CN109065814A - Conductive composite diaphragm suitable for appositional pattern slurry battery - Google Patents
Conductive composite diaphragm suitable for appositional pattern slurry battery Download PDFInfo
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- CN109065814A CN109065814A CN201810904221.XA CN201810904221A CN109065814A CN 109065814 A CN109065814 A CN 109065814A CN 201810904221 A CN201810904221 A CN 201810904221A CN 109065814 A CN109065814 A CN 109065814A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/44—Fibrous material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Cell Separators (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The present invention provides a kind of conductive composite diaphragm suitable for appositional pattern slurry battery comprising separation layer, the conductive layer set on the separation layer two sides further include set on the insulating coating between the conductive layer and the separation layer；Wherein, the conductive layer, the insulating coating, the separation layer, the insulating coating and the conductive layer are stacked gradually and are bonded integrally, and the gap between adjacent two layers is not more than 10 μm；Two conductive layers and one layer of separation layer form a kind of conductive composite diaphragm, and the insulating coating is equipped between the conductive layer and the separation layer, dendrite is generated between the conductive layer and the separation layer so as to avoid ion, it prevents the separation layer to be pierced, improves the security performance of battery system；Conductive composite diaphragm realizes that the separation layer is integrated with the conductive layer, simplifies the battery structure of appositional pattern slurry battery, improves the mechanical strength and service life of internal cell volume utilization rate, conductive composite diaphragm.
Description
Technical field
The present invention relates to slurry battery technology fields, and in particular, to a kind of conduction suitable for appositional pattern slurry battery
Composite diaphragm.
Background technique
Appositional pattern slurry battery is a kind of novel energy-storing system for combining flow battery and conventional batteries advantage, used in
Active material be solid particle, be mixed to form slurry with electrolyte, form in the electrolytic solution is suspension, lotion or formation
Sedimentary.Appositional pattern slurry battery may be implemented the replacement of active material, therefore the service life of cell active materials wanted
Ask not high, by the way that equipment cost is shared part into maintenance cost, so that energy storage cost is greatly reduced, it is a kind of very ideal
Large-scale energy storage device.
Disclose a kind of lithium ion flow battery in the prior art, anode collection layer and negative pole currect collecting layer be located at every
The two sides of absciss layer and with separation layer be in close contact, constitute anode collection layer, separation layer and negative pole currect collecting layer sandwich composite construction
Layer；Several sandwich composite construction layers are arranged successively according to identical polar current collector layer sequence staggered relatively, and electrode suspension exists
Cell reaction between adjacent sandwich composite construction layer is intracavitary accomplished continuously or intermittently to be flowed.
But it has the following disadvantages: the gap between separation layer and current collector layer is the most highly active of electrochemical reaction
Point, and close to the active slurry of current collector layer, movement velocity is almost nil in flow process, therefore between separation layer and current collector layer
Gap active materials very likely generate dendrite, and since the dendrite of generation is directly contacted with separation layer, dendrite pole
It easily pierces through separation layer and causes biggish security risk, while also improving the risk of diaphragm blocking, and greatly reduce battery
Service life.
For this purpose, now provide it is a kind of be able to suppress dendrite formed and improved battery safety, service life be suitable for it is heavy
The conductive composite diaphragm of product type slurry battery.
Summary of the invention
The object of the present invention is to provide it is a kind of be able to suppress dendrite formed and improved battery safety, service life it is suitable
Conductive composite diaphragm for appositional pattern slurry battery.
To achieve the above object, the present invention provides a kind of conductive composite diaphragm suitable for appositional pattern slurry battery, packet
Separation layer is included, the conductive layer set on the separation layer two sides further includes set on exhausted between the conductive layer and the separation layer
Edge coating；Wherein, the conductive layer, the insulating coating, the separation layer, the insulating coating and the conductive layer successively layer
It folds and is bonded integrally, the gap between adjacent two layers is not more than 10 μm.
