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630
results.
Updated on
11/06/2025 [06:52:00]
Results 475 to 500 of 630
Absstract of: US2025174689A1
To provide a hydrogen consumption system capable of suppressing the generation of emission sound at the time of separation of a hydrogen tank, which is unlikely to cause defects. Detachable hydrogen tank, a fuel cell using hydrogen from the hydrogen tank as a fuel, connecting the hydrogen tank and the fuel cell, a pipe through which hydrogen flows, the opening and closing valve provided in the pipe, and a control device, when desorption of the hydrogen tank, the control device closes the on-off valve, the pressure in the pipe to calculate the amount of hydrogen consumed by the power generation of the fuel cell until less than 1 MPa, the current demand value of the fuel cell from the amount of hydrogen consumed, and, the current upper limit value of the fuel cell is calculated, when the actual current value is greater than the current upper limit value, the current request value performs control for changing to be equal to or less than the current upper limit value.
Absstract of: US2025174675A1
A membrane electrode assembly includes an anode, a cathode located adjacent to a cathode gas diffusion layer, and a proton exchange membrane (PEM) separating the anode from the cathode. The PEM includes at least one gas recombination layer, at least one an ionomer layer, and reinforcement layers. Each of the reinforcement layers include a pair of opposing surfaces with one of the at least one gas recombination layer or the at least one ionomer layer located adjacent to each of the pair of opposing surfaces.
Absstract of: US2025174691A1
A cooling system for a vehicle fuel cell system, the cooling system comprising a cooling circuit and a pressure equalization device for a coolant of the cooling circuit, wherein the pressure equalization device is manually adjustable to allow manual adjustment of the coolant pressure.
Absstract of: US2025174688A1
An integrated hydrogen-electric engine includes a hydrogen fuel-cell; a hydrogen fuel source; an electric motor assembly disposed in electrical communication with the fuel-cell; an air compressor system configured to be driven by the motor assembly, and a cooling system having a heat exchanger radiator in a duct of the cooling system, and configured to direct an air stream including an air stream from the air compressor through the radiator, wherein an exhaust stream from a cathode side of the fuel-cell is fed via a flow control nozzle into the air stream in the cooling duct downstream of the radiator.
Absstract of: US2025174685A1
To provide a fuel cell system capable of improving sub-zero startability of the fuel cell system. A fuel cell system, wherein the fuel cell system comprises a fuel cell stack, a cooling water pump, a temperature sensor, and a control device; wherein the fuel cell stack comprises stacked unit cells; wherein the cooling water pump is configured to circulate cooling water for cooling the fuel cell stack; wherein the temperature sensor is configured to measure an outside air temperature when starting the fuel cell system; wherein the control device is configured to determine a degree of deterioration of the unit cells; and wherein, when starting the fuel cell system below freezing point, the control device is configured to determine a time for stopping the cooling water pump according to a degree of deterioration of the unit cells.
Absstract of: US2025174687A1
A fuel cell system includes a fuel cell stack including an anode configured to be supplied with hydrogen and a cathode configured to be supplied with air, a hydrogen supply line connected to an inlet of the anode and configured to supply the hydrogen to the fuel cell stack, and a bypass line including a first end portion connected to the hydrogen supply line and a second end portion connected to an outlet of the anode, obtaining an advantageous effect of ensuring performance and operational efficiency and improving stability and reliability.
Absstract of: US2025174683A1
A cooling system for a fuel-cell system onboard a vehicle such as an aircraft in one embodiment employs the latent heat of evaporation of a two-phase coolant to reduce mass and parasitic power requirements of the cooling system. In another embodiment the cooling system has a primary ambient air heat exchanger coolant loop for cooling the fuelcell system, and a secondary coolant loop comprising a fluid circuit configured to circulate a coolant in thermal contact with a phase-change material (PCM) in thermal contact with the fuel-cell to absorb heat from the fuel-cell. The secondary coolant loop includes a heat pump for cooling the PCM.
