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IMPROVED ADVANCED HYDROGEN FUEL CELL

Resumen de: WO2025156003A1

An improved advanced hydrogen fuel cell system is described in which the anode cell includes an acidic electrolyte and the cathode cell includes an alkaline electrolyte, operation of improved advanced hydrogen fuel cell system yields an increase in the generation of fuel cell voltage in comparison to known hydrogen fuel cell. In addition, the improved advanced hydrogen fuel cell system is compatible with water electrolysis processes, in particular unipolar electrolysis of water that further increases the energy output of the system and efficiency.

SHIP-TYPE LiDAR BUOY FOR OCEAN MEASUREMENT HAVING HYBRID POWER SUPPLY SYSTEM

Resumen de: KR20250115509A

본 발명은, 선체(110), 풍황을 계측하는 라이다센서(121)와, 라이다센서(121)에 의해 계측된 해당 해상의 풍황정보를 처리하는 정보처리모듈(122)을 구비하는 센서부(120), 통신부(130), 풍력발전기(141)와 태양광 패널(142)과 연축전지(143)로 구성된 제1발전부(140), 해수이차전지(153)로 구성된 제2발전부(150), 해수이차전지(153)로부터 생성된 전력을 저장하는 다수의 배터리팩(161)을 포함하는 BMS 전원제어부(160), 제1충방전부(170), 제2충방전부(180), 및 제1충방전부(170) 또는 제2충방전부(180)를 통해, 상대적으로 신속한 응답이 요구되는 센서부(120) 및 통신부(130)의 전력으로 연축전지(143)에 의한 전력을 인가하고, BMS 전원제어부(160)를 통해, 상대적으로 장기간 저장이 요구되는 전력으로 해수이차전지(153)에 의해 생성된 전력을 사용하도록 이중화하는, 주제어부를 포함하여, 전력저장 및 전력공급에 대한 이중화를 구현하는, 하이브리드 전원공급시스템을 구비한 해양관측용 선형타입 라이다 부이를 개시한다.

AIR ELECTRODE STRUCTURE FOR SOLID OXIDE CELL AND MANUFACTURING METHOD THEREOF

Resumen de: KR20250115817A

본 발명은 고체산화물 전지용 공기극 구조 및 이의 제조 방법에 관한 것으로서, 구체적으로 전해질 상에 스캐폴드를 형성하고, 스캐폴드 상에 공기극촉매층을 형성하여 공기극 구조를 제조하고, 스캐폴드는 GDC로 구성될 수 있고, 공기극촉매층은 LSC로 구성될 수 있으며, 스캐폴드의 닫힌 기공에 공기극촉매가 증착되지 않아 산소 기체 발생으로 인한 공기극 박리를 방지하고, 고체산화물 전지의 안정성을 향상시키는 기술에 관한 것이다.

Separator assembly for fuel cells and gasket structure applied to the same

Resumen de: KR20250115561A

본 발명의 실시예에 따른 연료전지용 분리판에 적용되는 가스켓 구조를 제공한다. 반응면과 냉각면을 가지는 분리판에 적용되는 가스켓 구조에 있어서, 상기 분리판 상에 배치되는 상기 가스켓 구조는 반응기체가 유입 또는 배출되는 복수의 매니폴드들에서 멀어지도록 연장되는 복수의 제1 연장부들을 포함하고, 상기 제1 연장부들이 연속되는 제1 방향을 기준으로 상기 제1 연장부들 각각은 상기 매니폴드와 인접한 일단 또는 상기 일단과 대향하는 타단보다 너비가 큰 제1 확장부를 포함한다.

