WO2019240313A1 - Dispositif de génération d'hydrogène - Google Patents

Dispositif de génération d'hydrogène Download PDF

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Publication number
WO2019240313A1
WO2019240313A1 PCT/KR2018/006766 KR2018006766W WO2019240313A1 WO 2019240313 A1 WO2019240313 A1 WO 2019240313A1 KR 2018006766 W KR2018006766 W KR 2018006766W WO 2019240313 A1 WO2019240313 A1 WO 2019240313A1
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Prior art keywords
positive electrode
anode
cathode
negative electrode
positive
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PCT/KR2018/006766
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English (en)
Korean (ko)
Inventor
김종만
오광진
고해훈
Original Assignee
다온기전 주식회사
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Publication of WO2019240313A1 publication Critical patent/WO2019240313A1/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
    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • 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
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • 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
    • 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 hydrogen generating device, and more particularly to a hydrogen generating device for generating hydrogen by electrolysis of water.
  • Hydrogen generating apparatus using electrolysis is an apparatus in which oxygen gas is generated on the anode side and hydrogen gas is generated on the cathode side as water molecules are decomposed by applying electrical energy to water containing an electrolyte or the like.
  • Such hydrogen generators are developed and used in a variety of devices.
  • a pair of cases are provided with inlets and outlets through which water is introduced and discharged, a cathode plate and a cathode plate are disposed in the case, and an ion membrane is disposed between the anode plate and the cathode plate.
  • water molecules may be decomposed by electric energy to generate hydrogen and oxygen.
  • the conventional hydrogen generating apparatus as described above uses a case made of an insulator such as a synthetic resin, and arranges the ion membrane, the positive electrode plate, and the negative electrode plate in close contact with the case formed of the insulator.
  • the problem to be solved by the present invention is to provide a hydrogen generating device that can maximize the efficiency of generating hydrogen.
  • the first and second positive electrode accommodating portion each having a water flow path formed therein is formed on one surface, the first and second positive electrode plate electrically connected to both electrodes;
  • a third positive electrode plate having a third positive electrode accommodating part having water paths formed therein on both surfaces thereof, and having a positive electrode electrically connected thereto;
  • First and second negative electrode plates disposed between the first to third positive electrode plates, respectively, and having first and second negative electrode accommodating portions formed on both surfaces thereof, and the negative electrodes being electrically connected to each other;
  • First to fourth insulating plates disposed between the first to third positive electrode plates and the first and second negative electrode plates, respectively, to insulate the first to third positive electrode plates and the first and second negative electrode plates;
  • first to fourth diaphragms disposed to separate the first to third positive electrode accommodating parts and the first and second negative electrode accommodating parts, which are disposed to face each other, and each of the first to third positive electrode plates, respectively.
  • First to third inlets through which water is supplied to the first to third anode receivers and first to third outlets through which water is discharged from the first to third anode receivers are formed, respectively.
  • first and second exhaust ports through which hydrogen gas is discharged from the first and second negative electrode accommodating parts may be formed, respectively.
  • an area in contact with water and a positive electrode plate is formed by forming a path through which water can flow in the positive electrode plate and the negative electrode plate, without using a separate positive electrode plate and negative electrode plate in the case of an insulating insulator. Since it can be maximized, there is an effect that can maximize the amount of hydrogen that can occur at the same time.
  • the speed at which the diaphragm is in contact with the water because water is introduced into the positive and negative receiving portions while the power is connected to the positive and negative plates is quick to minimize the damage to the diaphragm by applying power to the diaphragm in the absence of water.
  • FIG. 1 is a perspective view showing a hydrogen generator according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view showing a hydrogen generator according to an embodiment of the present invention.
  • FIG 3 is a perspective view illustrating a first anode plate of a hydrogen generator according to an embodiment of the present invention.
  • FIG. 4 is a perspective view illustrating a third positive electrode plate of the hydrogen generator according to the embodiment of the present invention.
