ELECTRODE STRUCTURE, METHOD FOR MANUFACTURING THEREOF AND USE THEREOF, AND STACK STRUCTURE OF REDOX FLOW BATTERY

Hereinafter, with reference to the attached drawing in the embodiment of the present invention are described in detail as follows. The purpose of the invention, feature, advantage of easily understand through hereinafter in the embodiment will be described. The present invention refers to a in the embodiment are described herein and is not limited to, other are embodied in the form disapproval. In the embodiment of the present invention wherein the present invention is introduced to a person with skill in the art is provided to event number which can be transmitted sufficiently in order to ball are disclosed. In the embodiment of the present invention hereinafter by the number back like the one immediately after being turned off.

In the present invention that the "comprising" when any portion of any components, particularly the opposite substrate [...] number but without other components further can include other components which means that the other.

In the present invention that the "on" position when any member other members, as well as any other elements member joined to another if there is between the two members when members comprises a unit.

In the present invention "conductive" RM big electrical conductivity.

"Porous" RM 2 nm or more in the present invention including pore or hole having a size be used when big.

More specifically composed of material degree volume of 15 - 95% porous holes are disclosed. Representative porous material include activated carbon (Activated carbon) flow tides. Porous carbon solid structures etc. be used multiple of fine holes and an electron emission material.

With reference to, the constitution of the invention hereinafter described in one of the same construction as described in said [the background of the invention techniques] art detailed description dispensed to each other.

According to one embodiment of the present invention is also 2a form, porous electrode (110) comprising an electrode structure (100) are disclosed.

According to one embodiment of the present invention is also 2b form, electrode structure (100) comprising a laminated structure including a drawing indicating a redox flow cell to determine are disclosed.

In the embodiment according to of the present invention one electrode structure (100) is, positive electrodes; said opposite electrodes with a positive and a negative electrode; said electrodes and said substances is provided between the positive and negative electrode (130) can be comprising. Said porous conductive material including at least one of the porous electrodes and binder said positive and negative electrodes (110) may be, porous electrode (110) or mesh pattern layer can be formed on at least one side. Porous electrode (110) a bipolar plate and a felt electrode glasses can be around nuclear fuel. Said pattern layer or mesh layer integral porous electrode (110) of a piston by a partition wall to increase the specific surface of the can.

Said porous electrode structure having an integral joining plasticizer can be.

Said porous conductive material, conductive material number 1 having porous structure; and carbon-based material, metal and carbon-based material coated metal including number 2 can be at least 1 or more from the group consisting of conductive material.

A process number for said number 1 conductive material is porous material for wide [...] (carbon-based substance or the like) may be, for improving be a number 2 conductive material is conductive carbon-based material. Said number 1 and number 2 conductive material is preferably conductive material but using different materials, use of the same material as the non-are not correct.

Said number 1 conductive material is porous structure material with high specific surface area can be. Specifically, a specific surface area conductive material is said number 1 1m² /G or more, preferably 500m² /G to 3, 000m² Implementation being/g.

Said number 1 can be carbon-based material comprises conductive material. Said carbon total material activated carbon, graphite (graphite), carbon black, acetylene black, black [...], [khey tsien black, active carbon, mesoporous carbon, yes pin, carbon nanotube, carbon nanofibers, carbon [...], carbon [...], carbon nanowire, selected from the group consisting of fullerene and carbon super P comprising a mixture of one or more can be, preferably can be activated.

A specific surface area as conductive material said number 1 500m² /G or more redox (oxidation, reduction) carbon-based material as the periphery of the device region can be sufficient reaction, using bipolar plate of conductive carbon material can be felt electrode acts as both.

Said number 2 conductive material is carbon-based material; metal; and carbon-based material can be coated with metal from the group consisting of at least 1 or more.

Said metal is Cu, Al, Ti, Au, Pt, Fe, Ag, Si, Sn, Bi, Mg, Zn, In, Ge and Pb 2 consisting of a single metal or metal alloy selected from the group consisting at least one it can be, without limited to metal conductive holes available disclosed.

The present invention relates to said aforementioned efined carbon-based material

Polytetrafluoroethylene (PTFE) said binder, poly vinyl the flow which is burnt the id (PVDF), carboxymethylcellulose (CMC), polyvinyl alcohol (PVA), polyvinyl butyl [...] (PVB), polyvinyl pyrrolidone (PVP), polyethylene (PE), father hit diene rubber (SBR) molasses and styrene can be selected from the group consisting of 1 or more. But are not limited to porous electrode can take on the role of conjugates can be substance bound if available disclosed.

