Results 81 to 90 of about 64,958 (266)

Microbial-vulcanized organic-inorganic dual-modulated cobalt hydroxide for oxygen evolution reaction

open access: yesNature Communications
Developing efficient chemical modification technologies for upgrading classic non-noble metal based electrocatalysts to further meet the demands of practical water electrolysis industry is of vital challenge.
Jia Zhang   +11 more
doaj   +1 more source

Interfacial Engineering by Metallic Ions and Organic Ammonium Ligand Passivation for Perovskite Solar Cells

open access: yesAdvanced Science, EarlyView.
A synergistic approach using phenethylammonium iodide (PEAI) and antimony iodide (SbI3) enhances the operational stabilities of perovskite solar cells by providing p‐type doping effect, suitable band energy alignment, reduced defect density, and minimized surface ion vacancies in the perovskite films.
Abraham Adenle   +17 more
wiley   +1 more source

Self-regenerating catalysts for sustainable industrial applications

open access: yesCatal
Supported metal catalysts are indispensable in a broad range of industrial processes; however, their active metal structures often undergo deactivation under harsh operating conditions, primarily caused by sintering or irreversible structural ...
Huizhen Hong   +3 more
doaj   +1 more source

Neural network-driven multi-objective optimization for solid-state hydrogen sources dead-ended proton exchange membrane fuel cell power systems

open access: yesEnergy and AI
To overcome the dual challenges of short endurance and poor environmental adaptability faced by portable mobile devices, this study proposes a dead-ended anode and cathode (DEAC), air-cooled proton exchange membrane fuel cell (PEMFC) power system based ...
Shaocong Wang   +11 more
doaj   +1 more source

Axial F–Bi–Ov Electron Pump Drives Continuous Reconfiguration of Bi Sites for Efficient Photocatalytic N2 Reduction

open access: yesAdvanced Science, EarlyView.
Axial Fluorine and Light‐Induced Oxygen Vacancies Synergize as an Electron Pump to Lower N2 Activation Energy and Enable Sustained NH3 Synthesis on FBWO. ABSTRACT The electronic structure precision of single‐atom catalysts (SACs) represents a decisive factor limiting advancements in photocatalytic nitrogen reduction (NRR) efficiency.
Xiao Ge   +6 more
wiley   +1 more source

Isosteric Substitution Enables Rational Design of Two‐Dimensional Energetic Crystals

open access: yesAdvanced Science, EarlyView.
Isosteric substitution transforms a classical nitro–amine motif into two‐dimensional aminofurazans with performance beyond TATB. ABSTRACT Two‐dimensional (2D) energetic crystals dissipate mechanical insult via interlayer slip, yet their molecular design space remains narrow.
Linyuan Wen   +6 more
wiley   +1 more source

Modular synthesis of CF2-containing compounds with PhSO2CF2H reagent through difluoromethylene radical anion synthon strategy

open access: yesNature Communications
Difluoromethylene moiety has gained widespread applications in pharmaceuticals, agrochemicals, and materials owing to its augmented lipophilicity and being bioisosteric to ethereal oxygen.
Shuo Sun   +6 more
doaj   +1 more source

Research progress on corrosion behavior in methanol and methanol-gasoline blended transport systems

open access: yesYou-qi chuyun
ObjectivePipeline transport of methanol and methanol-gasoline blends increases the risk of corrosion and stress corrosion cracking in metallic materials, posing significant threats to the safety and integrity of energy infrastructure.
Jiaqing LI   +6 more
doaj   +1 more source

ML Workflows for Screening Degradation‐Relevant Properties of Forever Chemicals

open access: yesAdvanced Science, EarlyView.
The environmental persistence of per‐ and polyfluoroalkyl substances (PFAS) necessitates efficient remediation strategies. This study presents physics‐informed machine learning workflows that accurately predict critical degradation properties, including bond dissociation energies and polarizability.
Pranoy Ray   +3 more
wiley   +1 more source

Revitalizing reformatsky reagent for catalyst-free direct alkylation with unactivated alkyl halides

open access: yesNature Communications
Reformatsky reagents are commonly employed with activated electrophiles, such as aldehydes, ketones, or activated alkyl halides. However, their limited nucleophilicity remains a considerable challenge for direct reactions with unactivated alkyl halides ...
Lingpu Meng   +6 more
doaj   +1 more source

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