유체 분리기 및 액체 분리기를 갖는 연료 전지 시스템

Resumen de: US2025177898A1

A liquid separator for separating a liquid from a fluid flow includes a housing, a flow-conducting region arranged inside the housing and including an inner tube and an outer tube adjoining the inner tube, the inner tube being arranged downstream of the outer tube in a flow direction, a fluid conduit connected to the flow-conducting region and having a first diameter, the fluid conduit including a swirl generator for generating a swirl of the fluid flow, a separation region arranged at a radial outer side of the inner tube and the outer tube, a fluid outlet connected to the separation region and extending at a slant to an axial direction, and a flow-calmed region arranged between the separation region and the fluid outlet and including a flow-calming element for calming the fluid flow.

Catalyst Complex For Fuel Cell And Method For Manufacturing The Same

Resumen de: KR20210001132A

The present invention relates to a catalyst complex for a fuel cell, comprising: a support including carbon (C); platinum (Pt) supported on the support; and an iridium (Ir) compound supported on the support, wherein the iridium compound includes at least one of iridium oxide satisfying chemical formula 1, IrO_x and iridium-transition metal oxide satisfying chemical formula 2, IrMO_x (M is a transition metal and may be selected from Fe, Co, Cu, and Ni), and x is 1 to 2.

Solid oxide fuel cell manufactured using the co-sputtering method

Resumen de: KR20250115833A

본 발명의 일 실시예는 공동 스퍼터링법을 이용하여 제조된 고체산화물 연료전지를 제공한다. 본 발명의 일 실시 예에 따른 공동 스퍼터링 공정을 이용한 고체산화물 연료전지는 상용화 전해질층 위에 공동 스퍼터링을 이용하여 이트리아 안정화 지르코니아(Yttria-stabilized zirconia)를 포함하는 기능층을 형성하여, 인위적으로 전해질층의 결정립 크기를 감소시키고, 산소 환원 반응의 표면적이 증가하도록 하여 연료전지 환원극과 전해질 사이에서의 삼상 경계(triple phase boundary, TPB)를 증대함으로써 전류밀도값의 향상이 가능하도록 할 수 있다.

燃料電池システム

Resumen de: US2025239635A1

A fuel cell system may include a fuel cell stack and a flow path configured to supply gas containing oxygen to the fuel cell stack, in which the flow path comprises a first component including a first outlet for the gas and a second component located downstream of the first component and including an inlet integrated with the first outlet without a piping between the inlet of the second component and the first outlet. The fuel cell system may further include a branch flow path configured to branch the gas from the flow path, in which the first component further comprises a second outlet for the gas, and the branch flow path may include a third component including an inlet integrated with the second outlet without a piping between the inlet of the third component and the second outlet.

燃料電池スタック

Resumen de: JP2025111902A

【課題】排水管がエンドプレートの保持構造から抜けることを抑制することができる燃料電池スタックを提供する。【解決手段】燃料電池スタックであって、前記燃料電池スタックは、セル積層体と、前記セル積層体の端部に配置されるエンドプレートと、前記セル積層体及び前記エンドプレートを連通するマニホールドと、前記マニホールドに挿入される排水管と、を備え、前記エンドプレートの前記マニホールドには、前記排水管の端部を保持する保持構造が設けられ、前記保持構造は、前記排水管の端部を保持する保持穴と、前記保持穴から前記エンドプレートの前記マニホールドの内側に向かって傾斜する傾斜面と、を有し、前記傾斜面は、前記排水管の中央部が前記排水管の端部よりも前記セル積層体の内側に寄るように傾斜し、前記排水管は、前記傾斜面に沿って配置されている、燃料電池スタック。【選択図】図４

BORONIC ACID-FUNCTIONALIZED ANION EXCHANGE POLYMERS

Resumen de: WO2025160347A1

Boronic acid-functionalized anion exchange polymers have a main chain and tetra-coordinated boronic acid groups in side chains, side groups, or crosslinks. Tetra-coordinated boronic acid groups have a tetra-coordinated boron atom covalently bonded to two or three hydroxyl groups and to the polymer main chain, a side chain, or a side group. The tetra-coordinated boronic acid groups serve as hydroxide transport agents by a process known as reconstruction. Boronic acid-functionalized anion exchange polymers may be used as anion exchange membranes.