  • FIG. 5 is a perspective view illustrating a negative electrode plate of a hydrogen generator according to an exemplary embodiment of the present invention
  • FIG. 6 is a cross-sectional view taken along the line AA ′ of FIG. 5.
  • FIG. 7 is a schematic view showing a hydrogen collecting device using a hydrogen generating device according to an embodiment of the present invention.
  • FIG. 1 and 2 are a perspective view and an exploded perspective view showing a hydrogen generating device according to an embodiment of the present invention.
  • 3 is a perspective view showing a first positive electrode plate of the hydrogen generator according to an embodiment of the present invention
  • Figure 4 is a perspective view showing a third positive electrode plate.
  • 5 is a perspective view illustrating a negative electrode plate of the hydrogen generator according to the exemplary embodiment of the present invention
  • FIG. 6 is a cross-sectional view taken along the line AA ′ of FIG. 5.
  • the hydrogen generating apparatus 100 may include first to third positive electrode plates 110, 120, and 130, and first and second negative electrode plates 140, 150), first to fourth insulating plates S1, S2, S3, and S4 and first to fourth diaphragms M1, M2, M3, and M4.
  • the first anode plate 110 may be formed in a rectangular or square shape.
  • the positive electrode connecting portion 118 for connecting the electrode in the upper direction may be formed to protrude.
  • the first anode plate 110 may include a first anode body 111, a first inlet 112, a first outlet 114, a first anode receiver 116, and a first positive electrode connector 118. It includes.
  • the first anode body 111 is formed in a rectangular or square shape.
  • the first anode body 111 may be made of metal, and in this embodiment, may be manufactured using titanium, and may be manufactured by plating platinum on titanium. Accordingly, the first anode body 111 may increase corrosion resistance and chemical resistance, and may prevent contamination of water, which is an electrolyte, even when water is ionized. At this time, the metal used for the first positive electrode body 111 and the material to be plated may use other types of materials as necessary.
  • a plurality of coupling holes C1 may be formed in the first anode body 111. As shown in FIG. 2, the coupler C1 may be formed along the edge of the first anode body 111, and in this embodiment, twelve pieces may be formed to surround the first anode receiving portion 116. have.
  • the first inlet part 112 may be provided to supply water to the inside of the first anode body 111 and may be disposed outside the first anode body 111.
  • the first inlet portion 112 when the position where the first positive electrode connecting portion 118 is formed on the first positive electrode body 111 is defined as an upper portion, the first inlet portion 112 is disposed to be offset from the outer upper portion of the first positive electrode body 111. Can be. Accordingly, the first inlet 112a may be formed in the first inlet 112.
  • the first discharge part 114 may be provided to discharge water supplied into the first positive electrode body 111 and may be disposed outside the first positive electrode body 111.
  • the first inlet 112 may be disposed at a position biased to the outer lower portion of the anode matrix. Accordingly, as shown in FIG. 2, the first outlet 114a may be formed inside the first outlet 114.
  • the position where the first inlet 112 and the first outlet 114 are disposed may be disposed in a diagonal direction from the first anode body 111 having a rectangular or square shape to the edge side.
  • the water discharged through the first discharge unit 114 may include oxygen generated by electrolysis.
  • the first anode receiving portion 116 may be formed inside the first anode body 111 and may be formed in a predetermined groove shape on the inner surface thereof.
  • the first positive electrode accommodating part 116 is a space in which water introduced through the first inlet 112a may be filled, and the first first ⁇ accommodating part 116 may be filled with water.
  • a first anode path portion 116a, a 1-2 anode path portion 116b, and a 1-3 anode path portion 161c may be formed.
  • the first-first anode path portion 116a may be formed in a straight line shape having a predetermined length in the downward direction at the first inlet 112a, and may be formed to have a predetermined width and a predetermined depth.
  • the first and second anode path portions 116b may be formed in a straight line shape having a predetermined length in an upward direction at the first discharge port 114a and may be formed to have a predetermined width and a predetermined depth. .
  • the lengths, widths, and depths of the first-first anode path portion 116a and the first-second anode path portion 116b may be the same, and may be disposed side by side at positions spaced apart from each other.
