WO2016067389A1 - Cellule électrolytique à membrane échangeuse d'ions - Google Patents

Cellule électrolytique à membrane échangeuse d'ions Download PDF

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Publication number
WO2016067389A1
WO2016067389A1 PCT/JP2014/078768 JP2014078768W WO2016067389A1 WO 2016067389 A1 WO2016067389 A1 WO 2016067389A1 JP 2014078768 W JP2014078768 W JP 2014078768W WO 2016067389 A1 WO2016067389 A1 WO 2016067389A1
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WO
WIPO (PCT)
Prior art keywords
current collector
exchange membrane
electrolytic cell
collector plate
ion exchange
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Application number
PCT/JP2014/078768
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English (en)
Japanese (ja)
Inventor
義之 児玉
孝治 川西
Original Assignee
ティッセンクルップ・ウーデ・クロリンエンジニアズ株式会社
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Priority to PCT/JP2014/078768 priority Critical patent/WO2016067389A1/fr
Publication of WO2016067389A1 publication Critical patent/WO2016067389A1/fr

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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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • 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
    • C25B9/60—Constructional parts of cells
    • C25B9/63—Holders for electrodes; Positioning of the electrodes

Definitions

  • the present invention relates to an ion exchange membrane electrolytic cell (hereinafter also simply referred to as “electrolytic cell”), and more particularly, to an ion exchange membrane electrolytic cell in which an elastic cushion material is fixed to a current collector plate simply and firmly.
  • an anode, an ion exchange membrane, and a hydrogen generation cathode are arranged in close contact with each other in order to lower the electrolysis voltage.
  • anode and cathode of the rigid member are accommodated in the electrode chamber, the electrodes are kept in close contact with the ion exchange membrane to maintain the electrode spacing at a predetermined value. Was difficult.
  • an electrolytic cell that uses an elastic material as a material is known.
  • an elastic material in order to prevent the ion exchange membrane from being damaged by bringing the electrode into close contact with the ion exchange membrane and to keep the distance between the positive and negative electrodes to a minimum, the direction of the distance between the electrodes of at least one of the electrodes The electrode is pressed by an elastic member to adjust the holding pressure.
  • this elastic material non-rigid materials such as metal fine wire woven fabric, non-woven fabric and net, and rigid materials such as leaf springs are known.
  • Patent Document 1 a metal coil body is mounted between a flexible cathode and a cathode current collector plate instead of a conventionally used leaf spring or metal mesh body, and the cathode is uniformly pressed in the direction of the diaphragm.
  • An electrolytic cell in which members are closely attached has been proposed.
  • the metal coil body has a high deformation rate, it is difficult to handle and it is often difficult to install the coil body at a predetermined location of the electrolytic cell as intended by the operator.
  • it deforms easily (the strength is insufficient) even if it is once installed at a predetermined location of the electrolytic cell, it is displaced by the electrolytic solution or generated gas in the electrolytic cell, making it difficult to uniformly contact each member.
  • an elastic cushion material is produced by winding a metallic coil body around a corrosion resistant frame so that the density is substantially uniform with respect to a rectangular corrosion resistant frame.
  • an ion exchange electrolytic cell is proposed in which it is mounted between a flexible cathode and a cathode current collector plate, and the flexible cathode is uniformly pressed against the ion exchange membrane.
  • a flexible electrode and an elastic mat member are pins that penetrate the flexible electrode and the elastic mat and engage with holes of a porous current collector plate installed on the back surface of the elastic mat.
  • a fixed electrolytic cell has been proposed.
  • the flexible cathode 104 contacts the ion exchange membrane 105 and is pushed to the anode side. At this time, since the anode is rigid, the ion exchange membrane 105 does not move, the distance between the flexible cathode 104 and the current collector plate is reduced, and the metal coil body 103 is compressed. As a result, the flexible cathode 104 comes into close contact with the ion exchange membrane 105 due to the elastic repulsion of the metal coil body 103, and the distance between the anode and the flexible cathode 104 becomes as short as possible.
  • Patent Documents 4 and 5 propose electrolytic cells that are easy to manufacture and that can be stably operated for a long period of time without damaging the ion exchange membrane.
