Advanced design strategies for Fe-based metal–organic framework-derived electrocatalysts toward high-performance Zn–air batteries

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(5), P. 1725 - 1755

Published: Jan. 1, 2024

This article summarizes the regulation strategies of Fe-based MOFs-derived electrocatalysts for ZABs, and provides a prospect their future development.

Language: Английский

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Promoting Electrocatalytic Oxygen Reactions Using Advanced Heterostructures for Rechargeable Zinc–Air Battery Applications

ACS Nano, Journal Year: 2024, Volume and Issue: 18(33), P. 21651 - 21684

Published: Aug. 12, 2024

In order to facilitate electrochemical oxygen reactions in electrically rechargeable zinc-air batteries (ZABs), there is a need develop innovative approaches for efficient electrocatalysts. Due their reliability, high energy density, material abundance, and ecofriendliness, ZABs hold promise as next-generation storage conversion devices. However, the large-scale application of currently hindered by slow kinetics reduction reaction (ORR) evolution (OER). development heterostructure-based electrocatalysts has potential surpass limitations imposed intrinsic properties single material. This Account begins with an explanation configurations fundamentals electrochemistry air electrode. Then, we summarize recent progress respect variety heterostructures that exploit bifunctional electrocatalytic overview impact on ZAB performance. The range heterointerfacial engineering strategies improving ORR/OER performance includes tailoring surface chemistry, dimensionality catalysts, interfacial charge transfer, mass transport, morphology. We highlight multicomponent design take these features into account create advanced highly active catalysts. Finally, discuss challenges future perspectives this important topic aim enhance activity batteries.

Language: Английский

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Fe─N₄ and Fe₇Co₃ Nanoalloy Dual‐Site Modulation by Skeleton Defect in N‐Doped Graphene Aerogel for Enhanced Bifunctional Oxygen Electrocatalyst in Zinc‐air Battery

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Abstract The dual‐site electrocatalysts formed by metal single atoms combines with nanoparticles represent a promising strategy to enhance both oxygen reduction reaction (ORR) and evolution (OER) performance. Herein, defect engineering is applied ORR OER electrocatalysts. Its design, synthesis, structural properties, catalytic performance experimentally theoretically are insightfully studied for the single‐atomic Fe─N 4 adjacent Fe 7 Co 3 nanoalloy (FeCo NA ) as loading on nitrogen‐doped graphene aerogel (Fe─N/FeCo@NGA). high‐density dual‐sites, together good electronic conductivity of NGA, synergistically improve structure superior electrocatalytic activity. half‐wave potential Fe─N/FeCo@NGA in 0.92 V overpotential it 1.58 V. Corresponding all‐solid‐state Zn‐air battery demonstrates peak power density 147.6 mW cm −2 charge/discharge durability over 140 h. Theoretical calculations reveal that Fe‐N FeCo skeleton optimized further refine local structure, modulating tensile force O─O bond * OOH intermediate, leading its spontaneous dissociation facilitating significantly reduced energy barrier. This work takes shortcut application development highly efficient bifunctional atoms.

Language: Английский

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Foam-like Porous Structured Trimetal Electrocatalysts Exhibiting Superior Performance for Overall Water Splitting and Solid–Liquid Zinc–Air Batteries

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 5, 2025

Electrocatalysts through an interconnected porous structure that are highly durable, active, and affordable for industrial scale production necessary electricity conversion storage devices with superior effectiveness. In the present study, we synthesized free-standing tri-metal oxide (FeNiCoO4) on top of incredibly foam-like (FNCO) via a simple method. The enhanced FNCO-600 showed remarkable electrocatalytic activity outstanding stability to related half-cell responses regard oxygen reduction reaction (ORR = 0.757 V), evolution (OER 230 mV), hydrogen (HER 211 mV). Additionally, looked into overall efficiency water splitting using catalyst, which exhibited exceptional longevity (70 h) impressive cell voltage (1.72 V). Furthermore, as cathode, created rechargeable solid-liquid electrolyte-based Zn-air batteries demonstrated power densities 21.8 mW cm-2 167.4 noteworthy durability. Finally, how synthesize produce free-standing, catalysts provide excellent energy conversion.

Language: Английский

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Regulating electron region of central Fe atom in iron phthalocyanine by N, S-doped carbon nanofibers as efficient oxygen reduction catalysts for high-performance Zn-air battery

Carbon, Journal Year: 2024, Volume and Issue: 220, P. 118893 - 118893

Published: Feb. 1, 2024

Language: Английский

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Promoting overall sulfur redox kinetics for Li–S batteries via interfacial synergy in a NiS–NiTe₂ heterostructure-modified separator

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(18), P. 10737 - 10744

Published: Jan. 1, 2024

Lithium–sulfur (Li–S) batteries have garnered significant attention as a promising alternative to conventional lithium-ion due their high theoretical energy density.

Language: Английский

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MOFs meet COFs: Ultra-low Ru loaded oxygen reduction reaction electrocatalyst with biomimetic branch-leaf structure for rechargeable Zn-air batteries

Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 109, P. 115229 - 115229

Published: Jan. 5, 2025

Language: Английский

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Engineering the Active Sites of MOF‐derived Catalysts: From Oxygen Activation to Activate Metal‐Air Batteries^†

Chinese Journal of Chemistry, Journal Year: 2024, Volume and Issue: 42(20), P. 2520 - 2535

Published: June 19, 2024

Comprehensive Summary The electrochemical processes of oxygen reduction reaction (ORR) and evolution (OER) play a crucial role in various energy storage conversion systems. However, the inherently slow kinetics reversible reactions present an urgent demand for development efficient electrocatalysts. Recently, metal‐organic framework (MOF) derivatives have attracted extensive attention electrocatalysis research due to their unique porous structure, abundant active sites, tunable structural properties. Especially, optimization electronic structure sites MOF has been proven as effective strategy enhance catalytic activity. In this review, we provide overview strategies advanced catalysts O—O bond activation reactions, including construction synergistic effects between multiple heterogeneous interfaces, utilization metal support interactions, precise modulation organic ligands surrounding at atomic level. Furthermore, review offers theoretical insights into mechanisms derivatives, well identification sites. Finally, potential challenges prospects are discussed. This contributes understanding advancement Key Scientists

Language: Английский

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Composition regulation of transition metal electrocatalysts derived from zeolite imidazolate frameworks for Zn-air batteries

Energy storage materials, Journal Year: 2024, Volume and Issue: 70, P. 103556 - 103556

Published: June 1, 2024

Language: Английский

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Porous carbon nanosheets loaded Co4N as ORR/OER bifunctional catalysts for zinc-air battery

Applied Surface Science, Journal Year: 2024, Volume and Issue: unknown, P. 161212 - 161212

Published: Sept. 1, 2024

Language: Английский

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