Specifically, said porous electrode binder (110)-molding the materials comprising the filling density is connected to increases or, minimal effect on strength of the frangible upper portion film and includes can.

Too high viscosity of said binder and the porous electrode (110) mixing with said difficult cases is added to the materials comprising the binder dispersion medium viscosity of binder can be properly controlled. The terms said dispersing medium may be mixed with a solvent, specifically ethanol, acetone, isopropyl alcohol, methyl pyrrolidone, propylene writing cone either alone or in organic solvents or water such as meta limited to but are not correct.

Porous electrode (110) is, based on the total weight of porous electrodes, conductive material 40 to 90% by weight of said number 1; 0 said number 2 conductive material. 3 to 30% by weight; and 1 to 30% by weight can be comprising said binder.

A conductive material is less than 40% by weight said number 1 redox (oxidation, reduction) reaction does not occur when the cell performance can be sufficiently, a conductive material is 90% by weight is exceeded said number 1, number 2 in length conductive material and binder content of relatively porous electrodes (110) pressure drop between paired materials for bonding, the porous electrode (110) for preventing the truck from door number point occurs. A conductive material is said number 2 0. 3% by weight when less than current collector (2a, 2b) on said porous electrode (110) charge transfer between electrical chemical reaction cannot sufficiently not suitable, greater than 30% by weight conductive material is conductive material and binder for mixing with said number 2 number 1 when the door number hereinafter flow tides.

Less than 1% by weight binder said said number 1 when said number 2 oxide as a coupling force between the particles cannot impart conductive material, said conductive material and said number 2 is exceeded 30% by weight binder content of said conductive material into the porous electrodes relatively said number 1 (110) can be below.

Porous electrode (110) positioned adjacent member and the base is a pattern of portions pattern, said pattern formation portion is at least 1 or more of projections and depressions or at least 1 or more projections to be made including, close to said outside of said porous electrodes is positioned adjacent member with a pattern, said pattern forming unit close to said inside having porous electrodes can be.

Said projections and depressions or protrusions relative general outline implementation being.

Said thickness of said porous electrodes adjacently positioned adjacent said pattern and a pattern most member (110) and smaller than the thickness of bind potassium channels in case the projections and depressions, said uneven part has a projection thereof can age as between adjacent projections and depressions. Said thickness of said pattern and a pattern most member adjacently positioned adjacent porous electrodes (110) when the protrusions are greater than the thickness of said pattern can be, between said two adjacent protrusions be a part of the trim.

The term "adjacent" that the other two of projections and depressions between said projections have an uneven part has protrusions has a waist // age. That is, that the term "adjacent" said "most it was contiguous" that the terms can be mixed.

The highest portion and the embryonic pattern at said porous electrode (110) in a direction parallel with a surface of any titles when, said pattern of said highest point positioned adjacent said pattern most member adjacently contacted when the low position part of the adoption of any, said pattern of said highest point of said embryonic pattern most member adjacently contacted as a projection thereof can age when located at a higher elevation

Said projections and depressions or protrusions can be selected from the group consisting of circular and polygonal horizontal cross section (also reference 3). Said "horizontal cross section" RM, said porous electrode (110) in a direction parallel with a surface of said pattern of projections and depressions or ridges thereof can age sets up cross-section.

The thickness of the thickness of said adjacently positioned adjacent member positioned adjacent said pattern most member pattern 0. 5 times less than 1, 2 times or 1 times exceeds implementation being hereinafter.

Thickness of the range is good, porous electrode (110) can be implementing excellent durability.

In addition said a passage pattern by performing the role of a rapid flow of electrolyte can be improve the performance of the battery.

Said pattern forming incubation, said porous electrode (110) from the centers of said porous electrode (110) of the four vertexes and any possible most angle to a line segment, the line segment with a vertex of said pattern including a pattern formed into said rectangular hole both compared with the of rectangular range can be any means.

Pattern formation portion is a part of a redox flow cell electrolyte and an oxidation reduction reaction has taken place, between the front and rear and the porous electrode layer (110, integral electrode) when the redox reaction layer is located in which a new generation saying the other.

