Absstract of: WO2025050122A1
A composition of matter useful as a posolyte or negolyte in a redox flow battery, including a compound comprising a first electroactive moiety and one or more solubilizing moieties each connected to the first electroactive moiety directly or via linker moieties, wherein the linker moieties, when present each comprise carbon and could contain at least one of hydrogen, oxygen, nitrogen, sulfur, or silicon.
Absstract of: EP4773258A1
0001 A bioelectrode includes: a complex compound including a metal and a ligand; a mediator having an anionic functional group; and a conductive material.
Absstract of: WO2025046209A1
A method of refining/recycling iridium, the method comprising: adding ammonium chloride to an iridium containing refining/recycling solution comprising iridium dissolved in hydrochloric acid in a first precipitation vessel to precipitate ammonium hexachloroiridate; filtering the precipitated ammonium hexachloroiridate; washing the filtered ammonium hexachloroiridate with a wash mixture of ammonium chloride and water; and recycling the wash mixture of ammonium chloride and water back into a second precipitation vessel, which may be the same vessel as the first precipitation vessel or a different precipitation vessel, to precipitate any iridium dissolved in the wash mixture during washing of the ammonia hexachloroiridate.
Absstract of: US2025075036A1
0000 The present disclosure features a poly(bis-arylimidazolium) polymer and synthesis thereof, having a controlled molecular weight and specified falling ball viscosity. The disclosed poly(bis-arylimidazolium) polymers yield desirable mechanical properties when incorporated into an ionic membrane. Ionic membranes comprising the disclosed poly(bis-arylimidazolium) polymers can be incorporated into an electrochemical device such as a fuel cell, an electrolyzer, a redox flow battery, or another electrochemical device.
Absstract of: US2025075298A1
Aspects of the present disclosure generally relate to processes for forming multimetallic alloys and carbon-supported multimetallic alloys. In an aspect, a process for forming carbon-supported PtNiCoRu nanoparticles is provided. The process includes forming a mixture comprising a platinum (Pt) metal source, a nickel (Ni) metal source, a cobalt (Co) metal source, a ruthenium (Ru) metal source, a carbon source, and a solvent. The process further includes heating the mixture at a temperature that is from about 80° C. to about 250° C. to form carbon-supported nanoparticles, the carbon-supported nanoparticles including a carbon support, and PtNiCoRu single phase alloy nanoparticles chemically bonded to the carbon support. Processes for forming carbon-supported PtNiCoRuFe nanoparticles are also provided. Processes for forming PtNiCoRu and PtNiCoRuFe alloy nanoparticles are also provided.
Absstract of: EP4516957A1
In accordance with a first aspect of the invention there is provided a method for coating a bipolar plate, comprising the steps of: - providing a bipolar plate wherein at least the outside layer of the bipolar plate comprises metallic titanium; - subjecting the bipolar plate to laser nitridation, thereby forming a coating of titanium nitride on the outer surface of the bipolar plate.The inventors have found that laser nitridation of titanium bipolar plates results in bipolar plates comprising a highly stable TiN coating with good conformality, chemical stability, and/or high electrical conductivity. Furthermore, applying a TiN coating by laser nitridation can be integrated well in the production of the bipolar plate, for instance in a roll-to-plate process that involves laser welding, and is efficient and simple compared to deposition methods known in the art. The TiN coating on the bipolar plate can for instance be used directly in an electrochemical reactor, or can serve as a substrate for further coatings.
Absstract of: EP4517886A1
The present invention relates to carbonaceous particulate materials with optimized Braun-Emmett-Teller specific surface areas (BET SSAs), pore size distribution, crystallinity, and aggregate structure possessing advantageous properties, such as, e.g., high corrosion resistance, and improved mass transport characteristics, which renders them particularly useful as support material for catalysts in fuel cells or electrolyzers.
