Study on the Hydrogen Evolution Reaction Performance of Graphene Synthesized by Detonation Approach DOI

Xitao Qiao,

Shuaidong Wang, Jiale Zhang

et al.

Catalysis Letters, Journal Year: 2024, Volume and Issue: 155(1)

Published: Nov. 13, 2024

Language: Английский

Construction of Transition Metal-Based MoNi4/WO3 Heterostructure for Enhanced Hydrogen Evolution Reaction DOI
Xiaoxiao Yin, Xiao Fu,

Xu Liu

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 17, 2025

Language: Английский

Citations

0

Advancements in Seawater Electrocatalysis for Renewable Energy Conversion and Resource Extraction DOI Creative Commons
Zheng Dai, Yihan Zhang, Huashuai Hu

et al.

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

Published: March 20, 2025

Abstract Given the rising global energy demand and increasing emphasis on environmental protection, development of renewable conversion technologies to replace fossil fuels has emerged as a critical research priority. Among these technologies, seawater electrocatalysis garnered attention high‐efficiency environmentally friendly approach. This review summarizes recent advancements in for resource extraction, covering reaction mechanisms hydrogen production via electrolysis progress electrocatalytic materials. Specifically, we discuss materials based non‐precious metals, precious nonmetals, bifunctional electrocatalysts. Additionally, inorganic pollutants (e. g., hydrazine, sulfides) organic compounds urea, microplastics) is reviewed, emphasizing its significance marine utilization remediation. We also explore electrochemical strategies extracting valuable metal ions, such calcium, magnesium, uranium, lithium, abundant seawater. Although faces challenges terms cost technical scalability, technology interdisciplinary collaboration offer promising prospects commercialization with potential make substantial contributions sustainable development.

Language: Английский

Citations

0

Constructing Pt Clusters on Oxidation-Functionalized Carbon Nanotubes for Robust Electrocatalytic Hydrogen Production DOI

Jie Gan,

Jiale Shi,

Huiyun Wang

et al.

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

Published: March 25, 2025

Language: Английский

Citations

0

Visualization of the Key Proton Activities in Hydrogen Evolution Reaction by Electrochromic Catalyst DOI
Yaping Jiang, Jun Hu,

Hang Cai

et al.

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

Published: April 21, 2025

Abstract The electrocatalytic hydrogen evolution reaction (HER) is a promising route to produce sustainable energy carrier for global carbon neutrality. HER performance largely determined by the overall proton activities, but identification of such key activities in microscopic process rather difficult. Herein, study demonstrates visualized concept integrating fundamental with electrochromic technology on well‐designed Pt@WO 3 platform acidic electrolyte, where can be rapidly discriminated color changes electrode. In contrast bare WO counterpart, electrode displays more positive potential initial‐coloration state and faster decoloration rate associated significantly improved kinetics intercalation deintercalation within component. Correspondingly, as‐prepared catalyst exhibits remarkable activity lower onset‐potential (45 mV, adsorption accumulation) smaller Tafel slope (50 mV dec −1 , desorption), nearly 11.1‐ 3.5‐fold enhancement than those counterpart. It believed that work interesting visualization functionality into may improve readability advance exploration intelligent electrocatalysts.

Language: Английский

Citations

0

Modulation of Atomically Dispersed Ru Microenvironments by a Directed Etch Template Strategy for Efficient Nitrogen Fixation DOI
Zhiya Han,

Jiaxi Yuan,

Gaijuan Guo

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(13), P. 15606 - 15614

Published: June 26, 2024

The synthesis of ammonia (NH3) via the Haber–Bosch process is energy-intensive and environmentally challenging, necessitating development sustainable alternatives. Herein, we report a directed etch template strategy to create atomically dispersed Ru–N4 active sites within layered porous carbon (NC@Ru) for efficient electrochemical nitrogen reduction reaction (NRR). removal MgO results in an interconnected network with hierarchical structures, significantly enhancing accessibility mass transfer sites. NC@Ru catalyst demonstrated superior NRR performance, achieving yield rate 196.2 μg h–1 mgcat.–1 Faradaic efficiency 43.8%. In situ spectrometry was employed analyze kinetics, while density functional theory calculations were utilized elucidate mechanism identify rate-determining step. work introduces novel high-performance electrocatalytic provides practical optimizing active-site microenvironments, laying groundwork future commercial applications NRR.

Language: Английский

Citations

3

Sustainability assessment of seawater splitting: Prospects, challenges, and future directions DOI Creative Commons
Hicham Meskher, Abebe Reda Woldu, Paul K. Chu

et al.

EcoEnergy, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 10, 2024

Abstract Seawater splitting is one of the desirable techniques for producing green hydrogen from vast natural resource. Several reports about designing and fabricating efficient electrocatalysts to boost oxygen evolution reaction have been published. However, they mainly focus on electrodes, electrocatalysts, cost, system stability. This article presents an overview seawater by highlighting most challenging issues that complicate electrolysis, such as durability, guide future research in this important area. The strategy launch life cycle assessments described evaluate short long‐term impacts. Finally, current challenges prospective solutions are discussed.

