Selective laser melting of GH3536 superalloy: microstructure, mechanical properties, and hydrocyclone manufacturing
February 2024
The effect of scanning strategy on the microstructure and properties of GH3536 Ni-based superalloy prepared by Laser Powder Bed Fusion was investigated, for the purpose of building high quality hydrocyclone...
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Chemically bonded BiVO4/Bi19Cl3S27 heterojunction with fast hole extraction dynamics for continuous CO2 photoreduction
February 2024
Surface charge localization and inferior charge transfer efficiency seriously restrict the supply of reactive hydrogen and the reaction dynamics of CO2 photoreduction performance of photocatalysts....
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Functional inorganic additives in composite solid-state electrolytes for flexible lithium metal batteries
February 2024
Flexible lithium metal batteries with high capacity and power density have been regarded as the core power resources of wearable electronics. However, the main challenge lies in the limited electrochemical...
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Al2O3 nanoparticles as surface modifier enables deposition of high quality perovskite films for ultra-flexible photovoltaics
February 2024
Advanced photovoltaics, such as ultra-flexible perovskite solar cells (UF-PSCs), which are known for their lightweight design and high power-to-mass ratio, have been a long-standing goal that we, as...
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Synthesis and modification strategies of g-C3N4 nanosheets for photocatalytic applications
February 2024
Graphitic carbon nitride nanosheets (CNNs) become the most promising member in the carbon nitride family benefitted from their two-dimensional structural features. Recently, great endeavors have been...
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Balancing loading mass and gravimetric capacitance of NiCo−layered double hydroxides to achieve ultrahigh areal performance for flexible supercapacitors
February 2024
Delivering high areal capacitance (CA) at high rates is crucial but challenging for flexible supercapacitors. CA is the product of areal loading mass (MA) and gravimetric capacitance (CW). Finding and...
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Laser powder bed fusion of a Ni3Al-based intermetallic alloy with tailored microstructure and superior mechanical performance
February 2024
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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High-strength, multifunctional and 3D printable mullite-based porous ceramics with a controllable shell-pore structure
February 2024
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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Advanced strategies for solid electrolyte interface design with MOF materials
February 2024
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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Oxidation behavior of amorphous and nanocrystalline SiBCN ceramics – Kinetic consideration and microstructure
February 2024
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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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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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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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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