Metal support interaction of defective-rich CuO and Au with enhanced CO low-temperature catalytic oxidation and moisture resistance
October 2023
Water is considered to be an inhibitor of CO oxidation. The mechanism of retarding the reaction is thought to contribute to the practical application of CO oxidation, which is investigated by constructing...
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Highly conductive S-doped FeSe2-xSx microsphere with high tap density for practical sodium storage
October 2023
Metal selenides have been explored as promising sodium storage materials owing to their high theoretical capacity. However, sluggish Na+ diffusion and low electronic conductivity of selenides still...
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Novel high-entropy perovskite-type symmetrical electrode for efficient and durable carbon dioxide reduction reaction
October 2023
Excessive emission of carbon dioxide (CO2) has posed an imminent threat to human's environment and global prosperity. To achieve a sustainable future, solid oxide electrolysis cell (SOEC), which can...
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Grain-interior planar defects induced by heteroatom monolayer
October 2023
A new type of grain-interior planar defect in a ceramic phase in TiC doped cemented tungsten carbides was discovered. It is unique in that the monolayers of metal atoms exist stably in ceramic grains....
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Epitaxial growth of Pt–Pd bimetallic heterostructures for the oxygen reduction reaction
October 2023
It is of great importance to design highly active and stable electrocatalysts with low Pt loading to improve the sluggish kinetics of oxygen reduction reaction (ORR) for fuel cells. Herein, we report...
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Integrated multi-mode glass ceramic fiber for high-resolution temperature sensing
October 2023
Optical temperature sensors, which can accurately detect temperature in biological systems, are crucial to the development of healthcare monitoring. To challenge the state-of-art technology, it is necessary...
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An active and stable hydrogen electrode of solid oxide cells with exsolved Fe–Co–Ni nanoparticles from Sr2FeCo0.2Ni0.2Mo0.6O6-δ double-perovskite
October 2023
Sr2FeCo0.2Ni0.2Mo0.6O6-δ (SFCNM) and Sr2FeNi0.4Mo0.6O6-δ (SFNM) were prepared as the hydrogen electrode materials for solid oxide cells (SOCs) and comparatively investigated by density function theory...
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Tailoring the electronic conductivity of high-loading cathode electrodes for practical sulfide-based all-solid-state batteries
October 2023
Sulfide-based all-solid-state batteries (ASSBs) exhibit unparalleled application value due to the high ionic conductivity and good processability of sulfide solid electrolytes (SSEs). Carbon-based conductive...
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Understanding melt pool characteristics in laser powder bed fusion: An overview of single- and multi-track melt pools for process optimization
October 2023
Laser powder bed fusion (LPBF) has made significant progress in producing solid and porous metal parts with complex shapes and geometries. However, LPBF produced parts often have defects (e.g., porosity,...
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Anisotropic solution growth of 1D/2D N-rich carbon
October 2023
Despite the fact that low-dimensional carbons (LDCs, 1D/2D) materials are very interesting due to their intriguing electrical properties, we still attempt to enrich them by high N-content in order to...
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Microstructure evolution and mechanical properties of Al2O3 foams via laser powder bed fusion from Al particles
October 2023
Laser powder bed fusion (LPBF) combined with reaction bonding (RB) of Al particles is an effective method for preparing high-performance 3D Al2O3 ceramic foams. However, the indistinct microstructure...
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Towards establishing uniform metrics for evaluating the safety of lithium metal batteries
October 2023
Lithium metal batteries (LMBs) with ultra-high theoretical energy densities are regarded as excellent candidates for the next energy storage devices. Unfortunately, there are many factors can cause...
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Oxidation behavior of amorphous and nanocrystalline SiBCN ceramics – Kinetic consideration and microstructure
Available online 28 September 2023
In this study, the structural evolution of SiBCN ceramics during crystallization and its effects on oxidation behavior involving different atomic units or formed phases in amorphous or crystalline SiBCN...
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Advanced strategies for solid electrolyte interface design with MOF materials
Available online 11 August 2023
Emerging energy technologies, aimed at addressing the challenges of energy scarcity and environmental pollution, have become a focal point for society. However, these actualities present significant...
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Underwater laser directed energy deposition of NV E690 steel
July 2023
Powder-based laser direct metal deposition (DMD), one of the directed energy deposition, was applied in air and underwater to repair pre-machined NV E690 steel plates. Systematic investigations on the...
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Novel experimental strategy towards temperature inhomogeneity during spark plasma sintering of metallic glasses
July 2023
Despite the importance of temperature distribution in spark plasma sintering of metallic glasses, its quantification has been experimentally laborious. This work proposes an experimental strategy to...
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Confined magnetic vortex motion from metal-organic frameworks derived Ni@C microspheres boosts electromagnetic wave energy dissipation
July 2023
Magnetic domain structure plays an important role in regulating the electromagnetic properties, which dominates the magnetic response behaviors. Herein, unique magnetic vortex domain is firstly obtained...
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Correlating O-deficiency and luminescence property of Tb3+ doped SrO
July 2023
Cubic rock salt can lower down or break the rare earth transition barrier through interstitial or vacancy defects owing to its great deformation and rotation flexibility. Here, we demonstrate that oxygen...
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Unveiling the unique bifunctionality of L12-structured nanoprecipitates in a FeCoNiAlTi-type high-entropy alloy
July 2023
Nanoprecipitation strengthening has been widely adopted as an effective way to design high-strength alloys, which generally leads to the loss of ductility. Here we unveil the unique bifunctionality...
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Multiscale modelling of irradiation damage behavior in high entropy alloys
July 2023
The increasingly harsh environment of the nuclear reactors and the insurmountable flaws of in-service materials have created an urgent need for the development of the brand-new alloys. For last decade,...
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Construction of hollow binary oxide heterostructures by Ostwald ripening for superior photoelectrochemical removal of reactive brilliant blue KNR dye
July 2023
Although the Ostwald ripening approach is often utilized to manufacture single hollow metal oxide, constructing hollow binary oxide heterostructures as potent photoelectrochemical (PEC) catalysts is...
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Greatly improved piezoelectricity and thermal stability of (Na, Sm) Co-doped CaBi2Nb2O9 ceramics
July 2023
Calcium bismuth niobate (CaBi2Nb2O9) is regarded as one of the most potential high-temperature piezoelectric materials owing to its highest Curie point in bismuth layer-structured ferroelectrics. Nevertheless,...
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Phase selection-oriented mechanical properties tailoring for β-type TiNbZrTaSi alloy fabricated by laser powder bed fusion
July 2023
The morphology and distribution of silicides in α/α+β type titanium alloys impress on their properties. Nevertheless, the types of silicide precipitates and their formation mechanisms remain unclear...
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High-strength, multifunctional and 3D printable mullite-based porous ceramics with a controllable shell-pore structure
Available online 29 July 2023
The quest for lightweight and functional materials poses stringent requirements on mechanical performance of porous materials. However, the contradiction between high strength and elevated porosity...
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Laser powder bed fusion of a Ni3Al-based intermetallic alloy with tailored microstructure and superior mechanical performance
Available online 19 July 2023
Ni3Al-based alloys are excellent candidates for the structural materials used for turbine engines due to their excellent high-temperature properties. This study aims at laser powder bed fusion and post-hot...
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