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1081
results.
Updated on
28/06/2025 [07:28:00]
Results 600 to 625 of 1081
Absstract of: AU2023342927A1
An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.
Absstract of: AU2023343511A1
The problem addressed by the present invention is that of specifying a process for producing lithium hydroxide which is very energy efficient. The process shall especially operate without consumption of thermal energy. The process shall be able to handle, as raw material, Li-containing waters generated during digestion of spent lithium-ion batteries. The LiOH produced by the process shall have a high purity sufficient for direct manufacture of new LIB. The process shall achieve a high throughput and have small footprint in order that it can be combined with existing processes for workup of used LIB/for production of new LIB to form a closed, continuous production loop. The process according to the invention is an electrolytic membrane process operating with a LiSICon membrane. It is a special aspect of the process that the electrolysis is operated up to the precipitation limit of the lithium hydroxide.
Absstract of: CN119816545A
A block copolymer having one or more segments containing an ionic group (hereinafter referred to as "ionic segments") and one or more segments not containing an ionic group (hereinafter referred to as "nonionic segments"), the ionic segments having an aromatic hydrocarbon polymer having a number average molecular weight of more than 40,000 and 50,000 or less, and the nonionic segments having a number average molecular weight of more than 40,000 and 50,000 or less. When the number-average molecular weight of the ionic segment is Mn1, the number-average molecular weight of the nonionic segment is Mn2, and the number-average molecular weight of the block copolymer is Mn3, the relationship Mn3/(Mn1 + Mn2) > 1.5 is satisfied. Provided are: a block copolymer which has excellent proton conductivity even under low-humidity conditions, excellent mechanical strength, excellent physical durability, and excellent manufacturability; and a polymer electrolyte material which uses the block copolymer.
Absstract of: US2025145754A1
A hydrocarbon-based ionomer for a membrane-electrode assembly includes a block copolymer. The block copolymer includes a triblock copolymer that is represented by A1n1-Bm-A2n2. A1 is a first hydrophobic domain, B is a hydrophilic domain, A2 is a second hydrophobic domain, n1 and n2 each is an integer greater than or equal to 100 and less than or equal to 4,000, and m is an integer greater than or equal to 100 and less than or equal to 8,000.
Absstract of: AU2023343512A1
The present invention relates to the electrochemical production of hydrogen and lithium hydroxide from Li+-containing water using a LiSICon membrane. The problem addressed by the present invention is that of specifying a process which is operable economically even on an industrial scale. The process shall especially exhibit a high energy efficiency and achieve a long service life of the membrane even when the employed feed contains impurities harmful to LiSICon materials. A particular aspect of the process is that the cell simultaneously separates off the lithium via the membrane and effects electrolysis of water. An essential aspect of the process is that the electrochemical process is performed in a basic environment, more precisely at pH 9 to 13. The pH is adjusted by addition of a basic compound to the feed.
Absstract of: KR20250068014A
본 발명은 프로토닉 세라믹 전기화학 전지의 공기극용 소재 및 이를 포함하는 프로토닉 세라믹 전기화학 전지에 관한 것으로, 보다 상세하게는 공기극의 전기화학적 성능을 향상시킬 수 있는 페로브스카이트 구조를 갖는 프로토닉 세라믹 전기화학 전지의 공기극용 소재 및 이를 포함하는 프로토닉 세라믹 전기화학 전지에 관한 것이다. 본 발명에 따른 프로토닉 세라믹 전기화학 전지의 공기극용 소재의 제조방법은 Pr, Ba, Sr, Co 및 Ni 를 포함하는 금속 산화물 전구체를 용해하여 전구체 용액을 수득하는 전구체 용액 수득단계;와 상기 전구체 용액을 가열하여 고형물을 수득하는 가열단계;와 상기 고형물을 분쇄하여 분말상으로 제조하는 분쇄단계;를 포함한다.