Stores said embryonic pattern former, porous electrode (110) said number means the surface of the pattern forming portions can be [...] range. I.e., embryonic pattern can be in the form of said frame member.

Said pattern formation being the center of said porous electrode (110) preferably located in the center of. Said pattern forming an end of said pattern forming portions thereof can age including both the center of the square.

According to one embodiment of the present invention form porous electrodes (110) and increased specific surface since the pattern layer, the method for manufacturing the pin is an indoor.

Said pattern allows rate is be positioned adjacent portion and the Wednesday 0. The width of said outermost member positioned adjacent said pattern former cancer embryonic pattern, i.e., said porous electrode (110) included in said pattern formation which means the minimum distance from an arbitrary point in the corners of the can. The widths of the embryonic member thereof can both said pattern.

Porous electrode (110) has a thickness of 0. 01 mm to 2 mm implementation being. Said porous electrode (110) can be reduced when stack thickness of said stacked output density per volume also avoids the phenomenon that is lowered can be copyright 2001.

Porous electrode (110) means the thickness of the pattern layer thickness can be [...] said number. Said pattern layer can be used as electrolyte flow.

Electrode structure (100) into the thickness of 10 mm hereinafter but more preferably 0. 025 mm to 5 mm implementation being. Specifically, both positive and negative structure exerting said porous electrode (110) in one case, the positive and negative carbonate fuel cell thickness 0. 01 mm to 2 mm and can, layer (130) has a thickness of 0. 005 mm to 0. Implementation being 5 mm.

Electrode structure (100) opposite said range in diameter thickness of a good-quality stack are made of useful for controlling the redox flow cell number per redox flow cell structure can be [...]..copyright 2001. In addition, hereinafter for being capable of working time.

Porous electrode (110) and layer (130) distance 0 to 3 mm, preferably 0 to 1 mm, more specifically 0. 1 to 0. Implementation being 5 mm. Porous electrode (110) and layer (130) distance said electrolyte further cell resistance property is also when the cam pin is third electric power. Porous electrode (110) and layer (130) it may distance 0 porous electrodes (110) and layer (130) when the contact and to refer, porous electrode (110) in the event a pattern layer, porous electrode (110) and layer (130) stores distance, porous electrode (110) the highest point of the pattern of layer (130) of the shortest distance between the highest point thereof can refer.

Bipolar plate including a bipolar plate disposed between the pair of electrode structure of the existing method a pair of felt electrode, and a pair of felt electrode layer is used as a laminating sheet are (two bipolar plate: 6 mm, two felt electrode: 6 mm, layer 0. 18 mm) is 12. As 18 mm thick electrode structure are obtained.

In the embodiment according to of the present invention however one electrode structure (110) includes a bipolar plate and a felt electrode one thin film-like electrode uses a separation membrane sheet are the same flowing even when (two porous electrodes: 0. 4 mm, flow for diesel engine: 0. 1-a 1 mm, layer 0. 18 mm) is 1. 58 mm compared electrode structure of the existing method in very thin electrode structure (100) can be obtained, in addition of the existing method 1/10 volume of electrode structure can be moved. Thereby the present invention according to electrode structure (110) as the performance of a electrochemical device including time, cost effective number of stack heat reduced as well as good electrochemical device pivotably the ball.

Said porous plasticizer can be integrally has a glass plate.

A single piece is bonded to a porous plasticizer be used for fuel cell electrode structure prepared by the number. In this case porous electrode layer can be formed in contact with the opposite side of the pattern layer side.

In the embodiment according to of the present invention one electrode structure (100) of the manufacturing method,

Forming an anode electrode; said positive electrodes to form a negative electrode with a opposite; and said positive and negative electrodes disposed between the electrodes and at least comprising the steps can be performed on. Said at least one of said positive and negative electrodes, the step number (step a) porous conductive material and mixed slurry tank; said high pressure liquid coolant [...] number (step b) casting or by rolling a film and drying; and said dried film or mesh layer (step c) of at least one of pattern layer including number bath 1308.

The present invention relates to said porous conductive material these content are the same.

Said method bipolar plate and a felt electrode glasses nuclear number prepared by the electrode is a porous electrode (110) implementation being.