Absstract of: WO2025045389A1
A power generating system comprising a gas turbine (100), a fuel cell (500), and a gas turbine auxiliary system for NH3 conditioning, wherein the gas turbine auxiliary system for NH3 conditioning is configured to process an ammonia input stream and obtain a decomposition gas comprising at least hydrogen and nitrogen, preferably a gas NH3/H2/N2 mixture, the gas turbine auxiliary system for NH3 conditioning comprising an ammonia cracking reactor (300), the ammonia cracking reactor (300) being configured to de-compose ammonia into a gas mixture of hydrogen, nitrogen and residual ammonia, a separator coupled to said gas turbine (100) and being configured to separate a gas mixture of hydrogen, nitrogen and residual ammonia, into separate streams of hydrogen, nitrogen, ammonia, said separator comprising at least one of: a first separator outlet line (71, 74) connected to said fuel cell (500) for conveying said stream of ammonia to said fuel cell (500), and a second separator outlet line (72, 72b) connected to said fuel cell (500) for conveying said stream of hydrogen to said fuel cell (500).
Absstract of: WO2025045388A1
A system for generating power using a gas turbine is disclosed. The system comprises an ammonia-cracking device, to convert at least part of a NH3 stream into H2 and N2, to realize a gas NH3/H2/N2 mixture that allows operating the gas turbine in every condition. In one aspect, the cracking reactor is operated to produce an excess of cracked products, said products being used to feed auxiliary services.
Absstract of: WO2024261208A1
The invention relates to a device and a method for a bubble-free electrolysis. The device has at least two gas-permeable electrodes (1, 2), between which a membrane (3) is embedded. In the device, an arrangement of a plurality of fibers which are distributed over the membrane (3) are integrated into the membrane (3) and/or are applied onto the membrane (3) on one side or on both sides, wherein at least 10 of the fibers are hollow fibers (4) which extend at least to the edge of the membrane (3) and are open at one end or both ends. The sheath of the hollow fibers (4) is designed to be partly permeable to a liquid medium which can be introduced into the hollow fibers (4) under pressure via the open ends. By virtue of the proposed device and the corresponding method, electrolysis cells for water electrolysis can be inexpensively provided and can be scaled for industrial applications.
Absstract of: EP4773264A1
A membrane humidifier, in which a baffle is provided, for a fuel of the present disclosure includes a mid-case in which a fluid movement port through which fluid passes is provided, a fluid movement unit arranged in the fluid movement port of the mid-case, and a cartridge which is arranged inside the mid-case and in which a humidification membrane is provided, wherein the fluid movement unit includes a baffle which is provided in the fluid movement port and in which a plurality of windows are provided, and a mid-end cap connected to the mid-case outside the fluid movement port.
Absstract of: EP4773262A1
A manufacturing method of a precursor for a regenerated fuel cell separator includes: a step of preparing a slurry by mixing a precursor for a fuel cell separator containing graphite particles and a water-soluble resin with an aqueous solvent; and a step of drying the slurry. The manufacturing method uses a reusable material as precursor for the fuel cell separator, for example defective articles obtained during manufacturing and waste material generated during processing.
Absstract of: EP4773261A1
This precursor sheet for a fuel cell separator contains graphite particles, a particulate or fibrous water-insoluble resin, and a water-soluble resin. The precursor sheet can be reverted to a slurry in an aqueous solvent, and thus it is possible to reuse defective articles and waste material generated during processing.
Absstract of: EP4772462A1
0001 The present invention discloses a stacking device for assembling flat parts of an electrical device, characterized by including a gantry four-built-up shaft carrying mechanism, and further including a membrane electrode plate centering table, a bipolar plate centering table, a membrane electrode plate feeding bin, a membrane electrode plate feeding lifting mechanism, a bipolar plate feeding bin, a bipolar plate feeding lifting mechanism, and a stacked sheet lifting mechanism which are horizontally arranged below a gantry. When the device provided by the present invention is adopted for stacking, incoming products first pass through product centering mechanisms to achieve accurate feeding positions, and then are carried to a stacking position to ensure the feeding accuracy. The gantry four-built-up shaft carrying mechanism above the device provided by the present invention cooperates with the feeding lifting mechanisms and the stacked sheet lifting mechanism below the device to work up and down to ensure the stacking speed. The present invention is able to meet the requirement of accurate and fast crossed stacking of membrane electrode plates and bipolar plates in the production process of automobile hydrogen energy fuel cells.