  • a plurality of first-third anode path portions 116c may be formed to connect the first-first anode path portion 116a and the first-second anode path portion 116b to each other.
  • the 1-3 anode path portion 116c is formed in a direction perpendicular to the 1-1st anode path portion 116a and the 1-2 anode path portion 116b, and is formed in a horizontal direction. Can be.
  • the 1-3 anode path portion 116c may be formed to have a predetermined width and a predetermined depth, and the width and depth of the 1-3 anode path portion 116c may correspond to the first-first anode path portion ( The width and the depth of the 116a and the first and second anode path portions 116b may be smaller than the width and depth of the first and second anode path portions 116b.
  • the first positive electrode connecting portion 118 is disposed on an upper side of the first positive electrode body 111.
  • the first positive electrode connector 118 is provided to connect an external power source to the first positive electrode plate 110, and a first positive electrode connector E1 may be formed to connect the external power source.
  • the first positive electrode connector 118 is provided to connect the positive power of the external power source.
  • the second anode plate 120 includes a second anode body 121, a second inlet 122, a second outlet 124, a second anode receiving portion and a second anode connecting portion 128.
  • the second positive electrode plate 120 has the same structure as the first positive electrode plate 110 and is rotated by 180 degrees with respect to the vertical axis passing through the center of the first positive electrode plate 110. That is, although not shown in the drawing, the second positive electrode accommodating part is formed inside the second positive electrode plate 120, and the second positive accommodating part is formed in the same shape as the first positive accommodating part 116. In this case, as illustrated in FIGS. 1 and 2, the second positive electrode connecting portion 128 may be disposed at an upper side of the upper portion at the same position as the first positive electrode connecting portion 118.
  • a second positive electrode connector E2 may be formed in the second positive electrode connector 128. As shown in the drawing, a second positive electrode connector 128 may be formed at a position corresponding to the plurality of coupling holes C1 formed in the first positive electrode body 111. A plurality of coupling holes C2 may be formed in the anode body 121.
  • the third positive electrode plate 130 may include a third positive electrode body 131, a third inlet 132, a third discharge part 134, a third positive electrode receiving part 136, and a third positive electrode connecting part 138. Include. As shown in FIG. 2, the third positive electrode plate 130 may have a shape similar to that of the first positive electrode plate 110.
  • the third anode body 131 may be formed of the same metal as the first and second anode bodies 111 and 121, and the plurality of coupling holes C3 are disposed to surround the third anode receiving portion 136. Can be.
  • the third inlet 132 may be provided to supply water into the third anode body 131, and may be disposed on an upper side of the third anode body 131.
  • the third inlet 132 may be disposed at a position biased on the upper side of the third positive electrode body 131.
  • the third discharge part 134 is provided to discharge the water supplied into the third positive electrode body 131 and may be disposed on the side of the third positive electrode body 131. In this case, the third discharge part 134 may be disposed on a side opposite to the third inlet part 132 and may be disposed under the side surface.
  • the third anode receiving portion 136 may be formed on the other surface which is one surface and the back surface of the third anode body 131, respectively. Further, a detailed description of the shape of the third positive electrode accommodating part 136 will be described later, but the third inlet 132a formed inside the third inlet 132 is extended to the third positive accommodating part 136. The third discharge port 134a formed in the third discharge part 134 may be extended to be formed.
  • a third positive electrode path part 136a, a third second positive path part 136b, and a third negative electrode path part 136c may be formed in the third positive electrode receiving part 136.
  • the 3-1 anode path portion 136a may be formed to have a predetermined width and a predetermined depth in the shape of a straight line having a predetermined length in the downward direction at the third inlet 132a.
  • the 3-2 anode path portion 136b may be formed in a straight shape having a predetermined length in the upper direction at the third discharge port 134a and may be formed to have a predetermined width and a predetermined depth.
  • the lengths, widths, and depths of the 3-1 anode path portion 136a and the second anode path portion 136b may be the same, and may be disposed side by side at positions spaced apart from each other.
