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ALKALINE WATER ELECTROLYSIS DEVICE COMPRISING METAL PARTICLE FLUIDIC ELECTRODE

NºPublicación:  EP4582594A1 09/07/2025
Solicitante: 
IUCF HYU [KR]
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
EP_4582594_PA

Resumen de: EP4582594A1

The present invention discloses a water electrolysis device including a metal particle fluidic electrode. The water electrolysis device of the present invention includes a cathode; a first fluid channel formed on the cathode; a cation exchange membrane (CEM) formed on the first fluid channel; a second fluid channel formed on the cation exchange membrane; and an anode formed on the second fluid channel, wherein the second fluid channel includes metal particles and is used as a metal particle fluidic electrode.

System for producing compressed Hydrogen

NºPublicación:  GB2636962A 09/07/2025
Solicitante: 
CERES IP CO LTD [GB]
Ceres Intellectual Property Company Limited
GB_2636962_PA

Resumen de: GB2636962A

An electrolyser system (10) and a method of operating an electrolyser system (10), the electrolyser system (10) comprising an electrolyzer (16) and a metal hydride or adsorption-desorption compressor (24), where the electrolyser (16) has at least one electrolyser cell with a steam input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolyser cell at the steam input (22), operating the electrolyser (16) to split part of the steam into hydrogen and oxygen in the at least one electrolyser cell, venting a mixture of the hydrogen and the remaining steam from the first side of the electrolyser cell at the at least one gas output (18), passing the mixture into the metal hydride or adsorption-desorption compressor (24), and cryo-adsorbing the hydrogen of the mixture in the metal hydride or 15 adsorption-desorption compressor (24) to compress the hydrogen and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyser system (10) is connected to a source of cold waste gas to operate the cryo-adsorption.

AEM电解槽

NºPublicación:  CN120272932A 08/07/2025
Solicitante: 
上海莒纳新材料科技有限公司
CN_120272932_PA

Resumen de: CN115976552A

The invention provides an electrolytic bath which comprises a cathode end plate, a cathode insulating layer, an electrolytic unit, an anode insulating layer and an anode end plate which are sequentially arranged in the same direction, and the electrolytic unit comprises small electrolytic chambers which are arranged in series; from the cathode insulating layer to the anode insulating layer, each small electrolysis chamber comprises a cathode plate, a cathode sealing ring, a cathode gas diffusion layer, a diaphragm, an anode gas diffusion layer, an anode sealing ring and an anode plate which are sequentially arranged, and the cathode plates and the anode plates at the series connection parts between the small electrolysis chambers are combined to form a bipolar plate; the cathode plate comprises a cathode surface, the anode plate comprises an anode surface, the bipolar plate comprises a cathode surface and an anode surface, the cathode surface and the anode surface are provided with a concave area and an outer frame area, the outer frame area surrounds the concave area, the concave area is respectively provided with two confluence runners, and a branch runner is arranged between the two confluence runners; and the two ends of the branch flow channel are communicated with the confluence flow channel. According to the scheme, uniform diffusion of the electrolyte is realized.

放出を減らした鋼または溶鉄含有材料を生産する方法及びシステム

NºPublicación:  JP2025102916A 08/07/2025
Solicitante: 
テノヴァ・ソチエタ・ペル・アツィオーニ
JP_2025102916_PA

Resumen de: US2022235426A1

Methods and systems for producing steel or similar molten-iron-containing materials in melting or smelting furnaces utilizing pre-reduced iron ore, known also as direct reduced iron (DRI) or sponge iron, wherein the emission of CO2 and other greenhouse gases is significantly low. Such methods and systems are based on producing DRI in a direct reduction furnace with a reducing gas comprising hydrogen; melting at least a portion of the DRI in a melting furnace in order to generate hot gases; producing steam and/or hot water using the heat contained in the hot gases. From the steam and/or hot water hydrogen is produced by electrolysis, at least a portion of which is fed to the direct reduction furnace as a component of the reducing gas to produce the DRI.

