WO2018066093A1 - Empilement de cellules et batterie à flux redox - Google Patents

Empilement de cellules et batterie à flux redox Download PDF

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Publication number
WO2018066093A1
WO2018066093A1 PCT/JP2016/079678 JP2016079678W WO2018066093A1 WO 2018066093 A1 WO2018066093 A1 WO 2018066093A1 JP 2016079678 W JP2016079678 W JP 2016079678W WO 2018066093 A1 WO2018066093 A1 WO 2018066093A1
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WO
WIPO (PCT)
Prior art keywords
frame
cell
cell stack
length
outer end
Prior art date
Application number
PCT/JP2016/079678
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English (en)
Japanese (ja)
Inventor
山口　英之
毅 寒野
本井　見二
健司 山名
Original Assignee
住友電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友電気工業株式会社 filed Critical 住友電気工業株式会社
Priority to PCT/JP2016/079678 priority Critical patent/WO2018066093A1/fr
Publication of WO2018066093A1 publication Critical patent/WO2018066093A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to a cell stack and a redox flow battery.
  • a cell frame having a bipolar plate, a positive electrode, a diaphragm, a negative electrode, and a cell frame are stacked, a cell stack in which the stacked body is sandwiched between supply and discharge plates, and a redox using the cell stack A flow battery is described.
  • the cell frame includes a bipolar plate and a frame body disposed on the outer periphery of the bipolar plate. In this configuration, one cell is formed between the bipolar plates of adjacent cell frames.
  • the cell stack of the present disclosure is A cell stack used for a redox flow battery,
  • the cell stack includes a laminate in which a plurality of cell frames having a frame are laminated,
  • the plurality of cell frames include at least one set of cell frame pairs each having a first cell frame and a second cell frame adjacent to each other,
  • the frame of the first cell frame has a first outer end;
  • the frame of the second cell frame has a second outer end adjacent to the first outer end;
  • the cell stack in which the first outer end portion is shifted by 0.5 mm or more and 20 mm or less with respect to the second outer end portion in a direction intersecting with a stacking direction of the plurality of cell frames.
  • the redox flow battery of the present disclosure is The cell stack of the present disclosure is provided.
  • FIG. 3 is an operation principle diagram of the redox flow battery according to Embodiment 1.
  • FIG. 1 is a schematic configuration diagram of a redox flow battery according to Embodiment 1.
  • FIG. 1 is a schematic configuration diagram of a cell stack according to Embodiment 1.
  • FIG. 3 is a schematic plan view of a cell frame provided in the cell stack according to Embodiment 1.
  • FIG. 3 is a partial enlarged view of the cell stack when the cell stack according to the first embodiment is viewed from a direction orthogonal to the stacking direction of the cell frames.
  • 10 is a schematic plan view of a cell frame provided in a cell stack according to Embodiment 3.
  • FIG. 6 is a schematic plan view of a cell frame provided in a cell stack according to Embodiment 4.
  • FIG. 10 is a schematic plan view of a cell frame provided in a cell stack according to Embodiment 5.
  • FIG. 1 is a schematic configuration diagram of a cell stack according to Embodiment 1.
  • the frame body provided in the cell frame is often manufactured by injection molding in which a resin is injected into a mold.
  • a locally thickened portion is easily formed at a position in the vicinity of the outer end portion of the frame body manufactured by injection molding.
  • the locally thickened portion is not a portion that has been intentionally thickened, but is a portion that becomes thick due to the characteristics of injection molding, and can be easily located in the same position on the frame. Therefore, when multiple cell frames are stacked and tightened, the locally thick parts of each frame overlap, and stress concentrates on the thick parts, damaging the cell frame. There is a fear.
  • an object of the present disclosure is to provide a cell stack in which when a plurality of cell frames are stacked and tightened, the cell frame is hardly damaged.
  • an object of the present disclosure is to provide a redox flow battery including a cell stack in which a cell frame is hardly damaged.
