technical field of energy storage, at present as each energy storage field research and develop people
The research and development of member's emphasis and focus of attention.
Liquid metal cell is made of upper and lower two layers of liquid metal and middle inorganic fused electrolyte salt.The operation of battery
Temperature is at 300-700 DEG C.In whole battery structure, upper strata anode liquid metal density is minimum, and lower floor's cathode liquid metal is close
Degree is maximum, and molten salt electrolyte layer density is placed in the middle and doubles as the membrane and electrolyte of battery, since liquid metal is mutual with inorganic fused salt
Unmixing, above-mentioned three-layer-liquid state is according to density contrast AUTOMATIC ZONING.Negative metal loses electronics during battery discharge, and electronics passes through dispatch from foreign news agency
Road moves to cathode, and negative metal ion migrates to cathode through middle molten salt layer and forms alloy with cathode metal.
Liquid metal cell anode is generally alkali or alkaline earth metal, and activity is high under molten condition, it is easy to electricity
Pond critical component (insulating materials, battery container etc.) forms corrosion, therefore the etching problem under hot conditions becomes liquid metal
A major challenge in battery applications research.Liquid metal cell housing generally uses metal at present, the cathode metal of high activity with
Housing is in close contact, and alloying reaction easily occurs with metal shell, and with the progress of reaction, positive electrode is along metal shell
Inner wall constantly upwards " climbing ", forms " climbing wall " phenomenon, ultimately results in anode and cathode contact and short circuit occurs.
In conclusion how to propose one kind can preferably solve internal etching problem and electric conductivity and heat conductivility more
To be excellent, and the more preferable liquid metal cell of security, the also technical problem of those skilled in the art's urgent need to resolve.
Utility model content
The technical problems to be solved in the utility model is：There is provided one kind can preferably solve the problems, such as internal cell corrosion and
Electric conductivity and heat conductivility are more excellent, and the more preferable liquid metal cell of security.
What the solution of the utility model was realized in：The utility model proposes a kind of liquid metal cell, including
Housing and the head cover being fixedly installed on the housing, the inner walls are equipped with conductive layer and cathode, and the housing is built-in
Electrolyte is filled, is additionally provided with anode in the electrolyte, the anode is equipped with anode leading-off rods, and the one of the anode leading-off rods
End is placed on the head cover, and is insulated with the head cover.The liquid metal cell of this structure, due to being provided with one inside housings
Layer conductive layer, preferably resolves the etching problem of enclosure interior, meanwhile, also preferably improve the conduction of liquid metal cell
Property and thermal conductivity, effectively increase the security of liquid metal cell.
Another technical solution of the utility model is that on above-mentioned basis the conductive layer is carbon liner, described
The outer wall of carbon liner is fitted on the inner wall of the housing, and the electrolyte is contained in the carbon liner.
Another technical solution of the utility model is on above-mentioned basis, and porous metals are additionally provided with the housing
Layer, the porous metallic layers are arranged at the carbon liner bottom, and the end of the porous metallic layers is embedded at the carbon
In liner.
Another technical solution of the utility model is that on above-mentioned basis the carbon liner includes horizontally disposed
Bottom plate, and the polylith riser of the bottom plate is arranged at, the wall thickness of the bottom plate and riser is between 3-10mm.
Another technical solution of the utility model is that on above-mentioned basis the riser inside bottom, which is equipped with, to be used to hold
Receive the grooves of the porous metallic layers, the end of the porous metallic layers is placed in the groove, and the cathode is arranged at described
Porous metallic layers top is simultaneously partially submerged into inside porous metallic layers.
Another technical solution of the utility model is that on above-mentioned basis the height of the groove is between 1-7mm, institute
The depth of groove is stated between 2-8mm.
Another technical solution of the utility model is on above-mentioned basis, the material of the carbon liner is graphite,
One or more combinations in activated carbon, carbon fiber, carbon nanotubes and graphene.
Another technical solution of the utility model is that on above-mentioned basis the material of the porous metallic layers is foam
One or more combinations in iron, nickel foam, foamed aluminium, foam copper or titanium foam.
Another technical solution of the utility model is on above-mentioned basis, offers through hole in the middle part of the head cover, institute
State in through hole and be equipped with insulating part.
