International Journal of Hydrogen Energy最新文献_第5页

La0.3Sr0.7Ti0.3Fe0.7O3-δ derived from Malaysian ilmenite and monazite for application of solid oxide fuel cell cathode 从马来西亚钛铁矿和独居石中提取的 La0.3Sr0.7Ti0.3Fe0.7O3-δ 在固体氧化物燃料电池阴极中的应用

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.206

Muhammad Zaid Ahmad , Sahrim Haji Ahmad , Ruey Shan Chen , Aznan Fazli Ismail , Mahendra Rao Somalu , Roshasnorlyza Hazan

{"title":"La0.3Sr0.7Ti0.3Fe0.7O3-δ derived from Malaysian ilmenite and monazite for application of solid oxide fuel cell cathode","authors":"Muhammad Zaid Ahmad , Sahrim Haji Ahmad , Ruey Shan Chen , Aznan Fazli Ismail , Mahendra Rao Somalu , Roshasnorlyza Hazan","doi":"10.1016/j.ijhydene.2024.11.206","DOIUrl":"10.1016/j.ijhydene.2024.11.206","url":null,"abstract":"<div><div>This study investigates the effect of using low-purity oxides in synthesizing lanthanum strontium titanate ferrite (LSTF) on its electrochemical performance as a solid oxide fuel cell (SOFC) cathode material. Lanthanum oxide at 30% and 60% purity is extracted from monazite, and iron oxide at 70% and 90% purity is extracted from ilmenite as the LSTF precursor. Symmetrical pellets are fabricated from yttria-stabilized zirconia (YSZ) as the electrolyte, samarium-doped ceria (SDC) as the buffer layer, and silver paste as the current-collecting layer (CCL). Results from electrochemical impedance spectroscopy (EIS) demonstrate that LSTF made from extracted lanthanum with low purity shows comparable electrical performance with a polarity resistance (Rp) of below 0.2 Ω at operational temperature of 800 °C compared to LSTF made from commercial ingredients, while LSTF made from extracted iron shows equal performance only with high-purity ingredients. LSTF made with extracted lanthanum and iron exhibits an Rp of 0.5 Ω and does not show comparable performance with LSTF made with commercial ingredients, likely due to a high variety of impurities. Based on this study, LSTFLa30 and LSTFFe90 show high potential for SOFC cathode applications at operating temperatures in the range of 700–800 °C.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 1247-1256"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Techno-economic assessment of liquid carrier methods for intercontinental shipping of hydrogen: A case study 氢气洲际运输液体载体方法的技术经济评估：案例研究

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.205

Anna Peecock , Ben Hull-Bailey , Astley Hastings , Alfonso Martinez-Felipe , Lawrence B. Wilcox

{"title":"Techno-economic assessment of liquid carrier methods for intercontinental shipping of hydrogen: A case study","authors":"Anna Peecock , Ben Hull-Bailey , Astley Hastings , Alfonso Martinez-Felipe , Lawrence B. Wilcox","doi":"10.1016/j.ijhydene.2024.11.205","DOIUrl":"10.1016/j.ijhydene.2024.11.205","url":null,"abstract":"<div><div>As global economies seek to transition to low-carbon energy systems to achieve net zero targets, hydrogen has potential to play a key role to decarbonise sectors that are unsuited to electrification or where long-term energy storage is required. Hydrogen can also assist in enabling decentralized renewable power generation to satisfy higher electricity demand to match the scale-up of electrified technologies. In this context, suitable transport, storage, and distribution networks will be essential to connect hydrogen generation and utilisation sites. This paper presents a techno-economic impact evaluation of international marine hydrogen transportation between Canada and the Netherlands, comparing liquid hydrogen, ammonia, and a dibenzyl toluene liquid organic hydrogen carrier (LOHC) as potential transport vectors. Economic costs, energy consumption and losses in each phase of the transportation system were analysed for each vector. Based on the devised scenarios, our model suggests levelised costs of hydrogen of 6.35–9.49 $<sub>2022</sub>/kg<sub>H2</sub> and pathway efficiencies of 55.6–71.9%. While liquid hydrogen was identified as the most cost-competitive carrier, sensitivity analysis revealed a merit order for system optimisation strategies, based upon which LOHC could outperform both liquid hydrogen and ammonia in the future.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 971-983"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergistic insights into the electrocatalytic mechanisms of ZIF-derived Co3S4 on 1T-WS2/WO3 for electrochemical water splitting 对 ZIF 衍生的 Co3S4 在 1T-WS2/WO3 上用于电化学水分离的电催化机制的协同见解

