Resumen de: CN120719309A
本发明公开了一种耦合光热发电及热化学储热的高温固体氧化物电解水制氢系统,包括电力模块,热化学储热及供空气模块,供水蒸气模块及高温固体氧化物电解水模块。本发明光热发电系统提供清洁电能及高温热能,热化学储热模块通过可逆反应实现热能的高密度存储与按需释放,克服了可再生能源间歇性问题,确保SOEC电解槽的高温稳定运行。热化学储热系统与SOEC的耦合设计优化了热流分配,减少了传统电加热的能耗,减少外部水蒸气加热需求与热空气需求,降低了制氢的总体能源成本,使单位制氢成本显著下降。热化学储热模块可平抑光热发电的波动性,使系统在日照不足时仍能稳定供能,提升可再生能源利用率,实现绿氢的清洁生产,符合碳中和目标。
Resumen de: CN120714680A
本发明属于光催化剂技术领域,具体涉及一种S型C3N5/Fe2TiO5异质结及其制备方法和应用。本发明通过水热法首次构建了S型C3N5/Fe2TiO5异质结,能够有效促进光生电子/空穴对的分离,同时保留强氧化还原能力,克服了传统异质结的局限性。本发明所采用的C3N5纳米片为基底结合Fe2TiO5纳米颗粒,该体系化学性质稳定,Fe2TiO5纳米颗粒在C3N5纳米片上均匀分散,且制备工艺简单,适合工业化放大生产。本发明制备的S型C3N5/Fe2TiO5异质结展现出优异的光催化分解水制氢活性,同时材料成本低。
Resumen de: CN120714631A
本发明提供了一种掺杂CuO的TiO2纳米纤维催化剂及其制备方法和应用,属于光催化材料技术领域。所述制备方法包括下列步骤:将钛酸四丁酯、乙醇溶液、乙酸溶液和聚乙烯吡咯烷酮混合,静电纺丝,得到TiO2纤维膜;将硝酸铜和水混合,得到硝酸铜浸渍液;将TiO2纤维膜置于硝酸铜浸渍液中,浸渍、煅烧,得到掺杂CuO的TiO2纳米纤维催化剂。由本发明制备方法制备的纳米纤维催化剂可将光吸收范围扩展至可见光区,大幅提高可见光利用率,适用于光解水产氢反应。
Resumen de: CN120714673A
本发明涉及涉及催化剂制备相关领域,具体涉及一种硫化镉量子点敏化Ru/WC复合催化剂的顺序负载制备工艺,包括以下步骤:将碳化钨(WC)粉末分散于去离子水中,超声处理10‑30min使其均匀分散,得到WC悬浮液;向所述WC悬浮液中加入三氯化钌、硝酸钌或醋酸钌中的一种钌盐溶液,搅拌1‑3h后,采用硼氢化钠、水合肼或氢气中的一种作为还原剂,在20‑80℃下进行还原反应2‑6h,使钌离子还原为金属钌负载于WC表面,经过过滤、洗涤、干燥,得到Ru/WC复合载体;光吸收性能方面硫化镉量子点具有优异的光吸收性能,其与Ru/WC复合后,拓宽了催化剂的光吸收范围,使催化剂能够吸收更多的光能,为光催化反应提供更多的能量。
Resumen de: CN120714564A
本发明公开了一种用于太阳能制氢‑储氢的系统,利用甲酸作为储氢媒介,并通过耦合光热和光催化技术实现太阳能的全光谱利用。其中,MXene催化剂用于光热甲酸脱氢,MXene的Ti‑C基底有助于太阳能全光谱的利用。同时,以MXene为基底通过原位氧化策略在Ti‑C基底上原位生长Ti‑O官能团,生成TiO2‑MXene。TiO2‑MXene既保留了Ti‑C基底的高导电性,还拥有了光催化CO2还原至甲酸的能力。最终,应用MXene和TiO2‑MXene实现了光热甲酸脱氢(HCOOH→H2+CO2)和光催化CO2的还原(CO2+H2O→HCOOH+O2)。本发明能够提高太阳能的利用效率,实现了太阳能驱动的储氢‑制氢,并且该系统全程仅仅消耗太阳能和水,无额外的损耗。
Resumen de: CN120719337A
本本发明涉及基于等离激元增强机制的高效光催化分解水制氢材料及其制备方法。所述材料包括:以多孔TiO2纳米管阵列为基体,管径为50~200nm,壁厚为10~50nm;在其表面负载粒径为5~20nm的Au‑Ag双金属纳米颗粒,Au与Ag摩尔比为1:3至3:1,用于激发表面等离激元共振效应;进一步在其外表面沉积二维MoS2纳米片作为共催化剂,厚度为1~5nm;并在整体表面沉积1~3nm厚的超薄碳层以提升光吸收与稳定性。本发明还提供了该光催化材料的制备方法,依次包括TiO2阳极氧化、水热沉积MoS2、光沉积金属纳米颗粒和CVD碳层包覆等步骤。所制材料在太阳光驱动下表现出优异的氢气产率与稳定性,具有广阔的光催化制氢应用前景。
Resumen de: CN120714626A
一种稀土氧化物后负载型钌基氨分解催化剂、制备方法及其在氨分解制备氢气中的应用,属于制氢技术领域。该氨分解催化剂以氧化物或碳材料为载体,首先负载钌金属形成活性中心,随后采用后负载方式引入稀土氧化物,调控金属‑载体界面的结构与电子特性,最终经还原处理获得具有高分散性与稳定性的氨分解催化剂,显著提升了低温氨分解性能与运行稳定性。在400℃、氨气空速18000mL·gcat‑1·h‑1条件下,该催化剂的氨转化率接近热力学极限,并具有良好抗烧结和抗中毒能力。该催化剂制备工艺简便、可规模化生产,适用于各类氨分解制氢场景,尤其适合分布式与按需式制氢系统,为氢能高效利用与绿色转化提供有力技术支撑。