Absstract of: CN120001321A
一种以液态金属作为催化剂的氨分解反应器，涉及氨分解制氢技术领域。反应器包括液态金属，多孔金属管，反应腔。实际应用中，加热反应器后从多孔金属管中通入氨气，通过多孔金属管对氨气进行分布进气，在液态金属的催化作用下，氨气分解为氢气与氮气。工业上氨分解需要高温，本反应器采用液态金属作为催化剂，并通过多孔金属管对氨气进行分布进气，加大反应气与液态金属的接触面积，提高反应效率，降低反应温度。
Absstract of: WO2025101433A1
A syngas generation system includes a molten carbonate fuel cell (MCFC) including a MCFC cathode configured to receive a MCFC cathode input stream including a flue gas stream and a MCFC anode configured to output a MCFC anode exhaust stream including carbon dioxide and steam. The syngas generation system further includes a solid oxide electrolysis cell (SOEC) including an SOEC cathode and an SOEC anode. The SOEC is configured to receive, at the SOEC cathode, an SOEC cathode input stream, the SOEC cathode input stream including at least a portion of the MCFC anode exhaust stream, co-electrolyze carbon dioxide and steam in the SOEC cathode input stream, and output, from the SOEC cathode, an SOEC cathode exhaust stream including carbon monoxide and hydrogen gas.
Absstract of: WO2025100112A1
A production method for hydrogen according to the present invention includes a step for electrolyzing an electrolytic solution that has been heated to a temperature between a lower limit temperature that is at least 100°C and at least the melting point and an upper limit temperature that is less than the boiling point, the electrolytic solution being composed of sodium hydroxide, potassium hydroxide, and water and satisfying expressions (1)-(3). (1) 4≤x≤14. (2) 51≤y≤71. (3) 15≤z≤45.
Absstract of: WO2025099110A1
The invention relates to an electrolysis system comprising an electrochemical stack (1) that has an inlet (8) through which water can be introduced and comprising an outlet (9) through which water or gas can be discharged out of the stack (1). The outlet (9) is connected, via a line (10), to a gas-water separator (11) in which the gas exiting the stack (1) is separated from the exiting water. The gas-water separator (11) is connected to a water tank (20) via a discharge line (13) in order to store the separated water, wherein the water tank (20) is connected to the inlet (8) of the stack (1) via a flushing line (22).
Absstract of: WO2025099646A1
The present disclosure relates generally to integrated processes for producing a H2/CO stream from carbon dioxide and water through electrolysis, in particular using an electrolyzer cell. In particular, the disclosure relates to a process comprising: providing a electrolysis feed stream comprising carbon dioxide from biogas and methane from biogas; electrolyzing carbon dioxide of the electrolysis stream in an electrolyzer cell to form carbon monoxide; electrolyzing water to form hydrogen gas; providing a H2/CO stream comprising at least a portion of the carbon monoxide from the electrolysis of carbon dioxide and at least a portion of the hydrogen gas from the electrolysis of water to a Fischer-Tropsch reactor.
Absstract of: AT527689A1
Kühlsystem für eine Elektrolysevorrichtung zur Erzeugung von Wasserstoff, wobei die Elektrolysevorrichtung zumindest einen Elektrolysestack (1) und zumindest eine Anlagekomponente aufweist, wobei das Kühlsystem zumindest zwei voneinander getrennte Kühlmittelkreisläufe (2, 2‘) aufweist, wobei ein erster Kühlmittelkreislauf (2) nur für die Kühlung des Elektrolysestacks (1) der Elektrolysevorrichtung ausgebildet ist, und ein zweiter Kühlmittelkreislauf (2‘) nur für die Kühlung der Anlagekomponente der Elektrolysevorrichtung vorgesehen ist, und wobei sich die Temperatur des Kühlmittels im ersten Kühlmittelkreislauf (2) von der Temperatur des Kühlmittels im zweiten Kühlmittelkreislauf (2‘) unterscheidet.
Absstract of: WO2025098664A1
The present invention relates to a powdered catalyst material which is particularly suitable for the oxygen generation reaction in the electrolysis of water. The catalyst material comprises an unsupported ruthenium-iridium oxide, wherein the ratio of the proportions by weight of iridium (Ir) to ruthenium (Ru), in relation to the total weight of the unsupported ruthenium-iridium oxide, is not greater than 4.5. The non-supported ruthenium-iridium oxide exhibits a powder conductivity of at least 30 S/cm. The invention also relates to a method for producing such a powdered catalyst material, a composition, a catalyst layer, an electrode and an electrochemical device containing the powdered catalyst material, as well as a method for producing hydrogen using the powdered catalyst material.