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.098

Nimisha Baby , Nagaraj Murugan , Sadhasivam Thangarasu , Yoong Ahm Kim , Tae-Hwan Oh

{"title":"Synergistic insights into the electrocatalytic mechanisms of ZIF-derived Co3S4 on 1T-WS2/WO3 for electrochemical water splitting","authors":"Nimisha Baby , Nagaraj Murugan , Sadhasivam Thangarasu , Yoong Ahm Kim , Tae-Hwan Oh","doi":"10.1016/j.ijhydene.2024.11.098","DOIUrl":"10.1016/j.ijhydene.2024.11.098","url":null,"abstract":"<div><div>Designing a highly effective bifunctional electrocatalysts for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is a sensible approach for generating enormous hydrogen fuel by electrochemical water splitting. Herein, a high performance of ZIF-derived Co<sub>3</sub>S<sub>4</sub> on WS<sub>2</sub>-WO<sub>3</sub> electrocatalyst was developed for overall water splitting reactions. For developing the mixed phase of WS<sub>2</sub>-WO<sub>3</sub>, thioacetamide (TAA) played a crucial role as a sulfur source and acted as intercalating agent for expanding the layers of 1T WS<sub>2</sub> via the possible generation of NH<sub>4</sub><sup>+</sup> ion. The high electrocatalytic performances is attained by the homogeneous incorporation and tunable properties of nano-sized Co<sub>3</sub>S<sub>4</sub> on WS<sub>2</sub>-WO<sub>3</sub>. The electrocatalyst showed remarkable HER performance with an overpotential of only 73 mV and good OER efficiency with an overpotential of 307 mV at 10 mA/cm<sup>2</sup>. The long term chronopotentiometry and CV cycles performances convinces the stability of the electrocatalysts. A reasonable two-electrode overall water splitting performance was achieved by the WS<sub>2</sub>-WO<sub>3</sub>/Co<sub>3</sub>S<sub>4</sub> electrocatalyst in an asymmetric device, paving the path for more developments in the design and optimization of electrocatalysts for renewable energy conversion.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 1005-1017"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biohydrogen production in bioreactors: Global trends, key factors, and emerging directions 生物反应器中的生物氢生产：全球趋势、关键因素和新兴方向

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.168

Wladilson Alves Martins , Francisco Simão Neto , Patrick da Silva Sousa , Israel Oliveira Cavalcante , Jessica Lopes da Silva , Rafael Leandro Fernandes Melo , Rita Karolinny Chaves de Lima , Rodrigo da Silva Vieira , Francisco Izaias da Silva Aires , José Cleiton Sousa dos Santos