전해조 형성용 셀, 상기 셀을 포함하는 전해조, 전해조 제조 및 작동 방법

NºPublicación:  KR20250105632A 08/07/2025
Solicitante: 
신티씨비브이
AU_2023374771_PA

Resumen de: AU2023374771A1

Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.

電解装置を用いて水素及び酸素を生成する方法

NºPublicación:  JP2025102827A 08/07/2025
Solicitante: 
エス・エム・エス・グループ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング
JP_2025102827_PA

Resumen de: US2023023539A1

A method for generating hydrogen and oxygen using an electrolyzer, including at least one anode chamber having an anode and at least one cathode chamber having a cathode, wherein the at least one anode and the at least one cathode are energized by a modulated current and the generation of hydrogen and oxygen takes place within the electrolyzer using a defined pulse pattern sequence, which is formed from at least one pulse pattern.

电解设备以及用于运行电解设备的方法

NºPublicación:  CN120283084A 08/07/2025
Solicitante: 
西门子能源国际公司
CN_120283084_PA

Resumen de: AU2023405114A1

The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H

電磁流体力学的電気パワー発生器

NºPublicación:  JP2025102857A 08/07/2025
Solicitante: 
ブリリアントライトパワーインコーポレーティド
JP_2025102857_A

Resumen de: AU2024200214A1

MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR A power generator that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos identifiable by unique analytical and spectroscopic signatures, (ii) a reaction mixture comprising at least two components chosen from: a source of H20 catalyst or H20 catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H20 catalyst or H20 catalyst and a source of atomic hydrogen or atomic hydrogen; and a molten metal to cause the reaction mixture to be highly conductive, (iii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that causes a plurality of molten metal streams to intersect, (iv) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the plurality of intersected molten metal streams to ignite a plasma to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos, (v) a source of H2 and 0 2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

電磁流体発電機

NºPublicación:  JP2025102877A 08/07/2025
Solicitante: 
ブリリアントライトパワーインコーポレーティド
JP_2025102877_A

Resumen de: TW202507200A

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one stream of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

PURIFICATION METHOD OF HYDROGEN GAS PURIFICATION SYSTEM OF HYDROGEN GAS REFORMING METHOD OF HYDROGEN GAS AND REFORMING SYSTEM OF HYDROGEN GAS

NºPublicación:  KR20250102262A 07/07/2025
Solicitante: 
주식회사동진쎄미켐
WO_2025143640_PA

Resumen de: WO2025143640A1

Disclosed is a hydrogen gas purification method for increasing the recovery rate and purity of purified hydrogen gas. According to one aspect, provided is a hydrogen gas purification method comprising purifying a mixed gas produced by an electrolysis method and containing chlorine gas and hydrogen gas.

Water electrolysis system that suppress oxidation of hydrogen generating electrode catalyst

NºPublicación:  KR20250102672A 07/07/2025
Solicitante: 
한양대학교산학협력단

Resumen de: KR20250102672A

본 발명은 수소발생전극 촉매의 산화를 억제하는 수전해 시스템에 관한 것으로, 본 발명에 따르면, 수소발생전극 및 전해질을 포함하는 수소발생부와, 산소발생전극 및 전해질을 포함하는 산소발생부와, 상기 수소발생부와 산소발생부 사이에 위치하는 분리막과, 상기 수소발생부와 산소발생부의 전극들에 전원을 공급하는 전원공급장치를 포함하는 수전해 시스템에서, 수소발생부의 전해질로서 알카라인 전해질 또는 중성 전해질에 저가의 소재인 아황산염을 포함하는 첨가제를 첨가함으로써, 분리막을 통해 크로스오버된 산소 분자 또는 상기 수소발생부의 전해질 내에 용존하는 산소 분자와 아황산염이 우선 반응하여 수소발생전극의 산화를 억제하여, 이로 인한 수소발생전극 촉매의 열화를 감소시켜 수소 생산 효율 및 수소발생전극의 수명을 증가시킬 수 있다.

