CN101645506A - Current collector, preparation method thereof and battery having same - Google Patents
Current collector, preparation method thereof and battery having same Download PDFInfo
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- CN101645506A CN101645506A CN200810144092A CN200810144092A CN101645506A CN 101645506 A CN101645506 A CN 101645506A CN 200810144092 A CN200810144092 A CN 200810144092A CN 200810144092 A CN200810144092 A CN 200810144092A CN 101645506 A CN101645506 A CN 101645506A
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- plastic plate
- hole
- collector
- graphite flake
- thickness
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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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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention provides a current collector of a flow battery, which comprises a plastic plate. The plastic plate is provided with at least one through hole which is embedded with a graphite flake; thethrough hole tightly contacts the graphite flake such that the current collector can separate liquid; and the area sum of the cross section of the through hole is 5-95 percent of the surface area ofthe plastic plate. The invention also discloses a preparation method for the current collector of the flow battery, which comprises the steps of forming at least one through hole in the plastic plate;embedding a graphite flake into the through hole, wherein the through hole is tightly contacted with the graphite flake such that the current collector can separate the liquid, and the area sum of the cross section of the through hole is 5-95 percent of the surface area of the plastic plate. The invention also provides a flow battery. The internal resistance of the battery prepared by the currentcollector provided by the invention is roughly equal to that of the battery prepared by the current collector of a pure graphite plate, but has low cost.
Description
Technical field
The present invention relates to a kind of collector and preparation method thereof and comprise the battery of this collector.
Background technology
Flow battery is a kind of novel energy storage cell.For reducing the pile volume, it is integrated to improve pile, the general double-face electrode that uses in all-vanadium flow battery, and described double-face electrode is the graphite that comprises collector and be positioned at the collector both sides.Because collector is worked in the environment of strong acid and strong oxidizing property usually, so the material of collector must have excellent decay resistance.In addition, in order to reduce internal resistance as much as possible, in the battery assembling process, apply certain pressure collector is closely contacted with graphite felt, therefore, the material of collector should have certain mechanical strength.In the prior art, collector adopts the high-density graphite plate usually, to play the effect of blocking solution and conduction.Because easily brittle failure of graphite cake material itself, the graphite cake of bulk are easily stressed inhomogeneous in the battery assembling process, break in this process easily; And highdensity graphite cake is very expensive, and therefore, this has limited the application of graphite cake as collector to a certain extent.
Summary of the invention
The objective of the invention is in order to overcome the higher defective of collector cost that prior art provides, a kind of lower-cost collector and preparation method thereof and the flow battery that comprises this collector are provided.
The invention provides a kind of collector of flow battery, wherein, this collector comprises plastic plate, this plastic plate has at least one through hole, be inlaid with graphite flake in the described through hole, described through hole and graphite flake closely contact and make this afflux physical efficiency liquid barrier, and the cross-sectional area sum of described through hole accounts for the 5-95% of the surface area of described plastic plate.
The present invention also provides a kind of preparation method of collector of flow battery, wherein, this method is included in to form at least one through hole in the plastic plate and make in the described through hole and is inlaid with graphite flake, described through hole and graphite flake closely contact and make this afflux physical efficiency liquid barrier, and the cross-sectional area sum of described through hole accounts for the 5-95% of the surface area of described plastic plate.
The present invention also provides a kind of flow battery, this battery comprises a plurality of electrodes, anodal electrolyte, negative pole electrolyte, barrier film and battery container, described electrode, anodal electrolyte, negative pole electrolyte and barrier film are contained in the described battery container, described barrier film is between two adjacent electrodes, described barrier film both sides contact with negative pole electrolyte with anodal electrolyte respectively, described electrode comprises collector and electronic pads, described electrode comprises electronic pads and collector, wherein, described collector is a collector provided by the invention, and described electronic pads contacts with described collector.
Collector provided by the invention has higher electric conductivity, and especially when graphite flake is evenly distributed in the plastic plate, as the internal resistance of adopting the battery that collector provided by the invention makes is suitable substantially with the internal resistance of making the battery that collector makes of pure graphite cake.In addition, owing to adopt plastics as holder, the graphite flake sectional area diminishes and makes collector provided by the invention have mechanical strength preferably; Collector particularly provided by the invention is more with low cost than the graphite cake.