  • Patent Document 4 proposes an electrolytic cell in which an elastic cushion material in which a metal coil body is wound around a corrosion-resistant frame is fixed to a current collector plate by welding or the like, and a flexible electrode is fixed with a pin. In this electrolytic cell, the pin penetrates the flexible electrode and the current collector plate, but the metal coil body does not penetrate.
  • Patent Document 5 proposes an electrolytic cell in which an elastic cushion material in which a metal coil body is wound around a corrosion-resistant frame and a flexible electrode are fixed to a current collector plate by pins. The electrolytic cell proposed in Patent Document 5 also has a structure in which a metal coil body of an elastic cushion material is not penetrated by a pin.
  • Japanese Patent Publication No. 63-53272 Japanese Patent Laid-Open No. 2004-300547 JP 2000-178781 A JP 2011-1117047 A Japanese Patent Application Laid-Open No. 2012-140652
  • some corrosion resistant frames have a nickel coating on a frame made of iron or copper.
  • the copper or iron of the base material may elute into the electrolyte during use, stop operation, or during storage, leading to degradation of electrolytic performance.
  • the electrolytic cell described in Patent Document 5 since the elastic cushion material is fixed to the current collector plate with pins, copper or iron as a base material does not elute into the electrolytic solution.
  • skill is required to fix the elastic cushion material to the current collector plate with pins, and workability is not always good.
  • an object of the present invention is to provide an ion exchange membrane electrolytic cell in which an elastic cushion material is fixed to a current collector plate simply and firmly.
  • the present inventors have found that the above-mentioned problems can be solved by forming the corrosion-resistant frame of the pin or the elastic cushion material in a predetermined shape, and the present invention is completed. It came to.
  • the ion exchange membrane electrolytic cell of the present invention is an ion exchange membrane in which an elastic cushion material in which a metal elastic body is wound around a corrosion-resistant frame is disposed between a flexible electrode and a porous current collector.
  • the corrosion-resistant frame constituting the elastic cushion material has a fixing portion that engages with the porous current collector plate, and is fixed to the porous current collector plate by the fixing portion.
  • the fixing portion is a long metal thin plate that can penetrate the hole of the porous current collector plate, and the metal thin plate is used as the hole of the porous current collector plate.
  • the elastic cushion material may be fixed to the porous current collector plate by being bent after being penetrated, and the fixed portion is a pin-like convex portion that can penetrate the hole of the porous current collector plate Even if the elastic cushion material is fixed to the porous current collector plate by caulking the tip of the convex portion after passing the convex portion through the hole of the porous current collector plate Good.
  • Another ion exchange membrane electrolytic cell is an ion in which an elastic cushion material in which a metal elastic body is wound around a corrosion-resistant frame is disposed between a flexible electrode and a porous current collector.
  • the corrosion-resistant frame has a fixing portion having a through-hole through which the fixing member can penetrate, and the fixing member penetrates the through-hole and engages with the hole of the porous current collector plate, thereby A cushion material is fixed to the porous current collector plate.
  • an elastic cushion material in which a metal elastic body is wound around a corrosion-resistant frame is disposed between a flexible electrode and a porous current collector plate.
  • the corrosion-resistant frame is made of a corrosion-resistant metal thin plate having a through-hole through which a fixing member can penetrate, and the fixing member penetrates the through-hole and engages with a hole of the porous current collector plate, thereby A cushion material is fixed to the porous current collector plate.
  • an elastic cushion material obtained by winding a metal elastic body around a corrosion-resistant frame is disposed between a flexible electrode and a porous current collector plate.
  • the corrosion-resistant frame constituting the elastic cushion material is fixed to the porous current collector plate by a substantially U-shaped pin.
  • the metal elastic body is preferably a metal coil body.
  • an ion exchange membrane electrolytic cell in which an elastic cushion material is fixed to a current collector plate easily and firmly.
  • FIG. (A) is the fragmentary perspective view of the fixing
  • (b) is substantially U-shaped with the corrosion-resistant flame
  • FIG. (A) is a partial perspective view in the vicinity of a fixed portion when a flat plate-shaped fixing portion is provided on a corrosion-resistant metal round bar and a linear pin is passed through the fixing portion
  • FIG. 5 is a partial perspective view of the vicinity of a fixed portion when a round bar is provided with a flat fixed portion and a substantially U-shaped pin is passed through the fixed portion and fixed.