The separation layer is set as the porous polymeric using polyethylene or polypropylene or Kynoar or other electronic isolations
Separation layer made of object material；Alternatively, the separation layer is set as using glass fibre non-woven or non-woven fabrics of synthetic fiber or pottery
Separation layer made of the composite porous material of the inorganic non-metallic material and organic polymer of porcelain fibrous paper or other electronic isolations；
Alternatively, the separation layer is set as polymeric matrix, liquid organic plasticizers and the compound composition of lithium salts three using electronic isolation
Gel polymer electrolyte composite material made of separation layer.
The conductive layer be set as using with multi-through hole sheet metal or metal foil or metal grid through mechanical stamping or
Conductive layer made of chemical attack, the through-hole is rounded, oval, semicircle, rectangular, hexagon, triangle, diamond shape, ladder
Shape or non-specification polygon；Wherein, the surface of the sheet metal or the metal foil can also be coated with conductive carbon material and apply
Layer；When the conductive layer is used for anode collection layer, the sheet metal or metal foil or metal grid are set as using aluminium, alloy
Sheet metal made of aluminium, stainless steel, silver, tin, nickel or titanium or metal foil or metal grid；When the conductive layer is used for cathode collection
When fluid layer, the sheet metal or metal foil or metal grid are set as using copper, stainless steel, nickel, titanium, silver, tin, tin-coated copper, plating
Sheet metal made of ambrose alloy or silver-plated copper or metal foil or metal grid.
The conductive layer is set as the electron conducting layer with multiple through-holes, and the electron conducting layer is set as using Polyester Porous
Conductive layer made of one or more of silk conductive fabric, electric conduction of carbon fiber cloth, wire and organic fiber silk hybrid conductive cloth,
Alternatively, the electron conducting layer is using surface coating conductive carbon material coating or is coated with made of the organic material of metallic film
Conductive layer, the organic material include natural linen-cotton, terylene, aramid fiber, nylon, polypropylene, polyethylene, polytetrafluoroethylene (PTFE) and other
The good organic matter of stability；Wherein, the through-hole is round, oval, semicircle, rectangular, hexagon, triangle, water chestnut
Shape, trapezoidal or not specification polygon.
The conductive layer is set as the leading in single layer reticular structure or multilayer network structure made of conductive fiber weaves
Electric layer, alternatively, the conductive layer is set as the foam metal conductive layer with multiple through-holes；Wherein, the through-hole is round, oval
Shape, semicircle, rectangular, hexagon, triangle, diamond shape, trapezoidal or not specification polygon.As it is convertible be embodiment, institute
The plastic grid that conductive layer can also be set as package conductive material is stated, which can be conductive carbon material or metal etc..
Filled with insulation porous material or gel polymer electrolyte plasma conductors in the through-hole of the conductive layer
Material.
The insulating coating is coated in the conductive layer close to the one of the insulating layer using physical method and chemical method
Side；Wherein, the coating of the insulating coating is set as high-molecular organic material or inorganic ceramic material or other insulating materials.
The insulating coating coats the conductive layer using physical method and chemical method completely, and the conductive layer is close to slurry
The side of material the coating of the insulating coating is removed to exposed by polishing, heat treatment, chemical attack；
Wherein, the coating of the insulating coating is set as high-molecular organic material or inorganic ceramic material or other insulating materials；Again
It is removed by the insulating coating that physical method and chemical method will be close to slurry side, keeps conductive layer exposed.
The insulating coating with a thickness of 0.1nm~10 μm.
Adjacent two layers are using vacuum evaporation or plating or chemical plating or curtain coating or spin coating or spraying or hot pressing or silk-screen printing
Or inkjet printing or bonding or mechanical press are combined into one.
