Absstract of: EP4403205A2
A method for disposing of a device including an alkali metal is described. In one embodiment, the method includes placing the device in a container configured to permit a controlled exposure of the alkali metal to a reactant for the alkali metal or a solubilizer of the alkali metal, and allowing the alkali metal to react with the reactant or to dissolve in the solubilizer to render the alkali metal substantially non-reactive. Containers for use in the method and kits including the alkali metal device and the disposal container are also described.
Absstract of: CN117917984A
Anion exchange polymers with high OH "conductivity, chemical stability and mechanical stability have been developed for use in AEM. The anion exchange polymer has a stable hydrophobic polymer main chain, a stable hydrophilic quaternary ammonium cation group and a hydrophilic phenolic hydroxyl group on a polymer side chain. The polymer has a polymer backbone free of ether linkages, hydrophilic polymer side chains, and piperidinium ion conducting functionality, which enables efficient and stable operation in water or CO2 electrolysis, redox flow battery and fuel cell applications. The polymer comprises a plurality of repeating units of formula (I). Anion exchange membranes and membrane electrode assemblies incorporating the anion exchange polymer are also described. # imgabs0 #
Absstract of: GB2626376A
An electrolysis system (300) and associated method of use for generating hydrogen is defined. The system comprising: an electrolyser (302) comprising an electrolyte water inlet (303), a first gas outlet (304) and a second gas outlet (306); an electrolyte pump (314) where the pump is powered by pressurised gas. An air storage tank (354) for storing pressurised air, where the tank (354) has a first air outlet (313) that is connected or connectable to the pump (314) for selectively driving the electrolyte pump (314) with pressurised air stored within the tank (354). Means for pressurising air within the air storage tank (354) via pressurised gases received from the first and/or second gas outlet (304, 306) is also provided.
Absstract of: GB2626508A
The techniques described herein relate to methods for the synthesis of ammonia from nitrogen and hydrogen, the methods including use of plasma, such as a microjet plasma, in a first reaction chamber to generate a vibrationally exited nitrogen atom or nitrogen containing molecule, optionally wherein the excited nitrogen atom or molecule is reacted with hydrogen in an aqueous medium, optionally wherein the medium is then recycled to remove soluble products. A system for carrying out such methods is also provided.
Absstract of: EP4403671A1
Provided is a water electrolysis system (10) that obtains hydrogen by water electrolysis with a water electrolysis cell (13), the water electrolysis system (10) including a water electrolysis stack (12) having a plurality of the water electrolysis cells (13), a water supply side passage (30) that supplies water to the water electrolysis stack (12), a hydrogen side passage (40) that discharges the hydrogen obtained in the water electrolysis stack (12) from the water electrolysis stack (12), a plurality of voltage sensors (22a) that measures voltages for the respective water electrolysis cells (13) or for each group of the water electrolysis cells (13), and a control device (23) configured to acquire a voltage from each of the voltage sensors (22a), determine whether the voltage is lower than a predetermined value and notify the water electrolysis cell (13) has a failure when it is determined that the voltage is lower than a predetermined value .
Absstract of: CN118374819A
本发明公开了控制电解槽系统的纯水加入量的设备和方法。电解槽系统包括并列设置的多个电解,每个电解槽包括阳极室、阴极室、将所述阳极室和所述阴极室隔开的离子交换膜、设置在阳极室的阳极、以及设置在阴极室的阴极,其中,纯水注入至每个电解槽的阴极室,控制电解槽系统的纯水加入量的设备包括:纯水加入模块,以可变的输出流量向阴极室注入纯水;纯水加入量控制模块,基于每个电解槽的电流值、电解槽系统的单元槽的数量、以及补偿系数计算向阴极室注入的纯水的设定流量,并且基于计算的设定流量动态地调整纯水加入模块的输出流量以控制阴极室中的阴极溶液的浓度。
Absstract of: KR20240113639A
수전해 촉매의 제조방법이 개시된다. 수전해 촉매의 제조방법은, 이리듐 산화물 촉매의 전구체와 TiO2를 혼합한 후 분산시켜 복합체를 형성하는 단계; 상기 혼합물을 필터링하여 상기 복합체를 수득하는 단계; 및 상기 복합체를 소성하는 단계;를 포함한다.