- - Wireless Photovoltaic-Electrochemical System with Enhanced Solar-to-Hydrogen Conversion Efficiency

NºPublicación:  KR20250101425A 04/07/2025
Solicitante: 
한국과학기술원국립금오공과대학교산학협력단
KR_20250101425_PA

Resumen de: KR20250101425A

본 발명은 태양-수소 변환 효율이 향상된 무선 광전지-전기화학 시스템에 관한 것으로서, 태양광을 이용하여 발전하는 태양전지부, 태양전지부에 연결된 애노드 전극부, 및 태양전지부에 연결된 캐소드 전극부를 포함하며, 애노드 전극부는 CuNiFe-LDH를 포함하도록 구성되고, 캐소드 전극부는 NiFe2O4를 포함하도록 구성된다. 또한, 태양전지부는 비정질 실리콘(a-Si:H)/a-Si:H/미세결정 실리콘(μc-Si:H)의 삼원접합 박막 태양전지를 포함하여 구성될 수 있다. 본 발명에 따른 무선 광전지-전기화학 시스템은 우수하고 안정적인 작동 및 유망한 효율과 내구성을 보이면서도 높은 수소 생산량을 나타낼 수 있다. 구체적인 예로서, 비정질 실리콘(a-Si:H)/a-Si:H/미결정 실리콘(μc-Si:H) 삼원접합 박막 태양전지에 CuNiFe-LDH/Ni 섬유 종이(NFP) 양극 및 NiFe2O4/NFP 음극을 결합하여, 11.08%의 태양광-수소(STH) 효율을 달성하였다.

固态电化学装置

NºPublicación:  CN120266294A 04/07/2025
Solicitante: 
住友电气工业株式会社
CN_120266294_PA

Resumen de: WO2024150467A1

Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.

工具のためのガス発生器、ガス発生器の使用及びガス発生器を備えた工具

NºPublicación:  JP2025520995A 04/07/2025
Solicitante: 
ヒルティアクチエンゲゼルシャフト
JP_2025520995_PA

Resumen de: WO2024240539A1

The invention discloses a gas generator (20) for a tool comprising an electrolytic cell (30) for producing oxyhydrogen gas with a hollow cell body (31) and an electrode pair (32) with a first electrode (33) and a second electrode (35). Said first electrode (33) and said second electrode (35) are separated by a non-conductive separator (37) in said hollow cell body (31). A gas extraction tube (55) is arranged in the hollow cell body (31). Furthermore, said invention disclose a usage of such a gas generator in a tool and a tool with such a gas generator.

PLANT AND METHOD FOR TREATING SULPHIDE-CONTAINING GASES AND FOR RECOVERING SULPHUR BY HIGH-TEMPERATURE ELECTROLYSIS UNIT COUPLING

NºPublicación:  WO2025141013A1 03/07/2025
Solicitante: 
GENVIA [FR]
SCHLUMBERGER TECH CORPORATION [US]
SCHLUMBERGER CANADA LTD [CA]
SERVICES PETROLIERS SCHLUMBERGER [FR]
SCHLUMBERGER TECH B V [NL]
GENVIA,
SCHLUMBERGER TECHNOLOGY CORPORATION,
SCHLUMBERGER CANADA LIMITED,
SERVICES P\u00C9TROLIERS SCHLUMBERGER,
SCHLUMBERGER TECHNOLOGY B.V

Resumen de: WO2025141013A1

The invention relates to a plant for treating gases containing hydrogen sulphide (H2S), the plant comprising: - a Claus-type sulphur recovery unit (1), the sulphur recovery unit (1) receiving, as input: a first stream comprising a gas containing H2S and a second stream comprising a gas that comprises O2; - a high-temperature steam electrolysis unit receiving, as input, a first stream comprising water vapour and supplying, as output, a second stream comprising O2 gas and a third stream comprising H2 gas. The invention is characterised in that the plant further comprises a water vapour forming unit (3) comprising means for recovering the heat from the sulphur recovery unit (1), this heat being used to produce at least some of the water vapour of the first stream received by the electrolysis unit.