Absstract of: AU2023381476A1
A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Absstract of: JP2025082823A
【課題】水素などの燃料ガスの漏れ検出のキャリブレーションをより精度よく実行する。【解決手段】燃料ガス漏れ検出装置は、燃料ガスの製造、輸送及び消費の少なくとも１つを行う燃料ガス処理装置の動作に関する動作情報に基づいて、燃料ガス処理装置が燃料ガスを製造、輸送または消費する動作を停止していることを推定する推定部と、燃料ガス処理装置に関係する環境に設けられた燃料ガスの濃度を検出する濃度センサを介して環境における燃料ガスの濃度を検出する濃度検出部と、燃料ガスの前記濃度に基づいて燃料ガス処理装置における燃料ガスの漏れを検出する漏れ検出部と、推定部が燃料ガス処理装置が燃料ガスを製造、輸送または消費する動作を停止していると推定している期間に濃度検出部により検出される燃料ガスの濃度に基づいて、濃度検出部による燃料ガスの濃度をキャリブレーションするキャリブレーション部とを備える。【選択図】図１
Absstract of: WO2025105224A1
The present invention provides: a carbon catalyst which has both high catalytic activity and high durability; an electrode; and a battery. The carbon catalyst has an L/La ratio of 18 or more, the L/La ratio being the ratio of the average carbon mesh surface size L, which is obtained by programmed-temperature desorption analysis in which the temperature can be increased to 1600°C, to the crystallite size La, which is obtained from a diffraction peak near a diffraction angle (2θ) of 43° in an X-ray diffraction pattern obtained by means of powder X-ray diffraction using a CuKα ray, and a ratio of the halogen atom concentration (atom%) to the carbon atom concentration (atom%) of 0.0005 or more as obtained by X-ray photoelectron spectroscopy.
Absstract of: JP2025082326A
【課題】燃料電池車両において、構成の複雑化及びコスト増を抑制しつつ、水素タンク内の水素ガスの温度を適正化する。【解決手段】燃料電池車両は、シャシフレーム２２よりも車幅方向Ｄ２の外方に設置された水素タンク３と、水素タンク３よりも車幅方向Ｄ２の外方に設置されたラジエータ４と、ラジエータ４に沿って設置されたファン７とを備えている。ファン７は、ラジエータ４から水素タンク３へ向かう第一方向Ｆ１及び水素タンク３からラジエータ４へ向かう第二方向Ｆ２の双方に送風可能であり、ラジエータ４に空気を誘導する。燃料電池車両は、水素タンク３内の水素ガスの昇温及び降温の要否を判定する判定部と、判定部で昇温が必要であると判定された場合にはファン７に第一方向Ｆ１へ送風させ、判定部で降温が必要であると判定された場合にはファン７に第二方向Ｆ２へ送風させる制御部とを更に備えている。【選択図】図４
Absstract of: JP2025082320A
【課題】セルの抵抗損失の増加を低減できるセルの使用方法、電解システム及びスタックを提供する。【解決手段】電解システムは、燃料極と、空気極と、燃料極と空気極とを隔離する電解質と、を含む固体電解質形のセルと、燃料極と空気極との間に電圧を印加する電源と、セルを加熱するヒータと、燃料極に水蒸気を含む燃料ガスを供給する供給装置と、ヒータ、電源および供給装置のうち少なくとも１つを制御する制御装置と、を備え、制御装置は、燃料ガスに含まれる水蒸気のうち電気分解に使われた水蒸気の利用率が６０％以上となるようにヒータ、電源および供給装置のうち少なくとも１つを制御する。【選択図】図１
Absstract of: US2025174684A1
A membrane electrode assembly humidifying method and a computer readable storage medium are disclosed. The membrane electrode assembly humidifying method includes (i) heating a membrane electrode assembly to a temperature greater than or equal to that of water vapor, (ii) directing the water vapor to both sides of the membrane electrode assembly to pass the water vapor through an anodic gas diffusion layer and a cathodic gas diffusion layer to reach a catalyst-coated membrane, and (iii) allowing a coolant to flow through both sides of the membrane electrode assembly to condense the water vapor reaching the catalyst-coated membrane into liquid water. The membrane electrode assembly humidifying method achieves efficient wetting of the membrane electrode assembly alone without subsequently combining with discharge activation as commonly used in the art, thereby shortening wetting time and saving wetting costs.