ENERGY PRODUCTION METHOD BY DISSOCIATION REACTION OF MOLECULAR HYDROGEN, ANTI-AGING METHOD, FUEL CELL, AND INTERCELLULAR INTERACTION PROMOTER

Resumen de: WO2025159211A1

The present invention provides a method for extracting energy on the basis of the dissociation mechanism of molecular hydrogen generated by the hydrogenase activity of mitochondria, wherein a superoxide and molecular hydrogen overcome an energy barrier and undergo a propagation reaction, and dissociation energy is generated from the dissociation of molecular hydrogen into electrons and protons, or electrical energy is produced from moving electrons and protons.

ELECTRODE CATALYST

Resumen de: WO2025158822A1

An electrode catalyst according to the present disclosure comprises: a mesoporous material; and catalyst metal particles that are supported at least within the interior of the mesoporous material and contain platinum and a metal different from the platinum. The mesoporous material has mesopores with a mode radius of 1-25 nm, and a pore surface area of 1.0-3.0 cm3/g or less. The catalyst metal is represented by a chemical formula PtxCo1-yNiy, where x is in the range of 1-3 and y is in the range of 0.20-0.47. The catalyst metal particles include an L10 phase.

PRE-ACTIVATION METHOD AND APPARATUS FOR FUEL CELL SYSTEM

Resumen de: WO2025156724A1

A pre-activation method and apparatus for a fuel cell system. The pre-activation method for a fuel cell system comprises the following steps: acquiring the shutdown duration of a fuel cell system; if the shutdown duration is greater than a preset duration, then, on the basis of the current ambient humidity and a current dust value of a fuel cell system inlet, determining a current failure state of the fuel cell system; on the basis of the current failure state, performing pre-activation treatment on the fuel cell system, and, after the pre-activation treatment is completed, determining whether a stack state of the fuel cell system is a single cell-low voltage state; and, if the stack state is the single cell-low voltage state, then, on the basis of a first starvation activation policy, performing starvation activation treatment on a cathode of the fuel cell system, and, after the starvation activation treatment is completed, controlling the fuel cell system to operate. Thus, by means of analyzing the state of the fuel cell system and using different recovery activation treatment modes for the fuel cell system on the basis of different states, a stack is rapidly and efficiently activated, so that the stack achieves optimal performance output.

FUEL CELL AND OPERATION METHOD OF SAME

Resumen de: WO2025159132A1

A fuel cell 100 according to the present disclosure comprises: an anode separator 20; a cathode separator 30; a membrane electrode assembly 10 that includes an anode 13, a cathode 16, and an electrolyte membrane 12 and that is disposed between the anode separator 20 and the cathode separator 30; a fuel gas flow path 40 that is provided between the anode 13 and the anode separator 20; and an oxidant gas flow path 50 that is provided between the cathode 16 and the cathode separator 30. The difference between the temperature of the oxidant gas and the dew point of the oxidant gas is 2°C or less at an outlet 50b of the oxidant gas flow path 50.

ELECTROCHEMICAL CELL ASSEMBLY

Resumen de: WO2025157402A1

The invention relates to an electrochemical cell assembly (10) comprising a stack (16) of cell units (18), wherein in said stack there is provided a fluid inlet manifold (28) and a fluid outlet manifold (30), each cell unit has a fluid inlet port (38) being in communication with the fluid inlet manifold and a fluid outlet port (40) being in communication with the fluid outlet manifold, each cell unit defines an inner fluid flow path (36) for fluid to flow from the fluid inlet port to the fluid outlet port, each cell unit has a fluid permeability along its fluid flow path, an average fluid permeability of the cell units in an upper half (52) of the stack is higher than an average fluid permeability of the cell units in a lower half (54) of the stack.