  • the plurality of third anode path portions 136c may be formed in plurality so as to connect the 3-1 anode path portions 136a and the third-2 anode path portions 136b with each other.
  • the 3rd-3rd anode path part 136c is formed in the direction perpendicular to the 3-1st anode path part 136a and the 3-2nd anode path part 136b, and FIG. 2 and FIG. As shown in, it may be formed in a horizontal direction.
  • the 3-3 anode path portion 136c may be formed to have a predetermined width and a predetermined depth, and the width and depth of the 3-3 anode path portion 136c may correspond to the 3-1 anode path portion ( 136a) and the width and depth of the 3-2 anode path portion 136b, respectively.
  • the third positive electrode connecting portion 138 is disposed at an upper side of the third positive electrode body 131.
  • the third positive electrode connector 138 is provided to connect an external power source to the third positive electrode plate 130, and a third positive electrode connector E3 may be formed to connect the external power source.
  • the third positive electrode connector 138 is provided to connect the positive power of the external power source.
  • the first cathode plate 140 may be formed in a rectangular or square shape as shown in FIGS. 1, 2, and 5.
  • the first negative electrode plate 140 includes a first negative electrode body 141, a first exhaust part 142, and a first negative electrode receiving part 146.
  • a first negative electrode connector E4 may be formed to connect the electrode in an upward direction.
  • the first negative electrode connector E4 is formed in the shape of a groove on the top surface of the first negative electrode body 141.
  • the negative electrode of the external power source may be connected through the negative electrode connector E3.
  • the first cathode body 141 is formed in a rectangular or square shape.
  • the first cathode body 141 like the first anode body 111, a metal may be used, in this embodiment, may be manufactured using titanium, may be manufactured by plating platinum on titanium. have. Accordingly, the first negative electrode body 141 may increase corrosion resistance and chemical resistance, and may prevent contamination of water, which is an electrolyte even if water is ionized. If necessary, the metal used for the first cathode body 141 and the material to be plated may be used with other kinds of materials as necessary.
  • a plurality of coupling holes C4 may be formed in the first cathode body 141. As illustrated in FIGS. 1 and 2, the plurality of couplers C4 may be formed along the edge of the first cathode body 141, and the plurality of couplers C1 formed on the first anode body 111. It may be disposed at a position corresponding to). In the present exemplary embodiment, twelve coupling holes C4 may be formed to surround the first cathode receiving part 146.
  • the first exhaust part 142 is provided to exhaust hydrogen gas, which is a gas generated in the first negative electrode accommodating part 146 formed inside the first negative electrode body 141, to the outside, and the first negative electrode body 141 is provided. It may be disposed at the upper end of the. In the present embodiment, the first exhaust part 132 may be disposed at a position biased to the upper end of the first cathode body 141. Accordingly, as shown in FIG. 5, the first exhaust port 142a may be formed in the first exhaust unit 142.
  • the first exhaust part 142 may be disposed at an upper end portion of the first cathode body 141 having a rectangular or square shape.
  • the first exhaust part 142 is disposed at the upper end in this way, referring to FIG. 5, since the hydrogen gas is moved upward through the first negative electrode accommodating part 146 formed in the first negative electrode body 141. It is good to be placed in.
  • the first negative electrode accommodating part 146 may be formed on the inner side of the first negative electrode body 141, and may be formed in a predetermined groove shape on the inner side surface thereof.
  • the first cathode receiving portion 146 may be formed at a position corresponding to the first anode receiving portion 116, and the first to third cathode path portions 146a, 146b, and 146c may be formed.
  • the first negative electrode accommodating part 146 may be formed on both sides of the first negative electrode body 141, and the first negative electrode accommodating part 146 formed on both sides of the first negative electrode body 141 may have the same shape. Can be formed.
  • the first cathode path portion 146a may be formed in a straight line shape having a predetermined length in the horizontal direction, and may be formed to have a predetermined width and a predetermined depth.
  • the first exhaust part 142 may be disposed in the center of the first cathode path part 146a.