Language: Английский

Citations

3

Advances and Outlook of Ti3C2-Based Catalysts for Electrocatalytic Hydrogen Production: A Comprehensive Overview DOI

D. Sivaraj,

Padmanaban Annamalai, Radhalayam Dhanalakshmi

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(21), P. 20258 - 20284

Published: Oct. 15, 2024

Understanding the importance of sustainable and renewable energy sources as well effective conversion technologies is crucial to tackling various challenges we face today. Hydrogen has arisen one most important sources, driven by growing global demand for environmental concerns. Electrocatalysis plays a pivotal role in advancement economy enabling production efficient hydrogen production. Currently, electrochemical are increasingly becoming integral our daily lives, reflecting their significance potential addressing sustainability issues. The present investigation provides thorough analysis latest developments catalysts used electrocatalytic It delves into synthesis, properties, catalytic mechanisms Ti3C2 while also highlighting recent research progress made Ti3C2-based catalysts. synthesis MXene explored, focusing on different selective etching methods effects structural surface properties materials produced. Exploring detailed MXene, such its conductivity, chemistry, mechanical stability, solid foundation which understand performance. process evolution reaction (HER) crucial, with focus terminations electronic structure promoting A comprehensive provided, encompassing wide range material combinations. This involves use bare terminations, combined transition metal phosphides (TMPs), chalcogenides (TMCs), oxides, metals, hybrid that include carbonaceous components. Studies have shown combination other leads significant improvements HER activity, synergistic between them. These advances overpotential, Tafel slope, overall effectiveness catalysis. review highlights current suggests future perspectives electrocatalysts

Language: Английский

Citations

3

Direct seawater electrolysis: Breaking the dependency on noble metal-based electrocatalysts DOI
Mi Gyoung Lee‬,

Seoungyeon Kim,

Yong-Kul Lee

et al.

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 130, P. 89 - 107

Published: April 25, 2025

Language: Английский

Citations

0

Robust Activity and Stability of P-Doped Fe–Carbon Composites Derived from MOF for Bromate Reduction DOI
Long Li, Xuechun Wang, Heyun Fu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(17), P. 21838 - 21848

Published: April 18, 2024

Iron-based materials are effective for the reductive removal of disinfection byproduct bromate in water, while construction highly stable and active Fe-based with wide pH adaptability remains greatly challenging. In this study, dispersed iron phosphide-decorated porous carbon (Fe2P(x)@P(z)NC-y) was prepared via thermal hydrolysis Fe@ZIF-8, followed by phosphorus doping (P-doping) pyrolysis. The reduction performances Fe2P(x)@P(z)NC-y were evaluated. Characterization results showed that Fe, P, N elements homogeneously distributed carbonaceous matrix. P-doping regulated coordination environment Fe atoms enhanced conductivity, porosity, wettability As a result, Fe2P(x)@P(1.0)NC-950 exhibited reactivity stability an intrinsic kinetic constant (kint) 1.53-1.85 times higher than Fe(x)@NC-950 without P-doping. Furthermore, Fe2P(0.125)@P(1.0)NC-950 displayed superior efficiency prominent very low leaching (4.53-22.98 μg L-1) range 4.0-10.0. used could be regenerated phosphating, maintained 85% its primary activity after five reuse cycles. study clearly demonstrates Fe2P-decorated can applied as robust material aqueous reduction.

Language: Английский

Citations

2

Focused Review on the Use of Bimetallic Alloy Nanoparticle Electrocatalysts in Water Splitting Reactions DOI
Ankur Kumar, Sasanka Deka

The Journal of Physical Chemistry C, Journal Year: 2024, Volume and Issue: 128(45), P. 19037 - 19054

Published: Oct. 30, 2024

Alloy nanoparticles (NPs) have garnered significant attention in the diverse scientific and technological fields. Their unique ability to engineer structures promote formation of multifunctional composites with enhanced performance at nanoscale has fueled this interest. NPs offer advantages electrolysis, making them a promising material for green H2 evolution. This Review explores design development various alloy nanomaterials their potential as efficient electrocatalysts water-splitting reactions. Water electrolysis comprises two half-cell reactions: hydrogen evolution reaction (HER) or water reduction cathode oxygen (OER) oxidation anode. Both reactions involve multielectron transfer processes that require highly active catalysts minimize overpotential during electrocatalysis. An ideal electrocatalyst should exhibit comparable Pt HER surpass IrO2/RuO2 OER suitable conditions. discusses bimetallic materials HER, OER, overall splitting media, highlighting best-reported electrocatalysts.

Language: Английский

Citations

2