Brennstoffzellenvorrichtung

Resumen de: DE102024102498A1

Zur Verbesserung einer Brennstoffzellenvorrichtung umfassend zumindest eine Brennstoffzelleneinheit und ein Leitungssystem, wobei das Leitungssystem zumindest eine Leitungseinrichtung für ein Brennstoffmedium und/oder eine Leitungseinrichtung für ein Oxidationsmedium umfasst und/oder insbesondere eine Leitungseinrichtung für ein Temperiermedium und/oder insbesondere eine Leitungseinrichtung für eine Lüftung umfasst, wird vorgeschlagen, dass zumindest zwei Bauteile der Brennstoffzellenvorrichtung durch zumindest eine insbesondere geklebte Nut/Feder-Verbindung miteinander verbunden sind und/oder dass zumindest in einem Leitungsabschnitt des Leitungssystems eine Strahlpumpe angeordnet ist, wobei die Strahlpumpe aus zumindest zwei Bauteilen ausgebildet ist.

METHOD OF PROTECTING A WELD ON AN ELECTROCHEMICAL CELL

Resumen de: WO2025157585A1

The invention relates to welding an electrochemical cell assembly. The method comprises providing a first and a second metal sheet to be welded together; applying a controlled corrosion treatment to an area to be situated between the first and second metal sheets; and welding the first and second metal sheets together at a location offset from the area in which the controlled corrosion treatment was applied.

METHOD FOR DETERMINING A DEGREE OF FUEL UTILISATION OF A FUEL CELL UNIT IN A FUEL CELL DEVICE, IN PARTICULAR AN SOFC FUEL CELL DEVICE

Resumen de: WO2025157572A1

The invention relates to a method for determining a degree of fuel utilisation of a fuel cell unit in a fuel cell device (10a; 10b; 10c), in particular an SOFC fuel cell device, which has at least one fuel cell unit (12a; 12b; 12c), in particular a fuel cell stack, at least one fan unit (14a; 14b; 14c), and at least one open-loop and closed-loop control unit (16a; 16b; 16c), having an operating step (18a; 18b; 18c) in which the fuel cell unit (12a; 12b; 12c) obtains electrical energy from a gaseous medium, wherein the fan unit (14a; 14b; 14c) regulates and drives a recirculation circuit (20a; 20b; 20c) in the operating step (18a; 18b; 18c), and wherein operation of the fuel cell device (10a; 10b; 10c) is regulated by means of the open-loop and closed-loop control unit (16a; 16b; 16c) in the operating step (18a; 18b; 18c). According to the invention, in at least one comparison step (24a; 24b; 24c) a degree of fuel utilisation of the fuel cell unit (12a; 12b; 12c) is estimated by means of an empirical estimation.

FUEL CELL STACK

Resumen de: US2025246646A1

A fuel cell stack includes stacked single cells. Each single cell includes a power generating unit, a frame including an accommodating hole, and two separators. Each separator has a surface facing the power generating unit. The surface has a gas passage. The gas passage includes first extensions and a second extension. A partition rib is provided between two of the first extensions connected to each other by the second extension. The partition rib includes a base that is in contact with a corresponding one of the gas diffusion layers of the power generating unit, and a protrusion that protrudes from the base into the corresponding gas diffusion layer. The protrusion has an opposing end opposed to an inner surface of the accommodating hole. A pressure loss increasing portion is provided at a boundary between the opposing end and the inner surface of the accommodating hole.

ELECTROCHEMICAL SYSTEMS WITH IONICALLY CONDUCTIVE AND ELECTRONICALLY INSULATING SEPARATOR

Resumen de: US2025246757A1

Provided are separator systems for electrochemical systems providing electronic, mechanical and chemical properties useful for a variety of applications including electrochemical storage and conversion. Embodiments provide structural, physical and electrostatic attributes useful for managing and controlling dendrite formation and for improving the cycle life and rate capability of electrochemical cells including silicon anode based batteries, air cathode based batteries, redox flow batteries, solid electrolyte based systems, fuel cells, flow batteries and semisolid batteries. Disclosed separators include multilayer, porous geometries supporting excellent ion transport properties, providing a barrier to prevent dendrite initiated mechanical failure, shorting or thermal runaway, or providing improved electrode conductivity and improved electric field uniformity. Disclosed separators include composite solid electrolytes with supporting mesh or fiber systems providing solid electrolyte hardness and safety with supporting mesh or fiber toughness and long life required for thin solid electrolytes without fabrication pinholes or operationally created cracks.

