Electrospun Inorganic Nanofibers for Oxygen Electrocatalysis: Design, Fabrication, and Progress

This review covers the design and fabrication of oxygen electrocatalysts toward metal‐air batteries and fuel cells, prepared through electrospinning, that mainly contain heteroatom‐doped electrospun carbon nanofibers (ECNFs), ECNFs functionalized with transition metal nanoparticles and their compounds (alloy, oxides, carbides, nitrides, sulfides, phosphides),...

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The Hidden Potential of Luminescent Solar Concentrators

Luminescent solar concentrators are typically seen as flat, planar devices for concentrating sunlight; however, the devices have recently been employed in a much broader range of configurations and applications. Here the versatile and innovative methods in which these devices have been employed are explored, reaching industries including agriculture,...

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Solid Electrolytes for High‐Temperature Stable Batteries and Supercapacitors

The use of solid electrolytes (SEs) could be a potential solution to the thermal runaway problems connected to battery and supercapacitor related exothermic electrochemical reactions. Details of the thermal stability of modern SEs, ionic transport mechanisms, kinetics, thermal models, recent advances, challenges, and future prospects are discussed in...

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Fast Proton Insertion in Layered H2W2O7 via Selective Etching of an Aurivillius Phase

H2W2O7, a metastable material synthesized via selective etching of the Aurivillius‐related Bi2W2O9, can serve as an electrode for high power aqueous proton‐based energy storage with sub‐minute charging time and cyclability over 100 000 cycles. It highlights the use of selective etching of layered perovskites for the synthesis of metastable transition...

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Impact of Local Separation on the Structural and Electrochemical Behaviors in Li2MoO3LiCrO2 Disordered Rock‐Salt Cathode Material

This work shows how specific atomic arrangements can significantly affect the structural and electrochemical behaviors of disordered rock‐salt materials. Combined anisotropic local distortions involving a formation–dissociation of short metal–metal bonds lead to minimal lattice volume changes during cycling. Fast/sluggish Li+ diffusion in Li‐rich/Li‐poor...

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Applications of Self‐Assembled Monolayers for Perovskite Solar Cells Interface Engineering to Address Efficiency and Stability

Recent progress is reviewed in applying self‐assembled monolayers in perovskite solar cells to improve surface morphology, energy band alignment, reduced interfacial charge recombination, and the trap passivation mechanism. The opportunities for molecular design of self‐assembled monolayers in enhancing the power conversion efficiency and stability...

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Single Ru Atoms Stabilized by Hybrid Amorphous/Crystalline FeCoNi Layered Double Hydroxide for Ultraefficient Oxygen Evolution

Herein, hybrid amorphous/ crystalline FeCoNi layered double hydroxide (LDH)‐supported single Ru atoms (Ru SAs/AC‐FeCoNi) are developed to enable a highly efficient electrocatalytic oxygen evolution reaction. The amorphous outer layer in Ru SAs/AC‐FeCoNi is composed of abundant defect sites and unsaturated coordination sites, which can serve as anchoring...

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Carbon Nanotubes for Photovoltaics: From Lab to Industry

The potential for carbon nanotubes in the field of photovoltaics is multifaceted and broad. This Progress Report examines their use in organic and silicon based solar cells and discusses the challenges related to future industrial application. Abstract The use of carbon nanotubes (CNTs) in photovoltaics could have significant ramifications...

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Understanding the Selectivity of the Oxygen Reduction Reaction at the Atomistic Level on Nitrogen‐Doped Graphitic Carbon Materials

Understanding the selectivity of the oxygen reduction reaction (ORR) is of great importance for designing appropriate materials, either for alternative energy application in fuel cells or for on‐site hydrogen peroxide production in environmental remediation applications. The mechanisms for the ORR on N‐doped graphitic carbon materials are presented,...

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Stacking Faults Hinder Lithium Insertion in Li2RuO3

Two types of stacking faults were visualized in Li2RuO3 by scanning transmission electron microscopy and recognized as the origin for the sluggish lithium diffusion and the resultant significant capacity loss in the first cycle on the basis of density functional theory calculations and comprehensive characterizations. Abstract Layered transition...

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