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Chemistry, Physical
Donghyung Kim et al.
Summary: This study demonstrated the switching of charge transfer mechanism from the Z-scheme to type II through simple boron doping of C3N4/ZnO. The introduction of low-electronegativity boron into C3N4 increased its Fermi level by 0.4 V, leading to a reversed band bending direction at the C3N4/ZnO junction. The resulting type II B-doped C3N4/ZnO showed a stable, drastic increase in photocatalytic hydrogen evolution rate, approximately 2.9 times higher than undoped C3N4/ZnO.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Rongchen Shen et al.
Summary: The shell-thickness-controlled Ni3C@Ni/g-C3N4 photocatalysts were designed with intimate Schottky junctions using an in situ high-temperature transformation strategy. Optimized Ni shell-layer thickness of 15 nm achieved the best visible-light photocatalytic H2-production performance. The intimate Schottky-junctions hinder rapid charge recombination, increase reactive sites, and boost catalytic kinetics, leading to shellthickness-dependent hydrogen evolution.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Ana Laura G. Biancolli et al.
Summary: The study investigated the effect of radiation-induced grafting (RIG) method on the properties of anion-exchange membranes (AEM), finding that the grafting method determines the physicochemical properties of AEM, which in turn affect the performance and stability of fuel cells.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Mrittunjoy Sarker et al.
Summary: Enabling fuel cell operation at high current density requires addressing liquid water management issues, with PTFE impregnation and MPL showing potential performance improvements. Studies using experimental and computational techniques have revealed the effects of these materials, and a model has been developed to simulate fuel cell performance.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Jing Liu et al.
Summary: FeNi-NC catalyst exhibits excellent activity and stability in the oxygen reduction reaction, especially in phosphoric acid electrolyte. Ni plays a crucial role in improving the ORR activity and stability by promoting graphitization during the high temperature carbonization process.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Hongming Zhang et al.
Summary: A highly efficient catalyst composed of carbon nanospheres supporting ultrafine bimetallic Pt-Co nanoparticles was successfully synthesized for hydrogen evolution from NaBH4 hydrolysis in this study. The catalyst exhibited outstanding performance in kinetic and thermodynamic tests, with high hydrogen generation rate and low activation energy. The hydrolytic mechanism was investigated using isotopic tracer method and mass spectrometric analysis, showing that the catalyst maintained high catalytic activity even after five cycles of performance tests.
APPLIED SURFACE SCIENCE
(2021)
Article
Engineering, Environmental
Ke Wang et al.
Summary: This study developed a novel graphene-guided nucleation and growth process to prepare N-doped Nb2O5 nanorods, which significantly improved the hydrogen storage properties of MgH2. MgH2 doped with the nanorods released a substantial amount of hydrogen at lower temperatures, and demonstrated faster kinetics in reloading hydrogen.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Chao Su et al.
Summary: Hierarchically porous carbon microspheres with trace amount of encapsulated cobalt exhibit highly active and stable electrocatalytic performance for oxygen reduction reactions (ORR) under wide pH conditions. The catalysts show competitive catalytic activity, superb durability, and methanol tolerance compared to benchmark Pt/C catalyst, even in harsh acidic environments, due to abundant active sites provided by rich surface defects and hierarchically porous structure. The in situ formed cobalt nanoparticles play a crucial role in creating mesopores, high specific surface area, and catalytically active defect sites over the carbon material, further enhancing the ORR activity of the catalysts with negligible cost impact.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Analytical
Ceren Karaman
Summary: Nitrogen and sulfur co-doped carbon dots were synthesized using waste orange peel as a natural carbon precursor, and anchored to three-dimensional graphene networks to enhance electrocatalytic activity. The synergistic utilization of heteroatoms and interconnected 3D architecture resulted in superior oxygen reduction reaction activity in the alkaline media. This study demonstrates the potential of converting low-value agricultural wastes into value-added materials for energy applications.
Article
Thermodynamics
Zhongmin Wan et al.
Summary: Metal foam as a flow distributor in PEMFC has shown potential in improving reactant and temperature distributions, but the optimal arrangement has not been considered. Using nickel metal foam in different configurations showed improved temperature distribution and increased fuel utilization rate. The arrangement of metal foam, especially in high humidity conditions, significantly impacts the performance of the PEMFC.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Chemistry, Inorganic & Nuclear
Selvasundarasekar Sam Sankar et al.
Summary: The study successfully synthesized Fe-ZIF-67 NF catalysts with high efficiency and stability in oxygen evolution reaction, providing a new pathway for exploring efficient non-noble metal catalysts for energy-related applications.
INORGANIC CHEMISTRY
(2021)
Review
Energy & Fuels
Rasidi Sule et al.
Summary: Metal-organic frameworks (MOF) show promise as green engineering materials but face challenges in fuel cell technologies. Experimental research has shown a 50% reduction in density of compacted MOFs compared to their theoretical crystal density, leading to decreased H2 storage capacities. Further investigation into the consolidation of MOFs is needed to meet the 2025 DoE target.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Physical
Ki Beom Park et al.
Summary: The study investigated microstructures, hydrogen absorption kinetics, and oxide layers of TiFe and Ti1.2Fe hydrogen storage alloys. Compared to TiFe alloy, Ti1.2Fe alloy with three phases showed better hydrogen absorption performance. The concentration of Ti in the oxide layer was found to be crucial for improving hydrogen absorption kinetics.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Wen Ren et al.
Summary: In this study, a Cu-BTC/graphene aerogel (GA) composite with improved hydrogen uptake at 100 bar was prepared at room temperature, attributed to enhanced hydrogen uptake in the interface region between Cu-BTC and GA. The grand canonical Monte Carlo simulation showed that the hydrogen uptake of the CuBTC/GA composites decreases as the number of graphene oxide (GO) layers increases, suggesting that fewer GO layers or thinner GA is favorable for hydrogen adsorption.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
M. Dragojlovic et al.
Summary: LiAlH4 with 5 wt% Fe2O3 showed significantly lower dehydrogenation temperature and released over 7 wt% H-2 in the temperature range of 143-154 degrees C. Various analytical methods were used to investigate the mechanisms of catalytic influence and electron transfer in the destabilization process.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Kun Yang et al.
Summary: Graphite and Fe2O3 were introduced into MgH2 powder by hydrogenation after magnetic grinding in this paper. The composite hydrogen storage materials were successfully prepared and analyzed for their physical structure. The addition of graphite and Fe2O3 can effectively improve the hydrolysis kinetics of MgH2 and increase the hydrolysis conversion rate.
INTERNATIONAL JOURNAL OF PHOTOENERGY
(2021)
Article
Polymer Science
Sanjay Bisht et al.