Absstract of: DE102023211251A1
Die Erfindung betrifft ein Verfahren zum Betreiben einer Elektrolyseanlage (1), umfassend mindestens einen Stack (2) mit einer Anode (2.1) und einer Kathode (2.2), wobei im Normalbetrieb- der Anode (2.1) über eine Wasserleitung (3) Wasser, insbesondere deionisiertes Wasser, aus einer Wasseraufbereitung (4) zugeführt wird,- aus der Anode (2.1) über eine erste Auslassleitung (5) im Stack (2) produzierter Sauerstoff abgeführt wird und- aus der Kathode (2.2) über mindestens eine weitere Auslassleitung (6, 7) im Stack (2) produzierter Wasserstoff aus der Kathode (2.2) abgeführt wird. Erfindungsgemäß wird bzw. werden im stromlosen Zustand der Elektrolyseanlage (1), insbesondere bei einem Not-Aus, die Anode (2.1) und/oder die Kathode (2.2) gespült, wobei zum Spülen Wasser, insbesondere deionisiertes Wasser, verwendet wird, das in mindestens einem Wasserreservoir (8) vorgehalten und über mindestens eine Spülleitung (9) mit integriertem Ventil (10), das stromlos die Spülleitung (9) mit der Wasserleitung (3) oder einer von zwei kathodenseitigen Auslassleitungen (6, 7) verbindet, der Anode (2.1) und/oder der Kathode (2.2) zugeführt wird.Die Erfindung betrifft ferner eine Elektrolyseanlage (1), die zur Durchführung des Verfahrens geeignet bzw. nach dem Verfahren betreibbar ist.
Absstract of: DE102023211184A1
Elektrolysemodul (1) mit einem Elektrolysestack (2), der eine Vielzahl elektrolytischer Zellen (3) zur elektrochemischen Spaltung von Wasser in Wasserstoff und Sauerstoff, und mit einem Leistungselektronikmodul (5) zur Versorgung des Elektrolysestacks (2) mit einer elektrischen Spannung, wobei das Leistungselektronikmodul (5) und der Elektrolysestack (2) auf einem gemeinsamen Trägerrahmen (10) montiert sind. Im Trägerrahmen (10) ist zumindest ein Hohlrohr (20) ausgebildet zur Durchleitung von Flüssigkeiten, Strom und/oder elektrischen Signalen zur Versorgung des Leistungselektronikmoduls (5) und/oder des Elektrolysestacks (2).
Absstract of: DE102023211334A1
Die Erfindung betrifft ein Verfahren zum Betreiben einer Elektrolyseanlage (1), umfassend mindestens einen eine Vielzahl von Elektrolysezellen aufweisenden Stack (2) mit einer Anode (3) und einer Kathode (4), wobei im Normalbetrieb der Elektrolyseanlage (1) der Anode (3) über einen Wasserkreislauf (5) mit integrierter Pumpe (6) Wasser zugeführt wird, das in dem mindestens einen Stack (2) durch Elektrolyse in Wasserstoff und Sauerstoff aufgespalten wird, und wobei der durch Elektrolyse erzeugte Wasserstoff über einen Kathodenauslass (9) des Stacks (2) und eine hieran angeschlossene Medienleitung (7) abgeführt wird. Erfindungsgemäß wird beim Abschalten der Elektrolyseanlage (1) ein reduzierter Stackstrom aufrechterhalten und mit Hilfe des Stackstroms sowie eines zellseitigen Rekombinationskatalysators (10) wird anodenseitig vorhandener Sauerstoff mit Wasserstoff, der von der Kathodenseite auf die Anodenseite diffundiert, zu Wasser rekombiniert.Die Erfindung betrifft ferner eine Elektrolyseanlage (1), die zur Durchführung des Verfahrens geeignet bzw. nach dem Verfahren betreibbar ist.
Absstract of: KR20250067422A
본 발명의 내구성이 우수한 복합재료 촉매 및 이의 제조방법은 카본블랙(C) 지지체; 및 상기 카본블랙(C) 지지체에 담지되고 표면에 백금쉘(Pt-shell)이 형성된 구리 나노와이어(Cu NW)를 포함하여, 수소 발생 반응의 촉매 활성 및 전기화학적 내구성이 우수한 복합재료 촉매 및 이의 제조방법에 관한 것이다.
