387 Result(s)
within
Physical Chemistry
**ao-**a Jiang
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Article
Open AccessBlackening failure of poly-α-olefin impregnated porous polymide due to the splitting of lubrication oil catalyzed by iron
Lubrication failure accompanying with blackening phenomenon significantly reduces the long-running operational reliability of porous polymide (PPI) lubricated with poly-α-olefin (PAO) oil. Here, the effects of lu...
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Article
Open AccessEffect of temperature on tribofilm growth and the lubrication of the piston ring-cylinder liner system in two-stroke marine engines
This study is an optimized extension based on the authors’ previous research on the tribo-chemical reaction under constant temperature field of two-stroke internal combustion engines (ICEs). It establishes a c...
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Oxidation behavior of Ni-based superalloy GH4738 under tensile stress
Revealing the oxidation behavior of superalloys is crucial for optimizing material properties and extending service life. This study investigated the oxidation behavior of superalloy GH4738 under stress states...
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Nanodiamond: a promising metal-free nanoscale material in photocatalysis and electrocatalysis
Benefiting from its surface-rich functional groups, eco-friendliness, impressive electrochemical properties, excellent light absorption, structural tunability at the atomic/morphological level, and ultra-high ...
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Article
Laser additive manufacturing of titanium alloys: process, materials and post-processing
Laser additive manufacturing (LAM) of titanium (Ti) alloys has emerged as a transformative technology with vast potential across multiple industries. To recap the state of the art, Ti alloys processed by two e...
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Regioselective cation exchange reaction for photoelectrochemical water splitting
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Article
Enhancing thermoelectric performance of p-type SnTe through manipulating energy band structures and decreasing electronic thermal conductivity
SnTe has received considerable attention as an environmentally friendly alternative to the representative thermoelectric material of PbTe. However, excessive hole carrier concentration in SnTe results in an ex...
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Phase field modeling of grain stability of nanocrystalline alloys by explicitly incorporating mismatch strain
Nanocrystalline materials exhibit unique properties due to their extremely high grain boundary (GB) density. However, this high-density characteristic induces grain coarsening at elevated temperatures, thereby...
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An olivine LiFe0.5Mn0.5PO4/rGO composite cathode material prepared from manganese ore tailings with excellent lithium storage performance
The high-value utilization of manganese ore tailings is of great significance for saving mineral resources and achieving environmental protection. Herein, an olivine LiFe0.5Mn0.5PO4/rGO composite is synthesized b...
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Enhancing electrocatalytic reduction of CO2 to C2+ products with high efficiency at Cu0/Cuδ+ interfaces via iodine modification strategy
Electrocatalytic CO2 reduction reaction (CO2RR) to produce multicarbon (C2+) products over Cu-based catalysts represents an ideal approach for renewable energy storage and carbon emissions reduction. The Cu0/Cuδ+
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Article
Two-dimensional metallic CoTe2 flakes for electrocatalytic hydrogen evolution
Two-dimensional (2D) metallic 1T-CoTe2 has attracted considerable attention due to its fascinating physical properties and promising applications in electronics and catalysis. However, the production of high-qual...
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Article
Microwave excited hyperthermy and catalysis of heterostructured Au/Cu–BTA for effective bacteria killing by accelerating charge separation
Deep tissue infections caused by pathogenic bacteria seriously threat the lives of patients. In this study, a smart heterostructured Au/Cu–BTA (BTA = 1,2,4,5-benzenetetramine) with microwave (MW) response is s...
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Coupling Co2P nanoparticles onto N,P-doped biomass-derived carbon as efficient electrocatalysts for flexible Zn–air batteries
Catalysts for oxygen conversion play an important role in energy storage and conversion technologies such as metal–air batteries. Develo** highly active, stable, and low-cost catalysts is critical for furthe...
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Determinants of saturation magnetic flux density in Fe-based metallic glasses: insights from machine-learning models
Fe-based metallic glasses have garnered significant attention due to their low coercivity force and core loss. Enhancing the saturation magnetic flux density (Bs) of Fe-based metallic glasses is crucial for their...
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Article
A fluorescent probe based on cyclochalcone for detecting peroxynitrite
A novel cyclic chalcone fluorescent probe C-PN was synthesized to detect ONOO−. After reaction with peroxynitrite, the double bond of C-PN in the cyclic chalcone structure was disconnected, which caused the chang...
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Article
Corrosion behavior of Al2O3–C bricks in MnO-containing mold slag
In order to explore the corrosion mechanism of Al2O3–C refractories in the mold flux bearing MnO, the immersion test of Al2O3–C refractories in CaO–SiO2–CaF2–MnO slag with different MnO contents was carried out a...
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Article
Synthesis of highly stable Ni nanoparticles via electrostatic self-assembly for enhanced hydrogen storage of MgH2
Magnesium-based hydrides have been widely recognized as an appropriate choice for solid-state hydrogen storage. However, its undesirable thermodynamics and sluggish hydrogenation/dehydrogenation kinetics are m...
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Magnesium-containing pellet regulating blast furnace ferrous burden interaction: softening–melting behavior and mechanism
MgO participates in all stages of sintering, pelletizing, and blast furnace ironmaking, and synergistically optimizing the distribution of MgO in ferrous burden can effectively enhance the interaction within t...
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Metallic Sb-stabilized porous silicon with stable SEI and high electron/ion conductivity boosting lithium-ion storage performance
Silicon (Si) has mild discharge potential and high theoretical capacity, making it a highly desirable material for lithium-ion batteries (LIBs). Nevertheless, the excessive volume expansion, poor ion/electron ...
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A new [SiMo12O40]4−-based metal organic framework: synthesis, structure, photo-/electro-catalytic and absorption properties
The water pollution problems caused by organic dyes, inorganic ions and other pollutants are becoming more and more serious, and the removal of pollutants from wastewater is still a challenge. A polyoxometalat...