Summary: The study investigates the fabrication and performance of ternary composite membranes for use in proton exchange membrane fuel cells. By incorporating fillers such as MOF-5 and S-SiO2, the mechanical stability and proton conductivity of the membranes are significantly improved.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Physical
Yosuke Komatsu et al.
Summary: This study applied isostatic pressing to improve the electrodes in solid oxide fuel cells, finding that isostatic pressing effectively reduces electrode porosity, improves Ni connectivity, and increases active triple phase boundary density, thereby enhancing electrochemical performance. Additionally, pressing enhances electrode adhesion to the electrolyte.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Emir Dogdibegovic et al.
Summary: Research on metal-supported solid oxide fuel cells with symmetric architecture successfully scaled up the fuel cells from button cell size to large cell size, achieving equivalent performance. Improvement in the catalyst infiltration process enabled high-throughput manufacturing, replacing the cumbersome lab-scale molten nitrate infiltration process with a room-temperature process using stable aqueous nitrate solution application techniques.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Jidong Cao et al.
Summary: PtCoAu1.5 NWs with gold-modified surface exhibit significantly improved activity and stability, with a mass activity 11 times higher than commercial Pt/C, and the surface modification by trace Au atoms can suppress Co leaching, enhancing stability.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Multidisciplinary
Tahereh Barazandeh Behrooz et al.
Summary: This study successfully synthesized NiCo2O4 nanoparticles and NiCo2O4/TiO2 nanocomposites using a sonochemical method and investigated their electrochemical hydrogen storage performances in an aqueous medium. The results showed that NiCo2O4/TiO2 nanocomposites exhibited higher discharge capacity than NiCo2O4 nanostructures, indicating their potential for application in hydrogen storage. Various analyses were used to characterize the samples.
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
(2021)
Article
Materials Science, Multidisciplinary
Rosalin Rath et al.
Summary: This study successfully fabricated nanocomposite membranes with high ion exchange capacity and proton conductivity, suitable for fuel cell applications. The membranes demonstrated excellent conductivity at high temperatures, suppressed methanol crossover, and higher membrane selectivity compared to Nafion, suggesting their potential as an alternative in fuel cell applications.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Instruments & Instrumentation
Zheng Zhang et al.
Summary: The impurities in aluminum hydride can cause deterioration in its properties and stability. By using PIXE, XPS, and elemental analyzer, a study was conducted to identify elements and determine their concentration in AlH3 samples mixed with silicon. While XPS is useful for surface analysis, the elemental analyzer is more suitable for measuring bulk concentrations.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
(2021)
Review
Green & Sustainable Science & Technology
Aziz Nechache et al.
Summary: Solid oxide electrolysis cell is a leading technology for green hydrogen production through high temperature electrolysis, but optimization of existing materials and development of innovative materials are crucial for commercialization. Research focuses on alternative and innovative materials, particularly cathode-supported cell materials.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Green & Sustainable Science & Technology
Yang Ye et al.
Summary: This paper proposes a novel hydrogen storage reactor design using metal hydride materials, phase change materials, and a heat exchanger to enhance heat transfer efficiency and hydrogen storage performance; the results show that effective thermal conductivity plays a key role in improving heat transfer and reaction rates, and increasing hydrogen supply pressure can effectively accelerate hydrogen absorption rates.
Article
Polymer Science
Gi-Chul Park et al.
Summary: In this study, the pores of PTFE film were filled with SPEEK electrolyte molecules to prepare proton exchange membranes with enhanced mechanical, dimensional, and electrochemical stability for fuel cell applications. Various analyses were conducted to investigate the chemical composition, morphology, and wettability of the porous PTFE film. The prepared pore-filled electrolyte membranes showed superior mechanical and dimensional stability, leading to stable electrochemical cell performance over repeated wet/dry cycles.
Article
Multidisciplinary Sciences
Zhi-Peng Wu et al.
Summary: Alloying noble metals with non-noble metals can achieve high catalytic activity and reduce costs. The study shows that realloying plays a crucial role in enhancing the durability of certain multimetallic nanoalloys.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Ebrahim Abouzari-Lotf et al.
Summary: Two novel types of anion exchange membranes (AEMs) with imidazolium-type functionalised nanofibrous substrates were prepared using a simple and potentially scalable method. These membranes showed high ion exchange capacity and ionic conductivity, along with good stability. The membrane electrode assembly (MEA) with the optimal membrane exhibited high power density in AEM fuel cell.
SCIENTIFIC REPORTS
(2021)
Article
Energy & Fuels
Jasper Biemolt et al.
Summary: This study presents a unique anion-exchange membrane fuel cell (AEMFC) that only contains affordable and abundant materials, with high catalytic activity without the use of precious metals and critical raw materials, marking it as one of the best CRM-free AEMFCs reported to date.
Article
Materials Science, Ceramics
Zhongqi Zhu et al.
Summary: In this study, 8YSZ ceramic inks of varied compositions were developed for inkjet printing of SOFC ceramic electrolyte layers. PAANH(4) showed a better dispersion effect for the inks developed in this study. The inks demonstrated excellent printable performance in the actual printing process and maintained stability for over 30 days of storage period.
JOURNAL OF ADVANCED CERAMICS
(2021)
Article
Chemistry, Multidisciplinary
Animesh Hajari et al.
Summary: Ammonia borane is considered a potential hydrogen storage material due to its high hydrogen content, ease of handling, and moderate dehydrogenation temperature. By utilizing a cost-effective layered aluminosilicate support material, bentonite, the efficiency of dehydrogenation and regeneration processes of ammonia borane is increased, resulting in higher yield and purity of the regenerated compound.
Article
Chemistry, Physical
T. Huang et al.
Summary: In this study, one-dimensional NiMoO4 and CoMoO4 nanorods were introduced into MgH2 to enhance its hydrogen storage properties. It was found that NiMoO4 showed a superior promoting effect compared to CoMoO4, leading to lower dehydrogenation temperature and faster kinetics. The dual roles of Mo-0 in MgH2 were also identified, accelerating the hydrogen storage kinetics.
MATERIALS TODAY ENERGY
(2021)
Article
Multidisciplinary Sciences
Leonard Jean Moriau et al.
Summary: The complexity of commercially available platinum-based electrocatalysts and their electrochemical behavior has been studied, revealing challenges in understanding the structure-property relationships. A bottom-up approach has been introduced to provide a new level of understanding of the structure-stability relationships of nanoparticulate systems.
Article
Nanoscience & Nanotechnology
Stavroula Kampouri et al.
Summary: The photocatalytic performance of MOF-based systems can be enhanced through the construction of MOF/MOF heterojunctions. The MIL-167/MIL-125-NH2 heterojunction exhibits efficient photocatalytic H2 production under visible-light irradiation without the need for any cocatalysts.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Xiaoqing Gu et al.