  • the second cathode path part 146b may be formed in parallel with the first cathode path part 146a at a position spaced apart from each other, and may have a predetermined width and a predetermined depth.
  • the first cathode path part 146a and the second cathode path part 146b may have the same length, width, and depth.
  • the third cathode path part 146c may be formed in plural to connect the first cathode path part 146a and the second cathode path part 146b with each other.
  • the third cathode path part 146c may be formed to connect the first cathode path part 146a and the second cathode path part 146b and may be formed in a vertical direction.
  • the third cathode path part 146c may be formed to have a predetermined width and a predetermined depth, and the width and depth of the third cathode path part 146c may be the first cathode path part 146a and the second cathode. It may be smaller than the width and depth of the path portion 146b, respectively.
  • the second negative electrode plate 150 includes a second negative electrode body 151, a second exhaust part 152, and a second negative electrode accommodating part 156.
  • the second negative electrode plate 150 has the same structure as the first negative plate 140. That is, the second negative electrode receiving portion 156 is formed on both surfaces of the second negative electrode body 151 of the second negative electrode plate 150.
  • a second negative electrode connector E5 may be formed on an upper surface of the second negative electrode body 151, and the second negative electrode body may be positioned at a position corresponding to the plurality of coupling holes C4 formed in the first negative electrode body 141.
  • a plurality of couplers C5 may also be formed at 151.
  • the first to fourth insulating plates S1, S2, S3, and S4 have a rectangular shape similar to the shapes of the first to third positive electrode bodies 111, 121, and 131 and the first and second negative electrode bodies 141 and 151. Or it may have a square shape, each of the first to fourth diaphragm insertion hole (SH1, SH2, SH3, SH4) may be formed inside.
  • the first insulating plate S1 is disposed between the first positive electrode body 111 and the first negative electrode body 141, and an insulating material so that the first positive electrode body 111 and the first negative electrode body 141 are insulated from each other. It can be prepared as.
  • the second insulating plate S2 is disposed between the first negative electrode body 141 and the third positive electrode body 131, and an insulating material so that the first negative electrode body 141 and the third positive electrode body 131 are insulated from each other. It can be prepared as.
  • the third insulating plate S3 is disposed between the third positive electrode body 131 and the second negative electrode body 151, and an insulating material to insulate the third positive electrode body 131 and the second negative electrode body 151 from each other. It can be prepared as.
  • the fourth insulating plate S4 is disposed between the second negative electrode body 151 and the second positive electrode body 121 and insulates the second negative electrode body 151 and the second positive electrode body 121 from each other. It can be prepared as.
  • the first to fourth insulating plates S1, S2, S3, and S4 may be made of silicon, synthetic resin, or the like, and may include the first to third anode bodies 111, 121, 131, and the first and fourth insulating plates S1, S2, S3, and S4. Any material may be used as long as the material can insulate between the second cathode bodies 141 and 151.
  • first to fourth insulating plates S1, S2, S3, and S4 may be formed relatively thinly as illustrated, and may include the first to third anode bodies 111, 121, 131, and the first and the first 2 may vary depending on the power applied to the cathode bodies 141 and 151, but is not limited thereto.
  • the first to fourth insulating plates S1, S2, S3, and S4 are disposed between the first to third anode bodies 111, 121, and 131 and the first and second cathode bodies 141 and 151, respectively.
  • the first to third anode bodies 111, 121, and 131 and the first and second cathode bodies 141 and 151 are coupled to each other by a bolt B or the like.
  • a plurality of couplers may be formed in the first to fourth insulating plates S1, S2, S3, and S4, and the plurality of couplers may include the first to third anode bodies 111, 121, and 131 and the first ones. And coupling holes C1, C2, C3, C4, and C5 formed in the second cathode bodies 141 and 151, respectively.
  • the first to third anode body 111, 121, 131 and the first and second cathode body (141, 151) by the bolt (B) to prevent each of the coupling holes (C1, C2) , C3, C4 and C5 may be disposed to penetrate the insulating tube S.