Applying said slurry tank art number step typically using method can be. For example, conductive material and said number 2 mixed conductive material mixer placed behind said number 1, number but additional binder are agitated by high pressure liquid coolant, limited to are not correct. Said high agitation difficult cases where the viscosity of the binder by adding the aforementioned dispersion medium viscosity of said slurry can be appropriate.

Said slurry based on the total weight of said slurry, said number 1 30 to 70% by weight conductive material; said number 2 0 conductive material. 2 to 25% by weight; said 3 to 25% by weight binder; and be 2VM [...] solvent. Here solvent comprises the above-described dispersion content force can be advanced and retreated.

Said casting is, drum type casting machine, band type casting machine, such as can be performed using a solution, such as it can be performed using said rolling may roll press, limited to are not correct.

For example, step b includes a graphite plate and the conductive plate that is slurry or rolling method can be performed. Specifically said slurry to give a uniformly coated on one side of the foil, on one side of the film by casting other number can be uniformly coated on high pressure liquid coolant. In addition, after said slurry in paste form, number can be placed in a press roll by rolling a film high pressure liquid coolant.

Said drying temperature for drying 30 °C to 200 °C, specifically casting buddhist priest's robe 60 °C to 100 °C when, in the case of rolling type implementation being 200 °C to 100 °C. When casting said slurry, to give a uniformly coated on one side, can be further comprises drying said slurry.

Said step of forming a pattern layer at least 1 or more of projections and depressions or at least 1 or more projections including a pattern layer forming method can be performed. The present invention relates to applying these contents can be said pattern.

Said step of forming the pattern roll pressing method, pressing or printing it can be press formed, limited to are not correct. For example, roll after roll pressing said film for forming a pattern on said porous electrode (110) can be for forming a pattern on. In addition, general plate pattern is formed, is illuminated by using press pressure can, film on one side or both sides press is opened using the compression of placing said number produced therewith mesh is illuminated by light disapproval. In addition, said film directly patterns by said porous electrode (110) for forming a pattern on disapproval

In addition said mesh layer or Teflon mesh (mesh), such as can be formed using a conductive mesh (mesh).

Said step of attaching a mesh to mesh layer b where the dried film against the method method can be formed. Said mesh layer has a thickness 0. 1 - 5 mm may be, mesh layer pore size 0. 0001 - 0. Implementation being 8 mm. Silver conductive mesh (Ag), copper (Cu), aluminum (Al), gold (Au), nickel (Ni), titanium (Ti), molybdenum (Mo), tungsten (W), at least one of chromium (Cr) and platinum (Pt) metal or metal alloy can be consists of 2 or more.

Said pattern is supplemented at molding temperatures, pressure, and pattern forming method does not defined, in the form of a description of said porous electrodes underneath on the resultant structure can be formed by using a proper method.

Said method number bath to a monolithic porous electrode (110) has a thickness of 0. 01 mm to 2 mm can be formed is of the dried electrode have a thickness of said thickness thereof can bind potassium channels.

In the embodiment according to electrochemical device is one in addition of the present invention, electrode structure (100) can be connected to one end. Said electrochemical device is aqueous organic redox flow battery, fuel cell, capacitor flow (flow capacitor) salinity or electricity generated implementation being device.

Said redox flow cell (also 2b) is, electrolyte inlets and outlets having a pair of end plate (1a, 1b); said current collector with inside each end plate (2a, 2b); and collecting body (2a, 2b) disposed between the electrode structure (100) can be connected to one end.

Electrode structure (100) includes a positive electrode, a negative electrode and a positive electrode, disposed between the negative carbonate fuel cell membranes (130) comprising, at least one of the positive and negative electrodes said porous electrode (110) can be walls. Said porous electrodes 2a and 2b also both positive and negative is also exerting (110) state that was made.

Porous electrode (110) on one side or provided on both sides of a boundary line of manifold (120) can be with. More specifically, electrode structure (100) contained in the porous electrode (110) can be in the form of manifold is on both sides of frame with, said collector (2a, 2b) of located inside a porous electrode (110) is collector (2a, 2b) contact with manifold is on can be removed.

Said end plate (1a, 1b) forming a stack of overall redox flow cell is formed in a role as disposed outermost, each battery cap outlet is formed in a, commonly used in the art ordinary plate defining a passage for the injection or electrolyte can be evacuated can be applying the method. The battery cap is shown in the drawing the outlet but electrolyte, anode electrolyte tank and connected to the cathode electrolyte tank, the pump is driven by the anode electrolyte cathode electrolyte core are connected between inlet and outlet.