Absstract of: CN118374814A
本申请公开了一种双阳极电催化制备砷烷的装置及应用,本申请装置包括阴极电解槽及设置于阴极电解槽两侧的两个阳极电解槽,阴极电解槽与阳极电解槽之间分别用隔膜隔开,隔膜面向阳极电解槽的一侧面上紧密贴合有阳极催化剂;阴极电解槽内部穿插有阴极电极,且阴极电极与电源负极通过导线连接,两个隔膜相反两侧的两个阳极催化剂通过导线并联与电源正极连接。本发明通过设计“双通道”阳极电解槽结构,通过增加阳极电解槽及阳极催化剂的数量调控反应转移质子的能力,直接提高了反应的电流密度,一方面提高了阳极产生氧气的速率,另一方面加速了阴极砷烷的产生。
Absstract of: CN118373478A
本发明涉及一种无机化工废水制氢联产淡水的方法及系统。本发明包括废水导出单元和电解水耦合低温蒸馏集成系统,电解水耦合低温蒸馏集成系统包括碱性电解槽单元、氧分离冷却单元、氢分离冷却单元、氢纯化冷却单元、碱液过滤循环单元和废水制淡水单元,废水导出单元用于向电解水耦合低温蒸馏集成系统中供给废水,废水制淡水单元用于对废水进行加热,蒸汽除杂质并冷凝后产生淡水;废水制淡水单元的输出端与碱性电解槽单元相连,碱性电解槽单元中的淡水在直流电的作用下分解成氢气和氧气。本发明工艺流程短,占地面积小,生成的淡水的水质远优于传统的达标排放废水,完成了化工废水的资源化利用。
Absstract of: CN118381287A
本发明提供用于电解水制氢的三相电流型整流电源控制方法及系统,涉及电源控制领域,其中,该方法包括:对三相输入电压信号进行扇区划分,得到初始偶扇区信号和初始奇扇区信号;计算初始偶扇区信号内的载波周期数量和初始奇扇区信号内的载波周期数量,确定目标载波频率;基于目标载波频率,确定偶扇区延长时间,生成目标偶扇区信号和目标奇扇区信号,从而生成三角载波信号;基于三角载波信号与基于三相输入电压信号得到的调制波,生成三相电流型整流电源的开关驱动信号,具有消除三相电流型整流电源输入电流在扇区切换处的畸变,降低输入电流谐波含量,降低输出电流纹波,提升整流电源效率的优点。
Absstract of: CN118374007A
本发明涉及光电催化技术领域,尤其涉及一种二价锰离子配位聚合物及其制备方法与应用。本发明通过将锰盐水溶液、4‑PDCA和DMF溶剂混合,将混合得到的悬浊液在80~85℃下恒温反应40~48h得到反应产物,将反应产物冷却析晶,再依次进行冲洗、过滤和干燥后,得到二价锰离子配位聚合物,其化学表达式为{Mn2(H2O)4(4‑PDCA)2·5H2O}n,二价锰离子配位聚合物以二价锰离子为中心离子,通过共同配位的羧基连接相邻的二价锰离子形成一维链,又通过与脱去氢离子的4‑PDCA桥联形成了三维超分子网络结构,该制备方法具有过程简单、操作方便、产率高以及可重现性好等优点,制备得到的二价锰离子配位聚合物具有很好的热稳定性,可用作在氙灯照射下光电催化水分解产氧的催化剂,效果显著。
Absstract of: CA3205327A1
A system for a carbon neutral cycle of gas production may include a molten salt reactor (114) configured to generate zero carbon dioxide (CO2) emissions electricity. The system may include a desalination unit (116) configured to receive the zero-CO2 emissions electricity from the molten salt reactor and produce a desalinated water. The system may include an electrolysis unit (105) configured to be powered by the zero- CO2 emissions electricity generated by the molten salt reactor and generate hydrogen (H2) and oxygen (O2) from the desalinated water. The system may include an oxy- combustion unit (108) configured to receive and combust a hydrocarbon fuel with the O2 from the electrolysis unit to produce electricity and CO2. The system may include a CO2 capture system (113) adapted to capture the CO2 produced by the oxy-combustion unit and a catalytic hydrogenation unit (103) configured to receive and convert H2 from the electrolysis unit and CO2 from the CO2 capture system to produce the hydrocarbon fuel.
Absstract of: AU2022346871A1
A metal fluoride-functionalized proton-exchange solid support includes a proton-exchange solid support comprising a substituent group including an oxygen atom, and a metal fluoride group comprising a multivalent metal atom covalently bonded to the oxygen atom included in the substituent group, wherein the metal atom has a negative formal charge.