Summary: A metal-free bifunctional photoassisted catalyst of a polyaniline/carbon dots composite was used for overall water splitting, achieving improved electrocatalytic performance under visible light conditions.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Panyong Kuang et al.
Summary: This study demonstrates the tailoring of the electronic structure of Pt single atoms supported on N-doped mesoporous hollow carbon spheres through strong EMSI engineering, leading to the Pt-1/NMHCS composite exhibiting higher activity and stability in catalyzing the electrocatalytic hydrogen evolution reaction compared to Pt-NP and commercial Pt/C. The strong EMSI effect in a unique N-1-Pt-1-C-2 coordination structure significantly modifies the electronic structure of Pt 5d states, enhancing the reduction of adsorbed proton and facilitating H-H coupling for Pt-like HER activity.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Physical
Manuel Iglesias et al.
Summary: Formic acid is a potential liquid organic hydrogen carrier with high volumetric concentration of H-2, which allows for safe storage and transportation of hydrogen. Research on selective catalytic dehydrogenation of formic acid using precious metal catalysts has gained attention. Development of catalytic systems based on non-precious metals is also of interest.
Article
Thermodynamics
Rui Lin et al.
Summary: The appropriate PTFE gradient design significantly improves the performance of the MEA. Low PTFE content leads to inefficient hydrophobic nano particle distribution, while excessive PTFE causes active site losses.
Article
Thermodynamics
Quanrong Fu et al.
Summary: The study developed a fully coupled multi-field model to predict the performance degradation of SOFC due to Ni-particle coarsening, addressing the long-term stability and durability challenges. Results demonstrated that optimizing operating conditions and anode microstructure can enhance electrical performance and reduce degradation rate of SOFC.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Review
Chemistry, Physical
Meena Nemiwal et al.
Summary: The paper reviews recent advances in graphene-based electrocatalysts for hydrogen evolution reaction and overall water splitting, focusing on strategies for optimizing electrocatalytic properties and discussing challenges and future prospects.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
C. A. Ramirez-Herrera et al.
Summary: PP nanocomposites with MWCNT and/or CNF, fabricated by melt mixing, show enhancements in hardness, elastic modulus, and strength, with slow degradation in PEMFC environments. Based on the results, PP/20MWCNT, PP/21.5MWCNT, and PP/15MWCNT/15CNF nanocomposites are ideal choices for producing bipolar plates for PEMFCs.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Hao Qi et al.
Summary: This paper investigates the decoration of superalkali NLi4 on graphene and its hydrogen storage properties using first principles calculations. The results show that NLi4 can be stably anchored on graphene, providing more adsorption sites for hydrogen. Each NLi4 unit can adsorb up to 10 H2 molecules, with high reversible storage capacities suitable for ambient temperature hydrogen storage.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Zheng Qingrong et al.
Summary: Experiments were conducted on developing an on board MOFs hydrogen storage system by cryo-adsorption. MIL-101 was synthesized and structural characterization was performed. Results showed that using a conformable vessel equipped with a honeycomb heat exchanging device is a feasible solution for on board MOFs hydrogen storage system.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Debashis Mahato et al.
Summary: Sluggish kinetics and catalyst instability in oxygen reduction reaction are major challenges in fuel cell and metal-air battery technologies. The synthesized composite S,N-GQD/TiO2/C-800 shows outstanding catalytic activity and stability, attributed to the well-built interactivity between the components and carbon support, offering advantages in terms of electrical conductivity, surface area, and charge transfer kinetics.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Serge Nyallang Nyamsi et al.
Summary: MgH2-based hydrogen storage materials, such as the TiH2 and MgH2 graphite-modified composite prepared by HRBM, show high reversible gravimetric H storage capacity, fast hydrogenation/dehydrogenation kinetics, and excellent cycle stability. Through optimal thermal management conditions, a nanocomposite with a maximum hydrogen storage capacity of 6.3 wt% H was successfully prepared and demonstrated good H2 desorption performance.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Satyaki Chandra et al.
Summary: The study focuses on scaling-up a 5 kg LaNi5 reactor to a 25 kg one by adjusting the tank outer diameter and the number of fins. A design with a tank OD of 114.3 mm and 60 fins shows the best performance, reducing saturation time by 57-58% compared to a proportionally scaled-up design. Connecting five units of the Reference Design in series reduces saturation time by around 60%.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Xin Ding et al.
Summary: Transition metals and rare-earth elements have excellent catalytic effects on improving the de-/hydrogenation properties of Mg-based alloys. The addition of La in Mg98Ni2 alloy improves the overall hydrogen storage properties. La enhances the driving force of hydrogenation, leading to improved hydrogenation rates and capacities. The formation of refined eutectic structures and high-density LaH3 nanophses contribute to the enhanced de-/hydrogenation properties.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Thermodynamics
Rabya Aslam
Summary: The high pressure density data of six potential liquid organic hydrogen carrier systems were measured and correlated using the Tait equation. The experimental data were compared with correlated data, resulting in small deviations and high accuracy.
INTERNATIONAL JOURNAL OF THERMOPHYSICS
(2021)
Article
Chemistry, Physical
Yingyan Zhao et al.
Summary: Introducing multicomponent nanoparticles can significantly improve the de/hydrogenation kinetic properties of MgH2. The CoNi@C bimetallic nanoparticles show great potential in enhancing the hydrogen storage properties of MgH2, especially at low temperatures.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Kaaviah Manoharan et al.
Summary: This study focuses on the effective storage of hydrogen using NaBH4/Ah-BN nanocomposite, which shows enhanced specific surface area and favorable binding energy for hydrogen storage. Thermal analysis confirms a two-step dehydrogenation process, while electrochemical testing reveals high discharge capacity and hydrogen storage efficiency. Overall, the prepared NaBH4/Ah-BN nanocomposite demonstrates promising potential as a hydrogen storage system and electrode material for hydrogen fuel cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Tatiana L. Simonenko et al.
Summary: The formation process of planar solid electrolytes in the CeO2-Y2O3 system was studied using advanced printing technology with functional ink based on nanopowders. The microstructure and crystal structure of oxide nanoparticles were found to depend on yttrium concentration. The local electrophysical characteristics of the coatings were analyzed, and the technology shows promise for the production of modern solid oxide fuel cells.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
James R. Morse et al.
Summary: Chemically hydrogenated graphene shows promising potential as a hydrogen storage material, with various properties such as theoretical volumetric energy density, temperature and atmosphere dependence on hydrogen release, thermal expansion, and activation energy for release needing further investigation and evaluation. This research provides insight into the characterization of chemically hydrogenated graphene for its application as a hydrogen storage medium.
JOURNAL OF POWER SOURCES
(2021)
Article
Nanoscience & Nanotechnology
Po-Cheng Kang et al.