STABLE ION EXCHANGE MEMBRANES WITH RADICAL SAVENGER

Resumen de: US2025246660A1

Described is a long-lasting, heavy-duty ion exchange membrane comprising a fluorinated ionomer, a CexM1-xOy nanoparticle, and optional additives; where x is 0.2-0.9, y is 1-3, and M is Zr, Gd, Pr, Eu, Nd, La, Hf, Tb, Pd, Pt, or Ni. Optional additives may include reinforcement layers, which may be embedded in the ion exchange membrane. Such membranes are formed from ion exchange polymer dispersions and are useful to form membrane assemblies for fuel cell or water electrolysis applications. The present membranes and membrane assemblies have improved chemical stability and durability in such applications.

SINGLE CELL FOR FUEL CELL

Resumen de: US2025246645A1

A single cell for a fuel cell includes a power generating unit and two separators. Each separator includes a surface that faces the power generating unit, and includes gas passages. Each gas passage includes first extensions and a second extension. The second extension connects a downstream end of one of two adjacent first extensions and an upstream end of the other first extension to each other. A first rib is provided between adjacent ones of the first extensions. A second rib is provided on each first rib. The second rib of one of the two separators and the second rib of the other separator extend so as to intersect with each other when viewed in the direction in which the separators sandwich the power generating unit.

POSITIONING DEVICE

Resumen de: US2025246662A1

Provided is a positioning device that is capable of enhancing energy efficiency by enhancing the work efficiency in the positioning and holding of fuel cells when stacking the fuel cells. This positioning device for a stacking device 1 for fuel cells FC to form a fuel battery includes: a bar holder 60 for stacking the fuel cells FC; and positioning bars 71 that are detachably held by the bar holder 60 and hold the fuel cells FC to be stacked, wherein the bar holder 60 is configured to be dividable.

METHOD FOR RECOVERING CATALYST MATERIAL FROM A WATER ELECTROLYSIS MEMBRANE ELECTRODE ASSEMBLY AND RECYCLING SYSTEM FOR CARRYING OUT THE METHOD

Resumen de: WO2025157447A1

A method is specified for recovering catalyst material (5, 7) from a membrane electrode assembly (1), wherein a membrane electrode assembly (1) is provided. The carrier material of the membrane electrode assembly (1) comprises a membrane (3), in particular a polymer membrane, on which an electrode layer (9) made of an electrode material containing a metallic catalyst material (5, 7) is applied. Electrode material is abrasively removed from the membrane (3) and separated to give a separation material (31), and metallic catalyst material (5, 7) is recovered from the separation material (31). Further specified is a recycling system (35) configured for carrying out the method.

SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

Nº publicación: US2025246658A1 31/07/2025

Solicitante:

VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION

Resumen de: US2025246658A1

A fuel cell system for a vehicle, has a fuel cell unit that includes a fuel cell stack and a coolant system. A control system is configured to preemptively determine that a fuel cell system power ramp-down event will occur when a decrease in power of the fuel cell system would be required as the vehicle is approaching a portion of a route associated with a low power demand from the fuel cell system. The fuel cell system is controlled by reducing a target inlet coolant temperature, and by applying a first response strategy that involves continuously reducing a flow rate of the coolant flow, and/or a second response strategy that may involve continuously and gradually increasing the flow rate of the coolant flow and then, in some situations, continuously and gradually decreasing the flow rate of the coolant flow.