Absstract of: WO2023119730A1
This electrode is provided with: a metal porous sheet comprising a metal porous body having a skeleton of a three-dimensional mesh structure; and a plate-shaped metal support disposed on one main surface of the metal porous sheet. The one main surface has a plurality of machined holes that are formed perpendicular to the one main surface, and at least some of the plurality of machined holes are disposed at regular intervals. The metal support has a plurality of through-holes passing through both surfaces of the metal support, and at least some of the plurality of through-holes are disposed at regular intervals. The porous metal sheet and the metal support are disposed so that the center of each of the aforementioned some of the plurality of machined holes and the center of each of the aforementioned some of the plurality of through-holes are shifted in one direction in a plan view.
Absstract of: US2024247381A1
A water electrolysis apparatus includes: a power source; an electrolytic solution; a first tank immersed in the electrolytic solution and including a positive electrode connected to the power source, a supply opening and a discharge opening for H2O, and an O2 gas extraction opening; and a second tank immersed in the electrolytic solution and including a negative electrode connected to the power source, a supply opening and a discharge opening for H2O, and an H2 gas extraction opening. O2 gas is extracted from the first tank, and H2 gas is extracted from the second tank, by the power source maintaining voltage such that the potential of the positive electrode is higher than the potential of the negative electrode.
Absstract of: CN118374830A
本发明公开了一种析氢电极及其制备方法与应用。本发明制备的析氢电极在80℃,30wt%KOH溶液中,驱动500mA/cm2电流密度析氢反应的过电位为354mV,优于碱性电解水制氢工业上广泛使用的雷尼镍电极。该电极不仅具有良好的电解水析氢反应活性,而且稳定性高、制备过程简单、成本低廉、可以实现大规模工业化生产,为工业碱性电解水析氢电极的设计和制备提供了一种新思路。
Absstract of: CN118374810A
本公开涉及一种碱液法电解水制高纯氢气的方法,该方法包括:当电解槽在工作状态下,使粗脱水装置产生的气相出口物料依次经氢气提纯单元中的第一氢气水分离装置、脱氧装置、氢气冷却器、第二氢气水分离装置和三塔干燥装置进行处理,能够脱除含氢混合物中的氧气和水,进而能够得到纯度较高的氢气。并且,使系统中各装置产生的待回收的碱液经氢气预分离装置进入换热器降温后返回电解槽,能够降低碱液损失,进而能够降低系统的运行成本。另外,使本公开的电解槽在停工状态下,使电解槽中的碱液经换热器升温后返回电解槽,使电解槽中的碱液在停工状态下仍能够维持在启机温度,能够缩短开车时间,进而能够提升电解槽的电解效率。
Absstract of: CN118374832A
本发明公开了一种复合纳米材料及其制备方法和应用,属于纳米材料和能源催化技术领域。本发明通过掺杂所述过渡金属使得复合纳米材料中所述金属氧化物的物理导电性提高,从而减少了金属铱的用量。同时,所述掺杂过渡金属的金属氧化物使得负载于其表面的金属铱的电子结构得到优化,从而得到铱负载量低和稳定性能高的复合纳米材料。与市售Ir‑O2催化剂相比,将所述复合纳米材料用于质子交换膜电解水反应的阳极析氧催化剂能在减少用量至少80%的前提下,显示出更高的催化活性和稳定性。这为质子交换膜电解水制氢的商业化提供了新型高效的阳极析氧催化剂。
Absstract of: CN118374834A
本发明公开了一种用于电解乙醇耦合制氢的复合型金基阳极电催化剂及其制备方法,以金纳米颗粒为种子,通过与Ni源化合合成AuNix双金属纳米颗粒,再通过水热法以合金Ni为原料制备Ni基金属有机框架化合物包覆的复合型Au基催化剂。所述制备方法简单易重复,得益于Ni‑MOF壳层包覆对纳米颗粒团聚的抑制,以及Au、Ni、Ni‑MOF之间的协同作用,金基催化剂的活性和稳定性得到了提升,实现了催化剂作为阳极材料在电解乙醇耦合制氢电解槽的高效稳定运行。
Absstract of: CN118374828A
本发明提供了一种甘油氧化制甲酸的电极的制备方法以及应用该电极的耦合电解水制氢装置,其中,所述甘油氧化制甲酸的电极的制备方法,包括:选取预设量的泡沫镍,对所述泡沫镍进行超声清洗,获得净后泡沫镍;将所述净后泡沫镍通过水热法合成NiS@NF材料,获得甘油氧化制甲酸的电极;以雷尼镍为阴极,以所述NiS@NF材料为阳极,组装电解槽,然后进行测试,获得阴极水分解制氢气耦合阳极甘油氧化制甲酸的耦合电解装置。针对本发明,电解制氢、制甲酸效率高、低能耗,且所述电解装置采用无隔膜进行,避免了电解技术中昂贵的隔膜的使用,有效降低了电解制氢、制甲酸成本。
Absstract of: US2022402354A1
A hybrid plug-in battery and hydrogen fuel engine vehicle with swappable modular hydrogen tanks and integrated with solar power generation system synergistically combines the advantages of electric vehicle, the solar powered electric vehicle, and the hydrogen fuel engine vehicle. This combination of battery electric vehicle and hydrogen fuel engine vehicle mitigates the issues of prolong charging time of battery electric vehicle and prohibitive high cost of fuel cell electric vehicle. This hybrid configuration of vehicle is able to take advantages of the electric vehicle charging station infrastructure and the hydrogen charging station infrastructure simultaneously. The introduction of the water electrolysis system into the new structure of the hybrid vehicle enables onboard hydrogen generation; has the advantage of conventional hybrid vehicle, but without using fossil fuel. The swappable hydrogen tanks comprise sensors and wireless communication electronic terminals to be shared by all vehicles.
