Phase Engineering of Nanostructural Metallic Materials: Classification, Structures, and Applications

Chemical Reviews, Год журнала: 2024, Номер 124(3), С. 1247 - 1287

Опубликована: Янв. 23, 2024

Metallic materials are usually composed of single phase or multiple phases, which refers to homogeneous regions with distinct types the atom arrangement. The recent studies on nanostructured metallic provide a variety promising approaches engineer phases at nanoscale. Tailoring size, distribution, and introducing new structures via transformation contribute precise modification in deformation behaviors electronic nanostructural materials. Therefore, engineering is expected pave an innovative way develop advanced mechanical functional properties. In this review, we present comprehensive overview heterogeneous nanophases fundamental understanding nanophase formation for materials, including supra-nano-dual-phase nanoprecipitation- nanotwin-strengthened We first review thermodynamics kinetics principles structure, followed by discussion mechanism structural as well optimization structure electrocatalysis. Then, demonstrate origin, classification, properties characteristics dense nanoprecipitations nanotwins. Finally, summarize some potential research challenges field short perspective scientific implications design next-generation

Язык: Английский

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Construction of Heterojunction‐Rich Metal Nitrides Porous Nanosheets Electrocatalyst for Alkaline Water/Seawater Splitting at Large Current Density

Small, Год журнала: 2024, Номер 20(30)

Опубликована: Фев. 29, 2024

Abstract The exploiting electrocatalysts for water/seawater electrolysis with remarkable activity and outstanding durability at industrial grade current density remains a huge challenge. Herein, CoMoN x Fe‐doped nanosheet arrays are in‐situ grown on Ni foam, which possess plentiful holes, multilevel heterostructure, lavish Co 5.47 N/MoN@NF Fe‐Co interfaces. They require low overpotentials of 213 296 mV hydrogen evolution reaction (HER) oxygen (OER) under alkaline media to achieve 800 mA cm −2 , respectively, both Tafel slopes (51.1 49.1 dec −1 ) undiminished stability over 80 h. Moreover, the coupled electrolyzer requires voltages 1.735 V yield 500 in water. Notably, they also exhibit exceptional electrocatalytic properties seawater (1.833 V@500 ). experimental studies theoretical calculations verify that Fe doping does reduce energy barrier from OH* O* intermediates during OER process after catalyst reconstruction, non‐metallic N site MoN exhibits lowest overpotential. splendid catalytic performance is attributed optimized local electron configuration porous structure. This discovery provides new design method toward low‐cost excellent catalysts splitting produce hydrogen.

Язык: Английский

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Exploring the potential Ru-based catalysts for commercial-scale polymer electrolyte membrane water electrolysis: A systematic review

Progress in Materials Science, Год журнала: 2024, Номер 145, С. 101294 - 101294

Опубликована: Апрель 5, 2024

Язык: Английский

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Single‐Atomic‐Site Platinum Steers Middle Hydroxyl Selective Oxidation on Amorphous/Crystalline Homojunction for Photoelectrochemical Glycerol Oxidation Coupled with Hydrogen Generation

Advanced Functional Materials, Год журнала: 2024, Номер 34(26)

Опубликована: Фев. 28, 2024

Abstract Photoelectrochemical (PEC) organic conversion is a promising approach to convert low‐cost organics value‐added chemicals, which urgently needs the development of efficient and highly selective photoanodes. Here, Pt single‐atom dispersed WO 3 amorphous/crystalline homojunction for anodic glycerol oxidation reaction (GOR) coupled with cathodic hydrogen generation reported. In photoelectrocatalytic system, novel Pt‐SA/WO x photoanode reaches photocurrent density 2.85 mA cm −2 at 1.2 V versus RHE, up 297.3 mmol m h −1 rate 60.2% dihydroxyacetone (DHA) selectivity, realizing green synthesis high‐value chemicals. The experimental data theoretical calculations reveal regulated band structure, build‐in electric field, surface charge , can improve carrier lifetime, accelerate transfer, reduce energy barrier GOR process, thus boosting PEC activity DHA selectivity. This work provides feasible plan designing atomic‐level engineering constructing on photoanodes products from biomass.

Язык: Английский

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Elucidating the construction and modulation of built-in electric field in the oxygen evolution reaction

Chemical Engineering Journal, Год журнала: 2024, Номер 492, С. 152241 - 152241

Опубликована: Май 14, 2024

Язык: Английский

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Heterostructured electrocatalysts for the oxygen evolution reaction

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(30), С. 18832 - 18865

Опубликована: Янв. 1, 2024

This review focuses mainly on the overall facilitating effect of heterostructures OER process. The fabrication heterostructured electrocatalysts and relationship between their structures electrocatalytic properties are discussed.

Язык: Английский

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Surface reconstruction in amorphous CoFe-based hydroxides/crystalline phosphide heterostructure for accelerated saline water electrolysis

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 659, С. 821 - 832

Опубликована: Янв. 10, 2024

Язык: Английский

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Enhanced Spin‐Polarized Electric Field Modulating p‐Band Center on Ni‐Doped CdS for Boosting Photocatalytic Hydrogen Evolution

Small, Год журнала: 2024, Номер 20(27)

Опубликована: Янв. 24, 2024

It is a challenge to regulate charge separation dynamics and redox reaction kinetics at the atomic level synergistically boost photocatalytic hydrogen (H

Язык: Английский

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Robust P-Se bond coupling of atomically amorphous W-P clusters to crystalline WSe2 via dual p-band centers for enhanced sodium-ion storage

Energy storage materials, Год журнала: 2024, Номер 67, С. 103265 - 103265

Опубликована: Фев. 15, 2024

Язык: Английский

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Constructing built-in electric field in Co/Co9S8 heterojunction encapsulated in N, S co-doped carbon polyhedron for high-efficiency oxygen electrocatalysis

Applied Catalysis B Environment and Energy, Год журнала: 2024, Номер 349, С. 123882 - 123882

Опубликована: Апрель 24, 2024

Язык: Английский

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