Qi‐Jun Liu
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View article: Unraveling the impact sensitivity mechanism of energetic materials from vibrational and electronic energy transfer
Unraveling the impact sensitivity mechanism of energetic materials from vibrational and electronic energy transfer Open
Clarifying the sensitivity mechanism of explosives is a key prerequisite for developing energetic materials (EMs) with both low sensitivity and high detonation performance. In this study, we propose a sensitivity mechanism for energetic ma…
View article: Microstructure and properties of resistance spot welded Al/Cu joint with an interlayer of zinc
Microstructure and properties of resistance spot welded Al/Cu joint with an interlayer of zinc Open
Aluminum and copper plates were joined using resistance spot welding with a zinc interlayer. The interfacial microstructure of the weld joint was examined, and the electrical resistance and tensile shear strength of the joints were evaluat…
View article: SnRK1 and TOR: central regulators of autophagy in plant energy stress responses
SnRK1 and TOR: central regulators of autophagy in plant energy stress responses Open
Plants harness light through photosynthesis to produce chemical energy, a cornerstone of life on Earth. However, environmental challenges, such as insufficient light, nutrient deficiencies, and abiotic stresses, often disrupt energy availa…
View article: Synergistic Additives Design for High‐Voltage and Broad‐Temperature Propylene Carbonate‐Based Electrolytes in Practical Lithium‐Ion Batteries
Synergistic Additives Design for High‐Voltage and Broad‐Temperature Propylene Carbonate‐Based Electrolytes in Practical Lithium‐Ion Batteries Open
Lithium‐ion batteries (LIBs), widely used in electric vehicles (EVs) and other applications, are increasingly expected to deliver higher energy densities and stable performance over a wide temperature range, posing stringent challenges for…
View article: The superconductivity and electron-doping effect in MgP2H14 hydrides
The superconductivity and electron-doping effect in MgP2H14 hydrides Open
Room temperature superconductivity has become the tireless pursuit of scientists due to its epoch-making significance. Inspired by the recently predicted high superconductivity in LiP2H14, we identify a new superconductor MgP2H14 by substi…
View article: An Improved Cohen‐Class Based Extraction Method for Fine Spectral Feature of Line Spectrum From Ship‐Radiated Noise
An Improved Cohen‐Class Based Extraction Method for Fine Spectral Feature of Line Spectrum From Ship‐Radiated Noise Open
The line spectrum from ship‐radiated noise is a critical feature for passive sonar to detect underwater acoustic targets. However, due to weak target strength as well as severe propagation attenuation and oceanic ambient noise, the signals…
View article: First‐Principles Studies of Structural, Mechanical, Electronic, and Optical Properties of CsCuO
First‐Principles Studies of Structural, Mechanical, Electronic, and Optical Properties of CsCuO Open
This study presents a comprehensive analysis of the orthorhombic CsCuO, focusing on its structural, electronic, mechanical, and optical properties, which uses the first‐principles plane wave pseudopotential technique and local density appr…
View article: On weak influence of aluminum powder size on its post-detonation reaction in different time scales
On weak influence of aluminum powder size on its post-detonation reaction in different time scales Open
The outstanding performance of aluminized explosives is attributed to the substantial energy released through aluminum (Al) reactions during post-detonation flow. However, the influences of Al powder size on the explosion power of aluminiz…
View article: Pairing Non‐Solvating Cosolvent with Weakly Solvating Solvents for Facile Desolvation to Enable EC‐Free and High‐Rate Electrolyte for Lithium Ion Batteries
Pairing Non‐Solvating Cosolvent with Weakly Solvating Solvents for Facile Desolvation to Enable EC‐Free and High‐Rate Electrolyte for Lithium Ion Batteries Open
The advancement of lithium‐ion batteries (LIBs) calls for superior electrolyte design to satisfy the booming demands of energy storage markets. Despite being typically indispensable in modern electrolytes, ethylene carbonate (EC) exhibits …
View article: 4-Fluorobenzyl cyanide, a sterically-hindered solvent expediting interfacial kinetics in lithium-ion batteries
4-Fluorobenzyl cyanide, a sterically-hindered solvent expediting interfacial kinetics in lithium-ion batteries Open
4-Fluorobenzyl cyanide, combining a bulky substituent and deactivated Lewis basic center, is designed to formulate an EC-free electrolyte, which exhibits wide-liquid range, high safety level and good rate capability in lithium-ion batterie…
View article: Evolution of molecular structure of TATB under shock loading from transient Raman spectroscopic technique
Evolution of molecular structure of TATB under shock loading from transient Raman spectroscopic technique Open
By combination of the transient Raman spectroscopic measurement and the density functional theoretical calculations, the structural evolution and stability of TATB under shock compression was investigated. Due to the improvement in synchro…
View article: Tibetan tea reduces obesity brought on by a high‐fat diet and modulates gut flora in mice
Tibetan tea reduces obesity brought on by a high‐fat diet and modulates gut flora in mice Open
It has been shown that Tibetan tea (TT) inhibits obesity and controls lipid metabolism. The fundamental processes by which TT prevents obesity are yet entirely unknown. Consequently, this research aimed to ascertain if TT may prevent obesi…