ELECTROLYSIS CELL AND ELECTROLYSIS APPARATUS

NºPublicación:  AU2024233949A1 03/07/2025
Solicitante: 
MITSUBISHI HEAVY INDUSTRIES LTD
MITSUBISHI HEAVY INDUSTRIES, LTD
AU_2024233949_PA

Resumen de: AU2024233949A1

An electrolysis cell according to the present disclosure is provided with: a first separator; a second separator; an anion exchange membrane disposed between the first separator and the second separator; a negative electrode disposed between the first separator and the anion exchange membrane; and a positive electrode disposed between the second separator and the anion exchange membrane. The first separator has a flow path for supplying an electrolyte solution to the negative electrode, and hydrogen and hydroxide ions are produced at the negative electrode by consuming at least some of the electrolyte solution supplied from the flow path. The second separator does not have a flow path for supplying the electrolyte solution to the positive electrode, and oxygen and water are produced at the positive electrode from the hydroxide ions that have come from the negative electrode through the anion exchange membrane, in a state where the electrolyte solution is not supplied to the positive electrode.

CATALYST, IN PARTICULAR FOR CRACKING AMMONIA, METHOD FOR PREPARING THE CATALYST AND METHOD FOR SYNTHESISING HYDROGEN

NºPublicación:  WO2025141005A1 03/07/2025
Solicitante: 
ENERCAT [FR]
LYNAS RARE EARTHS LTD [AU]
ENERCAT,
LYNAS RARE EARTHS LIMITED
FR_3157228_PA

Resumen de: WO2025141005A1

The invention relates to a catalyst for the decomposition of ammonia into hydrogen and nitrogen, wherein the catalyst comprises at least ruthenium, mesoporous cerium oxide and at least one oxide selected from among cobalt, nickel and iron oxides, preferably nickel oxide, and to a method for producing hydrogen from ammonia comprising the following steps in this order: activating at least one catalyst according to the invention at a temperature ranging from 300°C to 600°C under a stream of a reducing gas; bringing the activated catalyst into contact with a gas to be treated comprising ammonia at a temperature ranging from 200°C to 800°C, and at a pressure ranging from atmospheric pressure to 100 bar.

BATCH SYSTEMS AND METHODS FOR HYDROGEN GAS EXTRACTION FROM A LIQUID HYDROGEN CARRIER

NºPublicación:  AU2025204349A1 03/07/2025
Solicitante: 
ELECTRIQ GLOBAL ENERGY SOLUTIONS LTD
Electriq-Global Energy Solutions Ltd
AU_2025204349_A1

Resumen de: AU2025204349A1

Abstract: A system for extracting hydrogen gas from a liquid hydrogen carrier may include a hydrogen gas reactor, a catalyst for facilitating extraction of the hydrogen gas from the liquid hydrogen carrier, and a reservoir for containing the liquid hydrogen carrier and a spend liquid hydrogen carrier. The system may be configured to regulate a flow of liquid hydrogen carrier in and out of the hydrogen gas reactor, to move a catalyst relative to a volume of the liquid hydrogen carrier, and to provide a continuous flow of the hydrogen gas, in response to a demand for the hydrogen gas. Abstract: A system for extracting hydrogen gas from a liquid hydrogen carrier may include a hydrogen gas reactor, a catalyst for facilitating extraction of the hydrogen gas from the liquid hydrogen carrier, and a reservoir for containing the liquid hydrogen carrier and a spend liquid hydrogen carrier. The system may be configured to regulate a flow of liquid hydrogen carrier in and out of the hydrogen gas reactor, to move a catalyst relative to a volume of the liquid hydrogen carrier, and to provide a continuous flow of the hydrogen gas, in response to a demand for the hydrogen gas. un b s t r a c t : s y s t e m f o r e x t r a c t i n g h y d r o g e n g a s f r o m a l i q u i d h y d r o g e n c a r r i e r m a y i n c l u d e a h y d r o g e n g a s r e a c t o r , a c a t a l y s t f o r f a c i l i t a t i n g e x t r a c t i o n o f t h e h y d r o g e n g a s f r o m t h e l i q u i d h y