  • the insulating tube S is configured to electrically insulate the first to third anode bodies 111, 121, 131 and the first and second cathode bodies 141, 151, and may be made of silicon, rubber, or synthetic resin. Can be prepared.
  • First to fourth diaphragm insertion holes SH1, SH2, SH3, and SH4 are formed in the first to fourth insulating plates S1, S2, S3, and S4, respectively.
  • the sizes of the SH2, SH3, and SH4 may be formed to correspond to the sizes of the first to third positive electrode accommodating parts 116, 126, and 136 and the first and second negative electrode accommodating parts 146 and 156.
  • the first to fourth diaphragm insertion holes ( The shape of SH1, SH2, SH3, SH4) may also be formed in a rectangular or square shape.
  • the first to fourth diaphragms M1, M2, M3, and M4 are the first to fourth diaphragm insertion holes SH1, SH2, SH3, and SH4 of the first to fourth insulating plates S1, S2, S3, and S4, respectively.
  • the first to fourth diaphragm insertion holes (SH1, SH2, SH3, SH4) is inserted so as to be completely covered. Accordingly, the first to third positive electrode accommodating parts 116, 126, and 136 and the first and second negative electrode accommodating parts 146 and 156 are formed by the first to fourth diaphragms M1, M2, M3, and M4. It can be separated into other spaces.
  • the first to fourth diaphragms M1, M2, M3, and M4 are used to separate hydrogen and oxygen generated through electrolysis in the present embodiment, and may form a nafion-based thin film. It is available.
  • platinum may be coated on a thin film of Nafion series.
  • the coating of platinum on the Nafion-based thin film may be coated by decomposing platinum using electricity, and if necessary, the Nafion-based thin film may be coated with platinum.
  • the coating of platinum on a Nafion-based thin film by electroless may be performed by a method of depositing platinum on a Nafion-based thin film by stirring while a Nafion-based thin film is immersed in a liquid containing platinum. have.
  • the resistance of the first to fourth diaphragms M1, M2, M3, and M4 may be about 400 kPa to 500 kPa.
  • the first to third positive electrode connector (E1, E2, E3) of each of the first to third positive electrode plates (110, 120, 130) The positive pole of the power source is connected, and the negative pole of the DC power source is connected to each of the first and second negative electrode connectors E4 and E5 of the first and second negative electrode plates 140 and 150.
  • the first to third inlets 112a, 122a, and 132a are provided.
  • the water is electrolyzed to generate hydrogen gas and oxygen gas. Is generated.
  • the electrolyzed hydrogen gas is collected at the first and second negative electrode accommodating parts 146 and 156 which are the negative electrodes, and the oxygen gas is disposed at the first to third positive electrode accommodating parts 116 and 136 which are the positive electrodes. Gather. At this time, the water introduced into the first to third anode receiving portions 116 and 136 through the first to third inlet 112a, 122a, and 132a is formed on the entire first to third anode receiving portions 116 and 136. It spreads over and may be discharged to the outside through the first to third outlets 114a, 124a, and 134a together with the generated oxygen gas.
  • the hydrogen gas collected on the first and second cathode receiving portions 146 and 156 formed on both surfaces of the first and second cathode bodies 141 and 151 may have first and second exhaust ports 142a and 152a formed thereon. Can be discharged through).
  • the water flowing into the first to third anode receiving portions 116 and 136 through the first to third inlets 112a, 122a, and 132a may be the first to fourth diaphragms M1, M2, M3, and M4.
  • the first and second negative electrode accommodating part 146 is not discharged to the first and second negative electrode accommodating parts 146 and 156 and is discharged to the outside through the first to third discharge ports 114a, 124a and 134a. 156), only hydrogen gas can be collected.
  • direct current power is applied to the first to third positive electrode plates 110, 120, 130 and the first and second negative electrode plates 140, 150.
  • the direct current power source having a voltage of 12 V and a current of 20 A is applied. Supply. Accordingly, as the current of 20A is supplied, about 320 ml of hydrogen gas may be discharged through the first and second exhaust parts 142 and 152.