End plate (1a, 1b) is formed using an insulator can be. For example, said end plate (1a, 1b) is polyethylene (PE), polypropylene (PP), polystyrene (PS) or vinyl chloride resin (PVC) can be formed using a polymer such as, limited to but not limited to vinyl chloride resin (PVC, polyvinyl chloride) when considering ease of purchase price using the preferred form.

Said lamps are disposed the end plate (1a, 1b) each inner current collector (2a, 2b) is formed in a, said collector (2a, 2b) is used for receive electrons from the outside to an electronic motion of the as passageways when charging in an exterior which could be bonded each other. Located at the both end parts of collector 2 (2a, 2b) are each electrode different substrate.

Layer (130) charge or discharge to separate the anode electrolyte cathode electrolyte, when selectively only ions moving charges or discharges could be bonded each other.

Manifold (21, 22) includes a frame shape may be, can be passage on one or both sides. Said flow path for movement of an electrolyte battery comprises electrolyte or cathode electrolyte passage moved, using light or improving the pivotably. As well as manifold (21, 22) and supplying make-up flow from said anode or cathode electrolyte is electrolyte flow path for discharging with said outer can be, this typically is provided to using the present invention method can be formed by applying for hereinafter.

In the embodiment according to the redox flow cell stack structure of one in addition of the present invention,

A pair of end plate (211a, 211b) inside, bipolar plate (210), anode and (225), storage battery (226) and separating (230) a battery including a plurality specification stacked, laminated battery cell cathode electrolyte and the anode electrolyte redox flow cell supplied cross structure, said pair of end plate (211a, 211b) are each provided with electrolyte and a second insulation layer, said middle plate has a central portion the battery cap is stacked battery cells are formed (211c) can be with. Said electrolyte solution is injected into the formed middle plate-shaped lithium ion battery, an electrolyte solution can be joined and formed end plate type (6a also reference).

The front and back surfaces respectively electrolyte outlet can be with said end plate, said middle plate-shaped lithium ion battery can be with the front and back surfaces respectively, the front of the anode electrolyte or cathode electrolyte are implanted and the middle plate, middle plate has a front side of rear face opposite pole electrolyte can be injected. Specifically, middle plate-shaped lithium ion battery anode electrolyte solution is injected into a front side end plate at a front side outlet electrolyte, lithium ion battery cathode electrolyte solution is injected into the rear surface of the middle plate has a rear surface of the end plate can be joined and electrolyte is an arrangement (6a also reference).

Said redox flow cell structure, middle plate (211c) electrolyte solution injector portion is also provided with left and right electrolyte structure can be formed.

As also represented in the 5a, general redox flow cell (RFB) which has an end plate to an electrolytic recess is, discharges electrolyte pump to move with each other. The electrolyte solution is either during passing through the fluid path, opposite outermost electrolyte bleed opening and an electrolyte tank are supported in the generator. The number cells to prevent internal cell voltage proportional increases in the stack to be coated. As represented in the drawing 5b number cell voltage and current gradient is equal to U-shaped laminated water chamber along [...] generated. The phenomenon has a plurality of outermost both when current passes through the collector, reaction rates slow and electrolyte in a middle portion of the central portion of the outermost side compared when moving and a pipe installed under the are disclosed. The phenomenon the displayed greater U-shaped [...] laminated increasing pressure and current gradient and bonds, a buffer cell voltages higher than average DC provided energy to the TFTs. Such as overcurrent and over existing stack structure of door number is above a stack generates, as a cone and over-aging cell generating a, according to increase current efficiency [...] current distribution are thus reduced.

In the embodiment of the present invention is a redox flow cell structure such as door number one (6a also) in order to solve not been said point number.

In the embodiment of the present invention according to one, as also represented in the 6a, stack is averaged by forming a lithium ion battery, a stacked electrolyte moved left and right sides is equal to the central part of the stack. Also distance moved along the center portion of the refrigerant pressure drops reduce the body 5a 1/2 degree, uniform distribution of the shortened moving distance between cell cell voltage and current to the existing voltage and current gradient is equal to the U-shaped lower than [...] (6b also). I.e. cells configuring the difference between voltage and current takes into consideration the pressure drop and along the resulting cell capable of reducing [...] forms.

In addition of the present invention one in the embodiment according to other redox flow cell structure, a pair of end plate inside, bipolar plate, electrode plate number 1, number 2 a battery electrode plate and separating specification including a plurality stacked, laminated battery cell anode electrolyte cathode electrolyte supplied a redox flow cell structure, said number 1 and to reduce the number 1 and number 1 exerting negative electrode plate one electrode plate included shape, said number 2 electrode plate one electrode plate comprising electrode material to a negative number 2 and to reduce the number 2, reference number 1 layer electrode plate having opposing structure can be. The positive electrode number 1 to enter the reaction number 1 number 2 this electrolyte solution were introduced into a negative electrode on the rear side with a positive electrode, a negative electrode number 1 into a positive electrode on the rear side with this electrolyte solution number 1 number 2 in response to a negative inlet can be structure (also 7a reference). An electrode of said structure and reacts with the alkaline electrolyte 2 times the length of the center rear side of electrodes other results in movement of the fluid path may have a voltage is effect. Also 7a inflow direction arrow in an electrolyte are disclosed,

Said number 1 positive electrodes (311) and a negative electrode number 1 (312) included in the electrode plate number 1, number 2 positive electrodes (313) number 2 and a negative electrode (314) included in the electrode plate number 2 are formed between the membranes (330) can be with. In this case positive electrode number 1 (311) and reacts with the electrolyte solution is formed into a layer number 1 through aperture for a negative electrode (312) on the rear side with number 2 and reacts with the positive electrode can be avoided to enter the, number 1 into a negative electrode layer reacts with the electrolyte solution is formed aperture number 1 through number 2 into a positive electrode on the rear side with a negative electrode can be discharged after reaction. (7b also reference)

In the embodiment according to other redox flow cell (also 7c) has a stack structure of one in addition of the present invention, a pair of end plate (301) inside, bipolar plate (302), electrode plate number 1, number 2 a battery electrode plate and separating specification including a plurality stacked, laminated battery cell stack structure of a redox flow cell as anode electrolyte cathode electrolyte supplied, said laminated battery cell battery cell number 1, number 2 battery cell, ... , Battery cell and which number n-a 1 number n battery cells, each said cell cell electrode plate number 1, number 2 membrane electrode plate arranged in order, said number 1 electrode plate one electrode plate positive electrode number 1 (311) and a negative electrode number 1 (312) included in the shape and, said number 2 electrode plate one electrode plate number 2 positive electrodes (313) number 2 and a negative electrode (314) is comprising, reference number 1 is equipped opposing electrode plate layer structure, in battery cell number 1, number 1 positive electrodes (311) enters electrolyte and negative electrode number 1 (312) enters the electrolyte solution is discharged after each reaction, a negative electrode number 1 number 2 battery cells into a number 1 number 2 battery cells to enter the negative electrode reacts with the electrolyte solution is discharged after reaction, number 1 number 2 battery cells into a positive electrode containing a positive electrode reacts with the electrolyte solution is expelled after reaction into a number 2 battery cell number 1, number n battery cell positive electrode number 1 (311) this electrolyte solution were to enter the reaction into a number n-a 1 battery cell number 2 after reaction with which a positive electrode, a negative electrode number 1 battery cell number n (312) this electrolyte solution were to enter the reaction into a reaction expelled after a negative number n-a 1 battery cell number 2, positive number n battery cell number 2 (313) number 2 enters electrolyte and a negative electrode (314) this electrolyte solution introduced into each pump exhausts after reaction can be formed.

In the embodiment according to other redox flow cell (also 7d) has a stack structure of one in addition of the present invention, a pair of end plate inner (301) to, bipolar plate (302), a positive electrode (310), a negative electrode (320) and separating (330) a battery including a plurality specification stacked, laminated battery cell stack structure of a redox flow cell as anode electrolyte cathode electrolyte supplied, said laminated battery cell battery cell number 1, battery cell number 2, ... , Battery cell and which number n-a 1 number n battery cells, the battery layer through which said energy, into a layer and reacts with the electrolyte solution is positive electrode battery cell number 1 (330) number 2 battery cells into a formed aperture through which a positive electrode after reaction, number 1 battery cells into a negative electrode layer reacts with the electrolyte solution is formed into a negative electrode battery cell number 2 through aperture expelled after reaction, positive number n-a 1 battery cells formed into a layer and reacts with the electrolyte solution is discharged after positive electrode battery cell number n through aperture into a reaction, number n-a 1 battery cells into a negative electrode layer reacts with the electrolyte solution is formed into a negative electrode battery cell number n aperture through pump exhausts after reaction can be formed.