Another technical solution of the utility model is on above-mentioned basis, and fairlead is offered on the insulating part,
One end of the anode leading-off rods is placed in the fairlead, and is fixedly connected with the fairlead, the anode leading-off rods
The other end is fixedly connected with the anode.
The liquid metal cell of said structure, due to the use of carbon liner, has effectively completely cut off active electrode material and gold
Belong to the contact between housing, solve corrosion of the electrode material to battery container, avoid " climbing wall " phenomenon.But under high temperature,
Carbon-fused salt wellability is better than the wellability between carbon-liquid metal, therefore, if directly using carbon liner
It can to easily infiltrate into molten salt layer between cathode metal and liner so as to cause battery breaking.Liner low side fix one layer it is porous
Metal, loose structure can be good at " fettering " liquid cathode metal, and the contact of enhancing cathode and carbon liner, improves battery
The stability of operation.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
Fig. 1 is a kind of schematic cross-sectional view of liquid metal cell of the utility model.
Reference numeral correspondence is：
1 housing, 2 head cover, 3 insulating part
4 anode leading-off rods, 5 anode, 6 cathode
7 electrolyte, 8 porous metallic layers, 9 carbon liner
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to the scope of protection of the utility model.In addition, those skilled in the art's retouching according to this document
State, respective combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, liquid metal cell shown in Figure 1, includes the housing 1 of one side opening,
Also, the one side of opening is equipped with head cover 2, and head cover 2 is fixedly installed on the top of housing 1, and the inner wall of housing 1 is equipped with conductive layer
With cathode 6, more specifically, conductive layer is fitted on 1 inner wall of housing, and cathode 6 is arranged at the top of conductive layer and is partially submerged into
Conductive layer, has also contained electrolyte 7 in housing 1, anode 5 has been additionally provided with electrolyte 7, the side of anode 5 is upper that is, shown in figure
Portion is equipped with anode leading-off rods 4, and one end of anode leading-off rods 4, i.e., the upper end shown in figure is placed on head cover 2, also, anode draws
Insulation set between rod 4 and head cover 2.The liquid metal cell of this structure, due to being provided with one layer of conduction inside housing 1
Layer, preferably resolve the etching problem inside housing 1, meanwhile, also preferably improve liquid metal cell electric conductivity and
Thermal conductivity, effectively increases the security of liquid metal cell.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, for conductive layer, preferably
For carbon liner 9, as described above, the outer wall of carbon liner 9 is fitted on the inner wall of housing 1, cathode 6 and electrolyte 7 from lower and
On be contained in successively in carbon liner 9, that is, prevent that there is corrosive cathode 6 directly to be contacted with housing 1, avoid " climbing wall " existing
As.It should be noted that the type of electrolyte 7 can be varied, can be liquid, or solid, can also be to appoint
What possible structure type.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, being additionally provided with housing 1 more
Mesoporous metal layer 8, porous metallic layers 8 are arranged between cathode 6 and carbon liner 9, also, in the end of porous metallic layers 8, i.e. figure
Shown left and right ends are embedded in carbon liner 9 respectively.It should be noted that when the shape of housing 1 is barrel-shaped, then it is more
The shape of mesoporous metal layer 8 is also circle, and at this time, the outer shroud edge of porous metallic layers 8 is embedded in carbon liner 9.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, carbon liner 9 includes water
The wall thickness of the flat bottom plate set, and the polylith riser (not shown) being arranged on bottom plate, bottom plate and riser is preferably between
3-10mm。
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, riser inside bottom is also
Equipped with groove, specifically, groove is used for the end for accommodating porous metallic layers 8, and cathode 6 is then arranged at the upper of porous metallic layers 8
Portion, i.e., inside housing 1, set carbon liner 9, porous metallic layers 8 and cathode 6,6 top of cathode sets electricity respectively from bottom to top
Matter 7 is solved, and anode 5 is then arranged in electrolyte 7.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, groove is highly preferred
Between 1-7mm, and the depth of groove is then preferably between 2-8mm.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, for carbon liner 9
One kind in material, preferably graphite, activated carbon, carbon fiber, carbon nanotubes and graphene, or the combination of many of material
Body.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, for porous metallic layers 8
Material, be preferably one kind in foamed iron, nickel foam, foamed aluminium, foam copper or titanium foam, or the group of many of material
It is fit.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, the middle part of head cover 2 is also opened
Equipped with through hole, insulating part 3 is additionally provided with through hole, insulating part 3 is used to anode leading-off rods 4 and housing 1 insulate, and prevents both
Conductive contact, forms short circuit.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, on insulating part 3, specifically
Fairlead is additionally provided with for the middle part of insulating part 3, one end of anode leading-off rods 4 is placed in fairlead, also, anode leading-off rods 4
Periphery is fixedly connected with fairlead, and the other end of anode leading-off rods 4, i.e., the lower end shown in figure are fixedly connected with anode 5.