{"title":"Biohydrogen production in bioreactors: Global trends, key factors, and emerging directions","authors":"Wladilson Alves Martins , Francisco Simão Neto , Patrick da Silva Sousa , Israel Oliveira Cavalcante , Jessica Lopes da Silva , Rafael Leandro Fernandes Melo , Rita Karolinny Chaves de Lima , Rodrigo da Silva Vieira , Francisco Izaias da Silva Aires , José Cleiton Sousa dos Santos","doi":"10.1016/j.ijhydene.2024.11.168","DOIUrl":"10.1016/j.ijhydene.2024.11.168","url":null,"abstract":"<div><div>This study delves into the burgeoning realm of biohydrogen production from renewable resources, with a particular focus on the role of bioreactors in addressing the worldwide demand for sustainable energy. It highlights the importance of selecting appropriate microorganisms, optimizing cultivation conditions, and designing efficient bioreactors. The research demonstrates how utilizing agricultural and industrial waste can substantially cut greenhouse gas emissions. A bibliometric analysis shows a marked increase in publications, with China initially at the forefront, though India is rapidly gaining ground. While China leads regarding the H-index and citations, notable contributions come from India and South Korea. Funding from agencies in China and Brazil, as are contributions from specific scientific journals, is crucial. Co-authorship and co-citation analysis pinpoint key researchers and collaborative networks. Moreover, keyword trends like \"dark fermentation,\" \"<em>Enterobacter aerogenes</em>,\" and \"lignocellulosic biomass\" indicate evolving research directions. Overall, the findings highlight China's dominance in the field and offer strategic insights into future developments in biohydrogen production for cleaner energy solutions.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 943-958"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Performance analysis of metal hydride heat pump system with CFD modelling development and actual reactor designs 利用 CFD 建模开发和实际反应器设计对金属氢化物热泵系统进行性能分析

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.204

X.Y. Zhang, Y.T. Ge

{"title":"Performance analysis of metal hydride heat pump system with CFD modelling development and actual reactor designs","authors":"X.Y. Zhang, Y.T. Ge","doi":"10.1016/j.ijhydene.2024.11.204","DOIUrl":"10.1016/j.ijhydene.2024.11.204","url":null,"abstract":"<div><div>Hydrogen and metal hydride reactions in a decarbonized heat pump system with low-grade waste heat recovery offer a promising path for sustainable energy storage and conversion. Based on actual metal hydride reactor designs, this study developed a 2D transient Computational Fluid Dynamics (CFD) model for such a heat pump system working with hydrogen and a metal hydride alloy pair of Zr<sub>0.9</sub>Ti<sub>0.1</sub>Cr<sub>0.6</sub>Fe<sub>1.4</sub> and LaNi<sub>4.25</sub>Al<sub>0.75</sub>. The effects of operating temperatures on the coefficient of performance (COP) and specific heat power (SHP) of the system have been presented and analyzed. Subsequently, raising the medium-temperature heat sink (T<sub>M</sub>) from 358.15 K to 373.15 K, and low-temperature heat source (T<sub>L</sub>) from 308.15 K to 323.15 K, results in a decrease in the COP by 25.57%, and an increase in the COP by 38.2%, respectively. An optimum value of high-temperature heat source (T<sub>H</sub>) exists at 493.15 K for a maximum COP. In addition, the higher thermal conductivity increases the absorption and desorption capacity of hydrogen.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 1146-1159"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

In situ observation and kinetic modeling of the fundamental mechanisms underlying hydrogen sorption in forged Mg–Mg2Ni composites 锻造镁-镁-2镍复合材料中氢吸附基本机制的原位观测和动力学建模

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.118

Jing Wen , Patricia de Rango , Nathalie Allain , Marc Novelli , Thierry Grosdidier , Laetitia Laversenne