  • the first to third electrodes are compared with a case in which a water receiving space is formed in a case provided separately from the positive electrode plate or the negative electrode plate. Water may quickly flow into the first to third anode receiving portions 116 and 136 formed on the three anode plates 110, 120, and 130, respectively. Accordingly, when the power is applied before the first to fourth diaphragms M1, M2, M3, and M4 come into contact with water, the first to fourth diaphragms M1, M2, M3, and M4 may be damaged.
  • the first to fourth diaphragms M1, M2, M3, and M4 may be in rapid contact with water.
  • the time for which the first to fourth diaphragms M1, M2, M3, and M4 come into contact with water can be reduced, thereby preventing damage to the first to fourth diaphragms M1, M2, M3, and M4.
  • the first and second negative electrode accommodating parts 146 and 156 formed on the first and second negative electrode plates 140 and 150 will be described in more detail.
  • the first and second negative electrode accommodating parts 146 and 156 may be formed on both surfaces of the first and second negative electrode bodies 141 and 151, respectively.
  • the first and second negative electrode accommodating parts 146 and 156 include a first negative electrode path part 146a, a second negative electrode path part 146b, and a third negative electrode path part 146c, respectively.
  • the first cathode path part 146a, the second cathode path part 146b, and the third cathode path part 146c are formed in the shape of the grooves formed on the inner surfaces of the first and second cathode body 141 and 151, respectively. Can be.
  • the first cathode path part 146a and the second cathode path part 146b are formed at positions spaced apart from each other in parallel to each other, as shown in the vertical direction.
  • a plurality of third cathode path parts 146c may be provided between the first cathode path part 146a and the second cathode path part 146b in a horizontal direction.
  • the third cathode path portions 146c are formed to be spaced apart from each other at regular intervals, and the plurality of third cathode path portions 146c are the same as the inner surfaces of the first and second cathode bodies 141 and 151. Placed on a plane.
  • a plurality of third cathode path portions 146c may be formed with holes for connecting between adjacent third cathode path portions 146c. These holes may be formed in the vertical direction to connect the adjacent third cathode path portions 146c formed in the horizontal direction to each other. Such a plurality of holes may be arranged regularly according to a predetermined rule as shown, but is not limited thereto, and may be arranged irregularly.
  • the widths of the first cathode path part 146a and the second cathode path part 146b may be greater than the width of the third cathode path part 146c, and in this embodiment, the third cathode path part 146c
  • the width of may be about 60% (error range 10%) of the width of the first cathode path portion 146a and the second cathode path portion 146b.
  • the depths of the first cathode path part 146a and the second cathode path part 146b may be deeper than the depth of the third cathode path part 146c.
  • the hydrogen formed by electrolysis is formed in the first part. Movement along the cathode path part 146a, the second cathode path part 146b, and the third cathode path part 146c may be discharged to the outside through the first exhaust port 142a.
  • the first exhaust port 142a may be disposed at the center of the third cathode path portion 146c disposed at the top thereof, and may be formed through the first cathode body 141.
  • the first exhaust port 142a penetrating through the center of the first cathode body 141 may be formed to be connected to the first exhaust portion 142.
  • the hydrogen gas collected in the first negative electrode accommodating part 146 formed on both surfaces of the first negative electrode body 141 may be discharged to the outside through the first exhaust port 142a.
  • a plurality of path holes 146d may be formed in the first cathode path part 146a and the second cathode path part 146b.
  • the plurality of path holes 146d are provided to connect the first cathode receiving portions 146 formed on both sides of the first cathode body 141, and the hydrogen gas collected in each of the first cathode receiving portions 146 may move with each other. It is formed to be.
  • FIG. 7 is a schematic view showing a hydrogen collecting device using a hydrogen generating device according to an embodiment of the present invention.
  • a hydrogen collecting device 200 for collecting hydrogen generated by the hydrogen generating device 100 according to the present embodiment will be described.
  • the hydrogen collecting device 200 includes a hydrogen generating device 100, a water storage unit 210, and a hydrogen gas purification unit 220.