Description of drawings
Fig. 1: be the front schematic view of collector provided by the invention, wherein, dash area is a graphite, and other parts are plastics.
Fig. 2: for preparing the mould schematic diagram that collector of the present invention adopts, this mould comprises upper die and lower die.Figure below among Fig. 2 A is the vertical view of patrix, and the last figure among Fig. 2 A is the cutaway view along the A-A line of patrix; Figure below among Fig. 2 B is the vertical view of counterdie, and the last figure among Fig. 2 B is the cutaway view along the B-B line of counterdie; 1 is bayonet socket, and 2 is counterbore, and wherein, the shape of counterbore, quantity, position all can change arbitrarily.
Embodiment
The invention provides a kind of collector of flow battery, wherein, this collector comprises plastic plate, this plastic plate has at least one through hole, be inlaid with graphite flake in the described through hole, described through hole and graphite flake closely contact and make this afflux physical efficiency liquid barrier, and the cross-sectional area sum of described through hole accounts for the 5-95% of the surface area of described plastic plate.Described liquid barrier is meant that liquid can not arrive the opposite side of collector from a side of described collector by collector.The surface area of described plastic plate is meant the single face area (area that comprises through hole) on the surface that is distributed with described through hole of plastic plate.
Although, the area sum of described through hole accounts for 5% o'clock of surface area of described plastic plate, described collector has had electric conductivity preferably, but in order further to improve the conductivity of described collector, one preferred embodiment in, the area sum of described through hole and the surface area of described plastic plate are greater than 10%; In order to reduce the cost of described collector, the area sum of described through hole and the surface area of described plastic plate are less than 35%.Therefore, under the preferable case, the area sum of described through hole accounts for the surface area 10-50% of described plastic plate, most preferably is 10-35%.
In order further to improve the conductivity of described collector, one preferred embodiment in, described through hole is a plurality of, described through hole can arbitrarily distribute, a kind of preferred embodiment in, described through hole is evenly distributed in the described plastic plate.Described even distribution is meant that the line of centres of adjacent two through holes equates.According to this preferred implementation, can further reduce the internal resistance of collector and improve the mechanical strength of collector.The cross-sectional area of described through hole is not particularly limited, but in order further to improve the mechanical strength of collector, the area of each through hole can be the 1-4900 square millimeter, is preferably the 25-2500 square millimeter.
The shape of described through hole can be Any shape, is preferably circle, ellipse, square, triangle, in trapezoidal one or more.
The thickness of described graphite flake is not particularly limited, can be less than the thickness of described plastic plate, and also can be more than or equal to the thickness of described plastic plate.In order to reduce the resistance between collector and the graphite felt, a kind of preferred embodiment in, the thickness of described graphite flake is more than or equal to the thickness of described plastic plate, makes the both side surface of the graphite flake of collector of the present invention be positioned on the identical plane with the corresponding both side surface of described plastic plate or slightly stretches out the surface of the corresponding both sides of described plastic plate; A kind of preferred embodiment in, the thickness of described graphite is 1-2 with the ratio of the thickness of described plastic plate: 1, be preferably 1.05-1.3: 1.The thickness of described plastic plate can be the conventional thickness of current collector of liquid flow battery body, for example can be the 2-5 millimeter, and the thickness of described graphite flake can be the 2-7 millimeter.
The material of described plastic plate can be preferably nylon (PA) for the plastics of the electrolyte of any anti-flow battery, acrylonitrile-butadiene-styrene terpolymer (ABS), polyacrylonitrile (PAN), polybutylene terephthalate (PBT), Merlon (PC), Poly-s 179 (PES), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), polyformaldehyde (POM), polypropylene (PP), polystyrene (PS), polysulfones (PSU), polyvinyl chloride (PVC), polyurethane (PU), polyvinyl alcohol (PVA), in phenolic resins (PF) and the polyethylene (PE) one or more; Most preferably be among PP, PVC, PE, PS and the PC one or more.These plastics can be by commercially available.
The present invention also provides a kind of preparation method of collector of flow battery, this method is included in to form at least one through hole in the plastic plate and make in the described through hole and is inlaid with graphite flake, described through hole and graphite flake closely contact and make this afflux physical efficiency liquid barrier, and the cross-sectional area sum of described through hole accounts for the 5-95% of the surface area of described plastic plate.