{"title":"In situ observation and kinetic modeling of the fundamental mechanisms underlying hydrogen sorption in forged Mg–Mg2Ni composites","authors":"Jing Wen , Patricia de Rango , Nathalie Allain , Marc Novelli , Thierry Grosdidier , Laetitia Laversenne","doi":"10.1016/j.ijhydene.2024.11.118","DOIUrl":"10.1016/j.ijhydene.2024.11.118","url":null,"abstract":"<div><div>While Mg–Mg<sub>2</sub>Ni composites are promising for hydrogen storage, their implementation is hindered by our incomplete understanding of absorption/desorption kinetics. Here, we combine <em>in situ</em> neutron diffraction with kinetic and microstructural analyses to uncover the sorption mechanism of deuterated hydrogen D<sub>2</sub> in a Mg–Mg<sub>2</sub>Ni composite processed by fast forging. Phase transitions upon first absorption are found to be different from subsequent absorptions. The first absorption involves rapid formation of Mg<sub>2</sub>NiD<sub>0.3-<em>x</em></sub> followed by simultaneous formation of MgD<sub>2</sub> and Mg<sub>2</sub>NiD<sub>4</sub>. Kinetic modeling indicates that surface nucleation of the magnesium hydride is rate-limiting. Subsequent absorptions involve two phases, Mg and Mg<sub>2</sub>NiD<sub>0.3-<em>x</em></sub>, which promote absorption. Kinetic modeling and microstructure analysis indicate that (1) MgD<sub>2</sub> nucleation occurs at the Mg–Mg<sub>2</sub>NiD<sub>0.3-<em>x</em></sub> interface and (2) Mg<sub>2</sub>NiD<sub>4</sub> formation is kinetically controlled by deuterium diffusion through the growing Mg<sub>2</sub>NiD<sub>4</sub> plate. In all desorptions, deuterium release starts by rapid decomposition of Mg<sub>2</sub>NiD<sub>4</sub> into Mg<sub>2</sub>NiD<sub>0.3-<em>x</em></sub>, followed by slower MgD<sub>2</sub> decomposition.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 1160-1173"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Non-adiabatic effect on NOx emissions for premixed H2-blended NH3/air combustion under rich-lean-staged conditions 在富余-贫乏阶段条件下，预混 H2 混合 NH3/ 空气燃烧的非绝热效应对氮氧化物排放的影响

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.164

Zhaoxing Li, Yang Zhang, Hai Zhang

引用次数: 0

Impact of petroleum versus bio-based nano/microplastics on fermentative biohydrogen production from sludge 石油与生物基纳米/微塑料对污泥发酵生物制氢的影响

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.064

Monisha Alam, Alsayed Mostafa, Bipro Ranjan Dhar

{"title":"Impact of petroleum versus bio-based nano/microplastics on fermentative biohydrogen production from sludge","authors":"Monisha Alam, Alsayed Mostafa, Bipro Ranjan Dhar","doi":"10.1016/j.ijhydene.2024.11.064","DOIUrl":"10.1016/j.ijhydene.2024.11.064","url":null,"abstract":"<div><div>Biohydrogen production via dark fermentation offers a promising route for waste-to-bioenergy. The impact of emerging contaminants like microplastics (MPs) and nanoplastics (NPs) in the waste on fermentative hydrogen production has not been thoroughly examined. Notably, a systematic comparison between petroleum-based and bio-based MPs/NPs in the hydrogen fermentation process has not yet been explored. We investigated the effects of petroleum-derived polyethylene MPs, polyvinyl chloride MPs, polystyrene NPs, and bio-based polyhydroxy butyrate and polylactic acid MPs, at low and high concentrations, on hydrogen production from primary sludge. Inhibition of hydrogen production ranged from 8.2% to 82.4%, with high concentrations of petro-based MPs/NPs causing more significant inhibition. Bio-based MPs exhibited lower inhibition compared to petro-based MPs/NPs. PsNPs at 0.3 mg/L exhibited the highest inhibition, accompanied by the highest increase (77.3%) in reactive oxygen species compared to the control. High levels of MPs/NPs increased extracellular polymeric substance production, indicating a protective response to toxicity. These findings highlight the importance of studying how emerging MPs/NPs pollutants in wastewater sludge impact fermentative hydrogen production and sludge properties.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 959-970"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced catalytic activity of NiSe2 by nanohybrid formation with CoO nanosheets towards overall electrocatalytic water splitting for clean energy 通过与 CoO 纳米片形成纳米杂化作用增强 NiSe2 的催化活性，实现清洁能源的整体电催化水分离

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.147

Zahrah Alhalili , Mohammad Shariq , Noha Al-Qasmi , Othman Hakami , Hussain J. Alathlawi , Abdulrahman F. Alharbi , Ebtihal A. Mergani , Ezdehar A. Elghazali , Afaf I. Elghazali , Ibrahim Mahariq

