Tuning interface mechanism of FeCo alloy embedded N,S-codoped carbon substrate for rechargeable Zn-air battery

Journal of Energy Chemistry, Journal Year: 2024, Volume and Issue: 93, P. 400 - 410

Published: March 6, 2024

Language: Английский

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Recent Design Strategies for M‐N‐C Single‐Atom Catalysts in Oxygen Reduction: An Entropy Increase Perspective

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(36)

Published: March 18, 2024

Abstract Recently, a diverse array of novel metal‐nitrogen‐carbon (M‐N‐C) single‐atom catalysts (SACs) have rapidly evolve, particularly in the realm oxygen reduction reaction (ORR). Despite plethora proposed design and improvement strategies for SACs, comprehensive review systematically compiling components M‐N‐C from unified perspective is notably absent. For first time, thorough examination each component conducted, focusing on entropy increase active sites SACs. single M‐N 4 whole system, an implies elevated degree disorder chaos. Broadly, entropy‐increasing modification M (single mental sites) guest groups entails augmentation chaos, with most effective co‐catalytic synergy achieved by establishing multiple through “cocktail effect”. Concerning N (nitrogen other heteroatoms) C (carbon supports), induces heightened disorder, symmetry breaking more likely to drive toward adsorbing molecules attain equilibrium symmetric structure. All these innovative led remarkable ORR activity stability offer guiding criterion future preparation

Language: Английский

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Simultaneous regulation of thermodynamic and kinetic behavior on FeN3P1 single-atom configuration by Fe2P for efficient bifunctional ORR/OER

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 347, P. 123796 - 123796

Published: April 24, 2024

Language: Английский

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Atomically dispersed Fe-N-C catalyst with densely exposed Fe-N4 active sites for enhanced oxygen reduction reaction

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 485, P. 149529 - 149529

Published: Feb. 12, 2024

Language: Английский

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Atomically Dispersed p‐Block Aluminum‐Based Catalysts for Oxygen Reduction Reaction

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(20)

Published: March 13, 2024

The main group metals are commonly perceived as catalytically inert in the context of oxygen reduction reactions (ORR) due to delocalized valence orbitals. Regulating local environment and structure metal center coordinated by nitrogen ligands (M-N

Language: Английский

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Anchoring Fe Species on the Highly Curved Surface of S and N Co‐Doped Carbonaceous Nanosprings for Oxygen Electrocatalysis and a Flexible Zinc‐Air Battery

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 63(7)

Published: Dec. 15, 2023

Oxygen reduction reaction (ORR) is of critical significance in the advancement fuel cells and zinc-air batteries. The iron-nitrogen (Fe-N

Language: Английский

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Unravelling the Tip Effect of Oxygen Catalysis in Integrated Cathode for High-Performance Flexible/Wearable Zn–Air Batteries

Advanced Fiber Materials, Journal Year: 2024, Volume and Issue: 6(5), P. 1470 - 1482

Published: May 15, 2024

Language: Английский

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Innovative strategies for designing and constructing efficient fuel cell electrocatalysts

Chemical Communications, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Polymer electrolyte membrane fuel cells (PEMFCs) are one of the most promising energy conversion devices due to their high efficiency and zero emission; however, two major challenges, cost short lifetime, have been hindering commercialization cells. Achieving low-Pt or non-precious metal oxygen reduction reaction (ORR) electrocatalysts is main research ideas in this field. In review, degradation mechanism Pt-based catalysts firstly explained elucidated, then five strategies suggested for Pt usage without loss activity durability: modulation metal-support interactions, optimization local ionomers mass transport, composition, structure, multi-site synergistic effects. For carbon-based catalysts, problems challenges faced by heteroatom/transition-metal doped discussed, several improve carbon suggested. Particularly, an innovative quantum well catalyst structure reported quite recently presented which may open up new prospects development cell technology. Finally, review concludes with a brief conclusion future electrocatalysts.

Language: Английский

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Optimizing ammonium vanadate crystal structure by facile in situ phase transformation of VO₂/NH₄V₄O₁₀ with special micro–nano feature for advanced aqueous zinc ion batteries

Inorganic Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 11(4), P. 1266 - 1278

Published: Jan. 1, 2024

NH 4 + -defected V O 10 with microflower morphology was synthesized via hydrothermal method and in situ phase transition to improve specific capacity (494.0 mA h g −1 ), Zn 2+ diffusion efficiency structural stability (71.8% for 2000 cycles).

Language: Английский

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A carboxylate linker strategy mediated densely accessible Fe-N4 sites for enhancing oxygen electroreduction in Zn-air batteries

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 665, P. 879 - 887

Published: March 29, 2024

Language: Английский

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