Results 71 to 80 of about 8,907 (279)

Effects of Metallic Glass Precursors on the Catalytic Performance of Nanoporous Metals [PDF]

open access: yesMaterials Research, 2015
This work reports the effects of metallic glass precursors on the catalytic performance of nanoporous metals. Pd-based multicomponent nanoporous metals with similar nanoporous structure were successfully fabricated by electrochemically dealloying the ...
Sheng-chen Yang   +5 more
doaj   +1 more source

MgP4/CNT‐Graphene Embedded in Hard Carbon Matrix as a High‐Capacity Anode for Next‐Generation Sodium‐Ion Batteries

open access: yesAdvanced Science, EarlyView.
Phosphorus‐rich MgP4 is introduced as a high capacity anode for sodium‐ion batteries (SIBs) via hybrid carbon matrix engineering. A sequential CNT/G assembly forms a conductive and mechanically robust network, delivering a high reversible capacity of 1386 mAh g−1 while stabilizing alloying reactions.
Sion Ha   +6 more
wiley   +1 more source

Research Progress in Preparation and Mechanical Properties of Nanoporous Metals

open access: yesJournal of Aeronautical Materials, 2018
Nanoporous metals are the of porous metal materials with pore sizes ranging from 0.1-100 nm. Because of its unique porous structure, high specific surface area, and high conductivity, nanoporous metals have wide applications in many fields.
LI Yuanwei   +3 more
doaj   +1 more source

Development of porous FeCo by liquid metal dealloying: Evolution of porous morphology and effect of interaction between ligaments and melt

open access: yesMaterials & Design, 2019
Liquid metal dealloying is a promising technique for synthesizing non-noble porous materials by preventing oxidation in a metallic melt. This method considers the heats of mixing between precursor elements and a melt element to design miscible and ...
Soo-Hyun Joo, Takeshi Wada, Hidemi Kato
doaj   +1 more source

Surface Roughed and Pt-Rich Bimetallic Electrocatalysts for Hydrogen Evolution Reaction

open access: yesFrontiers in Chemistry, 2020
Platinum-based alloys with low cost transition metals have been considered as promising electrocatalysts in the field of sustainable energy conversion and storage.
Fang Wang   +6 more
doaj   +1 more source

Probing the Surface Chemistry of Nanoporous Gold via Electrochemical Characterization and Atom Probe Tomography

open access: yesNanomaterials, 2021
Surface chemistry information is crucial in understanding catalytic and sensing mechanisms. However, resolving the outermost monolayer composition of metallic nanoporous materials is challenging due to the high tortuosity of their morphology.
AmirHossein Foroozan-Ebrahimy   +2 more
doaj   +1 more source

Topological control of liquid-metal-dealloyed structures

open access: yesNature Communications, 2022
AbstractThe past few years have witnessed the rapid development of liquid metal dealloying to fabricate nano-/meso-scale porous and composite structures with ultra-high interfacial area for diverse materials applications. However, this method currently has two important limitations.
Longhai Lai   +4 more
openaire   +4 more sources

Thermodynamics and Kinetics in Host Design for Dendrite‐Free Zinc Metal Anodes

open access: yesAdvanced Science, EarlyView.
This review comprehensively summarizes recent advances in host design strategies for high‐performance zinc metal anodes, and deeply elucidates their thermodynamic and kinetic design principles from the perspective of surface modification, interface engineering, and spatial confinement.
Peng Xiao Sun   +9 more
wiley   +1 more source

Thermochemical Core–Shell Architecturing of Si‐SWCNT Composites for High‐Performance Li‐Ion Battery Anodes

open access: yesAdvanced Science, EarlyView.
A thermochemically engineered core–shell Si architecture is developed through the controlled evolution of a SWCNT‐coated Mg2Si precursor. The process simultaneously generates a nanoporous Si shell for strain accommodation and Li+ transport, a chemically anchored SiC interfacial layer for robust mechanical and electrical coupling, and a Mg‐containing Si
Dong Gyun Hong   +11 more
wiley   +1 more source

Dealloying of an amorphous TiCuRu alloy results in a nanostructured electrocatalyst for hydrogen evolution reaction

open access: yesCarbon Energy, 2023
Development of an electrocatalyst that is cheap and has good properties to replace conventional noble metals is important for H2 applications. In this study, dealloying of an amorphous Ti37Cu60Ru3 alloy was performed to prepare a free‐standing ...
Jinsen Tian   +7 more
doaj   +1 more source

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