In the embodiment according to redox flow cell of the present invention reaction of one stack structure of one pole (electrode) react at this electrolyte solution and fixes the rear side reaction pole (electrode) by reducing the number of cells along into a node between the and, in addition 2 times 2 times than conventional electrolyte by increasing the length of the flow path by increasing the flow rate through a flow path resistance of the shunt generated can be reduced disclosed.

In the embodiment 1 to 6:1 number of porous electrodes bath

A specific surface area 1, 200m² 20 minutes after mixing is placed mixer/g or more activated carbon and acetylene black, PTFE as a binder by mixing 30 minutes number slurry was again put in the high pressure liquid coolant. At this time, activated carbon, PTFE and a blended amount of acetylene black to bright 1 are described.

Copper (Cu) foil thickness slurry prepared by the number 20 micro m to give a uniformly coated on one side of the, 80 °C of 24 hours in an oven to a very dry exposed on one side to give a slurry uniformly applied the same effective roll press rolled into said low chaff (1,000 kgf/cm pressure conditions² ) To 0. Films of thickness 2 mm number was high pressure liquid coolant. Then, chain shape using a mold it is preferable that the thermal (80 °C) arm moves back and porous electrode pressing pattern number was high pressure liquid coolant.

In the embodiment 7: number of porous electrodes 2 bath

The same number after slurry high pressure liquid coolant to said in the embodiment 2, copper (Cu) foil member into slurry prepared by the number 20 micro m to give a uniformly coated on one side of the, 80 °C of 24 hours in an oven to a very dry. On one side of said exposed to give a slurry uniformly applied the same low chaff into effective roll press rolled (1,000 kgf/cm pressure conditions² ) To 0. 08 mm thickness number was a film of high pressure liquid coolant. Then, for smooth fluid flow, porous electrode pattern layer to replace a mesh pattern Teflon plate number was high pressure liquid coolant.

In the embodiment 8: number of porous electrodes 3 bath

The same number after slurry high pressure liquid coolant to said in the embodiment 2, slurry prepared by the number 20 micro m in thickness to give a uniformly applied on either side of the aluminum foil (Al), 80 °C in 24 of oven time very dry. On one side of said exposed to give a slurry uniformly applied the same low chaff into effective roll press rolled (1,000 kgf/cm pressure conditions² ) To 0. 08 mm thickness number was a film of high pressure liquid coolant. Then, for smooth fluid flow, porous electrode pattern layer to replace a mesh pattern Teflon plate number was high pressure liquid coolant.

Experiment example 1: Uninterruptible power supply Test 1

Porous electrodes prepared by the number of insect reversal characteristics were measured according to said in the embodiment 2. The probe card porous electrode have a thickness of 0. A pulse 2 mm, the thickness of the electrode structure comprising said porous electrodes configured to 0. 6 mm been. A pair of end plate between said electrode structure with current collector with inside each behind, certain interval symmetrically the employers. The deflection patterns as cation exchange membrane 2M VOSO₄ An anode and a cathode electrolyte obtained by dissolving a 2M adapted to 45 ml of aqueous solution of sulfuric acid.

1 charging voltage charge conditions. 6V, discharge voltage 0. 8V pulse, and analysis results shown for table 2 to charge and discharge characteristics at this time. As shown in table 2, average current efficiency 88. 26%, voltage efficiency 84. 5%, 74 energy efficiency. 5%, and 0. 1 ohm have shown low cell resistance.

Experiment example 2: Uninterruptible power supply Test 2

Said in the embodiment 7 according to the result of table 3 have shown measuring porous electrodes prepared by the number of charge and discharge characteristics. Analysis method equal to the example 1 conducting the experiment.

Experiment example 3: Uninterruptible power supply Test 3

Charge and discharge characteristics of said in the embodiment 8 according to the result table shown measuring porous electrodes prepared by the number 4. Analysis method equal to the example 1 conducting the experiment.