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Open access

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

Co2+ regulation enhances the surface adsorption activity of Ni2P to achieve efficient oxygen evolution

To circumvent the cost constraints and scarcity of noble-metal oxygen evolution reaction (OER) catalysts, this work pioneers an electrolyte-regulation strategy for boosting nickel phosphide (Ni2P) performance....

High-performance micron-sized porous Si/C anodes from natural graphite tailings for lithium-ion batteries

With the growing demand for high-energy-density and long-lifespan lithium-ion batteries (LIBs), silicon/graphite composites have emerged as promising anode materials, as they synergize the ultrahigh...

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...

A three–in–one strategy to prepare a ternary CoS2/FeS2/Ti3C2Tx catalyst for oxygen evolution reaction in water–splitting devices

Transition metal sulfides (TMSs) are widely recognized as promising catalysts for the oxygen evolution reaction (OER), yet their large–scale application is hindered by poor conductivity, severe aggregation...

Adsorption and sensing characteristics of 2D GaN/MoS2 heterostructure towards biomolecules: atomistic insights from electronic structures

This study provides a novel and extensive first-principles analysis of the adsorption and sensing properties of the 2D gallium/molybdenum-based compounds heterojunction surface towards nucleobases and...

Long-range ordered intermetallic stabilized 3D porous Si/SixFeAly heterostructure for durable lithium storage

Despite the tremendous potential for high theoretical capacity, silicon anode material still faces formidable challenge that hinder its widespread commercialization in lithium-ion batteries owing to...

Tailoring hydrogel electrolytes to enhance cathode performance in aqueous zinc-ion batteries

Aqueous zinc-ion batteries (AZIBs) have attracted considerable attention due to their intrinsic safety, high theoretical energy density, and low cost. However, the commonly used liquid electrolytes...

Quantitative study on the effect of hydrogen on fracture toughness and plastic zone size of X52 steel

Fracture toughness, reflecting a material's resistance to crack initiation and propagation, is a crucial mechanical parameter for evaluating hydrogen compatibility of pipeline steels. In this study,...

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...

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