The present invention compared with the existing technology, has the following advantages that place:
In the present invention, two conductive layers and one layer of separation layer form a kind of conductive composite diaphragm, and in the conductive layer and institute
It states and is equipped with the insulating coating between separation layer, generate branch between the conductive layer and the separation layer so as to avoid ion
Crystalline substance prevents the separation layer to be pierced, improves the security performance of battery system；Meanwhile conductive composite diaphragm realize it is described
Separation layer is integrated with the conductive layer, simplifies the battery structure of appositional pattern slurry battery, improves internal cell volume
Utilization rate improves the mechanical strength and service life of conductive composite diaphragm.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross section structure schematic diagram of conductive composite diaphragm of the present invention；
Attached body description of symbols: 1- separation layer；2- conductive layer；3- insulating coating.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of conductive composite diaphragms suitable for appositional pattern slurry battery comprising separation layer
1, the conductive layer 2 set on 1 two sides of separation layer further includes applying set on the insulation between the conductive layer 2 and the separation layer 1
Layer 3；Wherein, the conductive layer 2, the insulating coating 3, the separation layer 1, the insulating coating 3 and the conductive layer 2 be successively
It is laminated and is bonded integrally, the gap between adjacent two layers is not more than 10 μm.
In the present embodiment, two conductive layers 2 and one layer of separation layer 1 form the conductive composite diaphragm, and lead described
The insulating coating 3 is equipped between electric layer 2 and the separation layer 1, so that the conductive layer 2 is close to the side of the separation layer 1
In the state coated by insulating coating 3, branch is generated between the conductive layer 2 and the separation layer 1 so as to avoid ion
Crystalline substance prevents the separation layer 1 from being pricked, improves the security performance of battery system；Meanwhile conductive composite diaphragm realize it is described every
Absciss layer 1 is integrated with the conductive layer 2, simplifies the battery structure of appositional pattern slurry battery, improves internal cell volume
Utilization rate improves the mechanical strength and service life of conductive composite diaphragm.
Specifically, the embodiment of the present invention insulating coating 3 with a thickness of 0.1nm~10 μm；Wherein, adjacent two layers are using true
Sky vapor deposition or plating or chemical plating or curtain coating or spin coating or spraying or hot pressing or silk-screen printing or inkjet printing or bonding or machinery
Pressing is combined into one, thus guarantee that the conductive layer 2 can fit closely to form conductive composite diaphragm with the separation layer 1,
And guarantee that the gap between adjacent two layers is no more than 10 μm.
Specifically, in the present embodiment, the separation layer 1 be set as using polyethylene or polypropylene or Kynoar or its
Separation layer 1 made of the porous polymer material of its electronic isolation；
As disposable embodiment, the separation layer 1 can also be set as using glass fibre non-woven or synthetic fibers without
The composite porous material of the inorganic non-metallic material and organic polymer of woven fabric or ceramic fiber paper or other electronic isolations is made
Separation layer 1；
Be further used as disposable embodiment, the separation layer 1 can also be set as the polymeric matrix using electronic isolation,
Separation layer 1 made of liquid organic plasticizers and the gel polymer electrolyte composite material of the compound composition of lithium salts three.
On the basis of the above embodiments, the embodiment of the present invention conductive layer 2 is set as using the metal foil with multi-through hole
Plate or metal foil or metal grid through conductive layer 2 made of mechanical stamping or chemical attack, the through-hole is rounded, it is oval,
Semicircle, rectangular, hexagon, triangle, diamond shape, trapezoidal or not specification polygon；Wherein, the sheet metal or the metal
The surface of foil can also be coated with conductive carbon material coating；When the conductive layer 2 is used for anode collection layer, the sheet metal
Or metal foil or metal grid are set as using sheet metal or metal foil made of aluminium, alloy aluminum, stainless steel, silver, tin, nickel or titanium
Or metal grid；When the conductive layer 2 is used for negative pole currect collecting layer, the sheet metal or metal foil or metal grid are set as adopting
The sheet metal made of copper, stainless steel, nickel, titanium, silver, tin, tin-coated copper, nickel-clad copper or silver-plated copper or metal foil or metal plate
Grid.In the present embodiment, it is selected according to different active materials using conductive layer 2. made of different metal
As disposable embodiment, the conductive layer 2 can also be set as the electron conducting layer 2 with multiple through-holes, described
Electron conducting layer 2 is set as using Polyester Porous silk conductive fabric, electric conduction of carbon fiber cloth, wire and organic fiber silk hybrid conductive cloth
One or more of made of conductive layer 2, alternatively, the electron conducting layer 2 using surface coating conductive carbon material coating or
Person is coated with conductive layer 2 made of the organic material of metallic film, and the organic material includes natural linen-cotton, terylene, aramid fiber, Buddhist nun
Dragon, polypropylene, polyethylene, polytetrafluoroethylene (PTFE) and the good organic matter of other stabilities；Wherein, the through-hole is round, ellipse
Round, semicircle, rectangular, hexagon, triangle, diamond shape, trapezoidal or not specification polygon.