Resumen de: US2025283237A1
A method can include: processing precursors, electrochemically oxidizing an anolyte and reducing a catholyte in an electrolyzer, and cooperatively using the oxidized anolyte and reduced catholyte in a downstream process. The electrolyzer can include an anode, a cathode, and a separator. The anode can include an anolyte, an electrode, an anolyte reaction region. The cathode can include a catholyte, an electrode, a catholyte reaction region.
Resumen de: CN120715229A
本发明涉及电解水制氢技术领域,具体公开一种利用搅拌摩擦增材制备铜铁合金的方法。本发明以价格低廉的铜粉和铁粉为原料,经过球磨处理增大粉末的比表面积、促进原子扩散,然后通过热等静压使粉末初步结合形成致密棒材,再以热等静压制备的棒材为原料进行增材制造,搅拌摩擦增材通过摩擦产热使材料处于塑性状态,在机械搅拌作用下进一步推动铁、铜原子的充分扩散与混合,从而实现过饱和固溶,解决了常规方法难以实现高含量铁在铜中固溶的难题,在析氢催化等领域展现出巨大应用潜力,为高性能铜铁合金材料的制备提供了一种切实可行的新途径。
Resumen de: CN120714684A
本发明公开了一种氮修饰的钨酸镍纳米棒自支撑催化剂及其制备方法以及在电解海水制氢中的应用,所述催化剂是以泡沫镍或者镍网为导电基底,其中导电基底的表面生长有经过氮修饰的钨酸镍纳米棒阵列;制备时,首先将泡沫镍或镍网导电基底进行预处理,接着与含镍离子、钨酸根和硝酸根的反应溶液进行水热反应,最后在管式炉中,采用尿素作为N源进行N修饰改性即得;本发明的制备方法简单,成本低廉,通过N元素来调控催化剂的电子结构,所得氮修饰的钨酸镍纳米棒自支撑催化剂具有优异的电解海水制氢活性,同时具有优异的海水制氢稳定性,有利于电解海水制氢的广泛应用。
Resumen de: CN120719323A
本发明涉及电解催化技术领域,具体涉及CoSe2/Fe3O4复合纳米异质结构电催化剂及其制备方法和应用。CoSe2/Fe3O4复合纳米异质结构电催化剂的制备方法包括如下步骤:S1、将PB纳米管和四水合乙酸钴加入水中,搅拌得到浑浊溶液;将浑浊溶液在油浴条件下搅拌加热,然后以6000‑10000rpm的转速离心并收集沉淀物;沉淀物洗涤后调节pH为4.6‑5.4,干燥后得到Co掺杂的PB纳米管;S2、将硒粉和Co掺杂的PB纳米管分别置于管式炉的上、下游,煅烧得到CoSe2/Fe3O4复合纳米异质结构电催化剂。本发明制备方法得到的CoSe2/Fe3O4复合纳米异质结构电催化剂具有优异的电催化析氧性能。
Resumen de: WO2024162842A1
A method of generating hydrogen and oxygen from a liquid feed stream through an integrated system of forward osmosis and electrolysis, wherein the method comprising the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprising an electrolyte, an ionic liquid and a solvent, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution and wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: WO2024162841A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: KR20250142090A
본 발명은, (a) 제1 전이금속 소스, 제2 전이금속 소스 및 금속 소스를 포함하는 혼합 용액을 제조하는 단계; (b) 작업전극(working electrode) 및 상대전극(counter electrode)을 상기 혼합 용액 내에 위치시키는 단계; 및 (c) 상기 작업전극 및 상기 상대전극의 양단에 변화하는 전압을 인가함으로써 상기 작업전극에 변화하는 전위를 순환전압전류법에 따라 인가하는 단계;를 포함하고, 상기 (c) 단계는, 상기 혼합 용액 내 포함된 제1 전이금속, 제2 전이금속 및 금속이 이온화되어, 금속 단일원자가 올라간 전이금속 기반 층상 이중 수산화물(LDH)이 상기 작업전극의 표면에 형성되는 단계인, 수전해용 촉매전극의 제조방법, 이에 의해 제조되는 수전해용 촉매전극, 및 이를 포함하는 수전해 장치가 제공된다.