  • FIG. It is a perspective view showing a suitable example of a pin concerning the present invention. It is a perspective view which shows the other suitable example of the pin which concerns on this invention.
  • (A) is a figure which shows the relationship between the front-end
  • (b) is the relationship between the front-end
  • FIG. It is a fragmentary perspective view of the corrosion-resistant flame
  • FIG. 1 is a schematic cross-sectional view of an ion exchange membrane electrolytic cell according to a preferred embodiment of the present invention.
  • an anode chamber 1 and a cathode chamber 2 are partitioned by an ion exchange membrane 3, and an elastic cushion material 4 in which a metal elastic body is wound around a corrosion-resistant frame is a flexible cathode 5 and a cathode collector.
  • a flexible cathode 5 and a rigid anode 7 are given as examples as electrodes, and the following description will be made based on this. However, in the electrolytic cell of the present invention, the polarity of the electrodes may be reversed.
  • a flexible anode and a rigid cathode are collectively referred to as a flexible electrode.
  • FIG. 2 is a plan view showing a preferred example of the elastic cushion material 4 according to the present invention.
  • one or a plurality of elastic cushion members 4 are usually provided so as to have a substantially uniform density between a pair of opposing corrosion resistant frames 10 out of four frame rods of a rectangular corrosion resistant frame 10.
  • a metal elastic body (a metal coil body 11 in the illustrated example) is wound.
  • the corrosion-resistant frame 10 is made of a corrosion-resistant metal round bar.
  • the reinforcing rod 12 is bridged between a pair of round bars in the longitudinal direction of a rectangular frame.
  • a corrosion-resistant metal square or a metal thin plate may be used instead of the metal round bar.
  • the material of the corrosion-resistant frame 10 a material in which corrosion resistance is improved by coating nickel on the surface of a metal having excellent conductivity such as nickel, stainless steel, or copper can be used.
  • FIG. 3 is an explanatory view illustrating a method of fixing the elastic cushion material to the porous current collector plate in the ion exchange membrane electrolytic cell according to the first embodiment.
  • the flexible electrode flexible cathode 5 in the illustrated example
  • the corrosion-resistant frame 10 constituting the elastic cushion material 4 are substantially U-shaped.
  • the pin 8 is fixed to a porous current collector (cathode current collector 6 in the illustrated example).
  • the corrosion-resistant frame 10 constituting the elastic cushion material 4 is sandwiched from above the flexible cathode 5, and the tip of the substantially U-shaped pin 8 is fitted into the hole of the porous cathode current collector plate 6.
  • the flexible cathode 5 and the elastic cushion material 4 are fixed to the cathode current collector plate 6.
  • the elastic cushion material can be simply and firmly fixed with a smaller number of pins than before.
  • FIG. 4 is a front view showing an example of a substantially U-shaped pin according to the present invention.
  • the shape of the substantially U-shaped pin is, as shown in FIG. As shown in FIG. 4B, it may have a shape in which both tip portions are folded back.
  • the elastic cushion material can be fixed by fitting the tip of the pin 8 into the hole of the porous current collector plate.
  • the tips of the pins 8 are fitted into the holes of the porous current collector plate, and then both ends of the pins 8 are bent inward or outward. May be fixed.
  • a pin 18 having a substantially U-shaped tip portion folded back as shown in FIG. 4B is used, the folded portions of both tip portions of the pin 18 are caught in the holes of the porous current collector plate, and the pin 18 is It becomes difficult to come off.
  • the corrosion-resistant frame constituting the elastic cushion material 4 is made of a corrosion-resistant metal thin plate having a through-hole through which the fixing member can penetrate.
  • FIG. 5A is a partial perspective view in the vicinity of a fixing portion when a corrosion-resistant frame made of a corrosion-resistant metal thin plate is fixed with a linear pin
  • FIG. 5B is a schematic view of the corrosion-resistant frame made of a corrosion-resistant metal thin plate. It is a fragmentary perspective view of the fixing part vicinity in the case of fixing with a U-shaped pin. As in the example shown in FIGS.