WATER ELECTROLYSIS DEVICE AND OPERATION CONTROLLING METHOD FOR WATER ELECTROLYSIS DEVICE

NºPublicación:  WO2025142261A1 03/07/2025
Solicitante: 
TOYOTA MOTOR KYUSHU INC [JP]
KYUSHU UNIV NATIONAL UNIV CORPORATION [JP]
\u30C8\u30E8\u30BF\u81EA\u52D5\u8ECA\u4E5D\u5DDE\u682A\u5F0F\u4F1A\u793E,
\u56FD\u7ACB\u5927\u5B66\u6CD5\u4EBA\u4E5D\u5DDE\u5927\u5B66

Resumen de: WO2025142261A1

In order to provide a water electrolysis device and an operation controlling method for the water electrolysis device which, when the operation is stopped, are capable of reducing energy consumption and suppressing deterioration of an electrolyte membrane due to hydrogen peroxide generated in a cathode-side hydrogen flow passage when the operation is stopped, this operation controlling method for a water electrolysis device having at least one water electrolysis cell which is divided into an anode-side oxygen flow passage 5 and a cathode-side hydrogen flow passage 6 by an electrolyte membrane, electrolyzes pure water supplied to the oxygen flow passage 5, and discharges hydrogen from the hydrogen flow passage 6 comprises: supplying pure water to the oxygen flow passage 5 during the operation of the water electrolysis device; when the operation of the water electrolysis device is stopped, stopping the supply of pure water to the oxygen flow passage 5, and supplying pure water to the hydrogen flow passage 6 for a prescribed period of time and discharging the same to the outside; and then stopping the supply of pure water to the hydrogen flow passage 6.

CARBON DIOXIDE SEQUESTRATION WITH MAGNESIUM HYDROXIDE AND REGENERATION OF MAGNESIUM HYDROXIDE

NºPublicación:  US2025214037A1 03/07/2025
Solicitante: 
CARBONFREE CHEMICALS HOLDINGS LLC [US]
CARBONFREE CHEMICALS HOLDINGS, LLC
US_2025214037_A1

Resumen de: US2025214037A1

Embodiments of the present disclosure are directed to systems and methods of removing carbon dioxide from a gaseous stream using magnesium hydroxide and then regenerating the magnesium hydroxide. In some embodiments, the systems and methods can further comprise using the waste heat from one or more gas streams to provide some or all of the heat needed to drive the reactions. In some embodiments, magnesium chloride is primarily in the form of magnesium chloride dihydrate and is fed to a decomposition reactor to generate magnesium hydroxychloride, which is in turn fed to a second decomposition reactor to generate magnesium hydroxide.

APPARATUS FOR TREATMENT OF ELECTRODES

NºPublicación:  US2025215602A1 03/07/2025
Solicitante: 
LATENT DRIVE LTD [GB]
Latent Drive Ltd
US_2025215602_A1

Resumen de: US2025215602A1

Apparatus is provided for treating an electrode in an electrochemical cell. The electrode is treated to evolve catalytic oxide layers on the electrode surface, which make the electrode suitable for use in hydrogen production. The apparatus includes a signal generator, a switching arrangement, and a filtering stage including a differential choke and the common mode choke, to supply power to the electrochemical cell for commercial scale treatment and production of electrodes.