According to one preferred embodiment, described in plastic plate, form at least one through hole and the method that is inlaid with graphite flake in the described through hole comprised be pressed in the plastic plate after graphite flake is heated to the melt temperature that is equal to or higher than plastic plate, remove two lip-deep plastics of graphite flake then, described method of removing two lip-deep plastics of graphite flake can adopt the sand paper friction.For example, adopt the equipment preparation shown in the accompanying drawing 2, plastic plate is placed in the patrix shown in Fig. 2 A, fix by bayonet socket, the graphite of fritter is placed in the counterdie shown in Fig. 2 B, be heated to pressing mold after the temperature of plastic melt, graphite flake promptly embeds in the plastic plate, and the plastics of thawing flow out from the counterbore 2 of upper and lower mould.After the cooling, the plastics that grind off graphite surface get final product.
In another preferred embodiment, described in plastic plate, form at least one through hole and the method that is inlaid with graphite flake in the described through hole comprised on plastic plate, form at least one through hole earlier, the cross-sectional area of through hole is less than the cross-sectional area of graphite flake, is pressed in the through hole after then graphite flake being heated to the melt temperature that is equal to or higher than plastic plate.
Consider that from the conductivity angle of the collector of the angle of cost of preparation collector and preparation the cross-sectional area sum of described through hole accounts for the 10-50% of the surface area of described plastic plate, most preferably is 10-35%.
In order further to improve the conductivity and the mechanical strength of the collector of preparation, one preferred embodiment in, described through hole is a plurality of, described through hole can arbitrarily distribute; A kind of preferred embodiment in, described through hole is evenly distributed in the described plastic plate.The cross-sectional area of through hole has no particular limits, and in order to increase the mechanical strength of described collector, the cross-sectional area of each through hole can be the 1-4900 square millimeter, is preferably the 25-2500 square millimeter.The shape of described through hole can be Any shape, in order to save production cost, is preferably circle, ellipse, square, triangle, in trapezoidal one or more.
The thickness of described graphite flake is not particularly limited, can be less than the thickness of described plastic plate, and also can be more than or equal to the thickness of described plastic plate.When the thickness of described graphite flake during less than the thickness of described plastic plate, can be electronic pads and collector is bonding by electroconductive binder.In order to reduce the resistance between collector and the electronic pads, a kind of preferred embodiment in, the thickness of described graphite flake is more than or equal to the thickness of described plastic plate, makes the both side surface of the graphite flake of collector of the present invention be positioned on the identical plane with the corresponding both side surface of described plastic plate or slightly stretches out the surface of the corresponding both sides of described plastic plate; A kind of preferred embodiment in, the thickness of described graphite is 1-2 with the ratio of the thickness of described plastic plate: 1, be preferably 1.05-1.3: 1.Usually, the thickness of described plastic plate is the 2-5 millimeter, and the thickness of described graphite flake is the 2-7 millimeter.In this case, can make collector of the present invention and graphite felt bonding by electroconductive binder or pressurization.
The present invention also provides a kind of flow battery, this battery comprises a plurality of electrodes, anodal electrolyte, negative pole electrolyte, barrier film and battery container, described electrode, anodal electrolyte, negative pole electrolyte and barrier film are contained in the described battery container, described barrier film is between two adjacent electrodes, described barrier film both sides contact with negative pole electrolyte with anodal electrolyte respectively, described electrode comprises collector and electronic pads, wherein, described collector is a collector provided by the invention, and described electrode contacts with described collector.Described flow battery can be any flow battery, as all-vanadium flow battery, sodium/sulphur flow battery or zinc/bromine flow battery.Electrolyte can be the electrolyte that any flow battery adopted, and for example, for all-vanadium flow battery, described anodal electrolyte can be for containing V
4+/ V
5+The solution of oxidation-reduction pair, V
4+And V
5+Total concentration can rub for 1.0-5.0/liter; Described negative pole electrolyte can be for containing V
2+/ V
3+The solution of oxidation-reduction pair, V
2+And V
3+Total concentration can rub for 1.0-5.0/liter.Under the preferable case, described anodal electrolyte is vanadic sulfate (IV/V) or halogenation vanadium (IV/V) solution, the concentration of described vanadic sulfate (IV/V) solution be 1.0-2.0 rub/liter, the concentration of described halogenation vanadium (IV/V) solution be 3.0-5.0 rub/liter; Described negative pole electrolyte is vanadic sulfate (II/III) or halogenation vanadium (II/III) solution, the concentration of described vanadic sulfate (II/III) solution be 1.0-2.0 rub/liter, the concentration of described halogenation vanadium (II/III) solution be 3.0-5.0 rub/liter.Described electronic pads can be graphite felt, is preferably the graphite felt of polyacrylonitrile-radical.