  • the ion exchange membrane electrolytic cell according to the second embodiment includes a pin 28 as a fixing member on a corrosion resistant frame 20, 30 made of a corrosion resistant metal thin plate, By providing through holes 20a and 30a through which 38 penetrates, the pins 28 and 38 are passed through the through holes 20a and 30a, and the tips of the pins are fitted into the holes of the porous current collector plate. The cathode current collector plate 6 is fixed.
  • FIG. 6A is a partial perspective view of the vicinity of the fixing portion when a flat fixing portion is provided on the corrosion-resistant metal round bar and a linear pin is passed through the fixing portion and fixed. It is a fragmentary perspective view of the vicinity of the fixing part when a flat plate-like fixing part is provided on the corrosion-resistant metal round bar and a substantially U-shaped pin is passed through the fixing part and fixed.
  • the ion exchange membrane electrolytic cell according to the third embodiment has through holes 40a and 50a that allow the pins 48 and 58 to pass through the corrosion-resistant frames 40 and 50, respectively.
  • Flat elastic fixing members 40b and 50b are provided, the pins 48 and 58 are passed through the through holes 40a and 50a, and the tips of the pins are fitted into the porous current collector plate, so that the elastic cushion material 4 is connected to the cathode current collector plate. Fix to 6.
  • a pin 88 having a notch at the tip 88a as shown in FIG. 7 is preferably used.
  • the notch of the tip 88a is open when no force is applied from the outside, and the size of the tip 88a in this state is made larger than the inner diameter of the hole of the porous collector plate,
  • the size of the tip end portion 88a in a state where the force is applied to the slit and the cut is narrowed is designed to be smaller than the inner diameter of the hole of the porous collector plate.
  • tip part 88a can be easily inserted in the hole of a porous collector plate, and after inserting a pin in the hole of a porous collector plate, if the force from the outside is removed, It is possible to prevent the notches from spreading again and the pins from falling out of the holes.
  • a pin 98 having a prismatic shape at the tip end portion 98a as shown in FIG. 8 may be used.
  • 9A and 9B are plan views showing the relationship between the holes of the porous current collector plate and the tip portions of the pins.
  • the cathode current collector plate 6 is usually composed of a perforated plate having a large number of approximately rhombus-shaped holes 6a. By positioning the hole 6a of the plate 6 in the relationship shown in FIG. 9A, the tip end portion 98a can be easily inserted into or extracted from the hole 6a of the cathode current collector plate 6.
  • the pin is easily dropped by being rotated by about 90 ° and positioned in the relationship shown in FIG. 9B. This can be prevented.
  • the shape of the tip of the pin is not limited to the illustrated prismatic shape. Also in the electrolytic cells of the second and third embodiments, a substantially U-shaped pin with both ends folded back as shown in FIG. 4B may be used.
  • the material of the pin as the fixing member is not particularly limited as long as it has corrosion resistance and can fix the elastic cushion material 4 to the cathode current collector plate 6. Absent.
  • a corrosion-resistant material such as nickel, stainless steel, or fluororesin can be used.
  • a fluororesin pin that is less likely to damage the flexible cathode is preferred.
  • the ion exchange membrane electrolyzers according to the fourth and fifth embodiments of the present invention are made of a metal elastic and a corrosion-resistant frame.
  • An elastic cushion material formed by winding a body is disposed between a flexible electrode and a porous current collector.
  • FIG. 10 (a) is a partial perspective view of a corrosion-resistant frame constituting the elastic cushion material of the ion exchange membrane electrolytic cell according to the fourth embodiment.
  • a corrosion-resistant frame 60 shown in FIG. 10A has a pin-like convex portion 60a that can be fitted into a hole of a porous current collector plate as a fixing portion.
  • the elastic cushion material is made of a porous current collector plate by caulking the tip of the convex portion 60a after fitting the convex portion 60a into the hole of the porous current collector plate. It is fixed to. By setting it as such a structure, an elastic cushion material can be fixed to a current collection board simply and firmly.
  • FIG. 10B is a partial perspective view of a corrosion-resistant frame constituting the elastic cushion material according to the ion exchange membrane electrolytic cell according to the fifth embodiment.