View article: The structural, electronic properties, pressure response and decomposition mechanism of bispentazole (N10) with first principles calculations
The structural, electronic properties, pressure response and decomposition mechanism of bispentazole (N10) with first principles calculations Open
Bispentazole (N10) is one of the recently-found full-nitrogen energetic materials, which have remarkable performance in the pursuit of higher energy and greener explosive. Therefore, the structural, electronic properties, pressure response…
View article: Shock Raman spectra and structural transformation of powdered TKX-50 by the plate impact experiments combined with real-time Raman detection
Shock Raman spectra and structural transformation of powdered TKX-50 by the plate impact experiments combined with real-time Raman detection Open
As an energetic material of great interest, the work capacity of dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50) has been questioned recently. Although some research groups have explored the reasons for the low working ability o…
View article: First-Principles Calculations of Structural and Mechanical Properties of Cu–Ni Alloys
First-Principles Calculations of Structural and Mechanical Properties of Cu–Ni Alloys Open
Nanostructured Cu–Ni alloys have become the focus of public attention due to their better corrosion resistance and high hardness in experimental measurements. First-principles calculation based on the density functional theory (DFT) has be…
View article: Research of detonation products of RDX/Al from the perspective of composition
Research of detonation products of RDX/Al from the perspective of composition Open
Aluminized explosives exhibit excellent performance because the oxidation of aluminum (Al) powders enhances the pressure and temperature of detonation products. However, the equation of state (EOS) of detonation products has not been under…
View article: Structural, Electronic, and Vibrational Properties of N<sub>2</sub>O<sub>4</sub> under Pressure from First‐Principles Study
Structural, Electronic, and Vibrational Properties of N<sub>2</sub>O<sub>4</sub> under Pressure from First‐Principles Study Open
This article uses first principles to study a single molecular phase of N 2 O 4 . The structural, electronic, and vibrational properties of N 2 O 4 under high pressure are calculated. The a ‐axis and c ‐axis compressibilities are basically…
View article: Pressure-Mediated Structural Transitions in Nitrogen-Rich 1H-Tetrazole: New Insight from Dispersion Corrected Density Functional Theory Calculations
Pressure-Mediated Structural Transitions in Nitrogen-Rich 1H-Tetrazole: New Insight from Dispersion Corrected Density Functional Theory Calculations Open
Heterocyclic nitrogen-rich molecules are widely used as effective precursors for the preparation of high energy density materials, which are denser than their carbon analogs.Here, dispersion corrected density functional theory calculations…
View article: Compositions and Biological Activities of Pomegranate Peel Polyphenols Extracted by Different Solvents
Compositions and Biological Activities of Pomegranate Peel Polyphenols Extracted by Different Solvents Open
Pomegranate peel extract (PPE), which is abundant in polyphenols, holds immerse prospects for the treatment of airway infection. In this study, water and ethanol of 30%, 50%, and 80% were used to prepare PPE. A total of 18 phenols belongin…
View article: Impacts of Transition Approach of Water Vapor-Related Microphysical Processes on Quantitative Precipitation Forecasting
Impacts of Transition Approach of Water Vapor-Related Microphysical Processes on Quantitative Precipitation Forecasting Open
The water vapor-related microphysical processes (WVRMPs) in cloud microphysics schemes are crucial to the formation and dissipation of clouds, which have a significant impact on the quantitative precipitation forecasting of numerical weath…
View article: A comparative study of O and Hf vacancies in cubic HfO2 from first-principles study
A comparative study of O and Hf vacancies in cubic HfO2 from first-principles study Open
First-principles study of cubic HfO 2 with O and Hf vacancies was carried out with the plane-wave ultrasoft pseudopotential technique within the generalized gradient approximation (GGA). The crystal structure of cubic HfO 2 with O and Hf v…
View article: Preparation of Niobium Aluminium Alloy Based on Shock Compression Method
Preparation of Niobium Aluminium Alloy Based on Shock Compression Method Open
A new method based on a light-gas gun has been proposed to synthesize Nb-Al alloys, and a recovery capsule has been investigated. The copper-coated sample is accessible after shock wave loading. In this paper, we successfully synthesize Nb…
View article: A Comparative Study of O and Hf Vacancies in Cubic Hfo2 From First-principles Study
A Comparative Study of O and Hf Vacancies in Cubic Hfo2 From First-principles Study Open
First-principles study of cubic HfO2 with O and Hf vacancies was carried out with the plane-wave ultrasoft pseudopotential technique within the generalized gradient approximation (GGA). The crystal structure of cubic HfO2 with O and Hf vac…
View article: First-Principles Study of The Structural Phase Transition Process of Solid Nitrogen Under Pressure
First-Principles Study of The Structural Phase Transition Process of Solid Nitrogen Under Pressure Open
Due to the diversity of solid nitrogen structure, its phase transition has been a hot topic for many scientists. Herein, we first studied the structural softening of rhombohedral solid nitrogen under pressure using first-principles calcula…