  • the cell stack according to the embodiment is A cell stack used for a redox flow battery,
  • the cell stack includes a laminate in which a plurality of cell frames having a frame are laminated,
  • the plurality of cell frames include at least one set of cell frame pairs each having a first cell frame and a second cell frame adjacent to each other,
  • the frame of the first cell frame has a first outer end;
  • the frame of the second cell frame has a second outer end adjacent to the first outer end;
  • the cell stack in which the first outer end portion is shifted by 0.5 mm or more and 20 mm or less with respect to the second outer end portion in a direction intersecting with a stacking direction of the plurality of cell frames.
  • the amount of deviation between the adjacent first outer end portion and the second outer end portion is 0.5 mm or more, excessive stress concentrates on the locally thickened portions of the frame bodies of both cell frames. Can be sufficiently suppressed.
  • the amount of deviation is too large, the flow of the electrolyte between the manifold provided in the first cell frame (see FIG. 2 of the embodiment) and the manifold provided in the second cell frame is hindered. There is a possibility, but such a problem does not occur if the amount of deviation is 20 mm or less.
  • any of the pair of cell frames adjacent in the stacking direction can satisfy the requirements for the cell frame pair.
  • the frame of the first cell frame may have the same shape as the frame of the second cell frame.
  • the first outer end portion and the second outer end portion that are adjacent to each other are arranged so as to be shifted from each other, so that it is excessive in the thickened portions of the frame bodies provided in both cell frames. Stress is hard to act.
  • the frame of the first cell frame may be different from the frame of the second cell frame when viewed from the stacking direction.
  • the size of the frame provided in the first cell frame when viewed from the stacking direction is different from the size of the frame provided in the second cell frame, the first of the frames provided in the first cell frame. And the second outer end of the frame provided in the second cell frame are shifted from each other.
  • the locally thick portions are different in the frame bodies having different sizes, it is difficult for excessive stress to act on the thick portions of the frame bodies provided in both cell frames.
  • the cell frame may include a bipolar plate disposed on the inner side of the frame.
  • the positive electrode and the negative electrode provided on the cell frame can be separated by the bipolar plate.
  • a frame can be manufactured with high productivity using a mold.
  • the frame includes a liquid supply manifold disposed on one end side thereof and a drainage manifold disposed on the other end side, and a direction in which the liquid supply manifold and the drainage manifold are separated is a length of the frame body.
  • the direction perpendicular to the length direction and the stacking direction is the width direction of the frame,
  • the first outer end portion of the first cell frame and the second outer end portion of the second cell frame are shifted in both the length direction and the width direction. be able to.
  • the frame includes a liquid supply manifold disposed on one end side thereof and a drainage manifold disposed on the other end side, and a direction in which the liquid supply manifold and the drainage manifold are separated is a length of the frame body.
  • the direction perpendicular to the length direction and the stacking direction is the width direction of the frame,
  • the length of the said length direction of each said frame body can mention the form larger than the length of the said width direction.
  • the frame includes a liquid supply manifold disposed on one end side thereof and a drainage manifold disposed on the other end side, and a direction in which the liquid supply manifold and the drainage manifold are separated is a length of the frame body.
  • the direction perpendicular to the length direction and the stacking direction is the width direction of the frame,
  • the length of the said length direction of each said frame body can mention the form smaller than the length of the said width direction.
  • the frame includes a liquid supply manifold disposed on one end side thereof and a drainage manifold disposed on the other end side, and a direction in which the liquid supply manifold and the drainage manifold are separated is a length of the frame body.
  • the direction perpendicular to the length direction and the stacking direction is the width direction of the frame, The form which the length of the said length direction of each said frame body is the same as the length of the said width direction can be mentioned.
  • a tightening mechanism can mention the form comprised so that it may contact
  • the tightening mechanism Having a pair of end plates disposed on both sides in the stacking direction of the plurality of cell stacks;
  • the tightening mechanism may be configured to be in close contact while applying pressure to the plurality of cell frames via the end plate.