Summary: By introducing Pt nanoparticles onto MOF and manipulating their sizes, the hydrogen storage capacity has been significantly improved under high pressure, enhancing the storage effect of hydrogen at room temperature. It is found that the dispersion of Pt nanoparticles and the pore structure of MOF are crucial for hydrogen spillover effect.
ACS APPLIED NANO MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Fei Liu et al.
Summary: Silicon-based nanosheets were prepared using a topochemical method with different solvents, and decorated with Pd/Li particles in varying ratios. The deposited Pd grains on the nanosheets transformed from dispersion particles to aggregation, significantly enhancing the hydrogen storage property. The 13 wt% Pd/Li decorated alloy demonstrated high adsorption property of 4.5 wt% and superior hydriding kinetic property, attributed to the strong physical adsorption and spillover mechanism of Pd/Li particles on the substrate. Additionally, the hydrogen storage mechanism of Pd/Li particles decorated on silicon-based nanosheets is related to electrostatic interaction induced by the strong local electric field.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2021)
Article
Multidisciplinary Sciences
Gege Yang et al.
Summary: The research uncovered the mechanism of the oxygen reduction reaction on dual-metal atomically dispersed Fe,Mn/N-C catalyst, demonstrating its excellent performance and durability in fuel cells and metal-air batteries.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Mengzhao Zhu et al.
Summary: The study introduces a hard-template method to synthesize rare-earth single cerium-atom-doped metal-organic frameworks with a hierarchically macro-meso-microporous structure, demonstrated by spherical aberration correction electron microscopy. The Ce sites embedded in the hierarchically macromeso-microporous N-doped carbon catalyst show high half-wave potential and power density in the oxygen reduction reaction.
Article
Chemistry, Physical
Dinh Chuong Nguyen et al.
Summary: The Co and Nb dual-doping strategy modifies the electronic structure of MoS2, enhancing the efficiency of the Co,Nb-MoS2/TiO2 HSs catalyst for hydrogen evolution, oxygen evolution reaction, and oxygen reduction reaction. The unique hollow spherical structure and synergistic effects between TiO2 core and MoS2 shell provide effective channels for electron transfer and facilitate ion diffusion.
Article
Energy & Fuels
Daming Zhao et al.
Summary: Researchers have successfully used doped carbon nitride-based Z-scheme heterostructures to split water and produce hydrogen, but coupling suitable H-2 and O-2 evolution components remains challenging.
Article
Metallurgy & Metallurgical Engineering
Jian Zhang et al.
Summary: This study confirms that doping low-valence transition metals into MgO can weaken Mg-H bonds and reduce energy required for hydrogen desorption, resulting in superior catalytic activity compared to TMOs and MgO. The hybridization between Mg(Nb)O and MgH2 promotes charge transfer, enhancing hydrogen storage performance with reduced activation energy and increased reversible capacity.
JOURNAL OF MAGNESIUM AND ALLOYS
(2021)
Article
Nanoscience & Nanotechnology
Serdar Akbayrak et al.
Summary: The development of a new platinum nanocatalyst with superb catalytic activity and excellent reusability for hydrogen generation from ammonia borane has been reported. The catalyst shows the highest turnover frequency among reported platinum nanocatalysts developed for this purpose.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Rui Lin et al.
Summary: Improving the durability of catalyst can be achieved through spatial protection and introduction of oxygen groups on the carrier, resulting in Pt-Co/3D rHPGO catalyst exhibiting a 2-fold enhancement in mass activity compared to commercial Pt/C catalyst. After accelerated durability test, Pt-Co/3D rHPGO catalyst showed minimal performance loss, indicating splendid durability.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Materials Science, Multidisciplinary
Sai Smruti Samantaray et al.
Summary: Experimental studies and DFT calculations were conducted to investigate the hydrogen storage properties of graphene supported MgNi alloy nanoparticles nanocomposites. The results showed a significant enhancement in hydrogen storage capacity, with DFT calculations shedding light on the underlying adsorption mechanism.
Article
Chemistry, Physical
Irina Borbath et al.
Summary: The study focused on the effect of different types of carbon materials and various mixed oxide/carbon ratios on the structure and electrochemical performance of Ti0.8M0.2O2-C composites as supports for Pt-based fuel cell electrocatalysts. Results showed that catalysts containing 75 wt.% of Ti0.8Mo0.2O2 had better CO tolerance, while catalysts with high carbon content (75 wt.%) exhibited a more homogeneous microstructure for enhanced long-term stability. In conclusion, Pt electrocatalysts based on Black Pearls with a Ti0.8Mo0.2O2/C ratio of 25/75 appear to be the most promising.
APPLIED CATALYSIS A-GENERAL
(2021)
Article
Chemistry, Physical
Weiju Hao et al.
Summary: The introduction of boron into Fe-Ni solid solution nanosheets to form B-FeNi@HS greatly enhances the catalytic activity for water splitting, with excellent stability and high efficiency.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Xiang Liu et al.
Summary: MoS2 nanosheets are grown in situ on porous g-C3N4 surface, forming special vertical structures that promote the separation of photoinduced carriers and enhance H-2 evolution efficiency.
APPLIED SURFACE SCIENCE
(2021)
Article
Engineering, Environmental
Kaiqing Dai et al.
Summary: A non-noble metal-based bifunctional electrocatalyst Co/CoO@NC@CC has been designed and synthesized for boosting both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) simultaneously, showing superior activities and stability in overall water splitting. The catalyst exhibits efficient electron transfer, low overpotentials, and only requires a small cell voltage for driving water splitting, making it a promising candidate for practical applications.
CHEMICAL ENGINEERING JOURNAL
(2021)
Review
Energy & Fuels
Ana L. Santos et al.
Summary: Environmental concerns have made the search for cleaner energy sources a top priority worldwide. Hydrogen, with its high energy content, is a well-known energy carrier, but the efficiency of its production through electrolysis, particularly alkaline water electrolysis, still has room for improvement. Optimizing cell components and operating conditions is key to enhancing electrolyzer efficiency.
Review
Energy & Fuels
Muhammad Aziz
Summary: Decarbonization is crucial for reducing greenhouse gas emissions and establishing a zero-carbon society. Hydrogen is seen as a promising secondary energy source that offers high energy density and purity. Liquid hydrogen is gaining attention due to the need for long-term storage, long-distance transportation, and economic feasibility.
Article
Thermodynamics
Yeonsu Kwak et al.
Summary: The study investigated the dehydrogenation characteristics of different homocyclic LOHCs, focusing on four LOHCs for comparative analysis. Post-mortem analyses on the catalyst, physicochemical properties of LOHCs, energy analysis, and economic assessment were discussed, suggesting a strategy for promoting the practical use of homocyclic LOHCs in a maritime transport scenario.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Energy & Fuels
Qichang Wang et al.