Resumen de: MX2025008965A
The present application relates to a flow field for use in an electrolysis cell comprising one or more sheets of porous material with a corrugated structure. The electrolysis cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field comprises one or more porous sheets having at least one straight edge and at least one of the porous sheets has the form of a corrugated pattern with a plurality of peaks and valleys whose axes are generally aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides resiliency, for efficient mechanical compression of the cell, and well-distributed mechanical support for the anode reinforcement layer adjacent to the anode flow field.
Resumen de: KR20240033364A
The present specification relates to an electrode catalyst for water electrolysis, a water electrolysis battery including the same, and a manufacturing method thereof. A water electrolysis battery including an electrode catalyst for water electrolysis according to an embodiment of the present invention has excellent oxygen generation activity and durability, and a method for manufacturing an electrode catalyst for water electrolysis according to an embodiment of the present invention exhibits an effect of enabling mass production and scale-up.
Resumen de: KR20250142089A
본 발명의 무스케일 전극 및 무막 전기분해를 이용한 수소생산장치는 전원부로부터 전원(DC)을 인가받아 여과수 또는 전해질 수용액을 전기분해하여 수소와 산소를 발생시키는 양극플레이트 및 음극플레이트와; 여과수 또는 전해질 수용액을 양극플레이트와 음극플레이트로 공급할 수 있도록 양극플레이트와 음극플레이트의 사이에 설치되는 흡습성플레이트와; 양극플레이트와 음극플레이트의 양측 각각에 설치되는 전극접합체와; 양극플레이트와 음극플레이트, 흡습성플레이트 및 전극접합체의 중앙에 설치되는 공급관과; 양극플레이트, 음극플레이트 및 흡습성플레이트가 결합되는 결합링과; 전기분해에 의해 발생되는 수소와 산소가 배출되며 유입되는 처리수 또는 전해질 수용액의 누출이 방지되게 결합링의 양측단에 각각 결합되는 복수의 고정판과; 공급관의 양측단에 각각 결합되는 복수의 결합관;을 포함하여 구성되는 것을 특징으로 하며, 유격막 방식의 문제점을 해결하고자 격벽을 설치하지 않고 다공성 전극을 사용함으로 유격막 방식의 효과를 발휘되면서 기존의 전기분해에서 대두되는 막(Membranes)을 사용하지 않으면서 수소의 생산에 따른 신뢰도를 높이고, 이산화탄소 무배출로 기후 온난화 문제 해결과 동시
Resumen de: US2025296836A1
In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%.
