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Open access

ISSN: 3117-7220
CN: CN: 21-1361/TG
p-ISSN: 2097-7514

Thick, asymmetric electrodes enable high-energy-density 3D-printed flexible quasi-solid-state micro-supercapacitors

Achieving thick electrodes concurrent with efficient ion and electron transport remains a critical bottleneck in enhancing the areal energy density of micro-supercapacitors (MSCs). Herein, a quasi-solid-state...

Rationally designing surface structure by CoNx active site to evoke sodium storage sites of hard carbon

Hard carbon is widely regarded as one of the most commercially promising anode materials for sodium-ion batteries. Nevertheless, its practical application remains challenged by limited reversible capacity...

Advances in artificial interface design toward stable Zn anodes

Amid the global energy transition, aqueous zinc-ion batteries (AZIBs) have gained prominence as safe, low-cost, and resource-abundant candidates for grid-scale storage. However, their Zn anodes suffer...

From microstructure to sodium-storage mechanism: Structure-performance insights into hard carbon

Hard carbon is the most promising anode material for sodium-ion batteries, yet its complex disordered structure has long obscured the actual sodium-ion storage behaviors. This review focuses on the...

Enhancing room-temperature ionic conductivity of Na2B12H12 via BN incorporation for all-solid-state sodium metal batteries

Because of their exceptional safety and thermal stability, all-solid-state sodium batteries are viable next-generation energy storage technologies, while borohydride-based solid electrolytes have garnered...

Enhancing lithium storage performance of Sn-P anodes at low temperatures by cooperating with Ni-Mn-Co cathodes

Lithium-ion batteries (LIBs) exhibit significant performance deterioration in low-temperature environments. Key challenges include severely hindered lithium-ion transport kinetics, substantial capacity...

Tailored SnAl-Cu6Sn5 composite with hierarchical porous architecture for enhanced sodium storage

Tin (Sn) stands as a promising anode for sodium-ion batteries due to its high theoretical capacity, yet it suffers from severe volume changes during cycling. This work develops a novel SnAl-Cu6Sn5 composite...

Solvation structure regulation via combined H2O-polar molecule and H2O-anion interactions toward stable zinc metal electrodes in aqueous batteries

Aqueous zinc (Zn) batteries (AZBs) possessing low cost and high safety offer a prominent solution for large-scale energy storage. However, the application of AZBs is still plagued by the corrosion of...

Interpretable machine learning for intrinsic mechanical properties of γ′ phase in cobalt-based superalloys

The presence of γ′ phase establishes Co-based alloys as promising candidates for next-generation superalloys, stimulating intense research interest in the development of γ/γ′ Co-based superalloys. Although...

Towards full-scaling tribology of heterostructured metals: A review

Friction and wear, long regarded as unavoidable penalties in mechanical systems, consume nearly a quarter of global primary energy. Metallic components in engines, turbines, and bearings therefore present...

Texture evolution, silicide precipitation and strength-ductility synergy in a novel α + β titanium alloy during radial forging

This study explored the microstructure evolution and strength-ductility synergy in a novel silicon-containing α + β titanium alloy Ti-5Al-7.5V-0.5Mo-0.5Zr-0.5Si (TC5751S) during radial forging. The...

Enhanced strength-ductility-toughness synergy of friction stir-welded ultrahigh-strength medium-Mn steel joints via post-weld annealing

Ultrahigh-strength medium-Mn steels are one of the promising third-generation advanced high-strength steels with strength-ductility-toughness synergy. However, it has been a challenge to preserve the...

Enhanced high-temperature wear resistance of CoNiCrAlY coatings: Strengthening mechanisms of ZrB2 and Al2O3 reinforcements at 1000 °C

To avoid the wear failure of hot parts at 1000 °C, a ZrB2-reinforced CoNiCrAlY coating was prepared using step-fashion mechanical alloying and high-velocity oxygen-fuel (HVOF) spraying. With CoNiCrAlY...

Additive manufactured graded porous zinc scaffolds based on sheet-Gyroid lattice for bone defect repair

Balancing degradation rate with mechanical stability represents a critical challenge in the development of biodegradable porous scaffolds. Functionally graded triply periodic minimal surface (TPMS)...

In-situ synergistic strengthening strategy of Ni eutectic and Ti peritectic phases to high-performance crack-free 6061 Al alloy through laser powder-bed fusion

To address the challenges of coarse columnar grains and solidification cracks in 6061 Al alloy (AA6061) through laser powder-bed fusion (L-PBF), this study proposes an in-situ co-modification strategy...

Effect of alternating oxygen concentration on corrosion behaviors of FeNiCrAl medium entropy alloys in liquid lead-bismuth eutectic at 550 °C

The Fe40Ni30Cr20Al10, Fe45Ni30Cr15Al10, Fe50Ni20Cr20Al10, and Fe50Ni25Cr15Al10 medium entropy alloys (MEAs) were designed, and their corrosion behaviors were studied under alternating exposure to oxygen-saturated...

Misorientation mediates dislocation phase boundary interactions in FCC to BCC transformation: A phase field crystal study

Through phase-field crystal simulations, we systematically investigate the effects of grain misorientation angle θ on phase transformation kinetics and defect evolution mechanisms. The results reveal...

Microstructure and mechanical properties of SiCp/AZ91 composites prepared by freeze casting and hot extrusion

In this work, the SiCp/AZ91 composites prepared by freeze casting were subjected to hot extrusion, and then the microstructure, mechanical properties and fracture behavior were given and analyzed. The...

Shear stress derived enhancement of LPSO deformation and DRX behavior for Mg-11Gd-4Y-2Zn-0.5Zr alloy

Mg-11Gd-4Y-2Zn-0.5Zr alloy with long-period stacking ordered (LPSO) phases exhibits excellent high-temperature strength and ductility. In this paper, the influence of compressive stress (hot compression)...

Achieving enhanced mechanical behavior in additively manufactured CoCrNi MEA via Al/Ti doping under medium strain rate and cryogenic conditions

Selective laser melting (SLM), an advanced powder-bed fusion technique employing a high-power laser beam for selective melting and consolidation of metallic powder layers, has exhibited remarkable capabilities...

Robotic friction stir channeling towards high-rectangularity design on complex curved components

Friction stir channeling (FSC) is an innovative technique for machining continuous internal channels in a single step, offering a novel solution for fabricating heat exchanger channels. However, conventional...

Achieving high strength and excellent ductility in a Zn-3Cu-1Mg alloy through minor Nd addition and multi-pass ECAP

Nd element has been extensively investigated in biodegradable magnesium alloys due to its superior strengthening effect and biocompatibility. However, the role of Nd in biodegradable zinc alloys remains...

Synthesis of 3D Co9S8/GNRs/Ti3C2Tx–MXene ternary composite toward enhanced oxygen evolution reaction

The incorporation of conductive supports is crucial for achieving superior electrocatalytic performance in transition metal sulfide (TMS) systems. However, the influence of conductive supports with...

Microstructure and mechanical properties of shear spun Mg-5Zn-1Gd-1Y-1Mn alloy

Shear spinning is an important method for metal shell forming. However, due to the poor plasticity of magnesium alloy, limited research exists on its spinning forming. Understanding the microstructure...

Nearly 100% selective CO2 photoreduction to CO via Fe-modified amino acid-functionalized UiO-66

Photoreduction of carbon dioxide (CO2) into useful carbon-based fuels is a promising strategy for reducing excessive CO2 emissions and addressing the global energy crisis. However, developing photocatalysts...

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