Summary: Carbon-based electrocatalysts derived from biomass show promise for hydrogen evolution reaction (HER), especially when decorated with transition metals and trace amounts of precious metals to enhance activity. However, challenges remain in understanding conversion mechanisms, metal modifications, reproducibility, and integration with renewable energy equipment.
Review
Biochemistry & Molecular Biology
Babak Jaleh et al.
Summary: In recent decades, concerns about environmental damages of fossil fuels, increasing CO2 emissions, and decreasing hydrogen have been growing. Biodegradable polymers, particularly polysaccharides and proteins, are increasingly being used in hydrogen production due to their ecofriendly properties. Green and facile hydrogen production techniques, such as electrochemical HER, photocatalysis, and hydride hydrolysis, are gaining attention.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Chemistry, Physical
Kui Wu et al.
Summary: In this study, Pt supported on Mg-Al oxide catalysts were prepared to enhance the hydrogen evolution rate in the dehydrogenation of methylcyclohexane (MCH). The effects of the co-precipitation reaction time during the preparation of Mg-Al hydrotalcite on their structural properties were studied, showing increased pore diameter and Pt dispersion with prolonged reaction time. The resultant catalysts exhibited high activity and stability in the dehydrogenation process.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Animesh Hajari et al.
Summary: Ammonia borane is a promising hydrogen storage material with high hydrogen content, but regeneration from dehydrogenated products is essential for sustainable use. In this work, acetone was used as a reagent to aid in the regeneration process of ammonia borane and its products, achieving an overall regeneration yield of 68% and a conversion yield of 83%.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
T. Solymosi et al.
Summary: Catalytically activated stainless steel plates are proposed as a promising alternative for LOHC dehydrogenation, offering better heat transport and higher activity compared to pellet catalysts. Modification with platinum sulfite and post-treatment with (NH4)(2)SO4 improved catalyst performance, reducing high-boiler formation and increasing activity by >35%. These findings could lead to the development of heat transfer plates for incorporation into future high-temperature fuel cell stacks.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Yasukazu Kobayashi et al.
Summary: The nano-sized TiFe hydrogen storage alloy was found to be more difficult to activate than the bulk powder, due to the stabilized oxidized surface layers of the nanoparticles preventing the morphological change necessary for activation.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Yanghuan Zhang et al.
Summary: Element substitution is an efficient method to enhance the activation property of TiFe alloys by partially replacing Fe with Zr, Mn, Ni and Ti with rare earth Sm. The addition of Sm refines the grain of the alloys and improves activation performance. The activation process can be further improved by partially replacing Ti with Sm, resulting in a shorter incubation period.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Ting Wang et al.
Summary: Borohydride nanoparticles were synthesized successfully using a modified ternary anti-precipitation method. The addition of a co-solvent and the carbon chain length of the stabilising surfactant play crucial roles in controlling particle size. This method offers an effective and simple way to prepare nanosized borohydride particles for hydrogen storage, while reducing the contamination of hydrogen release caused by stabilising surfactants.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Jiaguang Zheng et al.
Summary: In this study, multihydroxyl xylitol was chosen as a protic hydrogen carrier to react with NaBH4, leading to the fast liberation of hydrogen with high efficiency. The NaBH4-xylitol composites showed great potential to produce hydrogen under low temperatures through solid-state carriers, offering a promising approach for hydrogen storage and release applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Wan Yue et al.
Summary: In this study, a series of experiments were conducted to explore the degradation mechanism of the frame in the proton exchange membrane (PEM) fuel cell. It was found that acid solution contributes significantly to the failure of the frame, with peeling strength showing the most significant decline. The study reveals the degradation process of the frame for the first time, enhancing understanding of frame failure.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Chun-Sheng Wang et al.
Summary: This study explores the influence of reaction chamber shape and material on adsorption and desorption rates in chemisorptive hydrogen storage in metal hydrides. The results indicate that thermal diffusion is a limiting factor in the adsorption and desorption processes. A storage efficiency concept is proposed, and empirical correlations for predicting adsorption and desorption efficiency are developed. Additionally, a machine-learning based data model is presented for more accurate prediction of storage efficiency.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Shuai-Hui Li et al.
Summary: The study investigates the effects of catalyst preparation and reaction conditions on the hydrolysis rate of ammonia borane, leading to the discovery of optimal Ru/p-C catalysts with excellent catalytic performance, low activation energy, and high turnover frequency.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Ende Yu et al.
Summary: In this study using first-principles calculations, it was found that noble metals have thermodynamic stability in LiH hydride, with Pt-doped LiH showing dynamical stability. The introduction of noble metals improves electronic transfer performance of LiH and eliminates the band gap when H-1s state is induced to the Fermi level. Additionally, Pt doping enhances the optical activity of LiH for visible and infrared light.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Majid El Kassaoui et al.
Summary: MOFs, especially Zn-MOF-5, are considered promising materials due to their high surface area, porosity, pore size tunability, rigidity, flexibility, and thermal stability. However, issues such as low enthalpy change and desorption temperature hinder their use. This study presents a substitution approach to improve the thermodynamic properties of MOF-5, with results showing that Cd and Mg connectors can enhance stability and hydrogen adsorption capacity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Quan Yang et al.
Summary: The high-entropy cathode HEP has shown outstanding electrochemical performance in SOFCs, indicating promising potential applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Shuqing Zhou et al.
Summary: This study demonstrates a process for preparing a cobalt phosphide-supported Ru particulate nanocatalyst with abundant phosphorus vacancies, which shows excellent catalytic performance and high hydrogen generation rate in NaBH4 hydrolysis. The optimized catalyst has the lowest activation energy and good reusability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Engineering, Chemical
Kyu Ha Lee et al.
Summary: The study fabricated QPAEK/f-TiO2 composite membranes with varying contents of f-TiO2, and characterized their structure using different techniques. The addition of f-TiO2 enlarged the ion cluster and increased ion conductivity, with the maximum ion domain size and conductivity observed at 5wt% filler content.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Hiroshi Mizoguchi et al.
Summary: Transition metals, including platinum group carbonyl complexes, are important catalysts with theoretical and practical value, successfully applied in many organic synthesis reactions and reactions of oxidizing olefin compounds.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Xing Ma et al.
Summary: A general and facile strategy for the construction of high-loading single-atom catalysts with a tunable coordination microenvironment has been developed based on metal-organic frameworks. The well-accessible and atomically dispersed metal sites possess close proximity to photosensitive units, greatly accelerating charge transfer and promoting photocatalysis. The optimized Ni-1-S/MOF with a unique Ni(I) microenvironment presents excellent photocatalytic H-2 production activity, surpassing other counterparts.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Minghao Xie et al.