Absstract of: JP2025075699A
【課題】優れた電極性能を発揮できる水電解装置用の電極を提供する。【解決手段】ここに開示される電極１は、導電性基材１０と、少なくともＮｉ－Ｆｅ酸化物と金属Ｎｉとを含む触媒層２０とを備えている。この触媒層２０は、導電性基材１０の上に形成された第１層２１と、第１層２１の上に形成され、Ｆｅ元素の含有量が第１層よりも多い第２層２２とを備えている。そして、導電性基材１０から触媒層２０の表面２０ａに向かう元素分析において、第１層２１におけるＦｅ率の増加割合が０．１７％／ｎｍ以上であり、第２層２２におけるＦｅ率の増加割合が０．１７％／ｎｍ未満である。そして、第１層２１の厚みＴ１に対する第２層２２の厚みＴ２の割合が０．９以下である。かかる構成の電極１は、水電解装置用の電極として優れた性能を発揮できる。【選択図】図２
Absstract of: JP2025076322A
【課題】親水性が高くイオン透過性が良好で、気泡の付着によりイオン透過性が阻害されることがなく、ガス遮断性が良好であり、長期の電解においてもその性能が維持でき、更に、取り扱い性に優れ、生産性にも優れたアルカリ水電解用隔膜を提供すること。【解決手段】多孔性支持体と多孔質層とを有するアルカリ水電解用隔膜であり、前記多孔質層は、前記アルカリ水電解用隔膜の少なくとも一方の表面を構成する層であり、前記多孔質層は有機ポリマーおよび親水性無機粒子を含み、前記有機ポリマーの量が、前記親水性無機粒子の総量に対して８質量％以下であることを特徴とする、アルカリ水電解用隔膜とする。【選択図】なし
Absstract of: 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.
Absstract of: US2025154016A1
The present invention relates to a plant for the synthesis of ammonia, wherein the plant includes at least one reformer for converting a hydrocarbon into hydrogen, wherein the plant includes a converter for converting hydrogen and nitrogen into ammonia, wherein the converter is integrated into a recirculation loop, wherein a first carbon dioxide separator is arranged between the reformer and the recirculation loop, wherein the recirculation loop includes an ammonia separator.
Absstract of: US2025153146A1
An ammonia oxidation catalyst and a catalyst system and method using the ammonia oxidation catalyst are provided. The catalyst comprises a metal oxide including titanium and chromium, wherein an energy band gap of the metal oxide measured by UV-Vis DRS is less than 1.4 eV. The catalyst system comprises an ammonia decomposition reactor and a catalyst unit which is located downstream from the ammonia decomposition reactor, and includes the above-described ammonia oxidation catalyst.
Absstract of: US2025158098A1
The present invention relates to a process for the preparation of a membrane (M) containing a sulfonated polyarylenesulfone polymer (sP), the membrane (M) obtained by the inventive process, a fuel cell, an electrodialysis cell and an electrolytic cell comprising the membrane (M), the use of the membrane (M) in an electrolytic cell, an electrodialysis cell or a fuel cell and a process for the preparation of electrical energy and/or hydrogen.
Absstract of: US2025152354A1
A tubular system comprising a catheter is configured to deliver an implant into the heart. The implant comprises a coupling head and a tissue-engaging element that comprises a first electrode. A driver is configured to, via engagement with the coupling head, (i) advance the implant out of a distal end of the tubular system and place the tissue-engaging element in contact with tissue of the heart, and (ii) secure the implant within the heart by fastening the tissue-engaging element to the tissue. A control unit, electrically couplable to (i) the first electrode via the driver, and (ii) a second electrode contacting the subject, is configured, to (i) receive an electrical signal from the electrodes, and (ii) based on the electrical signal, display information indicative of contact between the first electrode and the tissue. Other embodiments are also described.
Nº publicación: US2025155119A1 15/05/2025
Applicant:
TECHNIP ENERGIES FRANCE [FR]
TECHNIP ENERGIES FRANCE
Absstract of: US2025155119A1
Combustion process, comprising: a) a production step of a binary fuel gas consisting of hydrogen and at least of between 5 and 50 vol % of nitrogen, preferably between 15 and 35 vol % nitrogen, and b) a combustion step using as only fuel gas the binary fuel gas at a combustion chamber able to receive as fuel gas the binary fuel gas, wherein the combustion chamber is selected from the group of furnaces and fired process heaters.
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