  • the redox flow battery according to the embodiment is The cell stack according to the embodiment is provided.
  • the redox flow battery according to the embodiment is a redox flow battery including a cell stack in which the cell frame is hardly damaged. Therefore, the redox flow battery according to the embodiment is a redox flow battery in which problems associated with damage to the cell frame, for example, problems such as liquid leakage from the cell frame are unlikely to occur.
  • a redox flow battery (hereinafter referred to as an RF battery) according to an embodiment will be described with reference to FIGS.
  • the RF battery is one of electrolyte circulation type storage batteries, and is used for storing new energy such as solar power generation and wind power generation.
  • the RF battery 1 includes a redox potential of active material ions contained in the positive electrode electrolyte and a redox potential of active material ions contained in the negative electrode electrolyte. It is a battery which charges / discharges using the difference with this.
  • the RF battery 1 includes a cell 100 separated into a positive electrode cell 102 and a negative electrode cell 103 by a diaphragm 101 that transmits hydrogen ions.
  • a positive electrode 104 is built in the positive electrode cell 102 and a positive electrode electrolyte tank 106 for storing a positive electrode electrolyte is connected via conduits 108 and 110.
  • the conduit 108 is provided with a pump 112, and these members 106, 108, 110, 112 constitute a positive electrode circulation mechanism 100P that circulates the positive electrode electrolyte.
  • a negative electrode electrode 105 is built in the negative electrode cell 103, and a negative electrode electrolyte solution tank 107 that stores a negative electrode electrolyte is connected via conduits 109 and 111.
  • the conduit 109 is provided with a pump 113, and these members 107, 109, 111, 113 constitute a negative electrode circulation mechanism 100N for circulating the negative electrode electrolyte.
  • the electrolyte stored in the tanks 106 and 107 is circulated in the cells 102 and 103 by the pumps 112 and 113 during charging and discharging. When charging / discharging is not performed, the pumps 112 and 113 are stopped and the electrolytic solution is not circulated.
  • the cell 100 is usually formed inside a structure called a cell stack 2 as shown in FIGS.
  • the cell stack 2 is configured by sandwiching a laminated structure called a sub stack 200 (FIG. 3) between two end plates 210 and 220 from both sides and tightening with a tightening mechanism 230 (illustrated in FIG. 3).
  • the configuration uses a plurality of substacks 200).
  • the sub-stack 200 (FIG. 3) includes a stack of a plurality of cell frames 120, positive electrodes 104, diaphragms 101, negative electrodes 105, and cell frames 120.
  • the structure is sandwiched in (omitted in FIG. 2).
  • the cell frame 120 includes a frame body 122 having a through window and a bipolar plate 121 that closes the through window.
  • the cell plate 120 is disposed so that the positive electrode 104 is in contact with one surface side of the bipolar plate 121.
  • the negative electrode 105 is disposed so as to contact. In this configuration, one cell 100 is formed between the bipolar plates 121 of the adjacent cell frames 120.
  • the electrolyte solution flows through the supply / discharge plates 190, 190 to the cell 100 by the supply manifolds 123, 124 formed in the frame body 122 and the discharge manifolds 125, 126.
  • the vertical direction in FIG. 4 which is the direction in which the liquid supply manifold 123 (124) and the drainage manifold 126 (125) are separated, is the length direction of the frame body 122.
  • the horizontal direction of the paper surface which is the direction in which the liquid supply manifold 124 is separated, is the width direction of the frame body 122, and the depth direction of the paper surface is the thickness direction of the frame body 122.
  • the positive electrode electrolyte is supplied from the liquid supply manifold 123 to the positive electrode 104 via the inlet slit 123 s formed on one surface side (the front side of the paper surface) of the frame body 122, and the outlet slit formed in the upper portion of the frame body 122.