Summary: In this study, Pt-Co@Pt octahedral nanocrystals were successfully synthesized with an intermetallic Pt-Co core and an ultrathin Pt shell dominated by {111} facets on the surface. These nanocrystals showed significantly improved catalytic performance towards the oxygen reduction reaction compared to a commercial Pt/C catalyst, with a mass activity 13.4 times higher and a specific activity 29.5 times higher. Importantly, the mass activity of the nanocrystals only decreased by 21% after 30,000 cycles of accelerated durability testing, indicating their outstanding potential as catalysts for ORR and related reactions.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Kuthuru Suresh et al.
Summary: By improving packing efficiency and crystal size distributions, the hydrogen storage density of metal-organic frameworks (MOFs) can be significantly enhanced, maximizing storage capacity. System model projections show that engineering crystal morphology/size or using bimodal distributions of cubic crystal sizes can surpass the current volumetric capacity of compressed storage systems.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Materials Science, Multidisciplinary
Ki Beom Park et al.
Summary: This study investigated the effects of substituting Fe with Mn and Cr on the microstructure and first hydrogenation kinetics of a TiFe-based hydrogen storage alloy. Thermodynamic calculations and microstructure analysis were used to predict phase formation behaviors and observe trends in the first hydrogenation kinetics. It was found that both the microstructure and the percentage/composition of Laves phases in the alloys significantly influenced the first hydrogenation kinetics.
MATERIALS CHARACTERIZATION
(2021)
Article
Materials Science, Multidisciplinary
Yanghuan Zhang et al.
Summary: The addition of TiO2 in magnesium based materials improves the efficiency of mechanical milling and enhances the hydrogen storage performance, especially in the as-milled (x = 5) alloy. The alloy exhibits an amorphous and nanocrystalline structure, and the TiO2 content has a slight effect on the thermodynamic properties of the alloys. The optimal hydrogen storage property is shown in the as-milled (x = 5) alloy due to its minimum dehydrogenation apparent activation energy.
MATERIALS CHARACTERIZATION
(2021)
Article
Materials Science, Multidisciplinary
Arghya Narayan Banerjee et al.
Summary: In this study, a simple and cost-effective sputtering technique was used to fabricate metal-incorporated graphitic microporous carbon film, with differential resistance measurements carried out in H-2 ambient to observe high hydrogen uptake within the samples. The research found that the average number of graphene layers formed was dependent on sputtering parameters, leading to an increase in hydrogen adsorption due to various effects such as molecular hydrogen uptake at graphene layers, activation of more active sites in micropores, and promotion of molecular dissociation into atomic hydrogen by metal nanoparticles.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Jiao Li et al.
Summary: By using a high temperature thermal reduction method, Pd/N-rGO was synthesized and its hydrogen absorption-desorption cycle performance was investigated. The study showed that the decrease in hydrogen storage capacity after cycling was mainly due to the shedding and aggregation of palladium nanoparticles.
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Herbert Over
Summary: This passage discusses electrocatalytic water splitting and the use of RuO2 and IrO2 in the OER process under acidic conditions. It also touches on the microscopic understanding of corrosion processes and the rate-determining steps in OER over these oxides. Ultimately, it aims to uncover the material properties underlying observed electrochemical stability and activity.
Article
Chemistry, Multidisciplinary
Suresh Thangudu et al.
Summary: The successful conversion of dinitrogen to ammonia using a synthetic biomimetic metal-doped catalyst in a photochemical system offers a high yield and remarkable efficiency.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Energy & Fuels
Ruijie Gao et al.
Summary: The study focuses on loading platinum onto α-Fe2O3 to create a highly active and stable catalyst with dispersed Pt-Fe pair sites, which exhibits excellent catalytic performance and cycling stability in alkaline conditions.
Article
Chemistry, Multidisciplinary
Bhanu Chettri et al.
Summary: With the introduction of an external electric field, the h-BN bilayer shows enhanced average adsorption energy and desorption temperature, making it a promising candidate for hydrogen storage.
Article
Chemistry, Physical
Hao Li et al.
Summary: The oxygen reduction reaction (ORR) is crucial for fuel cell performance, with TMOs offering operational stability but lower activity compared to Pt-based electrocatalysts. The challenges in finding TMOs with high ORR activity lie in weaker oxygen binding on TMO surfaces and stronger electric field effects, making O-O bond breaking difficult. Experimental screening of 7,798 unique TMO compositions confirmed their lower activity compared to Pt.
Article
Chemistry, Multidisciplinary
Muhammad Yasir Mehboob et al.
Summary: The study investigated the hydrogen adsorption properties of alkaline earth metal-encapsulated Al12N12 nanoclusters, revealing that AEM encapsulation can enhance nonlinear optical reactions and thermodynamic adsorption properties, particularly with higher adsorption energy observed in Ca and Mg encapsulated cages.
JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY
(2021)
Article
Chemistry, Physical
Sacha Fop
Summary: Solid oxide proton conductors are crucial materials for hydrogen-based energy technologies, with various structure types including perovskite and derivatives. Recent reports show that these materials exhibit high ionic conductivity, offering potential for innovative discoveries.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Gabriel Rodrigues de Almeida Neto et al.
Summary: This study investigated the preparation of PEI-LaNi5 composite films for hydrogen storage, demonstrating that PEI films filled with LaNi5 are promising materials for this purpose. The membranes were successfully produced through solvent casting assisted by an ultrasonic bath, and the results showed that the film morphology remained unchanged after hydrogenation cycles.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Haitham M. El-Bery et al.
Summary: Incorporating conducting polymers with TiO2 has been recognized as a promising approach for fabricating efficient non-metal based photocatalysts. The optimized mass ratios in composites lead to higher H-2 evolution rates, significantly enhancing photocatalytic performance compared to bare TiO2. The wet incipient impregnation method shows potential for providing excellent interfaces for charge transfer between components in the synthesized composites.
Article
Chemistry, Multidisciplinary
Xin Zhang et al.
Summary: Using ultrafine magnesium hydride nanoparticles without scaffolds or supports, reversible hydrogen storage at ambient temperature with a capacity of 6.7 wt% was achieved, thanks to thermodynamic destabilization and decreased kinetic barriers. The nanoparticles exhibited stable and rapid hydrogen cycling behavior at 150 degrees C, showing a significant improvement compared to bulk MgH2. This study brings magnesium hydride closer to practical applications and introduces new pathways for fabricating sensitive nanoparticles.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Review
Chemistry, Inorganic & Nuclear
Umit B. Demirci
Summary: Ammonia borane (AB) was discovered in the 1950s, but its potential as a chemical hydrogen storage material was only recognized in the 2000s. It has complex decomposition mechanisms, with recent studies providing insights into the process and potential strategies for destabilization to release pure hydrogen. This understanding is crucial for technological progress in utilizing AB for hydrogen storage.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Nanoscience & Nanotechnology
Jianguang Yuan et al.