The liquid metal cell of this structure, as previously described, because conductive carbon liner 9 is provided with inside housing 1, resistance
The cathode 6 that broken is contacted with the direct of the inner side of housing 1, the etching problem inside housing 1 is preferably resolved, in addition, porous metals
The setting of layer optimizes the contact between cathode metal and carbon liner, improves the electric conductivity of battery, and further improve
The thermal conductivity and security of liquid metal cell.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of liquid metal cell, it is characterised in that including housing (1) and the head cover being fixedly installed on the housing (1)
(2), housing (1) inner wall is equipped with conductive layer and cathode (6), and the housing (1) is built-in to fill electrolyte (7), the electricity
Anode (5) is additionally provided with solution matter (7), the anode (5) is equipped with anode leading-off rods (4), one end of the anode leading-off rods (4)
It is placed on the head cover (2), and insulate with the head cover (2)；
The conductive layer is carbon liner (9), and the outer wall of the carbon liner (9) is fitted on the inner wall of the housing (1), institute
Electrolyte (7) is stated to be contained in the carbon liner (9)；
Porous metallic layers (8) are additionally provided with the housing (1), the porous metallic layers (8) are arranged at carbon liner (9) bottom
Portion, and the end of the porous metallic layers (8) is embedded in the carbon liner (9).
2. liquid metal cell according to claim 1, it is characterised in that the carbon liner (9) includes horizontally disposed
Bottom plate, and be arranged at the polylith riser of the bottom plate, the wall thickness of the bottom plate and riser is between 3-10mm.
3. liquid metal cell according to claim 2, it is characterised in that the riser inside bottom, which is equipped with, to be used to accommodate
The groove of the porous metallic layers (8), the end of the porous metallic layers (8) are placed in the groove, and the cathode (6) is set
On the porous metallic layers (8) and it is partially submerged into inside porous metallic layers.
4. liquid metal cell according to claim 3, it is characterised in that the height of the groove is described between 1-7mm
The depth of groove is between 2-8mm.
5. liquid metal cell according to claim 4, it is characterised in that offer through hole in the middle part of the head cover (2), institute
State in through hole and be equipped with insulating part (3).
6. liquid metal cell according to claim 5, it is characterised in that fairlead is offered on the insulating part (3),
One end of the anode leading-off rods (4) is placed in the fairlead, and is fixedly connected with the fairlead, and the anode is drawn
The other end of bar (4) is fixedly connected with the anode (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720880337.5U CN207368145U (en) | 2017-07-20 | 2017-07-20 | A kind of liquid metal cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720880337.5U CN207368145U (en) | 2017-07-20 | 2017-07-20 | A kind of liquid metal cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368145U true CN207368145U (en) | 2018-05-15 |
Family
ID=62421676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720880337.5U Expired - Fee Related CN207368145U (en) | 2017-07-20 | 2017-07-20 | A kind of liquid metal cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368145U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841910A (en) * | 2019-02-28 | 2019-06-04 | 西安西电电气研究院有限责任公司 | A kind of liquid metal cell |
| CN110911691A (en) * | 2019-12-06 | 2020-03-24 | 武汉大学 | Positive current collector for improving stability of liquid metal battery |
| CN113243874A (en) * | 2021-04-28 | 2021-08-13 | 宁波方太厨具有限公司 | Cleaning machine and cleaning method |
-
2017
- 2017-07-20 CN CN201720880337.5U patent/CN207368145U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841910A (en) * | 2019-02-28 | 2019-06-04 | 西安西电电气研究院有限责任公司 | A kind of liquid metal cell |
| CN110911691A (en) * | 2019-12-06 | 2020-03-24 | 武汉大学 | Positive current collector for improving stability of liquid metal battery |
| CN113243874A (en) * | 2021-04-28 | 2021-08-13 | 宁波方太厨具有限公司 | Cleaning machine and cleaning method |
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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: 20180515 Termination date: 20200720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |