WO2014178317A1 - ガスケット及び電解槽 - Google Patents
ガスケット及び電解槽 Download PDFInfo
- Publication number
- WO2014178317A1 WO2014178317A1 PCT/JP2014/061475 JP2014061475W WO2014178317A1 WO 2014178317 A1 WO2014178317 A1 WO 2014178317A1 JP 2014061475 W JP2014061475 W JP 2014061475W WO 2014178317 A1 WO2014178317 A1 WO 2014178317A1
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- WO
- WIPO (PCT)
- Prior art keywords
- gasket
- diaphragm
- slit
- slit portion
- dividing
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/02—Diaphragms; Spacing elements characterised by shape or form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
- C25B9/77—Assemblies comprising two or more cells of the filter-press type having diaphragms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Definitions
- the present invention relates to a gasket and an electrolytic cell provided with the gasket.
- a diaphragm is disposed between the self frame and the diaphragm fixing ring, and the diaphragm is sandwiched between the self frame and the diaphragm fixing ring.
- the diaphragm is sandwiched between the pair of members, when the diaphragm is a porous film, there is a possibility that the electrolyte or gas leaks from the end face of the diaphragm.
- An object of the present invention is to provide a gasket and an electrolytic cell that can prevent electrolyte solution and gas from leaking from the diaphragm.
- a gasket according to one aspect of the present invention is a gasket that is incorporated in an alkaline water electrolytic cell and holds a diaphragm, and has a first surface that contacts an anode-side frame and a second surface that contacts a cathode-side frame. And a slit part that opens toward the inside and accommodates the edge of the diaphragm, and a filling part that is provided outside the slit part and does not accommodate the diaphragm is provided over the entire circumference. It has been.
- a slit that opens toward the inside and accommodates the edge of the diaphragm is provided over the entire circumference.
- a gasket accommodates the edge part of a diaphragm in a slit part, and covers the end surface of the edge part of a diaphragm. Therefore, in a gasket, it can prevent that electrolyte solution and gas leak from the end surface of a diaphragm.
- it has two or more protrusions which protrude from any one of the 1st surface and the 2nd surface, and a protrusion is seen from the opposing direction of the 1st surface and the 2nd surface.
- One or more may be disposed at a position overlapping with the slit portion, and one or more may be disposed at the filling portion not overlapping with the slit portion.
- the ratio of the slit portion to the filling portion may be 70:30 to 20:80.
- the diaphragm may be an ion permeable diaphragm.
- the ion permeable membrane may be a porous membrane.
- a reinforcing material may be embedded. Thereby, it can suppress that a gasket is crushed when it is pinched
- a protective film may be provided on at least a part of the first surface and the second surface.
- the first portion having the first surface and the second portion having the second surface, the first portion, and the second portion facing each other through the slit portion in the opposing direction of the first surface and the second surface.
- One of the two portions is provided to be opened toward the inside, and the first portion is divided continuously from the first surface and the surface defining the slit portion in the first portion, or the second surface and the second portion.
- a dividing portion that divides the two portions in succession to a surface that defines the slit portion in the portion may be provided.
- the dividing portion may be provided at a corner portion where the inner surface of the first portion or the second portion intersects.
- the first portion or the second portion can be turned up favorably by providing the dividing portion at the corner portion.
- the dividing portion may be provided in the first portion or the second portion where the protruding portion is not provided.
- the first surface or the second surface on which no protrusion is provided is bonded to the frame with an adhesive. Therefore, a parting part is sealed with an adhesive agent by providing a parting part in the 1st part or 2nd part in which a projection part is not provided. Therefore, it can prevent that electrolyte solution and gas leak from a parting part.
- the dividing portion is formed on the surface that forms the divided portion rather than the facing area of the surface that forms the virtual dividing portion that is linearly provided along the opposing direction of the first surface and the second surface. You may form so that an opposing area may become large. Thereby, when sealing a dividing part after accommodating a diaphragm in a slit, since an opposing area is large, sealing of a dividing part can be performed favorably. Therefore, it can prevent that electrolyte solution and gas leak from a parting part.
- An electrolytic cell according to another aspect of the present invention includes the gasket described above. Thereby, in an electrolytic cell, it can prevent that electrolyte solution and gas leak from a diaphragm.
- An electrolytic cell is an electrolytic cell for electrolyzing an electrolytic solution made of an alkaline aqueous solution to obtain oxygen and hydrogen, and includes a gasket for holding a diaphragm, and the gasket is a frame on the anode side.
- a slit portion that has a first surface in contact with the second surface and a second surface in contact with the frame on the cathode side, has a quadrangular or annular shape, opens toward the inside and is provided over the entire circumference, and accommodates the edge of the diaphragm And a first portion having a first surface, which is provided outside the slit portion over the entire circumference, and which is opposed to the filling portion that does not contain the diaphragm, through the slit portion in the opposing direction of the first surface and the second surface; A second part having a second surface and one of the first part and the second part provided to open toward the inside and continuous with the first surface and the surface defining the slit portion in the first part To separate the first part Or comprising the second surface and the segmented portion for cutting the second portion in succession and the surface defining the slit portion in the second portion.
- This electrolyzer is equipped with a gasket for holding the diaphragm.
- the gasket is opened toward the inside and is provided with a slit portion for accommodating the edge of the diaphragm over the entire circumference.
- a gasket accommodates the edge part of a diaphragm in a slit part, and covers the end surface of the edge part of a diaphragm. Therefore, the gasket can prevent the electrolyte and gas from leaking from the end face of the diaphragm.
- the gasket is provided so as to open toward the inside in either one of the first part and the second part, and the first part is continuous with the first surface and the surface defining the slit portion in the first part.
- a dividing portion that divides the second portion continuously from the second surface and the surface that defines the slit portion in the second portion.
- the first surface or the second surface of the gasket is bonded to the anode-side frame or the cathode-side frame that are in contact with each other by an adhesive, and the dividing portion is bonded to the adhesive by the adhesive.
- You may be provided in the 1st part or 2nd part which has a surface.
- one of the first surface and the second surface has two or more projecting portions that project from a surface that is not bonded by an adhesive, and the projecting portions include the first surface and the second surface.
- One or more may be arrange
- the first surface or the second surface on which no protrusion is provided is bonded to the frame with an adhesive. Therefore, a parting part is sealed with an adhesive agent by providing a parting part in the 1st part or 2nd part in which a projection part is not provided. Therefore, it can prevent that electrolyte solution and gas leak from a parting part.
- FIG. 1 is a perspective view showing the arrangement of each member constituting an electrolytic cell which is a main part of the electrolytic cell.
- FIG. 2 is a side view showing the electrolytic cell partially cut away.
- FIG. 3 is a front view showing the gasket according to the first embodiment.
- FIG. 4 is a diagram showing a cross-sectional configuration taken along line IV-IV in FIG.
- FIG. 5 is a diagram showing a cross-sectional configuration taken along line VV in FIG.
- FIG. 6 is a view showing a cross-sectional configuration in a state where an ion-permeable diaphragm is sandwiched between gaskets.
- FIG. 7 is a diagram showing a cross-sectional configuration of a gasket according to another embodiment.
- FIG. 1 is a perspective view showing the arrangement of each member constituting an electrolytic cell which is a main part of the electrolytic cell.
- FIG. 2 is a side view showing the electrolytic cell partially cut away.
- FIG. 3 is a
- FIG. 8 is a front view showing a gasket according to a modification of the first embodiment. It is a front view which shows the gasket which concerns on 2nd Embodiment.
- FIG. 10 is a diagram showing a cross-sectional configuration along line XX in FIG. 9.
- FIG. 10 is a diagram showing a cross-sectional configuration taken along line XI-XI in FIG. 9.
- FIG. 10 is a diagram showing a cross-sectional configuration taken along line XII-XII in FIG. 9.
- It is a front view which shows the gasket which concerns on the modification of 2nd Embodiment.
- It is a figure which shows the cross-sectional structure of the gasket which concerns on the modification of 2nd Embodiment.
- the electrolytic cell 1 As shown in FIGS. 1 and 2, the electrolytic cell 1 according to this embodiment is an apparatus for electrolyzing an electrolytic solution made of alkaline water to obtain oxygen and hydrogen.
- the electrolytic cell 1 includes an electrolytic cell 3 constituted by each member.
- the electrolysis cell 3 is integrated with each member by being fastened by a tie rod 5 (see FIG. 2).
- the electrolytic cell 3 has a press flange 7, a press flange gasket 9, and an anode terminal cell 11 arranged in this order from one end side (the left side in the figure), and further, a gasket 13, a bipolar alkaline water.
- the electrolysis cell units 15 are arranged in this order.
- the gasket 13 holds an ion permeable diaphragm 17.
- the gasket 13 and the bipolar alkaline water electrolysis cell unit 15 are repeatedly arranged as many as necessary for the design production amount.
- the gaskets 13 and the bipolar alkaline water electrolysis cell units 15 are alternately arranged in a necessary number (see FIG. 1), the gaskets 13 are further arranged, and a cathode power supply terminal 10B is provided on the other end side.
- the cathode terminal cell 19, the insulating plate 21, and the end press flange 23 are arranged in this order.
- the electrolytic cell 3 is integrated by tightening the whole with a tie rod 5, thereby forming an electrolytic cell 1.
- These arrangements constituting the electrolytic cell 3 can be arbitrarily selected from the anode side or the cathode side, and are not limited to the order of this embodiment.
- the press flange 7 is provided with a short cylindrical outer frame 7b along the edge of the disc-like cover portion 7a, and further, a lattice-like reinforcing rib 7c is provided on the cover portion 7a.
- the press flange 7 is provided with an anolyte inlet nozzle 25, a catholyte inlet nozzle 27, an anolyte and gas outlet nozzle 29, and a catholyte and gas outlet nozzle 31 penetrating the cover portion 7a.
- the cover portion 7a is formed with four slit portions Sa through which the anode power supply terminal 10A is inserted.
- the press flange gasket 9 includes a flow path hole 9a communicating with the anolyte inlet nozzle 25, a flow path hole 9b communicating with the catholyte inlet nozzle 27, a flow path hole 9c communicating with the anolyte and gas outlet nozzle 29, and A channel hole 9d communicating with the catholyte and gas outlet nozzle 31 is provided, and a hole 9e for avoiding the anode power supply terminal 10A is formed.
- the anode terminal cell 11 is provided with four anode power supply terminals 10A protruding to the press flange 7 side and an anode 11a (see FIG. 2) provided on the adjacent gasket 13 side.
- the outer frame (frame) 15a of the bipolar alkaline water electrolysis cell unit 15 has a flow passage hole 32 communicating with the anolyte inlet nozzle 25, a flow passage hole 34 communicating with the catholyte inlet nozzle 27, and an anode.
- a channel hole 36 communicating with the liquid and gas outlet nozzle 29 and a channel hole 38 communicating with the catholyte and gas outlet nozzle 31 are provided.
- the cathode terminal cell 19 is provided with a cathode 19a provided on the adjacent gasket 13 side, and four cathode power supply terminals 10B protruding toward the end press flange 23 side.
- the insulating plate 21 and the end press flange 23 are formed with four slit portions Sb through which the cathode power supply terminal 10B is inserted.
- the ion-permeable diaphragm 17 is required to have low gas permeability, low conductivity, and high strength.
- the diaphragm conventionally used for alkaline water electrolysis is asbestos, modified asbestos, and the like.
- porous membranes using polysulfone polymers, cloths using polyphenylene sulfide fibers, fluorine-based porous membranes, porous materials in which inorganic and organic materials are mixed, and the like are also used.
- a fluorine ion exchange membrane or the like may be used. Note that the gasket 13 can hold any of these films without limitation.
- FIG. 3 is a front view showing the gasket.
- FIG. 4 is a diagram showing a cross-sectional configuration taken along line IV-IV in FIG.
- FIG. 5 is a diagram showing a cross-sectional configuration taken along line VV in FIG.
- the gasket 13 has an annular shape (frame shape).
- the gasket 13 is preferably formed from a material having alkali resistance.
- Materials for the gasket 13 include natural rubber (NR), styrene butadiene rubber (SBR), chloroprene rubber (CR), butadiene rubber (BR), acrylonitrile-butadiene rubber (NBR), silicone rubber (SR), and ethylene-propylene rubber.
- NR natural rubber
- SBR styrene butadiene rubber
- CR chloroprene rubber
- BR butadiene rubber
- NBR acrylonitrile-butadiene rubber
- silicone rubber silicone rubber
- EPT ethylene-propylene rubber
- EPDM ethylene-propylene-diene rubber
- F isobutylene-isoprene rubber
- UR chlorosulfonated polyethylene rubber
- CSM chlorosulfonated polyethylene rubber
- the gasket 13 has a first surface 13a and a second surface 13b.
- the first surface 13a and the second surface 13b are flat surfaces.
- the gasket 13 has a slit portion 14 and a filling portion 16.
- the slit portion 14 and the filling portion 16 are provided over the entire circumference of the gasket 13. Specifically, the slit portion 14 opens toward the inside of the gasket 13.
- the slit portion 14 extends substantially parallel to the first surface 13 a and the second surface 13 b of the gasket 13.
- the length (depth) L of the slit portion 14 may be appropriately set to a length that can hold the ion permeable diaphragm 17, and is, for example, about 3 to 20 mm.
- the width W of the slit portion 14 may be appropriately set according to the thickness of the ion permeable diaphragm 17 and is, for example, about 0.1 to 1.0 mm. In the present embodiment, the width of the slit portion 14 is substantially the same as the thickness of the ion permeable diaphragm 17 and is, for example, about 0.4 mm.
- the filling portion 16 is a portion that is provided outside the slit portion 14 and does not accommodate the ion permeable diaphragm 17.
- the ratio between the slit portion 14 and the filling portion 16 is, for example, 70:30 to 20:80.
- the gasket 13 has the 1st protrusion part 13c and the 2nd protrusion part 13d.
- the first protrusion 13c and the second protrusion 13d protrude from the second surface 13b.
- the first and second protrusions 13c and 13d can have various shapes such as a triangle and a quadrangle in cross section, but preferably have a substantially semicircular shape that does not damage the ion-permeable diaphragm 17, for example. .
- the heights of the first and second projecting portions 13c and 13d are not particularly limited. However, the outer frame 15a and the gasket on the cathode NE side and the anode PE side are provided between the ion permeable diaphragm 17 and the gasket 13. In order to develop a sufficient pressing force between the first and second members, the thickness is preferably 0.5 mm to 5 mm.
- the first protrusion 13c and the second protrusion 13d extend along the shape of the gasket 13.
- the 1st protrusion part 13c and the 2nd protrusion part 13d are arrange
- the first protrusion 13c is located on the inner edge side of the gasket 13 and is disposed at a position overlapping the slit portion 14 when viewed from the opposing direction of the first surface 13a and the second surface 13b. That is, the bottom part of the slit part 14 is located in the outer edge part side of the gasket 13 rather than the 1st protrusion part 13c.
- the second protruding portion 13d is located on the outer edge side of the gasket 13. In the present embodiment, the second protruding portion 13 d is located on the outer edge side of the gasket 13, that is, on the filling portion 16 with respect to the bottom portion of the slit portion 14.
- the roles of the first protrusion 13c and the second protrusion 13d are different.
- the first protrusion 13 c presses the ion permeable diaphragm 17 and prevents the ion permeable diaphragm 17 from coming out of the slit part 14.
- the second protrusion 13d suitably presses the gasket 13 and the outer frame 15a on the cathode NE side and the anode PE side to prevent leakage of liquid and gas from the inside of the electrolytic cell 1.
- the position of the first projecting portion 13c is preferably near the center of the slit portion 14 from the viewpoint of suitably pressing the ion permeable diaphragm 17.
- the position of the first protrusion 13c is determined by the distance from the opening of the slit 14 to the center of the first protrusion 13c and the distance from the center of the first protrusion 13c to the bottom of the slit 14.
- the ratio is preferably 20:80 to 80:20. This prevents film displacement.
- the gasket 13 has a protruding portion 13e.
- the overhang portion 13 e is a portion that projects outward from the outer edge of the gasket 13.
- the overhang portion 13e has a smaller thickness (a dimension between the first surface 13a and the second surface 13b) than other portions, and has a step with the first surface 13a.
- the protruding portion 13e is provided with a protruding portion 13f. In addition, the protrusion part 13f does not need to be provided.
- the gasket 13 includes a passage hole 40 communicating with the anolyte inlet nozzle 25, a passage hole 42 communicating with the catholyte inlet nozzle 27, a passage hole 44 communicating with the anolyte and gas outlet nozzle 29, and the catholyte.
- a flow path hole 46 communicating with the gas outlet nozzle 31 is provided.
- the ion permeable diaphragm 17 is inserted into the slit portion 14.
- the gasket 13 is disposed between the outer frame frames 15a of the bipolar alkaline water electrolysis cell unit 15, and is pressed against the outer frame frame 15a. Thereby, the ion permeable diaphragm 17 is pressed by the gasket 13 and is sandwiched between the gaskets 13.
- an example of a method for attaching the gasket 13 will be described.
- a method of attaching the gasket 13 to the bipolar alkaline water electrolysis cell unit 15 will be described as an example.
- an adhesive is applied to the first surface 13 a of the gasket 13.
- the second surface 13 b of the gasket 13 is attached to the outer frame 15 a on the anode PE side of the bipolar alkaline water electrolysis cell unit 15.
- an ion permeable diaphragm 17 cut to a predetermined size (a size larger than the opening of the gasket 13) is prepared.
- the outer edge portion of the ion permeable diaphragm 17 is inserted into the slit portion 14 of the gasket 13. At this time, when wrinkles are generated in the ion permeable diaphragm 17, the wrinkles are stretched by applying water to the ion permeable diaphragm 17.
- bipolar alkaline water electrolysis cell unit 15 After mounting the ion permeable diaphragm 17 on the gasket 13, another bipolar alkaline water electrolysis cell unit 15 is prepared, and the outer frame frame 15a on the cathode NE side of the bipolar alkaline water electrolysis cell unit 15 is provided.
- the bipolar alkaline water electrolysis cell unit 15 is stacked so as to face the gasket 13.
- the gasket 13 is attached by the above.
- the gasket 13 of the present embodiment is provided with the slit portion 14.
- the gasket 13 accommodates the edge part of the ion permeable diaphragm 17 in the slit part 14, and covers the end face of the ion permeable diaphragm 17. Therefore, the gasket 13 can prevent the electrolyte and gas from leaking from the end face of the ion permeable diaphragm 17.
- the gasket 13 has a first protrusion 13c.
- the first protruding portion 13c is disposed at a position overlapping the slit portion 14 when viewed from the facing direction of the first surface 13a and the second surface 13b.
- the first protrusion 13c is locally pressed.
- positioned in the position corresponding to the 1st protrusion part 13c is pressed, the ion permeable diaphragm 17 can be hold
- the gasket 13 has an overhang portion 13e.
- projection part 13e is outside the outer edge of the outer frame frame 15a. Protrusively. Thereby, in the electrolytic cell 1, it can prevent that a short circuit arises between a pair of bipolar alkaline water electrolysis cell unit 115.
- the gasket 13 may be provided with a reinforcing material.
- the reinforcing material is embedded (incorporated) in the gasket 13, for example.
- a cloth-like material woven from stainless steel, nylon, polypropylene, PVDF, PTFE, PPS or the like, or short fibers thereof can be used. Thereby, when a gasket is pinched
- the surface of the gasket 13 may be processed.
- a protective film can be provided on the surface of the gasket 13.
- a PTFE (polytetrafluoroethylene) tape can be used as the protective film.
- the protective film may be provided at least enough to cover the first protruding portion 13c from the inside of the second surface 13b.
- the protrusion part 13c and the 2nd protrusion part 13d were demonstrated to the 2nd surface 13b of the gasket 13 and the protrusion part 13f was provided in the overhang
- projection part 13e shows in FIG.
- the protruding portion may not be provided.
- the protrusion is provided in the gasket.
- FIG. 8 is a front view showing a gasket according to another embodiment.
- the gasket 13A has a substantially rectangular shape (square shape).
- the gasket 13A includes a channel hole 40A communicating with the anolyte inlet nozzle 25, a channel hole 42A communicating with the catholyte inlet nozzle 27, a channel hole 44A communicating with the anolyte and gas outlet nozzle 29, and the catholyte.
- a flow path hole 46 ⁇ / b> A communicating with the gas outlet nozzle 31 is provided.
- Each of the circulation holes 40A, 42A, 44A, and 46A has a substantially rectangular shape.
- the outer shape of the gasket is not particularly limited. Further, the gasket 13A may be provided with a protruding portion or may not be provided with a protruding portion.
- FIG. 9 is a front view showing a gasket according to the second embodiment.
- FIG. 10 is a diagram showing a cross-sectional configuration taken along line XX in FIG.
- the gasket 13B has a first surface 13a and a second surface 13b.
- the first surface 13a and the second surface 13b are flat surfaces.
- the gasket 13 ⁇ / b> B has a slit portion 14 and a filling portion 16.
- the slit portion 14 is provided over the entire circumference of the gasket 13B. Specifically, the slit portion 14 opens toward the inside of the gasket 13B.
- the slit portion 14 is defined by a surface 50a of the first portion 50 having the first surface 13a and a surface 52a of the second portion 52 having the second surface 13b.
- the surface 50a and the surface 52a are opposed to each other. That is, the first portion 50 and the second portion 52 are opposed to each other through the slit portion 14 in the facing direction of the first surface 13a and the second surface 13b.
- the slit portion 14 extends substantially parallel to the first surface 13a and the second surface 13b of the gasket 13B.
- the length (depth) L of the slit portion 14 may be appropriately set to a length that can hold the ion permeable diaphragm 17, and is, for example, about 3 to 20 mm.
- the width W of the slit portion 14 may be appropriately set according to the thickness of the ion permeable diaphragm 17 and is, for example, about 0.1 to 1.0 mm. In the present embodiment, the width of the slit portion 14 is substantially the same as the thickness of the ion permeable diaphragm 17 and is, for example, about 0.4 mm.
- the gasket 13B has dividing parts 20a, 20b, 20c, and 20d.
- the dividing portions 20a to 20d are provided at the corner portions C1, C2, C3, and C4 of the gasket 13B, respectively.
- the corner portions C1 to C4 are portions where the inner surface 13s of the first portion 50 (second portion 52) intersects.
- the dividing parts 20a to 20d have the same configuration. Below, the dividing part 20a is demonstrated to an example.
- the dividing part 20 a divides a part of the annular first part 50. Specifically, the dividing portion 20a is provided to open toward the inside in the first portion 50, and is continuous with the first surface 13a and the surface 50a that defines the slit portion 14 in the first portion 50. The part 50 is divided. As shown in FIG. 12, the dividing portion 20a is formed to be inclined with respect to the first surface 13a. Thereby, the dividing part 20a is separated from the facing area of the surface of the virtual dividing part when the virtual dividing part is formed linearly along the opposing direction of the first surface 13a and the second surface 13b. The opposing area of the surface 20aa and the surface 20ab forming the portion 20a is formed to be large. In FIG. 12, the interval between the surface 20aa and the surface 20ab of the dividing portion 20a is shown to be substantially the same as that of the slit portion 14, but the interval between the surface 20aa and the surface 20ab may be further reduced.
- the gasket 13 ⁇ / b> B is capable of turning up the first portion 50 by forming the dividing portion 20 a. Specifically, in the gasket 13B, when the first portion 50 is lifted in a direction away from the second portion 52, the first portion 50 is turned up starting from the dividing portion 20a. Thereby, in the gasket 13B, since the opening of the slit part 14 spreads, the edge part of the ion permeable diaphragm 17 can be accommodated easily.
- the gasket 13B has a first protrusion 13c and a second protrusion 13d.
- the first protrusion 13c and the second protrusion 13d protrude from the second surface 13b. That is, the first projecting portion 13c and the second projecting portion 13d are provided on the second portion 52, not on the first portion 50 side where the dividing portions 20a to 20d are provided.
- the first and second protrusions 13c and 13d can have various shapes such as a triangle and a quadrangle in cross section, but preferably have a substantially semicircular shape that does not damage the ion-permeable diaphragm 17, for example. .
- the heights of the first and second projecting portions 13c and 13d are not particularly limited. However, the outer frame 15a and the gasket on the cathode NE side and the anode PE side are provided between the ion permeable diaphragm 17 and the gasket 13B. In order to develop a sufficient pressing force with 13B, the thickness is preferably 0.5 mm to 5 mm.
- the first protrusion 13c and the second protrusion 13d extend along the shape of the gasket 13B.
- the 1st protrusion part 13c and the 2nd protrusion part 13d are arrange
- the first protrusion 13c is located on the inner edge side of the gasket 13B, and is disposed at a position overlapping the slit portion 14 when viewed from the opposing direction of the first surface 13a and the second surface 13b. That is, the bottom part of the slit part 14 is located in the outer edge part side of the gasket 13B rather than the 1st protrusion part 13c.
- the second protruding portion 13d is located on the outer edge side of the gasket 13B. In the present embodiment, the second protruding portion 13 d is located on the outer edge side of the gasket 13 ⁇ / b> B from the bottom portion of the slit portion 14, that is, on the filling portion 16.
- the roles of the first protrusion 13c and the second protrusion 13d are different.
- the first protrusion 13 c presses the ion permeable diaphragm 17 and prevents the ion permeable diaphragm 17 from coming out of the slit part 14.
- the first protrusion 13c passes between the ion permeable diaphragm 17 and the surface 50a (surface 52a) of the first part 50 (second part 52) through the bottom of the slit part 14 and the ion permeable diaphragm 17 and
- the generated oxygen gas and hydrogen gas are prevented from mixing inside the electrolytic cell 1 through the surface 52a (surface 50a) of the second portion 52 (first portion 50).
- the second protrusion 13d suitably presses the gasket 13B and the outer frame 15a on the cathode NE side and the anode PE side to prevent leakage of liquid and gas from the inside of the electrolytic cell 1.
- the position of the first projecting portion 13c is preferably near the center of the slit portion 14 from the viewpoint of suitably pressing the ion permeable diaphragm 17.
- the position of the first protrusion 13c is determined by the distance from the opening of the slit 14 to the center of the first protrusion 13c and the distance from the center of the first protrusion 13c to the bottom of the slit 14.
- the ratio is preferably 20:80 to 80:20. This prevents film displacement.
- the gasket 13B has an overhang portion 13e.
- the overhang portion 13e is a portion that projects outward from the outer edge of the gasket 13B.
- the overhang portion 13e has a smaller thickness (a dimension between the first surface 13a and the second surface 13b) than other portions, and has a step with the first surface 13a.
- the protruding portion 13e is provided with a protruding portion 13f. In addition, the protrusion part 13f does not need to be provided.
- the gasket 13B includes a passage hole 40 communicating with the anolyte inlet nozzle 25, a passage hole 42 communicating with the catholyte inlet nozzle 27, a passage hole 44 communicating with the anolyte and gas outlet nozzle 29, and the catholyte.
- a flow path hole 46 communicating with the gas outlet nozzle 31 is provided.
- the ion permeable diaphragm 17 is inserted into the slit portion 14.
- the gasket 13B is disposed between the outer frame frames 15a of the bipolar alkaline water electrolysis cell unit 15, and is pressed against the outer frame frame 15a. Thereby, the ion permeable diaphragm 17 is pressed by the gasket 13 ⁇ / b> B and is sandwiched between the gaskets 13.
- an example of a method for attaching the gasket 13B will be described.
- a method of attaching the gasket 13B to the bipolar alkaline water electrolysis cell unit 15 will be described as an example.
- a predetermined size a size larger than the opening portion of the gasket 13B
- the first portion 50 is lifted away from the second portion 52, and the cut ion permeable membrane 17 is inserted into the slit portion 14 of the gasket 13B while the opening of the slit portion 14 is widened.
- wrinkles are generated in the ion permeable diaphragm 17, the wrinkles are stretched by applying water to the ion permeable diaphragm 17.
- the moisture on the surfaces 20aa and 20ab of the divided portions 20a to 20d is wiped off, and an adhesive is applied to the surfaces 20aa and 20ab to bond the surfaces 20aa and 20ab, thereby sealing the divided portions 20a to 20d.
- moisture on the first surface 13a of the gasket 13B is wiped off, and an adhesive 54 (see FIG. 13) is applied to this surface.
- the first surface 13a of the gasket 13B is attached to the outer frame frame 15a on the anode PE side of the bipolar alkaline water electrolysis cell unit 15.
- bipolar electrode alkaline water electrolysis cell unit 15 is prepared, and the bipolar electrode is so arranged that the outer frame 15a on the cathode NE side of the bipolar electrode alkaline water electrolysis cell unit 15 faces the gasket 13B.
- the alkaline water electrolysis cell unit 15 is stacked.
- the gasket 13B is attached by the above.
- the gasket 13B of the electrolytic cell 1 is opened toward the inside, and the slit portion 14 that accommodates the edge of the ion permeable diaphragm 17 is provided over the entire circumference.
- the gasket 13 ⁇ / b> B houses the edge of the ion permeable diaphragm 17 in the slit portion 14 and covers the end face of the edge of the ion permeable diaphragm 17. Therefore, the gasket 13 ⁇ / b> B can prevent the electrolyte and gas from leaking from the end face of the ion permeable diaphragm 17.
- the gasket 13B is provided so as to open toward the inside in the first portion 50, and the first portion 50 is continuously formed between the first surface 13a and the surface 50a that defines the slit portion 14 in the first portion 50.
- Dividing portions 20a to 20d for dividing are provided.
- the first portion 50 can be turned up when the ion permeable diaphragm 17 is accommodated in the slit portion 14. Therefore, since the opening of the slit portion 14 is widened, the ion permeable diaphragm 17 can be easily accommodated in the slit portion 14. As a result, the ion permeable diaphragm 17 can be easily attached to the gasket 13B.
- the dividing portions 20a to 20d are provided in each of the corner portions C1 to C4 where the inner surface 13s of the first portion 50 intersects.
- the first portion 50 can be turned up well.
- the gasket 13B includes a first protrusion 13c and a second protrusion 13d that protrude from the second surface 13b, and the first protrusion 13c includes the first surface 13a and the second surface 13b.
- the slit portion 14 is disposed at a position overlapping with the slit portion 14.
- the dividing portions 20a to 20d are provided in the first portion 50 where the first protruding portion 13c and the second protruding portion 13d are not provided.
- gasket 13B the 1st surface 13a in which the 1st protrusion part 13c and the 2nd protrusion part 13d are not provided is adhere
- FIG. Therefore, the dividing parts 20a to 20d are sealed by the adhesive 54 by providing the dividing parts 20a to 20d in the first portion 50 where the first protruding part 13c and the second protruding part 13d are not provided. Accordingly, it is possible to prevent the electrolyte and gas from leaking from the dividing portions 20a to 20d.
- the dividing portions 20a to 20d are separated from the opposing areas of the surfaces forming the virtual dividing portions that are linearly provided along the opposing direction of the first surface 13a and the second surface 13b.
- the opposing areas of the surfaces 20aa and 20ab forming 20d are formed to be large.
- the facing area is large, so that the dividing portions 20a to 20d can be well sealed. Accordingly, it is possible to prevent the electrolyte and gas from leaking from the dividing portions 20a to 20d.
- FIG. 14 is a front view showing a gasket according to a modification of the second embodiment.
- the gasket 13 ⁇ / b> C has a substantially rectangular outer shape.
- the gasket 13C includes a channel hole 40A communicating with the anolyte inlet nozzle 25, a channel hole 42A communicating with the catholyte inlet nozzle 27, a channel hole 44A communicating with the anolyte and gas outlet nozzle 29, and the catholyte.
- a flow path hole 46 ⁇ / b> A communicating with the gas outlet nozzle 31 is provided.
- Each of the flow path holes 40A, 42A, 44A, and 46A has a substantially rectangular shape.
- the outer shape of the gasket is not particularly limited.
- gasket 13C may be provided with a protruding portion or may not be provided with a protruding portion.
- the gasket 13C is provided with dividing portions 56a, 56b, 56c, and 56d at each of the corner portions C1 to C4.
- FIG. 15 is a diagram illustrating a cross-sectional configuration of a gasket according to a modification of the second embodiment.
- the dividing portion 58 of the gasket 13 ⁇ / b> D has a step shape in cross section. With such a configuration, the dividing portion 58 is larger than the opposing area of the surface of the virtual dividing portion when the virtual dividing portion is formed linearly along the opposing direction of the first surface 13a and the second surface 13b.
- the opposing areas of the surface 58a and the surface 58b forming the dividing portion 58 are formed to be large.
- the divided portion is opposed to the surface forming the divided portion rather than the opposed area of the surface forming the virtual divided portion provided linearly along the opposed direction of the first surface 13a and the second surface 13b. What is necessary is just to form so that an area may become large.
- the configuration in which the dividing portion is provided at each corner portion of the gasket has been described as an example, but the dividing portion may be provided at any position of the first portion or the second portion of the gasket. Moreover, the number of parting parts should just be set suitably according to design.
- the configuration in which the dividing portion is provided in the first portion has been described as an example, but the dividing portion may be provided in the second portion.
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Abstract
Description
図1及び図2に示すように、本実施形態に係る電解槽1は、アルカリ水からなる電解液を電解して酸素、及び水素を得るための装置である。電解槽1は、各部材によって構成される電解セル3を備えている。電解セル3は、タイロッド5(図2参照)で締め付けられることで各部材が一体化されている。
続いて、第2実施形態について説明する。図9は、第2実施形態に係るガスケットを示す正面図である。図10は、図9におけるX-X線での断面構成を示す図である。図11は、図9におけるXI-XI線での断面構成を示す図である。図12は、図9におけるXII-XII線での断面構成を示す図である。
Claims (15)
- アルカリ水電解槽に組み込まれ、隔膜を保持するガスケットであって、
陽極側の枠体に接する第1面及び陰極側の枠体に接する第2面を有すると共に四角形状又は環状をなしており、
内側に向かって開口し、前記隔膜の縁部を収容するスリット部と、当該スリット部の外側に設けられ、前記隔膜を収容しない充填部と、が全周にわたって設けられている、ガスケット。 - 前記第1面及び前記第2面の何れか一方の面から突出する突出部を2つ以上有しており、
前記突出部は、前記第1面と前記第2面との対向方向から見て、前記スリット部と重なる位置に1つ以上配置され、且つ、前記スリット部と重ならない前記充填部に1つ以上配置されている、請求項1記載のガスケット。 - 前記スリット部と前記充填部との割合が、70:30~20:80である、請求項1又は2記載のガスケット。
- 前記隔膜がイオン透過性隔膜である、請求項1~3のいずれか一項記載のガスケット。
- 前記イオン透過性隔膜が多孔質膜である、請求項4記載のガスケット。
- 補強材が埋設されている、請求項1~5のいずれか一項記載のガスケット。
- 前記第1面及び前記第2面の少なくとも一部に保護膜が設けられている、請求項1~6のいずれか一項記載のガスケット。
- 前記第1面と前記第2面との対向方向において前記スリット部を介して対向する、前記第1面を有する第1部分及び前記第2面を有する第2部分と、
前記第1部分及び前記第2部分の何れか一方において前記内側に向かって開口して設けられ、前記第1面と前記第1部分において前記スリット部を画成する面とに連続して前記第1部分を分断、又は前記第2面と前記第2部分において前記スリット部を画成する面とに連続して前記第2部分を分断する分断部と、を備える、請求項1~7のいずれか一項記載のガスケット。 - 前記分断部は、前記第1部分又は前記第2部分の前記内側の面が交差する角部分に設けられている、請求項8記載のガスケット。
- 前記分断部は、前記突出部が設けられていない前記第1部分又は前記第2部分に設けられている、請求項8又は9記載のガスケット。
- 前記分断部は、前記第1面と前記第2面との対向方向に沿って直線的に設けられる仮想分断部を形成する面の対向面積よりも、当該分断部を形成する面の対向面積が大きくなるように形成されている、請求項8~10のいずれか一項記載のガスケット。
- 請求項1~11のいずれか一項記載のガスケットを備えることを特徴とする電解槽。
- アルカリ水溶液からなる電解液を電解して酸素及び水素を得るための電解槽であって、
隔膜を保持するガスケットを備え、
前記ガスケットは、陽極側の枠体に接する第1面及び陰極側の枠体に接する第2面を有すると共に四角形状又は環状をなしており、
内側に向かって開口すると共に全周にわたって設けられ、前記隔膜の縁部を収容するスリット部と、
前記スリット部の外側に全周にわたって設けられ、前記隔膜を収容しない充填部と、
前記第1面と前記第2面との対向方向において前記スリット部を介して対向する、前記第1面を有する第1部分及び前記第2面を有する第2部分と、
前記第1部分及び前記第2部分の何れか一方において前記内側に向かって開口して設けられ、前記第1面と前記第1部分において前記スリット部を画成する面とに連続して前記第1部分を分断、又は前記第2面と前記第2部分において前記スリット部を画成する面とに連続して前記第2部分を分断する分断部と、を備える、電解槽。 - 前記ガスケットの前記第1面又は前記第2面は、それぞれが接する前記陽極側の枠体又は前記陰極側の枠体に接着剤により接着されており、
前記分断部は、前記接着剤により接着される面を有する前記第1部分又は前記第2部分に設けられている、請求項13記載の電解槽。 - 前記第1面及び前記第2面の何れかに一方において前記接着剤により接着されない面から突出する突出部を2つ以上有しており、
前記突出部は、前記第1面と前記第2面との対向方向から見て、前記スリット部と重なる位置に1つ以上配置されており、且つ、前記スリット部と重ならない前記充填部に1つ以上配置されている、請求項14記載の電解槽。
Priority Applications (5)
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EP14792171.2A EP2993254B1 (en) | 2013-04-30 | 2014-04-23 | Gasket and electrolyser |
CN201480021732.7A CN105121710B (zh) | 2013-04-30 | 2014-04-23 | 垫片和电解槽 |
AU2014260846A AU2014260846B2 (en) | 2013-04-30 | 2014-04-23 | Gasket and electrolyser |
US14/787,315 US9963795B2 (en) | 2013-04-30 | 2014-04-23 | Gasket and electrolyser |
JP2015514820A JP6031189B2 (ja) | 2013-04-30 | 2014-04-23 | ガスケット及び電解槽 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018139616A1 (ja) | 2017-01-26 | 2018-08-02 | 旭化成株式会社 | 電解槽、電解装置、電解方法、水素製造方法 |
WO2019111832A1 (ja) | 2017-12-05 | 2019-06-13 | 株式会社トクヤマ | アルカリ水電解用膜-電極-ガスケット複合体 |
WO2019188260A1 (ja) | 2018-03-27 | 2019-10-03 | 株式会社トクヤマ | アルカリ水電解用電解槽 |
WO2019188261A1 (ja) | 2018-03-27 | 2019-10-03 | 株式会社トクヤマ | 隔膜-ガスケット-保護部材複合体、電解エレメント、及び電解槽 |
JP2019183252A (ja) * | 2018-04-17 | 2019-10-24 | 旭化成株式会社 | 隔膜、及び電解槽、水素製造方法 |
WO2021015120A1 (ja) | 2019-07-19 | 2021-01-28 | デノラ・ペルメレック株式会社 | 電解槽用ガスケット及びそれを用いた電解槽 |
JP6826243B1 (ja) * | 2019-07-30 | 2021-02-03 | 旭化成株式会社 | アルカリ水電解槽 |
WO2021019986A1 (ja) * | 2019-07-30 | 2021-02-04 | 旭化成株式会社 | アルカリ水電解槽 |
JPWO2021019985A1 (ja) * | 2019-07-30 | 2021-02-04 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6031189B2 (ja) * | 2013-04-30 | 2016-11-24 | 旭化成株式会社 | ガスケット及び電解槽 |
EP4067535A1 (en) * | 2021-04-01 | 2022-10-05 | Hitachi Zosen Inova AG | Structural assembly of a cell of an electrolyzer, electrolyzer, and method of manufacturing such structural assembly |
TWI766780B (zh) * | 2021-07-29 | 2022-06-01 | 鄭益 | 可分離氫氣與氧氣之電解槽裝置 |
EP4389935A1 (en) * | 2022-12-22 | 2024-06-26 | Alfa Laval Corporate AB | Sealing arrangement |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52115781A (en) * | 1976-03-26 | 1977-09-28 | Asahi Glass Co Ltd | Diaphragm supporter for electrolytic cell or dialyzer |
JPS54153464U (ja) * | 1978-04-18 | 1979-10-25 | ||
JPH03125069U (ja) * | 1990-03-30 | 1991-12-18 | ||
JP2002332586A (ja) | 2001-05-08 | 2002-11-22 | Hung Chang Co Ltd | 電解槽 |
JP2011006767A (ja) * | 2009-06-29 | 2011-01-13 | Asahi Kasei Chemicals Corp | 電解槽用陰極ガスケット及びそれを含む電解槽 |
JP2012215291A (ja) * | 2011-03-31 | 2012-11-08 | Nippon Valqua Ind Ltd | 薄板部材用シール材 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2189795A (en) * | 1937-11-23 | 1940-02-13 | August W L Hartbauer | Gasket construction |
US2616671A (en) * | 1949-02-16 | 1952-11-04 | Creamery Package Mfg Co | Plate heat exchanger |
US3061895A (en) * | 1960-08-05 | 1962-11-06 | Pawling Rubber Corp | Resilient caulking seal |
LU53899A1 (ja) * | 1966-06-21 | 1968-03-08 | ||
US3856611A (en) * | 1973-01-12 | 1974-12-24 | Sackner Prod Inc | Decorative panel with finished edges |
JPS53146272A (en) * | 1977-05-27 | 1978-12-20 | Tokuyama Soda Co Ltd | Holder for ion exchange membrane |
JPS605517B2 (ja) | 1978-05-23 | 1985-02-12 | 三菱電機株式会社 | クレ−ンの位置決め制御装置 |
DE3200652C2 (de) * | 1982-01-12 | 1992-01-16 | Metzeler Kautschuk GmbH, 8000 München | Dichtungsrahmen aus elastomerem Material |
US4721555A (en) * | 1985-08-02 | 1988-01-26 | The Dow Chemical Company | Electrolysis cell seal means |
DE3537964C1 (de) * | 1985-10-25 | 1987-02-19 | Rockwell Golde Gmbh | Kabelfuehrung fuer Kraftfahrzeug-Schiebedaecher |
FR2623745B1 (fr) * | 1987-11-26 | 1990-05-11 | Valois | Procede de fabrication de joints souples resistant aux agents chimiques et joints ainsi obtenus |
US4892632A (en) | 1988-09-26 | 1990-01-09 | The Dow Chemical Company | Combination seal member and membrane holder for an electrolytic cell |
JPH03125069A (ja) | 1989-10-11 | 1991-05-28 | Mitsubishi Electric Corp | 電子式自動変速機のフエイルセーフ回路 |
US5161808A (en) * | 1991-02-12 | 1992-11-10 | Great Gasket Concepts, Inc. | Collapsible sealing gasket |
JP3128269B2 (ja) * | 1991-07-04 | 2001-01-29 | 旭化成工業株式会社 | 塩化アルカリ水溶液電解槽 |
JP4530122B2 (ja) * | 2001-03-09 | 2010-08-25 | Nok株式会社 | ガスケット |
CN2579911Y (zh) * | 2002-11-21 | 2003-10-15 | 铁岭市国华橡胶制品有限公司 | 一种在密封面局部有突出密封线的离子膜电解槽橡胶垫片 |
CN2600450Y (zh) * | 2003-02-21 | 2004-01-21 | 铁岭科拓橡塑有限责任公司 | 有基体升高密封线的复极式离子膜电解槽橡胶垫片 |
CN2687140Y (zh) * | 2004-01-17 | 2005-03-23 | 铁岭市国华橡胶制品有限公司 | 一种能与电解槽框直接粘合的离子膜电解槽橡胶垫片 |
WO2008041298A1 (en) * | 2006-09-29 | 2008-04-10 | Mitsubishi Heavy Industries, Ltd. | Solar cell panel |
US7905038B2 (en) * | 2006-12-27 | 2011-03-15 | Coff Brian R | Container with integrated media display |
JP4289398B2 (ja) | 2007-01-10 | 2009-07-01 | トヨタ自動車株式会社 | シール一体型膜電極接合体 |
US20090183807A1 (en) * | 2007-08-16 | 2009-07-23 | Sadlier Claus E | More versatile flexible cover and method of manufacture |
WO2009144940A1 (ja) * | 2008-05-30 | 2009-12-03 | パナソニック株式会社 | Mea部材及び固体高分子形燃料電池 |
FR2938821B1 (fr) * | 2008-11-27 | 2011-05-13 | Airbus France | Perfectionnement aux dispositifs d'etancheite des glaces de fenetres d'aeronefs |
US8755852B2 (en) * | 2009-02-06 | 2014-06-17 | Speculative Product Design, Llc | One piece co-formed exterior hard shell case with an elastomeric liner for mobile electronic devices |