Absstract of: EP4773260A1
0001 This precursor sheet for a fuel cell separator contains graphite particles, a particulate or fibrous water-insoluble resin, and a water-soluble resin. The content of the water-soluble resin is 0.8-18.0 parts by mass per 100 parts by mass of the graphite particles. The content of the particulate or fibrous water-insoluble resin is 19.0-63.0 parts by mass per 100 parts by mass of the graphite particles. The precursor sheet can be reverted into a slurry in an aqueous solvent, and thus it is possible to reuse defective articles and waste material generated during processing is made possible, and a separator that exhibits good strength, low volume resistivity, and high gas impermeability is obtained.
Absstract of: JP2026114076A
【課題】より大きい発熱量での暖機運転を行える技術を提供する。【解決手段】燃料電池システムは、燃料電池スタックと、二次電池と、二次電池の許容充電電力を取得する取得部と、燃料電池システムを制御する制御部と、を備える。制御部は、予め定められた閾値発熱量未満の発熱量が要求された場合に、第1暖機運転を燃料電池システムに行わせ、閾値発熱量以上の発熱量が要求された際に許容充電電力が予め定められた閾値電力以上の場合に、燃料電池スタックの単位時間あたりの発熱量が第1暖機運転よりも大きく、燃料電池スタックの発電電力の少なくとも一部を二次電池に供給させるための第2暖機運転を燃料電池システムに行わせる。【選択図】図2
Absstract of: JP2026114256A
【課題】比較的低温での焼付が可能であると共に、作動環境下で、空気極(又は酸素発生極)への良好な酸素供給を実現する。【解決手段】電極層2と電解質層4と対極電極層6とが記載の順に積層された電気化学素子Eとセル間接続部材26とを焼付により接合する接合材10であって、200℃以上300℃以下で揮発する多孔形成樹脂と、粒子状のCo-Mnとを含む金属酸化物とを混合して成る。【選択図】図2
Absstract of: JP2026113985A
【課題】キャニスタを容易に交換することができる燃料電池システム及び電動アシスト車両を提供する。【解決手段】燃料電池システムは、燃料電池と、燃料電池に燃料ガスを供給するキャニスタと、キャニスタの外周面を保持する筒状の周壁49を有するホルダ32と、を備える。ホルダ32は、キャニスタが挿入される挿入口と、挿入口からキャニスタが挿入された際にキャニスタが着脱自在に接続される接続部とを有し、かつ周壁49の軸線方向と交差する方向に延びる回動軸線J1を回動中心として、キャニスタが使用される第1位置とキャニスタが交換される第2位置との間で回動可能にハウジング35に取り付けられている。【選択図】図6
Absstract of: JP2026114805A
【課題】性能評価時の炉内のセルスタックの温度分布について、ムラの発生を防止しつつ、詳細かつ広範囲に及ぶ温度分布を監視することができるセルスタック評価装置を提供せんとする。【解決手段】評価対象となるセルスタックCSを加熱する加熱炉2と、セルスタックCSの温度を測定する温度測定部4と、を備え、加熱炉2には窓部3が設けられており、温度測定部4が窓部3を介して炉外から加熱炉2内のセルスタックCSの温度を測定する。窓部3は赤外線透過性を有する気密窓であり、温度測定部4は、窓部3の外側にてセルスタック表面からの放射された赤外線をとらえて温度測定する放射温度計である。【選択図】図1
Absstract of: EP4773259A2
0001 A method of making an interconnect for an electrochemical cell column includes casting a metal alloy or a metal matrix composite material to form a near-net-shape interconnect part which includes riser openings, a fuel flow field and an air flow field, and forging the near-net-shape interconnect part to form the interconnect.