  • the liquid is discharged to the drainage manifold 125 through 125s.
  • the negative electrode electrolyte is supplied from the liquid supply manifold 124 to the negative electrode 105 through an inlet slit 124 s (shown by a broken line) formed on the other surface side (the back side of the paper) of the frame 122.
  • the liquid is discharged to the drainage manifold 126 through an outlet slit 126 s (shown by a broken line) formed in the upper part of 122.
  • An annular sealing member 127 such as an O-ring or a flat packing is disposed between the cell frames 120, and leakage of the electrolyte from the sub stack 200 is suppressed.
  • the frame body 122 of the cell frame 120 is an injection molded body (resin member) manufactured by injection molding.
  • a portion in the vicinity of the outer end portion 5, for example, a portion in the vicinity of the four corner portions tends to be locally thick.
  • the outer end portion 5 is a portion that forms an outer peripheral contour line when the frame body 122 is viewed in plan view, and in this example, shows the entire outer end surface along the thickness direction of the frame body 122. It is a problem in the characteristics of injection molding that the vicinity of the outer end portion 5 is locally thick, and it is not intended to be thick, but locally in the same position in each frame 122. It is easy to create a thickened part.
  • the position of the locally thickened portion is almost the same. If a plurality of such cell frames 120 are stacked, locally thickened portions of the frame body 122 of each cell frame 120 overlap, and when the sub stack 200 is tightened by the tightening mechanism 230, Excessive stress may act on the thickened part. When an excessive stress is applied to the locally thickened portion, there is a risk that the frame body 122 of the cell frame 120 may break, and the electrolyte may leak from the cell stack 2.
  • the first cell frame and the second cell frame constituting at least a part of the cell frame pairs out of the cell frame pairs provided in the cell stack 2 are shifted. It is laminated in a state. In this example, both frames are shifted in the vertical direction with respect to the installation surface on which the cell stack 2 is installed. This point will be described based on the partially enlarged view of FIG.
  • FIG. 5 shows the cell stack 2 as viewed from the direction orthogonal to the stacking direction (left and right direction on the paper) of the cell frames 120A, 120B, and 120C in the vicinity of the outer end 5 of the three cell frames 120A, 120B, and 120C. It is a partial enlarged view.
  • a cell frame pair 3 is composed of a cell frame 120A (first cell frame) and a cell frame 120B (second cell frame), and a cell frame 120B (first cell frame) and a cell frame 120C ( The second cell frame) constitutes a cell frame pair 4.
  • the portion (second outer end portion) 5 is shifted by a length L3.
  • the shift amounts (lengths L3 and L4) in the different cell frame pairs 3 and 4 may be different.
  • the corner portion of the outer end portion 5 of the frame body 122 is chamfered with an R chamfer. By doing so, it is possible to suppress an excessive stress from acting on the adjacent cell frames 120A, 120B, and 120C by the corners of the outer end portion 5 of the frame body 122.
  • the shift amount (length L3, L4) of the outer end 5 is 0.5 mm or more and 20 mm or less. If the shift amount of the outer end 5 is 0.5 mm or more, the locally thickened portion in the frame body 122 of the cell frame 120A (120B) and the locally in the frame body 122 of the cell frame 120B (120C). The thickened portion is shifted in the plane direction of the cell frames 120A and 120B (120B and 120C). As a result, excessive stress is unlikely to act on locally thickened portions of the frame body 122 of each cell frame 120A, 120B, 120C during tightening, and defects such as cracks are less likely to occur in the portions.
  • the displacement amount of the outer end portion 5 is 20 mm or less, the manifolds 123 to 126 of the two cell frames 120 shown in FIG. 3 are not displaced and the manifolds 123 to 126 are not blocked.
  • the deviation amount of the outer end portion 5 is preferably 0.8 mm or more and 10 mm or less, more preferably 1.2 mm or more and 5 mm or less.