  • a corrosion-resistant frame 70 shown in FIG. 10B has a long metal thin plate 70a as a fixing portion.
  • the long metal thin plate 70a is penetrated through the hole of the porous current collector plate, and then the long metal thin plate 70a is bent to make the corrosion resistant frame 70 porous. It is formed by fixing to the sex current collector plate. By setting it as such a structure, an elastic cushion material can be fixed to a current collection board simply and firmly.
  • the elastic cushion material which concerns on the ion exchange membrane electrolytic cell of this invention is demonstrated.
  • An example is one in which one or a plurality of metal coil bodies 11 as metal elastic bodies are wound between the frames 10 so as to have a substantially uniform density.
  • the metal elastic body is made of a conductive material and has an elastic property, and a flexible electrode is used as an ion exchange membrane.
  • the metal coil body 11 can be suitably used as the metal elastic body, although there is no particular limitation as long as the power can be supplied by pressing against the metal elastic body.
  • a corrugated metal thin wire may be used, and a metal nonwoven fabric, a knitted fabric made of metal wires, a woven fabric and a laminate thereof, or a three-dimensional one.
  • a knitted product having a shape obtained by knitting three-dimensionally and then swelling or the like may be used.
  • the metal coil body 11 When the metal coil body 11 is used as the metal elastic body, for example, nickel, nickel alloy, stainless steel, or copper having good resistance to corrosion such as nickel having good resistance to corrosion is plated. It is obtained by processing the wire manufactured by coating with a spiral coil by roll processing.
  • the cross-sectional shape of the obtained wire is preferably a circle, an ellipse, a rectangle with rounded corners, or the like from the viewpoint of preventing damage to the ion exchange membrane.
  • a nickel wire (NW2201) having a diameter of 0.17 mm is rolled, a coil wire having a cross-sectional shape of about 0.05 mm ⁇ 0.5 mm with rounded corners and a winding diameter of about 6 mm is obtained. be able to.
  • the assembly of the elastic cushion material 4 using a metal elastic body is an operation outside the electrolytic cell, so that it can be easily performed.
  • the obtained elastic cushion material 4 is stored in the electrolytic cell at the time of assembling the electrolytic cell. What is necessary is just to mount
  • the elastic cushion material 4 according to the electrolytic cell of the present invention when the metal coil body 11 is used as the metal elastic body, the diameter of the metal coil body 11 (the apparent diameter of the coil) is mounted in the electrolytic cell. As a result, the elasticity is usually reduced to 10 to 70%, and this elasticity makes it possible to elastically connect the flexible cathode 5 and the cathode current collector plate 6 to facilitate power feeding to the electrodes.
  • the elastic cushion material 4 after being mounted on the electrolytic cell is hardly subjected to plastic deformation because it retains its shape, and can be reused in most cases even when the electrolytic cell is disassembled and reassembled.
  • an elastic cushion material 4 and a flexible cathode 5 are sequentially arranged on a cathode current collector plate 6 as shown in FIG. From above, the flexible cathode 5 and the elastic cushion material 4 may be simultaneously fixed to the cathode current collector plate 6 with a fixing member such as a pin. In addition, the elastic cushion material 4 may be fixed to a fixing member such as a pin. After fixing to the cathode current collector plate 6, the flexible cathode 5 may be disposed on the elastic cushion material 4, and the flexible cathode 5 may be fixed by a known method, for example, a pin. Thereafter, when assembled as usual, an ion exchange membrane electrolytic cell in which the elastic cushion material 4 is held at a predetermined position can be obtained.
  • the ion exchange membrane electrolytic cell according to the present invention comprises an elastic cushion material formed by winding a metal elastic body around a corrosion-resistant frame between a flexible electrode and a current collector plate. It is only important that the corrosion-resistant frame is fixed to the porous current collector plate by a fixing member such as a pin, and other known structures can be appropriately adopted. So far, the electrolytic cell comprising a flexible cathode and a rigid anode as an electrode has been described with reference to FIG. 1. However, the present invention is not limited to this, and ion exchange employing a flexible anode and a rigid cathode as an electrode is described. It can also be applied to a membrane electrolytic cell.