METHANOL PRODUCTION METHOD AND METHANOL PRODUCTION DEVICE

NºPublicación:  WO2025142740A1 03/07/2025
Solicitante: 
MITSUBISHI GAS CHEMICAL COMPANY INC [JP]
\u4E09\u83F1\u74E6\u65AF\u5316\u5B66\u682A\u5F0F\u4F1A\u793E

Resumen de: WO2025142740A1

A methanol production method comprising: a step (A) for acquiring a synthesis gas comprising at least carbon dioxide and hydrogen; a step (B) for reacting the synthesis gas in the presence of a catalyst to obtain a methanol mixture; a step (C) for distilling the methanol mixture to separate out each of methanol, a distillation waste liquid, and distillation wastewater; and a step (D) for subjecting the distillation waste liquid and/or the distillation wastewater to an organic matter decomposition treatment to obtain a decomposition gas and treated water.

HYDROGEN ELECTROCHEMICAL SYSTEM, METHOD FOR DETERMINING STATE OF HYDROGEN CELL STACK, AND PROGRAM

NºPublicación:  WO2025142931A1 03/07/2025
Solicitante: 
HORIBA LTD [JP]
\u682A\u5F0F\u4F1A\u793E\u5800\u5834\u88FD\u4F5C\u6240

Resumen de: WO2025142931A1

In the present invention, a hydrogen electrochemical system 100 comprises an acquisition unit 541, a storage unit 53, and a determination unit 544. The acquisition unit 541 acquires at least distribution information Ds2, De2, and Dt2 indicating the distribution of a physical quantity Q in a hydrogen cell stack 1. In the hydrogen cell stack 1, water is generated by an electrochemical reaction in which hydrogen is used, or vice versa. The storage unit 53 stores correlation data Dc. The correlation data Dc indicates a correlation between the state of the hydrogen cell stack 1 and a feature amount φ that is converted from at least the information Ds2 and De2 regarding the distribution in the hydrogen cell stack 1 in a state including a normal state and one or more abnormal states. On the basis of the correlation information Dc, the determination unit 544 determines the state of the hydrogen cell stack 1 from at least the distribution information Dt2 of the hydrogen cell stack 1 in operation.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY

NºPublicación:  WO2025143143A1 03/07/2025
Solicitante: 
AGC INC [JP]
\uFF21\uFF27\uFF23\u682A\u5F0F\u4F1A\u793E

Resumen de: WO2025143143A1

Provided is a solid polymer electrolyte membrane which is capable of suppressing an increase in electrolytic voltage after water electrolysis is performed for a certain period, and in which pinholes are hardly generated. This solid polymer electrolyte membrane includes: a fluorine-containing polymer having an ion exchange group; a platinum-containing material; aggregates of cerium oxide particles; and a woven fabric. The average particle diameter of the aggregates is 0.1-10 μm.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY

Nº publicación: WO2025143203A1 03/07/2025

Solicitante:

AGC INC [JP]
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Resumen de: WO2025143203A1

The present disclosure addresses the problem of providing a solid polymer electrolyte membrane which is capable of suppressing occurrence of curl and suppressing crossover of hydrogen. The present disclosure also addresses the problem of providing: a membrane electrode assembly; a water electrolysis device; and a method for producing a membrane electrode assembly. A solid polymer electrolyte membrane according to the present disclosure comprises: a first layer that contains a first fluorine-containing polymer which has an ion exchange group and a platinum-containing material; and a second layer that contains a second fluorine-containing polymer which has an ion exchange group. The concentration of the platinum-containing material in the second layer is lower than the concentration of the platinum-containing material in the first layer, and the ion exchange capacity of the first fluorine-containing polymer is higher than the ion exchange capacity of the second fluorine-containing polymer. This solid polymer electrolyte membrane further has a reinforcement body that is disposed closer to the first layer-side surface of the solid polymer electrolyte membrane than the center position of the solid polymer electrolyte membrane in the thickness direction.

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