Absstract of: EP4772742A1
The present application discloses a piston liquid hydrogen pump and a hydrogen fueling system. In the piston liquid hydrogen pump, a first piston is provided in a driving cavity, a first driving liquid inlet/outlet is formed in a first driving cavity, and a second driving liquid inlet/outlet is formed in a second driving cavity; a liquid passing hole making the first driving cavity and the second driving cavity communicated with each other is formed in the first piston, and a mushroom valve assembly is movably provided in the liquid passing hole and seals the liquid passing hole when moving to openings of the liquid passing hole; a second piston is provided in a hydraulic cavity; a piston rod is sealingly connected between the first piston and the second piston, and a liquid hydrogen one-way inlet and a liquid hydrogen one-way outlet are formed in a second hydraulic cavity. The hydrogen fueling system comprises a liquid hydrogen storage tank, a vaporizer, a buffer tank, a liquid hydrogen pipe, a gaseous hydrogen fueling machine, and the piston liquid hydrogen pump. According to the piston liquid hydrogen pump and the hydrogen fueling system provided by the present application, the start and stop of the pistons are mechanically controlled by means of the mushroom valve assembly, so that the failure rate is low, and the stability and the reliability are achieved; and the mushroom valve assembly has a low mass, so that the response speed can be increased, and the control precisi
Absstract of: US20260179985A1
A fuel cell system includes: a plurality of fuel cell stacks; at least one supply source that supplies a fluid to the plurality of fuel cell stacks; a distributor that distributes the fluid supplied from the at least one supply source to each fuel cell stack of the plurality of fuel cell stacks in response to a distribution ratio; and a controller. The controller calculates a remaining life of each of the fuel cell stacks and determines the distribution ratio on the basis of the calculated remaining life.
Absstract of: CN122344113A
本申请公开了一种燃料电池用特种石墨板及其制备工艺,涉及燃料电池技术领域,其原料按重量份包括78‑82份预膨胀石墨、2‑3份炭黑、6‑8份石墨烯改性中间相碳微球、1.5‑2.5份碳化硅晶须、4‑6份硼硅改性酚醛树脂、0.3‑0.5份硅烷偶联剂、20‑30份无水乙醇;将预膨胀石墨、炭黑、石墨烯改性中间相碳微球和碳化硅晶须加入高速混料机中干混;随后加入硼硅改性酚醛树脂和硅烷偶联剂,继续高速剪切混合;加入无水乙醇,混合完成后,将物料干燥并破碎成粉;将制得的粉放入模具中压制成形;再通过阶梯升温压制成形的样品进行固化处理,冷却后即得到燃料电池用特种石墨板。本申请提供的石墨板具有优异的面电导率和机械强度。
Absstract of: WO2024249641A1
Described are copper dehydrogenase enzymes that are engineered from multicopper oxidases to have reduced oxidase activity. The oxygen-insensitive copper dehydrogenases catalyze the dehydrogenation of a phenolic substrate on an electrode to generate electrical current. Compositions, devices, kits, and methods are disclosed for assaying L-DOPA with a copper dehydrogenase. Anodes, enzyme fuel cells and batteries are disclosed with the copper dehydrogenase immobilized with a substrate.
Nº publicación: CN122349676A 07/07/2026
Applicant:
希锂斯动力有限公司罗伯特·博世有限公司
Absstract of: WO2025119498A1
The invention relates to an electrochemical cell stack, comprising a plurality of electrochemical cell units (12) that are stacked upon one another along a stacking direction (14), wherein each cell unit comprises a cell layer having at least one electrochemically active cell chemistry region, and an interconnector plate (18), said cell layer and said interconnector plate overlie one another and are attached to each other to enclose a fluid volume therebetween, adjacent cell units cooperate with each other such that movement of the cell units relative to each other in a direction perpendicular to the stacking direction is limited or blocked. The invention also relates to electrochemical cell units and a method of manufacturing an electrochemical cell stack.