This embodiment is used to illustrate collector provided by the invention.
The high-density graphite plate (prosperous source, Beijing carbon element Co., Ltd) of bulk is cut into square fritter (length * wide * height: 30 millimeters * 30 millimeters * 5 millimeters), polypropylene board (length * wide * height: 300 millimeters * 300 millimeters * 4 millimeters) is placed in the patrix, fix by bayonet socket, the graphite of fritter is placed on is heated to 160 ℃ in the counterdie, pressing mold, graphite flake promptly embeds in the polypropylene board.After the cooling, remove the polypropylene of graphite surface.Wherein said graphite block is evenly distributed in the described polypropylene board, the cross-sectional area sum of graphite flake (being the cross-sectional area sum of through hole) account for described polypropylene board surface area 35%.
This embodiment is used to illustrate collector provided by the invention.
The high-density graphite plate (prosperous source, Beijing carbon element Co., Ltd) of bulk is cut into square fritter (length * wide * height: 70 millimeters * 70 millimeters * 4.5 millimeters), PVC plate (length * wide * height: 300 millimeters * 300 millimeters * 4 millimeters) is placed in the patrix, fix by bayonet socket, the graphite of fritter is placed on is heated to 240 ℃ in the counterdie, pressing mold, graphite flake promptly embed in the PVC plate.After the cooling, remove the PVC of graphite surface.Wherein said graphite block is evenly distributed in the described PVC plate, the cross-sectional area sum of graphite flake (being the cross-sectional area sum of through hole) account for described PVC plate surface area 5%.
Embodiment 3
This embodiment is used to illustrate collector provided by the invention.
With diameter is that to be cut into thickness be 8 millimeters fritter for 3 millimeters high-density graphite rod (prosperous source, Beijing carbon element Co., Ltd), PE plate (length * wide * height: 300 millimeters * 300 millimeters * 4 millimeters) is placed in the patrix, fix by bayonet socket, the graphite of fritter is placed on is heated to 100 ℃ in the counterdie, pressing mold, graphite flake promptly embeds among the PE.After the cooling, remove the PE of graphite surface.Wherein said graphite block is evenly distributed among the described PE, the cross-sectional area sum of graphite flake (being the cross-sectional area sum of through hole) account for described PE plate surface area 10%.
Embodiment 4
This embodiment is used to illustrate collector provided by the invention.
With diameter is that to be cut into thickness be 4 millimeters fritter for 3 millimeters high-density graphite rod (prosperous source, Beijing carbon element Co., Ltd), PS plate (length * wide * height: 300 millimeters * 300 millimeters * 4 millimeters) is placed in the patrix, fix by bayonet socket, the graphite of fritter is placed on counterdie, in be heated to 270 ℃, pressing mold, graphite flake promptly embed in the PS plate.After the cooling, grind off the PS of graphite surface.Wherein said graphite block is non-uniformly distributed in the described PS plate.The cross-sectional area sum of graphite flake (being the cross-sectional area sum of through hole) account for the PS of institute plate surface area 90%.
Embodiment 5
This embodiment is used to illustrate collector provided by the invention.
The high-density graphite plate (prosperous source, Beijing carbon element Co., Ltd) of bulk is cut into square fritter (length * wide * height: 50 millimeters * 50 millimeters * 5 millimeters), PC plate (length * wide * height: 300 millimeters * 300 millimeters * 4 millimeters) is placed in the patrix, fix by bayonet socket, the graphite of fritter is placed on counterdie, in be heated to 230 ℃, pressing mold, graphite flake promptly embed in the PC plate.After the cooling, remove the PC of graphite surface.Wherein said graphite block is evenly distributed in the described PC plate, the cross-sectional area sum of graphite flake (being the cross-sectional area sum of through hole) account for described PC plate surface area 25%.
Embodiment 6-10
These embodiment are used to illustrate all-vanadium flow battery provided by the invention.