Summary: By introducing Ni/MWCNTs catalyst into Mg(BH4)(2), the hydrogen desorption rates were significantly improved, and the 95M@5NiMWCNTs sample showed the best hydrogen storage performance.
ACS APPLIED NANO MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Qiwen Lai et al.
Summary: The thermodynamic behavior of complex borohydrides confined in mesoporous hollow carbon spheres was investigated, showing no variation of equilibrium plateau pressure upon changes in the hydrogen sorption temperatures. This is interpreted as a result of the high pressure within the carbon nanopores, providing a means to control the thermodynamics of nanosized hydrides.
ACS APPLIED NANO MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Haridas Parse et al.
Summary: The study presents the development of an efficient electrocatalyst for the electroreduction of oxygen in low-temperature fuel cells by self-decoration of TiO2 on the surface and in between layers of nitrogen (-N), sulfur (-S) co-doped MXene (Ti3C2) to form Ti3C2/NSCD-600 nanocomposite. The optimized nanocomposite exhibits improved catalytic performance, faster kinetics, and better cycling stability compared to state-of-the-art catalyst (Pt/C), demonstrating potential for energy generation in low-temperature FCs.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Physical
Junpei Miyake et al.
Summary: Reinforced membranes composed of SPP-QP-PE showed high proton conductivity, mechanical toughness, and gas impermeability, performing well in fuel cells under high operating conditions. The use of SPP-QP with higher ion exchange capacity led to improved fuel cell performance even at low humidified conditions.
Article
Chemistry, Applied
Shibo Li et al.
Summary: A new class of hierarchically skeletal Pt-Ni nanocrystals with enhanced activity and stability has been successfully synthesized by adding H2SO4, showing promising potential for significant improvements of Pt based alloy electrocatalysts in fuel cell applications.
CHINESE JOURNAL OF CATALYSIS
(2021)
Article
Chemistry, Physical
Hee Soo Kim et al.
Summary: This study reports a novel FeSiNC catalyst with excellent oxygen reduction reaction activity in zinc-air and fuel cells, comparable to the most efficient non-Pt-based catalysts, and exhibits outstanding performance in single-cell devices.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Inorganic & Nuclear
Xinglin Yang et al.
Summary: The hydrogen storage performance of MgH2 can be effectively improved by doping with a flake Ni nano-catalyst, achieving high hydrogen release and absorption rates at elevated temperatures. The addition of Ni also lowers the activation energies for hydrogen absorption and dehydrogenation, while forming Mg2Ni/Mg2NiH4 on the surface to act as a hydrogen pump, accelerating the reaction rates.
DALTON TRANSACTIONS
(2021)
Review
Chemistry, Physical
Pradnya M. Bodhankar et al.
Summary: This review discusses the potential of using highly active nickel-iron layered double hydroxide (NiFe LDH) catalyst for electrochemical water splitting and offers recommendations for improving its performance through various methods. NiFe LDH catalysts show promise in the future hydrogen economy.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Diana-Maria Amaya-Duenas et al.
Summary: The study focused on the synthesis and characterization of A-site deficient lanthanum strontium chromite perovskite La0.65Sr0.3Cr0.85Ni0.15O3-delta (L65SCrN) decorated with Ni nanoparticles for solid oxide cells, as well as evaluating its performance by various analytical techniques. The fuel electrode based on L65SCrN demonstrated comparable electrochemical performance to state-of-the-art Ni-based cermets on an ESC, showing promise for SOC applications. Further research on Ni exsolution in doped chromites is suggested for optimizing the size of Ni nanoparticles.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Xiaohong Chen et al.
Summary: Carbon materials have great potential for hydrogen storage due to their specific surface areas, weight, and mechanical properties. The utilization of nanoporous structures, doped heteroatoms, and decorated metal nanoparticles can significantly improve the hydrogen absorption performance. In this study, Li-fluorine codoped porous carbon nanofibers (Li-F-PCNFs) were synthesized to enhance hydrogen storage capacity, demonstrating promising applications in fuel cells.
Review
Chemistry, Physical
Pradnya M. Bodhankar et al.
Summary: This review highlights the significance of highly efficient NiFe LDH catalysts in electrochemical water splitting and discusses various strategies to enhance their electrocatalytic performance. The emphasis is on practical challenges and future prospects for the development and scale-up of NiFe LDH catalysts for industrial electrolyzer applications.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Materials Science, Coatings & Films
Rui Chen et al.
Summary: This study investigates the deposition of high-performance Bi2O3-based electrolytes using plasma spraying at low temperature, showing that the deposition temperature affects the microstructure, crystalline stability, and ion conductivity of the electrolytes. The as-sprayed YSB electrolytes exhibit dense microstructure with well-bonded lamellar interfaces, and the pure delta-phase YSB electrolyte shows excellent ionic conductivity at 700 degrees C compared to sintered bulk.
JOURNAL OF THERMAL SPRAY TECHNOLOGY
(2021)
Article
Thermodynamics
Anna Sciazko et al.
Summary: This study investigated the correlation between changes in microstructure and degradation of electrochemical performance for Ni-GDC and Ni-YSZ electrodes in SOC operation. The degradation mechanisms associated with the Ni phase were found to be similar for both electrodes, while the stability of the ceramic phase differed significantly between the two materials.
JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY
(2021)
Article
Chemistry, Physical
Hector Noe Fernandez-Escamilla et al.
Summary: The research found that graphitic N sites prefer the two-electron pathway, while pyridinic N sites lead to the four-electron pathway. The results indicate the significance of dangling bonds and/or pentagonal C rings in selectivity towards the four-electron pathway.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Applied
Min Wang et al.
Summary: By utilizing a sulfur-mediated photodeposition method, NiS cocatalysts were successfully deposited in situ on the g-C3N4 surface, providing more active sites for H-2 production. The reaction was conducted at room temperature using solar energy, and the synthesized NiS/g-C3N4 photocatalyst achieved excellent hydrogen generation performance, demonstrating the versatility and efficiency of this approach for synthesizing high-efficiency photocatalysts.
CHINESE JOURNAL OF CATALYSIS
(2021)
Review
Chemistry, Multidisciplinary
Qi Wang et al.
Review
Chemistry, Multidisciplinary
Suraj Gupta et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Review
Chemistry, Multidisciplinary
Jing Zhu et al.
Article
Chemistry, Multidisciplinary
Yongyang Zhu et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Physical
Jan Kosco et al.
Review
Engineering, Chemical
Joern Brauns et al.
Article
Chemistry, Applied
Hongen Yu et al.
JOURNAL OF ENERGY CHEMISTRY
(2020)
Article
Chemistry, Physical
Heng Liu et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2020)
Review
Chemistry, Multidisciplinary
Zheng Li et al.
