Abstract Quasi solid‐state polymer electrolytes (QSPEs) are particularly attractive due to their high ionic conductivity and excellent safety for lithium metal batteries (LMBs). However, it is still a great challenge QSPEs achieve strong mechanical strength electrochemical performance simultaneously. Herein, QSPE (SCOF‐PEP‐PEA) using covalent organic framework (COF) containing abundant allyl groups (SCOF) as rigid porous filler well cross‐linker reinforce the network reported. Benefitting...

Laser Bond Inspection (LBI) is an emerging technology that employs the mechanical effect of laser-induced shock wave to quantitatively evaluate interfacial strength composite materials, particularly for Carbon Fiber Reinforced Polymer (CFRP) laminates. This process requires in-depth understanding damage characteristics delamination and influence laser parameters on coupling behavior propagation. work develops a new three-dimensional constitutive model specifically designed CFRP laminates...

This study highlights the facet structure control of regular NixCo3–xO4 nanoplates and interfacial modulation through elemental doping morphologically fitted assembly Ti3C2Tx nanosheets for high performances in OER/HER overall water splitting. Over resulting Ni0.09Co2.91O4/Ti3C2Tx-HT a solution 1 M KOH, OER HER overpotentials 262 210 mV, respectively, are achievable at current density 10 mA cm–2. In case splitting by using as anode cathode catalysts, only potential 1.66 V is needed to obtain...

This study both experimentally and theoretically demonstrates the significance of Pt/SnO 2 interface to control overall activity in particular, dominant route complete/incomplete oxidation for electrocatalytic ethanol oxidation.

Abstract A new type of supported vanadium phosphorus oxide (VPO) with self-phase regulation was simply fabricated (organic solvent free) for the first time by depositing specific VPO precursor NH 4 (VO 2 )HPO onto Siliceous Mesostructured Cellular Foams (MCF) controlled activation. The resulting materials were found to be highly efficient and selective sustainable acrylic acid (AA) plus methyl acrylate (MA) production via a condensation route between acetic (HAc) formaldehyde (HCHO). (AA +...

On the basis of precise phase control vanadium phosphorus oxides (VPOs), nanosized TiO2 was employed as a dopant/dispersant to fabricate series VPO-TiO2 catalysts through wet mechanical co-milling process. The resulting showed outstanding durability plus excellent target products [acrylic acid (AA) + methyl acrylate (MA)] selectivity via acetic (HAc)–formaldehyde (FA) condensation. Over an optimized catalyst 20% VPO-TiO2, (AA MA) being 85% (HAc input-based) at yield level >60% (FA can be...

This study aims to investigate the toughening effects of rubber and thermoplastic particles on epoxy resin (EP), understand mechanism underlying their synergistic effect. For this purpose, three EP systems were prepared using diglycidyl ether bisphenol-A (DGEBA) (E-54) 4,4-Diamino diphenyl methane (Ag-80) as matrix resin, 4,4-diaminodiphenyl sulfone (DDS) a curing agent, phenolphthalein poly (aryl ketone) (PEK-C) carboxyl-terminated butyl liquid (CTBN) agents. These are classified an...

N-doped TiO2 with oxygen vacancies exhibits many advantages for photocatalysis, such as enhanced visible light absorbency, inhibition of the photogenerated charge carrier recombination, etc. However, preparation under mild conditions is still a challenge. Herein, nanospheres tetrahedral Ti4+ sites were synthesized by using dodecylamine template and assisted l-alanine acids. The obtained samples characterized X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission...

A series of unsupported and supported vanadium phosphorus oxide catalysts were prepared by employing a new strategy, which significantly reduced the complexity catalyst preparation. The greatly simplified fabrication benefits greener lower-cost process for practical applications. currently fabricated systems showed ca. 90% target product(s) selectivity with promising yield as well durability.

Abstract Porous organic polymers (POPs) with high physiochemical stability and pseudocapacitive activity are crucial for supercapacitors specific capacitance long cycle life. We report herein a hexaazatrinaphthylene‐based POP (HPOP‐1) high‐performance supercapacitor by introducing redox‐active hexaazatrinaphthylene (HATN) moiety through Sonogashira–Hagihara coupling reaction. HATN can undergo proton‐induced electron transfer redox reaction, which endows HPOP‐1 activity. As electrode...

Developing an efficient and low-cost electrocatalyst is important in energy conversion storage, while it challenging especially the oxygen evolution reaction (OER) owing to sluggish kinetic process. Hofmann-type metal–organic frameworks (MOFs) are layer-structured materials, if they synthesized form of regular-shaped slim nanosheets, a higher density exposed active sites easier electron mass transport will be expected. In current study, we prepared such type Hofmann MOFs plus Ni site tuning...

In this work, we studied how the oxidic CoMoOx/Al2O3 and sulphurated CoMoSx/Al2O3 interfacial structures determine catalytic efficiency in selective hydrodesulfurization (HDS) of dibenzothiophene (DBT). To achieve goal, first synthesized γ-Al2O3 materials unique morphologies through ionic liquid-assisted hydrothermal process under different conditions. The resulting hexagonal plates (HP) stacked (SHP) are single crystallites with dominant (1 1 0) 1)/(1 0 facet structures, respectively;...

In view of the failure characteristics rainfall erosion and imbricate layered sliding silt subgrade slopes, this paper proposes a slope surface protection technology that is composite layer combines basalt fibre for reinforcing soil polyacrylamide solidifying soil. The anti-infiltration anti-erosion performances these proposed layers were systematically investigated through finite element discrete numerical simulation methods. Based on optimum proportions found in series mechanical...

In this paper, polyvinyl chloride (PVC) gels microlens arrays (MLAs) with controllable curvatures were prepared by evaporation of the solvent under DC electric fields. order to obtain these arrays, PVC gel solution was first injected into cofferdam a ring array patterned electrode substrate. Upon polarization field, charge from cathode carried plasticizers towards anode accumulate on its surface. After complete solvent, formed stable MLAs. The focal length MLAs obtained after 100 µL 30 V...

Quantitative inversion of accidents is an important work finding the cause and avoiding their recurrence. However, quantitative difficult due to lack limitation monitoring information. Focusing on water‐inrush incidents Jiguan Mountain tunnel, this paper proposes a set workflows find out missing conditions by flow analysis structural safety basis investigating rain capacity water outflow in incidents. First, hydraulic boundary acquired analyzing relationship catchment, infiltration,...

Laser Bond Inspection is a new technology to quantitatively evaluate the interfacial strength in composite materials. Constructing an effective constitutive model, especially considering strain rate effects, critical factor for this technology. In work, reliable rate-dependent model of laminates laser-induced delamination established. Based on orthotropic relationship, we introduce dynamic increase factors different directions adjust parameters. The are obtained through adaptive matching...