  • a rigid anode when used as an electrode as shown in FIG. 1, a conventional porous substrate made of titanium, such as iridium oxide and / or ruthenium oxide, is used.
  • a chlorine generating electrode carrying a chlorine generating electrode catalyst can be used.
  • the ion exchange membrane is not particularly limited, and those conventionally used can be used.
  • an ion exchange membrane made of a fluororesin film having a cation exchange group such as a sulfonic acid group or a carboxylic acid group can be used.
  • a conventionally used flexible cathode can also be used.
  • a hydrogen generation cathode that generates hydrogen during electrolysis and an oxygen gas diffusion electrode are widely known, and these can also be used in the ion exchange membrane electrolytic cell of the present invention. it can.
  • a hydrogen generating cathode that generates hydrogen during electrolysis is preferable.
  • the hydrogen generating cathode is preferably a so-called active cathode in which a hydrogen generating electrode catalyst is supported on a nickel base material.
  • active cathodes have been developed and put to practical use, and any of these active cathodes can be used in the present invention.
  • the nickel base material used for the active cathode there is no particular limitation on the nickel base material used for the active cathode, but a porous plate such as an expanded metal made of nickel is generally used.
  • the thickness of the nickel substrate is preferably 1 mm or less, more preferably 0.3 mm or less. If the nickel base is too thick, the flexibility is insufficient and it is difficult to ensure a uniform zero gap. For this reason, the energy saving effect may not be obtained, and in some cases, the ion exchange membrane is excessively pressed, causing damage.
  • the lower limit of the thickness of the nickel substrate is not particularly limited as long as the nickel substrate can be handled, but is usually 0.01 mm or more considering durability and the like.
  • the hydrogen generation catalyst supported on the nickel base of the active cathode is not particularly limited, but a noble metal catalyst such as platinum, a platinum alloy, and ruthenium oxide is preferable.
  • a noble metal catalyst such as platinum, a platinum alloy, and ruthenium oxide is preferable.
  • the current collector plate is not particularly limited, and may be a metal plate that is conductive and excellent in corrosion resistance, and has a hole through which a fixing member for fixing can be inserted.
  • a perforated plate having a diamond-shaped hole, such as expanded metal can be suitably used.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

　L'invention concerne une cellule électrolytique à membrane échangeuse d'ions, dans laquelle un matériau d'amortissement élastique est fixé simplement et solidement à une plaque de collecteur de courant. Une cellule électrolytique à membrane échangeuse d'ions, dans laquelle un matériau d'amortissement élastique, formé à partir d'un corps élastique métallique enroulé autour d'un cadre résistant à la corrosion, est disposée entre une électrode souple et une plaque poreuse de collecteur de courant, les cadres résistant à la corrosion 60, 70 qui constituent le matériau d'amortissement élastique présentant des pièces de fixation 60a, 70a pour s'appliquer sur la plaque poreuse de collecteur de courant et étant fixés à la plaque poreuse de collecteur de courant par les pièces de fixation 60a, 70a.
PCT/JP2014/078768 2014-10-29 2014-10-29 Cellule électrolytique à membrane échangeuse d'ions WO2016067389A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000178781A (ja) * 1998-12-10 2000-06-27 Tokuyama Corp 電解槽及びそれに用いる固定ピン
JP2011117047A (ja) * 2009-12-04 2011-06-16 Tosoh Corp イオン交換膜法電解槽
JP2012057199A (ja) * 2010-09-07 2012-03-22 Chlorine Engineers Corp Ltd 電解用陰極構造体およびそれを用いた電解槽
JP2014221930A (ja) * 2013-05-13 2014-11-27 クロリンエンジニアズ株式会社 イオン交換膜電解槽

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000178781A (ja) * 1998-12-10 2000-06-27 Tokuyama Corp 電解槽及びそれに用いる固定ピン
JP2011117047A (ja) * 2009-12-04 2011-06-16 Tosoh Corp イオン交換膜法電解槽
JP2012057199A (ja) * 2010-09-07 2012-03-22 Chlorine Engineers Corp Ltd 電解用陰極構造体およびそれを用いた電解槽
JP2014221930A (ja) * 2013-05-13 2014-11-27 クロリンエンジニアズ株式会社 イオン交換膜電解槽

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