1, the preparation of initial electrolysis liquid
245 milliliters of concentrated sulfuric acids are added in 255 ml deionized water, be heated to 90 ℃, under the constant temperature, slowly add 56.20 gram V
2O
3Powder and 68.20 gram V
2O
5Powder, and stirring 60 minutes is settled to 1000 milliliters with deionized water after being cooled to room temperature, makes 1: 1 initial electrolysis liquid after electrolysis.
2, the preparation of battery
As collector,, directly adopt pressure to contact the formation electrode between collector and the electronic pads collector of embodiment 1-5 preparation with polyacrylonitrile graphite felt electronic pads (length of electrode * wide * height is 182 millimeters * 258 millimeters * 8 millimeters).Wherein, contact an electronic pads respectively, contact an electronic pads respectively on other surface of two collectors on two surfaces of a collector.As barrier film, be of a size of 300 millimeters * 300 millimeters with the Nation117 of E.I.Du Pont Company, barrier film places the middle of per two adjacent electrodes.The material of battery container is a PP sheet material, and the length of battery container * wide * height is 300 millimeters * 300 millimeters * 8 millimeters.Encapsulant adopts the fluorubber sheet.Initial electrolysis liquid is injected battery, and seal.The battery C1-C5 that makes.
Comparative Examples 1
This Comparative Examples is used to the all-vanadium flow battery that illustrates that prior art provides.
According to the described method assembled battery of embodiment 6-10 CC1, different is that current collector material is pure graphite cake (prosperous source, Beijing carbon element Co., Ltd, length * wide * height: 300 millimeters * 300 millimeters * 5 millimeters).
The resistance detection of battery
Respectively the resistance of the battery of the battery of embodiment 6-10 preparation and Comparative Examples preparation being placed ambient temperature is under 20 ± 5 ℃ the condition, with 5A charging 14 hours, after charging finishes, shelved 1 hour, use BS-VR internal resistance of cell tester (a day company is held up in Guangzhou) to measure interchange (AC) resistance of battery then, what record the results are shown in the table 1.
Table 1
| ????C1 | ????C2 | ????C3 | ????C4 | ????C5 | ????CC1 | |
| Internal resistance (milliohm) | ????10.5 | ????18 | ????11 | ????10.2 | ????10.8 | ????10.2 |
The internal resistance of the battery of being made by collector provided by the invention is almost suitable with the internal resistance of the battery of being made as collector by pure graphite cake as can be seen from Table 1, but its cost is lower than the cost of graphite cake, especially when the cross-sectional area sum of graphite flake in the collector provided by the invention is the long-pending 10-50% of plastic sheet surface.
Claims (16)
1, a kind of collector of flow battery, it is characterized in that, this collector comprises plastic plate, this plastic plate has at least one through hole, be inlaid with graphite flake in the described through hole, described through hole and graphite flake closely contact and make this afflux physical efficiency liquid barrier, and the cross-sectional area sum of described through hole accounts for the 5-95% of the surface area of described plastic plate.
2, collector according to claim 1, wherein, the cross-sectional area sum of described through hole accounts for the 10-50% of the surface area of described plastic plate.
3, collector according to claim 1 and 2, wherein, described through hole is a plurality of, a plurality of through holes are evenly distributed in the described plastic plate.
4, collector according to claim 3, wherein, described through hole be shaped as circle, ellipse, square, triangle and trapezoidal in one or more.
5, collector according to claim 1, wherein, the thickness of described graphite flake is more than or equal to the thickness of described plastic plate.
6, collector according to claim 1 or 5, wherein, the thickness of described graphite flake is 1-2 with the ratio of the thickness of described plastic plate: 1.
7, collector according to claim 1 and 2, wherein, the material of described plastic plate is one or more in nylon, acrylonitrile-butadiene-styrene terpolymer, polyacrylonitrile, polybutylene terephthalate, Merlon, Poly-s 179, polyethylene terephthalate, polymethyl methacrylate, polyformaldehyde, polypropylene, polystyrene, polysulfones, polyvinyl chloride, polyurethane, polyvinyl alcohol, phenolic resins and the polyethylene.
8, a kind of preparation method of collector of flow battery, it is characterized in that, this method is included in to form at least one through hole in the plastic plate and make in the described through hole and is inlaid with graphite flake, described through hole and graphite flake closely contact and make this afflux physical efficiency liquid barrier, and the cross-sectional area sum of described through hole accounts for the 5-95% of the surface area of described plastic plate.