Absstract of: WO2025020749A1
A bipolar plate air-tightness test device (100), comprising a fixing assembly (1) and a liquid placement plate (2), wherein the fixing assembly (1) comprises a bottom plate (11) and a cover plate (12); the bottom plate (11) and the cover plate (12) are arranged opposite each other, and a test space capable of accommodating a bipolar plate is provided between the bottom plate (11) and the cover plate (12); the bottom plate (1) or the cover plate (12) is provided with an air inlet (110) for air to enter the test space; the liquid placement plate (2) is arranged in the test space and is configured to be stacked on the plate surface of the bipolar plate facing away from the air inlet (110); the liquid placement plate (2) is provided with a plurality of liquid placement slots (20) capable of containing a liquid; and the liquid placement slots (20) penetrate the plate surfaces of the liquid placement plate (2) opposite each other.
Absstract of: WO2025011260A1
Provided in the present disclosure are a bipolar plate for a flow battery, and a flow battery. The flow battery comprises a first carbon felt, a second carbon felt and a bipolar plate, wherein the bipolar plate is located between the first carbon felt and the second carbon felt; grooves are provided on the surfaces of the bipolar plate that are in contact with the first carbon felt and the second carbon felt, and the grooves are filled with a binder; and fibers extending outwards from the grooves are provided in the grooves. In the technical solution provided in the present disclosure, a fiber layer is formed on a surface of an obtained flocked bipolar plate. The fiber layer, serving as a contact surface with a carbon felt, can significantly increase the friction force between the carbon felt and the bipolar plate, such that the carbon felt does not slide or shift after 5000 charge-discharge cycles in a stack. Moreover, the contact resistance between the carbon felt and the bipolar plate can also be reduced, the reduction rate of which is 30% or above, thereby increasing the energy efficiency of the stack by 3% to 5%.
Absstract of: WO2024251016A1
A capacity recovery method for a vanadium redox flow battery, comprising: S100: calibrating comprehensive valences of vanadium ions in a battery electrolyte storage tank after the discharge capacity is attenuated, and charging a battery; S200, adding a reducing agent into a battery positive-electrode electrolyte storage tank; S300, performing self-circulation on the battery positive-electrode electrolyte storage tank to complete a chemical reduction reaction; S400, calibrating again the comprehensive valences of the vanadium ions in the battery electrolyte storage tank, and measuring the residual amount of the reducing agent; and S500, supplementing the reducing agent into the battery positive-electrode electrolyte storage tank, and repeating steps S300-S400 until the average value of the comprehensive valences of the vanadium ions in the battery electrolyte storage tank recovers to 3.5. By using a liquid reducing agent, sampling is simple, and the reaction rate of the reducing agent and a positive electrode electrolyte containing more pentavalent vanadium is high; and the valence reduction based reaction degree and the residual amount of the reducing agent are strictly monitored, thereby reducing the risk of affecting the stack performance due to the residual reducing agent.
Absstract of: WO2025081857A1
The present disclosure provides an all-vanadium flow battery system. A positive electrode electrolyte is stored in a positive electrode electrolyte storage tank of the system, and a vanadium positive electrode active substance is added into the positive electrode electrolyte; a negative electrode electrolyte is stored in a negative electrode electrolyte storage tank, and a vanadium negative electrode active substance is added into the negative electrode electrolyte; the positive electrode electrolyte storage tank comprises a flexible conductive material loaded with a Prussian blue analogue; the proportion of an oxygen-containing functional group in the flexible conductive material is 30%-50%; the content of the Prussian blue analogue in the positive electrode electrolyte storage tank ranges from 4 g/L to 480 g/L. By adopting an electrochemical deposition method, Prussian blue analogue synthesis is carried out on the surface of the flexible conductive material in the present disclosure, and the synthesis efficiency is high; activated carbon felt or carbon cloth can deposit more Prussian blue analogues, improve the energy storage upper limit, and reduce the vanadium ion concentration in an electrolyte, thereby improving the electrolyte stability.
Absstract of: US2025171663A1
An object of the present invention is to provide an adhesive composition having an excellent adhesive force even in the presence of hot water in an assembly in which at least one of two or more members to be bonded to each other via the adhesive composition is a low-polarity metal member, and an adhesion method. The present invention relates to an adhesive composition and an adhesion method for bonding a metal member. The adhesive composition contains a polyolefin (A) component having an acidic group and/or an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g. The metal member has a ratio of a dipole term in surface free energy of 0.01% to 5.0%.