  • the water reservoir 210 is connected to the first to third inlets 112, 122, and 132 of the hydrogen generator 100 through the water supply pipe 212.
  • the first to third discharge parts 114, 124, and 134 of the hydrogen generator 100 are connected to the water discharge pipe 214, and the water discharged through the water discharge pipe 214 may be stored in a separate storage unit. It may be, and may be recovered to the water storage unit 210 as needed.
  • the water discharged through the water discharge pipe 214 is water containing oxygen gas.
  • the first and second exhaust parts 142 and 152 of the hydrogen generator 100 are connected to the hydrogen gas exhaust pipe 222, and the hydrogen gas exhausted through the first and second exhaust parts 142 and 152 is hydrogen.
  • the hydrogen gas purification unit 220 is supplied through the gas exhaust pipe 222.
  • the hydrogen gas purification unit 220 may be partially filled with water, and the hydrogen gas supplied through the hydrogen gas exhaust pipe 222 is supplied into the water filled in the hydrogen gas purification unit 220 to be purified by water. May be discharged through the refinery gas exhaust pipe 224. Hydrogen gas discharged to the refinery gas exhaust pipe 224 may be supplied to an external device.
  • the positive electrode terminal 232 may be electrically connected to the first to third positive electrode connectors 118, 128, and 138, and the negative electrode terminal 234 may be electrically connected to the first and second negative electrode connectors E4 and E5. .
  • the power supplied to the hydrogen generator 100 through the positive electrode terminal 232 and the negative electrode terminal 234 is DC power.

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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

Un dispositif de génération d'hydrogène selon un mode de réalisation de la présente invention peut comprendre : des première et deuxième plaques d'électrode positive ayant des première et deuxième parties contenant une électrode positive formées respectivement sur des premières surfaces de celles-ci, les première et deuxième parties contenant une électrode positive ayant des trajets d'écoulement d'eau formés respectivement dans leur intérieur, une électrode positive étant connectée électriquement aux première et deuxième plaques d'électrode positive ; une troisième plaque d'électrode positive ayant des troisièmes parties contenant une électrode positive formées respectivement sur les deux surfaces de celle-ci, la troisième plaque d'électrode positive contenant des parties ayant des trajets d'écoulement d'eau respectivement formés dans leur intérieur, une électrode positive étant connectée électriquement à la troisième plaque d'électrode positive ; des première et deuxième plaques d'électrode négative disposées respectivement entre les plaques d'électrode positive un à trois, les première et deuxième plaques d'électrode négative ayant des première et deuxième parties contenant une électrode négative formées respectivement sur les deux surfaces de celles-ci, une électrode négative étant électriquement connectée aux première et deuxième plaques d'électrode négative ; des plaques isolantes un à quatre disposées respectivement entre les plaques d'électrode positive un à trois et la première et la deuxième plaque d'électrode négative, de manière à isoler les plaques d'électrode positive un à trois et les première et deuxième plaques d'électrode négative ; et des barrières un à quatre agencées de façon à séparer respectivement les parties contenant une électrode positive un à trois et les première et deuxième parties contenant une électrode négative, lesquelles sont agencées pour se faire face l'une à l'autre. Les plaques d'électrode positive un à trois peuvent comporter des orifices d'entrée un à trois formés dans leur intérieur de façon à fournir de l'eau aux trois parties contenant une électrode positive, respectivement, lesdites plaques pouvant comporter des orifices d'évacuation un à trois formés dans leur intérieur de telle sorte que de l'eau est évacuée des parties un à trois contenant une électrode positive, respectivement. Les première et deuxième plaques d'électrode négative peuvent comporter des premier et deuxième orifices d'échappement formés dans leur intérieur de façon à évacuer de l'hydrogène gazeux à partir des première et seconde parties contenant une électrode négative, respectivement.
PCT/KR2018/006766 2018-06-14 2018-06-15 Dispositif de génération d'hydrogène WO2019240313A1 (fr)

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