In Situ Raman Study of Layered Double Hydroxide Catalysts for Water Oxidation to Hydrogen Evolution: Recent Progress and Future Perspectives

Energies, Journal Year: 2024, Volume and Issue: 17(22), P. 5712 - 5712

Published: Nov. 15, 2024

With the increasing global emphasis on green energy and sustainable development goals, electrocatalytic oxygen evolution reaction (OER) is gradually becoming a crucial focus in research water oxidation for hydrogen generation. However, its complicated processes associated with high barrier severely limit efficiency of conversion. Recently, layered double hydroxide (LDH) has been considered as one most promising catalysts alkaline media. Nonetheless, lacking deep insight into kinetic process OER detrimental to further optimization LDH catalysts. Therefore, monitoring catalytic via surface-sensitive situ spectroscopy especially important. In particular, Raman technique capable providing fingerprint information surface species intermediates operating environment. From perspective spectroscopy, this paper provides an exhaustive overview progress characterization mechanism catalysts, theoretical guidance designing materials. Finally, we present incisive discussion challenges future trend.

Language: Английский

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Synthesis, characterization and investigation electrocatalytic property of nickel(II) complex based on 1,2-bis(diphenylphosphino)ethane for hydrogen generation and hydrogen oxidation

Journal of Molecular Structure, Journal Year: 2025, Volume and Issue: unknown, P. 141702 - 141702

Published: Feb. 1, 2025

Language: Английский

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Alkaline capacity decay induced vacancy-rich LDH for high-performance magnesium ions hybrid supercapacitor

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 679, P. 43 - 53

Published: Sept. 27, 2024

Language: Английский

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Highly efficient Mn2+ deposition induced by H-vacancies of NiMn-LDH nanosheets for durable zinc ion batteries

Energy storage materials, Journal Year: 2024, Volume and Issue: 74, P. 103887 - 103887

Published: Nov. 5, 2024

Language: Английский

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Challenges and opportunities in 2D materials for high-performance aqueous ammonium ion batteries

National Science Review, Journal Year: 2024, Volume and Issue: 12(2)

Published: Nov. 28, 2024

ABSTRACT Aqueous ammonium ion batteries (AAIBs) have attracted considerable attention due to their high safety and rapid diffusion kinetics. Unlike spherical metal ions, NH4+ forms hydrogen bonds with host materials, leading a unique storage mechanism. A variety of electrode materials been proposed for AAIBs, but performance often falls short in terms future energy needs. Hence, there is critical need design develop advanced AAIBs. 2D tunable interlayer spacing, remarkable interfacial chemistry abundant surface functional groups, are an ideal choice storage. This review highlights the latest research on providing insights into working principles, mechanisms control strategies designing high-performance Furthermore, summary perspectives development AAIBs provided, aiming promote advancement

Language: Английский

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Flash Joule Heating Synthesis of Layer-Stacked Vanadium Oxide/Graphene Hybrids within Seconds for High-Performance Aqueous Zinc-Ion Batteries

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 18, 2024

Vanadium oxides have been regarded as highly promising cathodes for aqueous zinc-ion batteries (ZIBs). However, obtaining high-performance vanadium oxide-based suitable industrial application remains a significant challenge due to the need cost-effective, straightforward, and efficient preparation methods. Herein, we present facile rapid synthesis of composite cathode, consisting layer-stacked VO

Language: Английский

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Heterostructure Design of Amorphous Vanadium Oxides@Carbon/Graphene Nanoplates Boosts Improved Capacity, Cycling Stability and High Rate Performance for Zn²⁺ Storage

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 26, 2024

Abstract As a promising power supplier, flexible aqueous zinc ion batteries (AZIBs) have drawn great attention and been demonstrated potential applications in portable electronic devices, yet their capacity, stability, rate performance are severely limited by cathode materials. Herein, spontaneous encapsulation situ phase transformation strategy is proposed for the construction of heterostructured amorphous vanadium oxide@carbon/graphene (A‐VO x @C/G) nanoplates as highly stable efficient materials Zn 2+ storage. In this design, A‐VO provides abundant active sites with rapid diffusion channels robust tolerance against insertion/extraction, while N‐doped carbon interlaced graphene network ensure electron transfer. The mechanisms respectively during electrochemical amorphization charge storage cycling investigated detail. as‐prepared @C/G achieves an outstanding 429 mAh g −1 at 0.5 A , 73% retained 20 (315 ), excellent stability over 2000 cycles (91% retention). Moreover, quasi‐solid‐state AZIBs assembled from exhibit high flexibility can sustain large mechanical deformation without degradation. It believed that study guideline toward designing high‐performance through structure optimization.

Language: Английский

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Constructing hollow cobalt sulfide nanocages strung by manganese molybdate nanorods for high-efficiency supercapacitors and electrocatalytic methanol oxidation

Journal of Alloys and Compounds, Journal Year: 2024, Volume and Issue: unknown, P. 176670 - 176670

Published: Sept. 1, 2024

Language: Английский

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