Results 131 to 140 of about 3,054,371 (368)

Skeletal High‐Strength Nanoporous Copper and Metamaterials: The Hakka Tulou Design Heritage

open access: yesAdvanced Materials, EarlyView.
Inspired by the Hakka Tulou walls, skeletal nanoporous copper is fabricated via a two‐phase MnCu precursor and controlled dealloying. This strategy achieves high strength (200 MPa) and large specific surface area (27.6 m2/g), and extends to lattice metamaterials with hierarchical porosity, offering new design pathways for multifunctional metal ...
Haozhang Zhong   +8 more
wiley   +1 more source

Suppressing Metal Dissolution in Multi‐Grained Catalysts Through Intragrain Atomic Ordering for Stable Fuel Cells

open access: yesAdvanced Materials, EarlyView.
This study presents a novel approach room‐temperature ultrasound assisted atomic ordering method using to fabricate multi‐grained NiPt nanoalloys with an intermetallic Ni3Pt5 phase. The resulting catalyst exhibits state‐of‐the‐art durability and activity in all operational condition of proton exchange membrane fuel cells. Structural and electrochemical
Eungjun Lee   +20 more
wiley   +1 more source

High‐Entropy Materials for Water Splitting: An Atomic Nanoengineering Approach to Sustainable Hydrogen Production

open access: yesAdvanced Materials, EarlyView.
High‐entropy materials (HEMs), typically composed of five or more principal elements in near‐equimolar ratios, offer significant potential due to their unique properties. This review outlines the emergence and structural evolution of HEMs, followed by an in‐depth discussion of the elemental roles (active sites, promoters, or stabilizers) for water ...
Yufei Zhao   +9 more
wiley   +1 more source

Activation and Stabilization Strategies of Aluminum Metal Anode Toward High Performance Aqueous Al Metal Batteries

open access: yesAdvanced Materials, EarlyView.
This review spotlights the critical challenges faced by aluminum metal anodes and aqueous electrolytes. Recent progress on activating and stabilizing Al metal anode is summarized and discussed in terms of two aspects, including anode engineering and electrolyte optimization. Finally, some revelatory insights and possible strategies are provided for the
Huaming Yu   +7 more
wiley   +1 more source

Magnetocrystalline Anisotropic Platinum–Palladium–Iron Ternary Intermetallic Alloy for Enhanced Fuel Cell Electrocatalysis

open access: yesAdvanced Materials, EarlyView.
In this study, how crystallographic anisotropy governs the catalytic process is investigated by comparing the tetragonal L10 and cubic L12 ordered phases in a newly developed PtPdFe ternary intermetallic system. New insights into the fundamental understanding of the ordered Pt‐based ternary intermetallic alloys are introduced, unveiling ...
Muhammad Irfansyah Maulana   +10 more
wiley   +1 more source

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