ADVANCED MATERIALS INTERFACES
(2020)
Review
Chemistry, Physical
Thang Phan Nguyen et al.
MOLECULAR CATALYSIS
(2020)
Review
Environmental Sciences
Wenjing Liu et al.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2020)
Review
Chemistry, Physical
Liu Zhou et al.
Article
Chemistry, Physical
Ricardo Floriano et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2020)
Review
Multidisciplinary Sciences
A. Hauch et al.
Editorial Material
Electrochemistry
K. Kamlungsua et al.
Review
Materials Science, Multidisciplinary
Giuseppe Sdanghi et al.
C-JOURNAL OF CARBON RESEARCH
(2020)
Article
Chemistry, Physical
Nabil Khossossi et al.
SUSTAINABLE ENERGY & FUELS
(2020)
Review
Nanoscience & Nanotechnology
Qing Zhu et al.
ACS APPLIED NANO MATERIALS
(2020)
Review
Chemistry, Multidisciplinary
Ting Zhang et al.
MATERIALS CHEMISTRY FRONTIERS
(2020)
Article
Chemistry, Physical
D. P. Broom et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2019)
Review
Chemistry, Physical
San Ping Jiang
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2019)
Review
Polymer Science
Kimberley Cousins et al.
Review
Electrochemistry
Siti Salwa Hashim et al.
Review
Chemistry, Physical
J. O. Abe et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2019)
Article
Biochemistry & Molecular Biology
Kenta Goto et al.
Article
Chemistry, Inorganic & Nuclear
Hai-xi Pan et al.
INORGANIC CHEMISTRY
(2019)
Review
Chemistry, Physical
Shengnan Tang et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2019)
Review
Environmental Sciences
V. Navakoteswara Rao et al.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2019)
Article
Chemistry, Multidisciplinary
Kun Rui et al.
Review
Energy & Fuels
Raluca-Andreea Felseghi et al.
Article
Chemistry, Physical
Juan Pablo Mojica-Sanchez et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2019)
Review
Chemistry, Physical
Taehyun Kwon et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Review
Energy & Fuels
Man Mohan et al.
Review
Polymer Science
Ryo Kato et al.
Review
Energy & Fuels
Song Yi Moon et al.
Article
Nanoscience & Nanotechnology
Jiguang Zhang et al.
ACS APPLIED MATERIALS & INTERFACES
(2018)
Article
Chemistry, Multidisciplinary
Anna R. Ploszajski et al.
Article
Chemistry, Physical
R. K. Ahluwalia et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2018)
Article
Chemistry, Physical
Julie Pepin et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2018)
Article
Chemistry, Physical
Ali Salehabadi et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2018)
Article
Chemistry, Multidisciplinary
Hai-Xia Zhang et al.
Article
Chemistry, Physical
Antonio Valentoni et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2018)
Article
Chemistry, Physical
Xu Huang et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2018)
Article
Chemistry, Physical
Chen Xia et al.
Article
Chemistry, Physical
Sonwabo E. Bambalaza et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Article
Chemistry, Physical
Nurul Akidah Baharuddin et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2017)
Review
Chemistry, Physical
Kazuhiro Takanabe
Article
Chemistry, Physical
Sebastien Rochat et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2017)
Article
Chemistry, Multidisciplinary
Qipeng Lu et al.
ADVANCED MATERIALS
(2016)
Article
Chemistry, Inorganic & Nuclear
Di Bao et al.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2016)
Article
Chemistry, Physical
D. Pukazhselvan et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2016)
Article
Chemistry, Physical
Olena Zavorotynska et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2016)
Article
Chemistry, Physical
N. Scott Bobbitt et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2016)
Article
Chemistry, Multidisciplinary
Yajun Tan et al.
CHEMICAL COMMUNICATIONS
(2015)
Review
Chemistry, Multidisciplinary
Xiaoxin Zou et al.
CHEMICAL SOCIETY REVIEWS
(2015)
Article
Chemistry, Physical
Renwu Zhang et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2015)
Article
Chemistry, Physical
R. K. Ahluwalia et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2015)
Article
Chemistry, Physical
T. Grosdidier et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2015)
Review
Chemistry, Physical
Paul E. Dodds et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2015)
Article
Chemistry, Multidisciplinary
Guoping Tu et al.
Article
Chemistry, Physical
A. S. Nathanson et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2015)
Review
Multidisciplinary Sciences
Liang An et al.
Review
Chemistry, Multidisciplinary
Jingrun Ran et al.
CHEMICAL SOCIETY REVIEWS
(2014)
Article
Chemistry, Physical
R. K. Ahluwalia et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2014)
Article
Chemistry, Physical
Ming Yang et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2014)
Article
Chemistry, Physical
Haiyan Leng et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2014)
Review
Green & Sustainable Science & Technology
Ramchandra y Shandarr et al.
JOURNAL OF CLEANER PRODUCTION
(2014)
Review
Green & Sustainable Science & Technology
Omar Z. Sharaf et al.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2014)
Article
Energy & Fuels
Shengwen Yuan et al.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2013)
Article
Chemistry, Physical
H. S. Roh et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2013)
Article
Chemistry, Physical
Oliver T. Holton et al.
PLATINUM METALS REVIEW
(2013)
Article
Chemistry, Physical
Seung Jae Yang et al.
CHEMISTRY OF MATERIALS
(2012)
Article
Chemistry, Multidisciplinary
Katarzyna Morawa Eblagon et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2012)
Article
Chemistry, Physical
T. Q. Hua et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2012)
Article
Chemistry, Physical
R. K. Ahluwalia et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2012)
Article
Chemistry, Physical
Samaneh Shahgaldi et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2012)
Review
Chemistry, Physical
Rong Lan et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2012)
Article
Chemistry, Physical
J. Bellemare et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2012)
Article
Chemistry, Physical
S. F. Li et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2012)
Article
Chemistry, Multidisciplinary
Nidia C. Gallego et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2011)
Article
Chemistry, Multidisciplinary
Oender Metin et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2010)
Review
Chemistry, Multidisciplinary
Ulrich Eberle et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2009)
Review
Chemistry, Multidisciplinary
F. Svec et al.
Article
Chemistry, Physical
Ki-Joon Jeon et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2007)
Article
Chemistry, Physical
Kazuhiko Maeda et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2007)
Article
Chemistry, Multidisciplinary
Rita Punn et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2006)
Article
Chemistry, Multidisciplinary
X Yao et al.
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
(2006)
Article
Chemistry, Physical
Y Kojima et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2005)
Article
Nanoscience & Nanotechnology
PMFJ Costa et al.
Article
Chemistry, Physical
GF McLean et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2002)
Article
Materials Science, Multidisciplinary
A Zaluska et al.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2001)