Absstract of: AU2023245260A1
Provided is a method for producing an electrolysis electrode that is provided with a catalyst that has excellent catalytic activity such as having a low oxygen overvoltage and that has excellent stability such as having less loss of a catalyst component such as iridium (Ir). This method is for producing an electrolysis electrode, and comprises a step for applying, on the surface of an electrically conductive substrate, a catalyst precursor composition containing an iridium component or the like, a step for obtaining a primary fired body by heating the electrically conductive substrate on which the catalyst precursor composition is applied, and a step for forming, on the surface of the electrically conductive substrate, a catalyst layer containing iridium oxide by heating the primary fired body. The iridium component is an iridium compound including a carboxy group. In the catalyst precursor composition, the nickel (Ni) content is 10-35 mass%, the cobalt (Co) content is 25-55 mass%, and the iridium (Ir) content is 15-55 mass% (provided that Ni+Co+Ir=100 mass% is satisfied).
Absstract of: AU2022391917A1
The invention relates to the production of an electrochemically active layered body, to an electrochemically active layered body especially obtained by the production process, and to an electrochemical cell containing at least one such layered body. The invention additionally relates to a dispersion for producing the layered body. The problem addressed by the invention is that of making alternative ionomers useful for the production of electrochemically active layered bodies. The invention is based on the concept of processing an ionomer in a dispersion and using this dispersion to produce catalytically active layered bodies for electrochemical cells.
Absstract of: CN118374811A
本发明提供一种Mo‑Co2P/Ni12P5异质结构纳米片阵列及其制备方法和应用。本发明提供了一种Mo‑Co2P/Ni12P5异质结构纳米片阵列的制备方法,包括以下步骤:将钴盐、钼盐和尿素溶于去离子水后,搅拌均匀,放入预处理过的泡沫镍,水热反应得到CoMo LDH;将H3BTC溶于无水乙醇、DMF和去离子水的混合溶液中,放入CoMo LDH,水热反应得到CoMo‑MOF;最后将载有CoMo‑MOF的泡沫镍和次磷酸钠放入同一瓷舟中,在管式炉中高温反应得到Mo‑Co2P/Ni12P5异质结构纳米片阵列。这种异质结构纳米片表面具有丰富的活性位点,同时Co、Mo双金属间协同效应可以加快电荷转移的速率。实践表明,该异质结构纳米片阵列作为水分解双功能电催化剂应用时,表现出较低的过电位和良好的稳定性。
Nº publicación: JP2024526902A 19/07/2024
Applicant:
トプソー・アクチエゼルスカベット
Absstract of: CN117642527A
The invention relates to a method for transient operation of a solid oxide electrolytic cell (SOEC) stack having a cathode side and an anode side, the method comprising: supplying a purge gas comprising CO2 to the anode side; and applying a small electrolytic current to the cells in the SOEC stack of 0.001-0.05 A/cm2 effective cell area, for example 0.01-0.05 A/cm2 effective cell area, thereby generating oxygen at the anode side or delivering any oxygen that has been available in the cathode side to the anode side. The method also includes operating the SOEC stack with a CO2-containing purge gas at the anode side during shutdown, and recycling an oxygen-containing anode product gas generated in previous normal operation of the SOEC stack without applying a small current. According to the invention, a small amount of O2 can be generated to protect pO2 and stability of the anode-side oxygen electrode. The oxygen electrode is protected, and the fuel electrode on the cathode side is also protected.