  • the first cell frames and the second cell frames of all cell frame pairs provided in the cell stack 2 are stacked in a shifted state as shown in FIG. As a result, it is possible to suppress excessive stress from acting locally in all cell frames provided in the cell stack 2.
  • the maximum shift amount of all the cell frames 120 provided in the cell stack 2 is 20 mm or less. The maximum shift amount is a shift amount between the cell frame 120 at the lowest position and the cell frame 120 at the highest position among all the cell frames 120.
  • the state in which the two adjacent cell frames 120 are displaced in the vertical direction (length direction along the vertical direction) with respect to the installation surface on which the cell stack 2 is installed has been described. It may be in a state shifted in the direction). Two adjacent cell frames 120 may be shifted in both the vertical direction and the horizontal direction with reference to the installation surface. In this case, the amount of deviation in the vertical direction and the amount of deviation in the horizontal direction are 0.5 mm or more and 20 mm or less, respectively.
  • the size of the frame provided in the first cell frame may be different. If cell frames having different sizes of frames are stacked, the outer edge of the frame provided in the first cell frame and the outside of the frame provided in the second cell frame are viewed from the direction orthogonal to the stacking direction. The edge part is shifted, and the locally thickened part in the frame of the first cell frame and the locally thickened part in the frame of the second cell frame are shifted in the plane direction of the cell frame. .
  • the shape of the cell frame 120 is not limited to the shape shown in FIG. 4, and may be the shape shown in FIG. 6, for example.
  • slits 123s, 124s, 125s, and 126s provided in the frame body 122 are substantially J-shaped. Specifically, after extending outward from the lateral side position of the bipolar plate 121, the bipolar plate 121 is connected to the manifolds 123, 124, 125, 126 after being bent inward.
  • the shape of the cell frame 120 may be the shape shown in FIG. In the cell frame 120 of FIG. 7, slits 123 s, 124 s, 125 s, 126 s provided in the frame body 122 are complicatedly curved in the vertical direction and the horizontal direction and connected to the manifolds 123, 124, 125, 126.
  • the shape of the cell frame 120 may be the shape shown in FIG. In the cell frame 120 of FIG. 8, slits that connect the manifolds 123, 124, 125, and 126 to the bipolar plate 121 are not formed. Instead, a slit is formed in the gasket 129 disposed between the adjacent cell frames 120.
  • the gasket 129 in FIG. 5 is a gasket 129 that is stacked on the front side of the cell frame 120 in the drawing.
  • the gasket 129 is provided with manifolds 123, 124, 125, and 126, a notched inlet slit 123 s connected to the manifold 123, and a notched outlet slit 125 s connected to the manifold 125.
  • the gasket 129 overlapped on the back side of the paper surface of the cell frame 120 has manifolds 123, 124, 125, 126, a notch-shaped inlet slit 124 s connected to the manifold 124, and a notch shape connected to the manifold 126.
  • Outlet slit 126s is provided with manifolds 123, 124, 125, and 126, a notched inlet slit 123 s connected to the manifold 123, and a notched outlet slit 125 s connected to the manifold 125.
  • the cell frame 120 has been described in which the length of the frame body 122 in the width direction (left and right direction in the drawing) is larger than the length of the frame body 122 in the length direction (up and down direction in the drawing).
  • a cell frame having a length in the length direction larger than the length in the width direction may be used.
  • a cell frame having the same length in the length direction and the width direction may be used.
  • test body A A cell stack (test body A) was prepared in which the shift amount of the outer end portion of all cell frame pairs provided in the cell stack was around 0.5 mm to 3.0 mm.
  • a cell stack (test body B) in which the shift amount of the outer end portion of all cell frame pairs provided in the cell stack is about 0.3 mm was prepared.