As another disposable embodiment, the conductive layer 2 be can be set to made of conductive fiber weaves
In single layer reticular structure or the conductive layer of multilayer network structure 2, alternatively, the conductive layer 2 is set as the foam with multiple through-holes
Metal conducting layer 2；Wherein, the through-hole be round, oval, semicircle, rectangular, hexagon, triangle, diamond shape, it is trapezoidal or
Not specification polygon.
Further, filled with insulation porous material or gel polymerisation in the through-hole of the embodiment of the present invention conductive layer 2
Object electrolyte plasma conductors material further increases to prevent active slurry from entering in the through-hole of the conductive layer 2
The safety of the membrane layer.
In the present embodiment, the preferably described insulating coating 3 is coated in the conductive layer 2 using physical method and chemical method
Close to the side of the insulating layer；Wherein, the coating of the insulating coating 3 is set as high-molecular organic material or inorganic ceramic material
Or other insulating materials.
Certainly, as disposable embodiment, the insulating coating 3 can also be complete using physical method and chemical method
Full coat covers the conductive layer 2, and the conductive layer 2 is removed close to the side of slurry by polishing, heat treatment, chemical attack described exhausted
The coating of edge coating 3 is to exposed；
Wherein, the coating of the insulating coating 3 is set as high-molecular organic material or inorganic ceramic material or other insulating materials；Again
It is removed by the insulating coating 3 that physical method and chemical method will be close to slurry side, keeps conductive layer 2 exposed.
Embodiment 2
On the basis of embodiment 1, the present embodiment further provides for the tool of the conductive composite diaphragm for being suitable for fluidised form electrochemical cell
Preparation:
The conductive layer 2 is using 240 mesh metal nets at the metal mesh uses diameter to work out for 15 μm of wire；
The conductive layer 2 of contact anode sizing agent is made of aluminium wire, and the conductive layer 2 for contacting cathode is made of copper wire；It is described
Separation layer 1 uses dry method tension single layer PP diaphragm, and the porosity of the separation layer 1 is 50%, the separation layer 1 with a thickness of 10 μ
m；The coating of the insulating coating 3 is using the thermoplastic high molecular material to insulate；
When production, cladding processing is carried out to the conductive layer 2 first, part of the conductive layer 2 in addition to exit is all soaked
It in the coating for entering the insulating coating 3, then takes out and dries, so that a layer thickness is completely covered in the surface of the metal mesh is
The insulating coating 3 of 200nm；
Secondly, the conductive layer 2 of anode sizing agent, the separation layer 1 will be contacted and contact the conductive layer 2 of negative electrode slurry according to
It is secondary to stack, hot-pressing processing is then carried out, so that the softening of 3 part of insulating coating and 1 knot of separation layer on 2 surface of the conductive layer
It closes, to form preliminary conductive composite diaphragm；
Finally, two side external surfaces to preliminary conductive composite diaphragm carry out outside grinding process to the outer surface of the conductive layer 2
Dew, is then cleaned, is dried, and then obtain conductive composite diaphragm described in the present embodiment.