Absstract of: KR20250075896A
연료전지 분리판의 기밀 검사 장치가 개시된다. 일 실시예에 따른 기밀 검사 장치는, 상부에 연료전지용 분리판이 로딩되고, 상기 분리판의 기밀 검사를 위한 검사 가스가 유입되는 내부 유로를 포함하는 하부 지그; 상기 하부 지그의 하부에 위치하고, 검사 유로가 삽입되어 상기 내부 유로로 연결되는 유로 입출구부를 포함하는 유로 플레이트; 상기 검사 유로에 연결되고, 상기 검사 가스를 개폐하는 밸브; 및 상기 밸브로부터 인접하여 배치되고, 상기 검사 유로에 연결되어 유압을 측정하는 유량계를 포함한다.
Absstract of: KR20250075895A
연료전지 분리판의 기밀 검사 장치가 개시된다. 일 실시예에 따른 기밀 검사 장치는, 연료전지용 분리판을 가압하기 위하여 상하 이동하는 프레스 이동축을 포함하는 프레스; 상기 프레스의 하부에 위치하는 상부 지그; 상기 프레스 및 상기 상부 지그 사이에 위치하고, 상기 상부 지그가 상기 분리판을 균등 가압하도록 탄성력을 가지는 탄성 부재; 상부에 상기 분리판이 로딩되고, 상기 분리판의 기밀검사를 위한 검사 가스가 유입되는 검사 유로를 포함하는 하부 지그; 및 상기 하부 지그의 하부에 위치하고, 상기 검사 유로가 연장되는 유로 입출구부를 포함한다.
Absstract of: KR20250075894A
연료전지 분리판의 표면 검사 장치가 개시된다. 일 실시예에 따른 표면 검사 장치는, 연료전지용 금속 분리판의 상부에 위치시켜 상기 금속 분리판의 평탄도를 유지하게 하는 플레이트; 상기 금속 분리판이 로딩되고, 복수의 홈을 포함하는 스테이지; 및 상기 플레이트를 흡착하는 복수의 흡착판, 및 상기 복수의 홈에 삽입되는 복수의 걸이를 포함하고, 상기 플레이트를 이송하는 트랜스 핸드를 포함한다.
Absstract of: KR20230093777A
The present invention relates to impregnated activated carbon for a fuel cell chemical filter and a manufacturing method thereof, and more specifically, to impregnated activated carbon for a fuel cell chemical filter and a manufacturing method thereof. According to the present invention, by impregnating various metal salts on the surface of activated carbon and then reducing the same so as to impart chemical adsorption ability to existing activated carbon, the impregnated activated carbon has excellent activated carbon compared to the existing activated carbon.
Absstract of: KR20250076271A
본 발명은 발전기의 상태 데이터를 이용한 고장 예측 시스템 및 방법이 개시된다. 본 발명은 연료전지 모듈의 소정 시간 이내의 작동 데이터를 분석 및 학습하고 그 결과를 바탕으로 사전에 발전기의 고장 발생 여부를 예측할 수 있도록 함으로써, 사용자가 미리 대비하여 연료전지 모듈의 정비나 점검을 계획할 수 있는 효과가 있다.
Absstract of: KR20250076306A
본 발명에 따른 연료전지 가스켓 높이 측정장치는 상부 프레임과, 상기 상부 프레임에 이격하여 배치된 하부 프레임, 상기 상부 프레임과 상기 하부 프레인 사이에 연장된 가이드를 포함하는 지지 프레임; 상기 가이드를 따라 승강가능하게 장착되는 측정 지그; 및 상기 측정지그를 하방으로 이동시키는 액추에이터를 포함하고, 상기 측정지그는 상기 가이드를 따라 승강가능하게 배치되고 상기 액추에이터에 의해 승강하는 상부 플레이트; 상기 상부 플레이트에 하부에 탄성 지지되는 하부 플레이트; 상기 상부 플레이트에 고정되고 상기 상부 플레이트를 관통하여 하부로 연장된 복수의 접촉식 변위센서; 상기 하부 플레이트 상에 상기 변위센서의 하단과 접촉가능하게 배치되는 측정 중량부를 포함하고, 상기 측정 중량부에 의해 상기 하부 프레임 상의 가스켓 안착대에 놓인 가스켓을 설정되는 힘을 누르도록 구성된다.
Nº publicación: KR20250076639A 29/05/2025
Applicant:
존슨맛쎄이퍼블릭리미티드컴파니
Absstract of: AU2023392588A1
A method of recycling fluorinated polymer from a waste membrane, the fluorinated polymer comprising a fluorinated polymer backbone chain and a plurality of groups represented by formula - SO
BOPI
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