US8857128B2 (en) * | 2009-05-18 | 2014-10-14 | Apple Inc. | Reinforced device housing |
CN102207639A (zh) * | 2010-03-31 | 2011-10-05 | 索尼爱立信移动通讯有限公司 | 便携式电子设备的显示模块保护衬垫及该设备的组装方法 |
JP2012097896A (ja) * | 2010-10-08 | 2012-05-24 | Primearth Ev Energy Co Ltd | ガスケットを用いたシール構造体 |
US8439191B1 (en) * | 2012-10-19 | 2013-05-14 | Valor Communication, Inc. | Cell phone protector case having the combination of an interior soft silicone shell and a hard exterior shell with aligned retaining members |
WO2014075741A1 (en) * | 2012-11-19 | 2014-05-22 | Tina Energy Systems S.L. | Pem-type electrolyzer stack for operation at high pressure |
JP6031189B2 (ja) * | 2013-04-30 | 2016-11-24 | 旭化成株式会社 | ガスケット及び電解槽 |
US9634707B2 (en) * | 2014-07-11 | 2017-04-25 | Superior Communications, Inc. | Mobile device case and armband with fluid chamber |
US20160161001A1 (en) * | 2014-12-03 | 2016-06-09 | J Royal US, Inc. | Silicone gasket apparatus and method of manufacture |
-
2014
- 2014-04-23 JP JP2015514820A patent/JP6031189B2/ja active Active
- 2014-04-23 EP EP14792171.2A patent/EP2993254B1/en active Active
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52115781A (en) * | 1976-03-26 | 1977-09-28 | Asahi Glass Co Ltd | Diaphragm supporter for electrolytic cell or dialyzer |
JPS54153464U (ja) * | 1978-04-18 | 1979-10-25 | ||
JPH03125069U (ja) * | 1990-03-30 | 1991-12-18 | ||
JP2002332586A (ja) | 2001-05-08 | 2002-11-22 | Hung Chang Co Ltd | 電解槽 |
JP2011006767A (ja) * | 2009-06-29 | 2011-01-13 | Asahi Kasei Chemicals Corp | 電解槽用陰極ガスケット及びそれを含む電解槽 |
JP2012215291A (ja) * | 2011-03-31 | 2012-11-08 | Nippon Valqua Ind Ltd | 薄板部材用シール材 |
Cited By (21)
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WO2018139616A1 (ja) | 2017-01-26 | 2018-08-02 | 旭化成株式会社 | 電解槽、電解装置、電解方法、水素製造方法 |
WO2019111832A1 (ja) | 2017-12-05 | 2019-06-13 | 株式会社トクヤマ | アルカリ水電解用膜-電極-ガスケット複合体 |
JP6559383B1 (ja) * | 2017-12-05 | 2019-08-14 | 株式会社トクヤマ | アルカリ水電解用膜−電極−ガスケット複合体 |
US11319635B2 (en) | 2018-03-27 | 2022-05-03 | Tokuyama Corporation | Electrolysis vessel for alkaline water electrolysis |
WO2019188260A1 (ja) | 2018-03-27 | 2019-10-03 | 株式会社トクヤマ | アルカリ水電解用電解槽 |
WO2019188261A1 (ja) | 2018-03-27 | 2019-10-03 | 株式会社トクヤマ | 隔膜-ガスケット-保護部材複合体、電解エレメント、及び電解槽 |
JP2019183252A (ja) * | 2018-04-17 | 2019-10-24 | 旭化成株式会社 | 隔膜、及び電解槽、水素製造方法 |
JP7136580B2 (ja) | 2018-04-17 | 2022-09-13 | 旭化成株式会社 | 隔膜、隔膜の製造方法、電解槽及び水素製造方法 |
US20220316079A1 (en) * | 2019-07-19 | 2022-10-06 | De Nora Permelec Ltd | Gasket for electrolysis vessels, and electrolysis vessel using same |
KR20220009510A (ko) | 2019-07-19 | 2022-01-24 | 드 노라 페르멜렉 가부시키가이샤 | 전해조용 개스킷 및 그것을 이용한 전해조 |
CN114144606A (zh) * | 2019-07-19 | 2022-03-04 | 迪诺拉永久电极股份有限公司 | 电解槽用密封垫及使用该电解槽用密封垫的电解槽 |
WO2021015120A1 (ja) | 2019-07-19 | 2021-01-28 | デノラ・ペルメレック株式会社 | 電解槽用ガスケット及びそれを用いた電解槽 |
CN114144606B (zh) * | 2019-07-19 | 2022-11-04 | 迪诺拉永久电极股份有限公司 | 电解槽用密封垫及使用该电解槽用密封垫的电解槽 |
US11982007B2 (en) | 2019-07-19 | 2024-05-14 | De Nora Permelec Ltd | Gasket for electrolysis vessels, and electrolysis vessel using same |
JPWO2021019985A1 (ja) * | 2019-07-30 | 2021-02-04 | ||
WO2021019985A1 (ja) * | 2019-07-30 | 2021-02-04 | 旭化成株式会社 | アルカリ水電解槽 |
WO2021019986A1 (ja) * | 2019-07-30 | 2021-02-04 | 旭化成株式会社 | アルカリ水電解槽 |
JP6826243B1 (ja) * | 2019-07-30 | 2021-02-03 | 旭化成株式会社 | アルカリ水電解槽 |
JP7170144B2 (ja) | 2019-07-30 | 2022-11-11 | 旭化成株式会社 | アルカリ水電解槽 |
EP4006208A4 (en) * | 2019-07-30 | 2023-07-05 | Asahi Kasei Kabushiki Kaisha | ALKALINE WATER ELECTROLYTIC CELL |
AU2020323283B2 (en) * | 2019-07-30 | 2023-09-14 | Asahi Kasei Kabushiki Kaisha | Alkaline water electrolytic cell |
Also Published As
Publication number | Publication date |
---|---|
EP2993254B1 (en) | 2020-08-12 |
JPWO2014178317A1 (ja) | 2017-02-23 |
US20160153100A1 (en) | 2016-06-02 |
CN105121710B (zh) | 2018-01-30 |
TWM499420U (zh) | 2015-04-21 |
CN105121710A (zh) | 2015-12-02 |
EP2993254A4 (en) | 2016-07-13 |
US9963795B2 (en) | 2018-05-08 |
TW201441424A (zh) | 2014-11-01 |
EP2993254A1 (en) | 2016-03-09 |
AU2014260846B2 (en) | 2016-09-22 |
JP6031189B2 (ja) | 2016-11-24 |
TWI582270B (zh) | 2017-05-11 |
AU2014260846A1 (en) | 2015-12-03 |
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