Obviously, above embodiment is only intended to clearly illustrate example, and does not limit the embodiments.
For those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or it changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this
Or it changes still within the protection scope of the invention.
Claims (10)
1. being suitable for the conductive composite diaphragm of appositional pattern slurry battery comprising separation layer (1) is set to the separation layer (1) two
The conductive layer (2) of side, it is characterised in that: further include set on the insulating coating between the conductive layer (2) and the separation layer (1)
(3)；Wherein, it the conductive layer (2), the insulating coating (3), the separation layer (1), the insulating coating (3) and described leads
Electric layer (2) is stacked gradually and is bonded integrally, and the gap between adjacent two layers is not more than 10 μm.
2. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: it is described every
Absciss layer (1) is set as using made of the porous polymer material of polyethylene or polypropylene or Kynoar or other electronic isolations
Separation layer (1)；Alternatively, the separation layer (1) is set as using glass fibre non-woven or non-woven fabrics of synthetic fiber or ceramic fibre
Separation layer (1) made of the composite porous material of the inorganic non-metallic material and organic polymer of paper or other electronic isolations；Or
Person, the separation layer (1) are set as polymeric matrix, liquid organic plasticizers and the compound composition of lithium salts three using electronic isolation
Gel polymer electrolyte composite material made of separation layer (1).
3. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: described to lead
Electric layer (2) is set as forming using the sheet metal or metal foil or metal grid with multi-through hole through mechanical stamping or chemical attack
Conductive layer (2), the through-hole is rounded, oval, semicircle, rectangular, hexagon, triangle, diamond shape, trapezoidal or not specification
Polygon；Wherein, the surface of the sheet metal or the metal foil can also be coated with conductive carbon material coating；It is led when described
When electric layer (2) is used for anode collection layer, the sheet metal or metal foil or metal grid are set as using aluminium, alloy aluminum, stainless
Sheet metal made of steel, silver, tin, nickel or titanium or metal foil or metal grid；When the conductive layer (2) are used for negative pole currect collecting layer
When, the sheet metal or metal foil or metal grid are set as using copper, stainless steel, nickel, titanium, silver, tin, tin-coated copper, nickel-clad copper
Or sheet metal or metal foil made of silver-plated copper or metal grid.
4. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: described to lead
Electric layer (2) is set as the electron conducting layer (2) with multiple through-holes, and the electron conducting layer (2) is set as leading using Polyester Porous silk
Conductive layer (2) made of one or more of electric cloth, electric conduction of carbon fiber cloth, wire and organic fiber silk hybrid conductive cloth,
Alternatively, the electron conducting layer (2) coats conductive carbon material coating using surface or is coated with the organic material system of metallic film
At conductive layer (2), the organic material includes natural linen-cotton, terylene, aramid fiber, nylon, polypropylene, polyethylene, polytetrafluoroethyl-ne
Alkene and the good organic matter of other stabilities；Wherein, the through-hole is round, oval, semicircle, rectangular, hexagon, three
Angular, diamond shape, trapezoidal or not specification polygon.
5. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: described to lead
Electric layer (2) is set as in single layer reticular structure or the conductive layer (2) of multilayer network structure made of conductive fiber weaves, or
Person, the conductive layer (2) are set as the foam metal conductive layer (2) with multiple through-holes；Wherein, the through-hole is round, oval
Shape, semicircle, rectangular, hexagon, triangle, diamond shape, trapezoidal or not specification polygon.
6. being suitable for the conductive composite diaphragm of appositional pattern slurry battery, feature according to any one of claim 3-5
It is: filled with insulation porous material or gel polymer electrolyte plasma conductors in the through-hole of the conductive layer (2)
Material.
7. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: described exhausted
Edge coating (3) is coated in the conductive layer (2) close to the side of the insulating layer using physical method and chemical method；Wherein,
The coating of the insulating coating (3) is set as high-molecular organic material or inorganic ceramic material or other insulating materials.
8. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: described exhausted
Edge coating (3) is coated the conductive layer (2) completely using physical method and chemical method, and the conductive layer (2) is close to slurry
Side the coating of the insulating coating (3) is removed to exposed by polishing, heat treatment, chemical attack；
Wherein, the coating of the insulating coating (3) is set as high-molecular organic material or inorganic ceramic material or other insulating materials；
It is removed again by the insulating coating (3) that physical method and chemical method will be close to slurry side, keeps conductive layer (2) exposed.
9. the conductive composite diaphragm according to claim 7 or 8 suitable for appositional pattern slurry battery, it is characterised in that: institute
State insulating coating (3) with a thickness of 0.1nm~10 μm.
10. the conductive composite diaphragm according to claim 1 suitable for appositional pattern slurry battery, it is characterised in that: adjacent
Two layers using vacuum evaporation or plating or chemical plating or curtain coating or spin coating or spraying or hot pressing or silk-screen printing or inkjet printing or
Bonding or mechanical press are combined into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904221.XA CN109065814A (en) | 2018-08-09 | 2018-08-09 | Conductive composite diaphragm suitable for appositional pattern slurry battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904221.XA CN109065814A (en) | 2018-08-09 | 2018-08-09 | Conductive composite diaphragm suitable for appositional pattern slurry battery |
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| Publication Number | Publication Date |
|---|---|
| CN109065814A true CN109065814A (en) | 2018-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810904221.XA Pending CN109065814A (en) | 2018-08-09 | 2018-08-09 | Conductive composite diaphragm suitable for appositional pattern slurry battery |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799499A (en) * | 2020-05-27 | 2020-10-20 | 广西华政新能源科技有限公司 | Lithium iron phosphate lithium ion battery for hot water kettle |
| WO2021021772A1 (en) * | 2019-07-29 | 2021-02-04 | TeraWatt Technology Inc. | Anode-free solid state battery having a pseudo-solid lithium gel layer |
| US11271253B2 (en) | 2019-07-29 | 2022-03-08 | TeraWatt Technology Inc. | Cylindrical anode-free solid state battery having a pseudo-solid lithium gel layer |
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| CN104795583A (en) * | 2014-01-21 | 2015-07-22 | 北京好风光储能技术有限公司 | Novel lithium ion flow battery |
| CN105186006A (en) * | 2014-06-17 | 2015-12-23 | 北京好风光储能技术有限公司 | Composite porous current collector, and preparation method and application thereof |
| CN106469821A (en) * | 2015-08-21 | 2017-03-01 | 北京好风光储能技术有限公司 | A kind of half fluidised form lithium flow battery |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795583A (en) * | 2014-01-21 | 2015-07-22 | 北京好风光储能技术有限公司 | Novel lithium ion flow battery |
| CN105186006A (en) * | 2014-06-17 | 2015-12-23 | 北京好风光储能技术有限公司 | Composite porous current collector, and preparation method and application thereof |
| CN106469821A (en) * | 2015-08-21 | 2017-03-01 | 北京好风光储能技术有限公司 | A kind of half fluidised form lithium flow battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021021772A1 (en) * | 2019-07-29 | 2021-02-04 | TeraWatt Technology Inc. | Anode-free solid state battery having a pseudo-solid lithium gel layer |
| US11271253B2 (en) | 2019-07-29 | 2022-03-08 | TeraWatt Technology Inc. | Cylindrical anode-free solid state battery having a pseudo-solid lithium gel layer |
| CN111799499A (en) * | 2020-05-27 | 2020-10-20 | 广西华政新能源科技有限公司 | Lithium iron phosphate lithium ion battery for hot water kettle |
| CN111799499B (en) * | 2020-05-27 | 2021-11-12 | 广西华政新能源科技有限公司 | Lithium iron phosphate lithium ion battery for hot water kettle |
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Application publication date: 20181221 |