{"title":"Enhanced catalytic activity of NiSe2 by nanohybrid formation with CoO nanosheets towards overall electrocatalytic water splitting for clean energy","authors":"Zahrah Alhalili , Mohammad Shariq , Noha Al-Qasmi , Othman Hakami , Hussain J. Alathlawi , Abdulrahman F. Alharbi , Ebtihal A. Mergani , Ezdehar A. Elghazali , Afaf I. Elghazali , Ibrahim Mahariq","doi":"10.1016/j.ijhydene.2024.11.147","DOIUrl":"10.1016/j.ijhydene.2024.11.147","url":null,"abstract":"<div><div>Noble metal-free catalysts have recently attracted much attention towards overall electrochemical water splitting. However, poor kinetics of the reactions, involved in water splitting leads to lower hydrogen production in alkaline electrolytes. Hence, it is essential to design highly active, conductive and cost-efficient catalysts for water electrolysis. Therefore, a bifunctional electrocatalyst based on cobalt oxide (CoO) incorporated over nickel selenide (NiSe<sub>2</sub>) supported on nickel foam (CoO/NiSe<sub>2</sub>/NF) was synthesized via a two-step process involving hydrothermal and electrochemical deposition methods. The synthesized material was characterized thoroughly using XRD, XPS, SEM and FE-SEM. After thorough characterization, all the synthesized materials were employed as electrocatalysts towards overall water splitting. The electrochemical studies revealed that CoO/NiSe<sub>2</sub>/NF has demonstrated excellent electrocatalytic activity towards overall electrochemical water splitting. The improved electrochemical activity of nano-hybrid could be attributed to heterogeneous structure, enhanced edge sites and the synergetic cooperation of CoO and NiSe<sub>2</sub>. Finally, two electrode setups were prepared to perform overall water electrolysis in which CoO/NiSe<sub>2</sub>/NF need a cell potential of 2.03 V to attain 100 mA cm<sup>−2</sup>. The study proposes an approach for heterogeneous structure engineering to boost the catalytic performance of noble metal-free materials.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 997-1004"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Porous transport layers with low Pt loading having Nb–Ta alloy as interlayer for proton exchange membrane water electrolyzers 用于质子交换膜水电解槽的以 Nb-Ta 合金为中间层的低铂载量多孔传输层

IF 8.1 2区工程技术

International Journal of Hydrogen Energy Pub Date : 2024-11-16 DOI: 10.1016/j.ijhydene.2024.11.192

Leila Moradizadeh , Pramoth Varsan Madhavan , Yasin Mehdizadeh Chellehbari , Abhay Gupta , Xianguo Li , Samaneh Shahgaldi

{"title":"Porous transport layers with low Pt loading having Nb–Ta alloy as interlayer for proton exchange membrane water electrolyzers","authors":"Leila Moradizadeh , Pramoth Varsan Madhavan , Yasin Mehdizadeh Chellehbari , Abhay Gupta , Xianguo Li , Samaneh Shahgaldi","doi":"10.1016/j.ijhydene.2024.11.192","DOIUrl":"10.1016/j.ijhydene.2024.11.192","url":null,"abstract":"<div><div>Titanium (Ti), commercially used as substrate for porous transport layers (PTLs) in proton exchange membrane water electrolyzers (PEMWEs), tends to form passivating oxide layer, increasing interfacial contact resistance (ICR) and reducing performance and durability; practice of using precious metal coatings for mitigation significantly increases costs. This study investigates niobium-tantalum (Nb–Ta) alloys as cost-effective interlayer coatings on Ti-felt to reduce precious metal loading. Nb–Ta coated samples significantly increase corrosion potential, lower current densities by 3–4 orders of magnitude, reduce ICR by 3.5 times, and improve durability. The best performance sample with an ultra-low amount of platinum, shows 8 times greater durability, 12.5% reduction in ohmic resistance and 28% increase in current density at +2.0 V than the commercial PTL in a single cell stack. Improved contact angle, electrical, and thermal conductivity highlight Nb–Ta interlayer coatings for PTLs, offering a cost-effective strategy to enhance PEMWE performance and durability for green hydrogen production.</div></div>","PeriodicalId":337,"journal":{"name":"International Journal of Hydrogen Energy","volume":"94 ","pages":"Pages 1114-1129"},"PeriodicalIF":8.1,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142657253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0