9, method according to claim 8, wherein, described in plastic plate, form at least one through hole and the method that is inlaid with graphite flake in the described through hole comprised be pressed in the plastic plate after graphite flake is heated to the melt temperature that is equal to or higher than plastic plate, remove the plastics on the graphite flake both side surface then.
10, according to Claim 8 or 9 described methods, wherein, the cross-sectional area sum of described through hole accounts for the 10-50% of the surface area of described plastic plate.
11, according to Claim 8 or 9 described methods, wherein, described through hole is a plurality of, and described a plurality of through holes are evenly distributed in the described plastic plate.
12, method according to claim 11, wherein, described through hole be shaped as circle, ellipse, square, triangle and trapezoidal in one or more.
13, according to Claim 8 or 9 described methods, wherein, the thickness of described graphite flake is more than or equal to the thickness of described plastic plate.
14, method according to claim 13, wherein, the thickness of described graphite flake is 1-2 with the ratio of the thickness of described plastic plate: 1.
15, according to Claim 8 or 9 described methods, wherein, the material of described plastic plate is one or more in nylon, acrylonitrile-butadiene-styrene terpolymer, polyacrylonitrile, polybutylene terephthalate, Merlon, Poly-s 179, polyethylene terephthalate, polymethyl methacrylate, polyformaldehyde, polypropylene, polystyrene, polysulfones, polyvinyl chloride, polyurethane, polyvinyl alcohol, phenolic resins and the polyethylene.
16, a kind of flow battery, this battery comprises a plurality of electrodes, anodal electrolyte, negative pole electrolyte, barrier film and battery container, described electrode, anodal electrolyte, negative pole electrolyte and barrier film are contained in the described battery container, described barrier film is between two adjacent electrodes, described barrier film both sides contact with negative pole electrolyte with anodal electrolyte respectively, described electrode comprises collector and electronic pads, it is characterized in that, described collector is any described collector among the claim 1-7, and described electronic pads contacts with described graphite flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810144092A CN101645506A (en) | 2008-08-06 | 2008-08-06 | Current collector, preparation method thereof and battery having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810144092A CN101645506A (en) | 2008-08-06 | 2008-08-06 | Current collector, preparation method thereof and battery having same |
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| CN101645506A true CN101645506A (en) | 2010-02-10 |
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ID=41657279
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| CN200810144092A Pending CN101645506A (en) | 2008-08-06 | 2008-08-06 | Current collector, preparation method thereof and battery having same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810895A (en) * | 2014-12-30 | 2016-07-27 | 苏州宝时得电动工具有限公司 | Positive electrode, and battery containing same |
| CN105810950A (en) * | 2014-12-30 | 2016-07-27 | 苏州宝时得电动工具有限公司 | Battery |
| CN106450362A (en) * | 2016-11-11 | 2017-02-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium battery electrode component |
| WO2019153276A1 (en) * | 2018-02-09 | 2019-08-15 | 深圳前海优容科技有限公司 | Battery, battery cell, and current collector |
| CN110767910A (en) * | 2018-07-26 | 2020-02-07 | 柯品聿 | Method for manufacturing current collecting base layer and current collector |
| CN111370721A (en) * | 2020-03-19 | 2020-07-03 | 辽宁科京新材料科技有限公司 | Bipolar plate for flow battery |
-
2008
- 2008-08-06 CN CN200810144092A patent/CN101645506A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810895A (en) * | 2014-12-30 | 2016-07-27 | 苏州宝时得电动工具有限公司 | Positive electrode, and battery containing same |
| CN105810950A (en) * | 2014-12-30 | 2016-07-27 | 苏州宝时得电动工具有限公司 | Battery |
| CN106450362A (en) * | 2016-11-11 | 2017-02-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium battery electrode component |
| CN106450362B (en) * | 2016-11-11 | 2019-05-03 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of vanadium battery electrode component |
| WO2019153276A1 (en) * | 2018-02-09 | 2019-08-15 | 深圳前海优容科技有限公司 | Battery, battery cell, and current collector |
| CN110767910A (en) * | 2018-07-26 | 2020-02-07 | 柯品聿 | Method for manufacturing current collecting base layer and current collector |
| CN111370721A (en) * | 2020-03-19 | 2020-07-03 | 辽宁科京新材料科技有限公司 | Bipolar plate for flow battery |
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