  • the tightening force of the cell stack tightening mechanism 230 was gradually increased. As a result, the cell frame of the test body B was cracked when the predetermined tightening force was reached, but the cell frame of the test example A tightened with the same tightening force was cracked. Did not occur.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

Cet empilement de cellules est utilisé dans une batterie à flux redox. L'empilement de cellules comprend un corps stratifié dans lequel une pluralité de châssis de cellules, ayant chacun un corps de châssis, ont été stratifiés. La pluralité des châssis de cellules comprend au moins un ensemble d'une paire de châssis de cellules qui a un premier châssis de cellule et un second châssis de cellule qui sont adjacents les uns aux autres. Dans au moins une partie de celui-ci, le corps de châssis du premier châssis de cellule a une première section de bord externe. Dans au moins une partie de celui-ci, le corps de châssis du second châssis de cellule a une seconde section de bord externe qui est adjacente à la première section de bord externe. Dans une direction croisant la direction de stratification de la pluralité de châssis de cellule, la première section de bord externe est décalée par rapport à la seconde section de bord externe de 0,5 mm à 20 mm inclus.
PCT/JP2016/079678 2016-10-05 2016-10-05 Empilement de cellules et batterie à flux redox WO2018066093A1 (fr)

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PCT/JP2016/079678 WO2018066093A1 (fr) 2016-10-05 2016-10-05 Empilement de cellules et batterie à flux redox

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019468159B2 (en) * 2019-09-25 2022-12-01 De Nora Permelec Ltd Laminated structure including electrodes

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JPH07135008A (ja) * 1993-11-09 1995-05-23 Sumitomo Electric Ind Ltd 電池セル構造
JP2002329523A (ja) * 2001-05-01 2002-11-15 Sumitomo Electric Ind Ltd レドックスフロー電池用セルフレーム
JP2002367660A (ja) * 2001-06-12 2002-12-20 Sumitomo Electric Ind Ltd レドックスフロー電池用セルスタック
JP2003504811A (ja) * 1999-07-01 2003-02-04 スクワレル・ホールディングス・リミテッド 膜分離されたバイポーラマルチセル電気化学反応器
JP2008537290A (ja) * 2005-04-16 2008-09-11 リーフュエル・テクノロジー・リミテッド 電気化学セルスタック
JP2010277811A (ja) * 2009-05-28 2010-12-09 Abe Tomomi レドックスフロー電池のセルユニットとそのセルスタック構造
JP2014207122A (ja) * 2013-04-12 2014-10-30 パナソニック株式会社 双極板及びその製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07135008A (ja) * 1993-11-09 1995-05-23 Sumitomo Electric Ind Ltd 電池セル構造
JP2003504811A (ja) * 1999-07-01 2003-02-04 スクワレル・ホールディングス・リミテッド 膜分離されたバイポーラマルチセル電気化学反応器
JP2002329523A (ja) * 2001-05-01 2002-11-15 Sumitomo Electric Ind Ltd レドックスフロー電池用セルフレーム
JP2002367660A (ja) * 2001-06-12 2002-12-20 Sumitomo Electric Ind Ltd レドックスフロー電池用セルスタック
JP2008537290A (ja) * 2005-04-16 2008-09-11 リーフュエル・テクノロジー・リミテッド 電気化学セルスタック
JP2010277811A (ja) * 2009-05-28 2010-12-09 Abe Tomomi レドックスフロー電池のセルユニットとそのセルスタック構造
JP2014207122A (ja) * 2013-04-12 2014-10-30 パナソニック株式会社 双極板及びその製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019468159B2 (en) * 2019-09-25 2022-12-01 De Nora Permelec Ltd Laminated structure including electrodes
EP4036277A4 (fr) * 2019-09-25 2022-12-07 De Nora Permelec Ltd Structure stratifiée comprenant des électrodes
US11718922B2 (en) 2019-09-25 2023-08-08 De Nora Permelec Ltd Laminated structure including electrodes
TWI840419B (zh) * 2019-09-25 2024-05-01 日商迪諾拉永久電極股份有限公司 包含電極之疊層構造體

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