Resumen de: MA70875A1
An HVDC system comprising an AC/DC converter sub-system electrically connected to a renewable energy equipment and a VSC sub-system is provided. A method comprises operating the renewable energy equipment to function as a voltage source to energize an HVDC link between the AC/DC converter sub-system and the VSC sub-system; operating the VSC sub-system as a voltage source to energize at least one electrical load electrically connected thereto; if it is determined that the power production rate of the renewable energy equipment is not within a designated parameter, operating the equipment to follow the VSC sub-system such that controlling the AC electric power output influences the power production rate. If it is within the designated parameter, operating the VSC sub-system to follow the renewable energy equipment such that the VSC sub-system adjusts the properties of its AC electric output to match the properties of the electric power generated by the renewable energy equipment.
Resumen de: US2025092537A1
In this disclosure, a process of recycling acid, base and the salt reagents required in the Li recovery process is introduced. A membrane electrolysis cell which incorporates an oxygen depolarized cathode is implemented to generate the required chemicals onsite. The system can utilize a portion of the salar brine or other lithium-containing brine or solid waste to generate hydrochloric or sulfuric acid, sodium hydroxide and carbonate salts. Simultaneous generation of acid and base allows for taking advantage of both chemicals during the conventional Li recovery from brines and mineral rocks. The desalinated water can also be used for the washing steps on the recovery process or returned into the evaporation ponds. The method also can be used for the direct conversion of lithium salts to the high value LiOH product. The method does not produce any solid effluent which makes it easy-to-adopt for use in existing industrial Li recovery plants.
Resumen de: AU2024211141A1
The invention provides an electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Resumen de: TW202502644A
A process for the catalytic cracking of ammonia, the process comprising: supplying an ammonia feed gas to one or more heated catalyst containing reaction vessels disposed within an ammonia cracking reactor; and cracking the ammonia in the ammonia feed gas in the one or more catalyst containing reaction vessels to produce a hydrogen containing stream, wherein the or each of the reaction vessels has a wall which is composed of at least a first alloy and a second alloy, wherein the first alloy is more resistant to nitriding than the second alloy and the second alloy provides mechanical support to the first alloy, and wherein at least a portion of the wall adjacent the catalyst is composed of the first alloy.
Resumen de: CN120719340A
本申请涉及氢气的电解生产领域,提供一种水电解制氢装置控制系统,该方法包括:所述水电解制氢装置包括:用于电解产生氢气的电解槽、用于对所述电解槽提供电流的整流部件、用于向电解槽输入和输出电解液的循环液路、用于分离氢气与电解液的氢分离器以及用于分离氧气与电解液的氧分离器;所述电解槽包括多个电解小室;所述水电解制氢装置控制系统包括处理器,所述处理器用于获取所述水电解制氢装置的性能指标,并根据所述性能指标对各个电解小室的控制参数进行调节,确定存在异常的电解小室;其中,所述性能指标至少包括:温度指标、压力指标,所述温度指标为循环液路的温度,所述压力指标为电解槽的压力。
Resumen de: CN120719312A
本发明属于电催化材料技术领域,尤其涉及一种Co9S8‑C/C自支撑电催化材料及其制备方法与应用。所述Co9S8‑C/C自支撑电催化材料包括作为载体的C/C复合材料基底和均匀负载于所述C/C复合材料基底的Co9S8。本发明以C/C复合材料为载体,通过热浸渍法在载体表面生长Co9S8电催化材料。该自支撑电催化材料的制备方法极为简便,绿色无污染,原料成本低,在碱性环境中电催化活性良好,且在大电流下仍具有优异的析氢性能。
Nº publicación: CN120719316A 30/09/2025
Solicitante:
上海理工大学
Resumen de: CN120719316A
本发明公开了一种钌原子锚定的NiCoP/NF催化剂及其制备方法与应用,属于催化技术领域,解决了现有技术中水分解反应催化剂催化效果不够理想的问题。本发明提供的钌原子锚定的NiCoP/NF催化剂,其形态为仙人掌状,钌原子以单个原子的形式均匀分散在NiCoP/NF表面。本发明使用了“单原子工程”策略,将高活性钌(Ru)以单原子形式均匀分散在双金属磷化物(NiCoP/NF)表面,显著提升了全水分解的反应活性。