Recent Progress on Layered Double Hydroxides for Electrocatalytic Small Molecules Oxidation to Synthesize High-Value Chemicals and Degrade Pollutants DOI Creative Commons
Z. W. Ge, Chao‐Hsien Chu, Cong Wang

et al.

Science for energy and environment., Journal Year: 2024, Volume and Issue: unknown, P. 10 - 10

Published: Dec. 10, 2024

Review Recent Progress on Layered Double Hydroxides for Electrocatalytic Small Molecules Oxidation to Synthesize High-Value Chemicals and Degrade Pollutants Zi-Qi Ge 1 Chao Chu 2 Cong Wang 3 Ruchun Li 4,* Jingwei 2,* San Ping Jiang Jilin Joint Technology Innovation Laboratory of Developing Utilizing Materials Reducing Pollution Carbon Emissions, College Engineering, Normal University, Siping 136000, China National Energy Key New Hydrogen-Ammonia Technologies, Foshan Xianhu Laboratory, 528216, Bingtuan Development Institute, Shihezi 832000, 4 Faculty Chemistry Chemical Yunnan Kunming 650500, * Correspondence: [email protected] (S. P. J.); [email protected] (J. L.); [email protected] (R. L.) Received: 25 October 2025; Revised: 12 November 2024; Accepted: 6 December Published: 10 2024 Abstract: Researchers worldwide are developing innovative luminescent systems with exceptional features like high sensitivity. Luminescent frameworks based aggregation-induced emission (AIE) have emerged as promising candidates various applications. Over the past decade, porous materials metal-organic cages (MOCs) incorporating AIE luminogens (AIEgens) demonstrated performance. Chirality plays a significant role in specific non-racemic systems, particularly circularly polarized luminescence (CPL). Chiral organic coordinated metals, including MOCs, gained importance they combine ligands coordination-bonded metal centers, enabling design novel structures CPL. These shown exciting potential applications fields CPL-OLED, chiral recognition, sensing. This review article provides an overview recent progress emissive materials, specifically their possible Additionally, focuses AIEgen-based cages, CPL-active non-AIEgen-based practical sensing enantioselectivity, future prospects. challenges AIE-based POCs MOCs include limited stability, affecting use wide-surface thin films, need understand molecular structure topology impacts. Future efforts should enhance efficiency explore sensing, supramolecular assemblies, bioimaging, optoelectronics, driving innovation smart materials.

Language: Английский

Differentiated Modulating the Electronic Structure of NiFe@Ni/Fe‐MnOx via Phase Transformation Engineering to Synergy Promote Bifunctional Water Splitting Reactions DOI Open Access
Min Feng, Yu Tang, Zhimin Li

et al.

Small, Journal Year: 2025, Volume and Issue: 21(7)

Published: Jan. 7, 2025

Abstract Modulating electronic structure to balance the requirement of both hydrogen evolution reaction (HER) and oxygen (OER) is crucial for developing bifunctional catalysts. Herein, phase transformation engineering utilized separately regulate catalyst structure, designed NiFe@Ni/Fe‐MnOOH schottky heterojunction exhibits remarkable electrocatalytic activity with low overpotentials 19 230 mV at 10 mA cm −2 HER OER in 1M KOH, respectively. Meanwhile, an anion‐exchange membrane water electrolyzer employing as electrodes shows voltages 1.487/1.953 V 10/1000 , operating over 200 h 1000 . Combining theoretical calculations experiments reveal that can differentially active phases HER/OER. In HER, Ni/Fe‐MnOOH metallic NiFe act *OH *H acceptors respectively accelerates dissociation subsequent Heyrovsky/Tafel step. While OER, significant Jahn‐Teller effect Mn 3+ induces surface reconstruction from Ni/Fe‐MnO 2 The formative high value 4+ modify M‐O hybridization activate lattice mechanism, which pivotal breaking restriction volcanic relationship reducing overpotential. These findings provide valuable design guidelines high‐performance multi‐functional electrocatalysts via engineering.

Language: Английский

Citations

1
Exploring Suitability of Solid 3D Substrates for Designing Self-Supported Electrocatalysts for Water Splitting DOI
Baghendra Singh

Dalton Transactions, Journal Year: 2024, Volume and Issue: 53(37), P. 15390 - 15402

Published: Jan. 1, 2024

The choice of solid 3D substrates to design electrocatalysts significantly impacts the efficiency and effectiveness self-supported used in water splitting. These are pivotal boosting performance by providing structural support, facilitating electron transport, increasing active surface area. This improvement leads higher catalytic better stability, ultimately optimizing electrocatalytic process. interaction between substrate electrocatalyst can also affect intrinsic properties catalyst, further influencing its performance. Therefore, understanding use is vital for advancing water-splitting technologies. article explores critical role enhancing activity materials By examining recent developments research this region, we target showcase a comprehensive how different influence highlight future directions these systems applications.

Language: Английский

Citations

4
Spin Magnetic Effect Activate Dual Site Intramolecular O─O Bridging for Nickel‐Iron Hydroxide Enhanced Oxygen Evolution Catalysis DOI Creative Commons

Haohai Dong,

Lanke Luo,

Shaobing Zhou

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Abstract The oxygen evolution reaction (OER) involves the recombination of diamagnetic hydroxyl (OH) or water (H 2 O) into paramagnetic triplet state (O ). spin conservation intermediates plays a crucial role in OER, however, research on dynamics during catalytic process remains its early stages. Herein, β ‐Ni(OH) and Fe‐doped (Ni 5 Fe 1 ) are utilized as model catalysts to understand mechanism magnetic effects at iron (III) sites OER. Combined with characterization, it is founded that introduction transforms antiferromagnetic Ni(OH) ferromagnetic material. Testing response catalyst under an external field, OER activity Ni significantly enhanced comparison . This improvement likely due sites, which promote enhance kinetics, thereby increasing efficiency. Combining experimental theoretical discovered accelerate formation heterogeneous dual‐site O─O bridging, represented ─Ni─O─O─Fe─, effectively enhancing kinetics reaction. study provides perspective structure‐function relationship iron‐based has significant implications for design new catalysts.

Language: Английский

Citations

0
Hollow Mo Doped CoS2 Polyhedron Derived from Polyoxometalate‐based Metal‐Organic Frameworks for Efficient Overall Water Splitting DOI
Jingwen Zhang,

Zeyang He,

Hao Fu

et al.

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(4)

Published: Jan. 1, 2025

Abstract Nowadays, the sluggish hydrogen evolution reaction (HER) and oxygen (OER) kinetics are key obstacles limiting commercial application of water splitting. In this study, a size‐matching strategy is proposed to construct molybdenum‐doped CoS 2 polyhedra (Mo‐CoS ) by encapsulating polyoxometalate (POM, H 3 PMo 12 O 40 guests into mesoporous zeolite imidazolium framework‐67 (ZIF‐67), with thioacetamide (TAA) serving as gentle sulfur source. The catalyst exhibits pronounced hollow structure due synergistic etching effects POM TAA, which can increase number active sites. Additionally, incorporation Mo optimizes electronic structure, thereby improving both HER OER performance. alkaline electrolytes, Mo‐CoS delivers an overpotential 330 mV 269 for HER, respectively, produce current density 100 mA cm −2 . Moreover, demonstrates exceptional performance in overall splitting, achieving cell voltage 1.55 V at 10 , along outstanding long‐term stability. This study provides promising avenue structural component optimization cobalt sulfide, could significantly improve efficiency production.

Language: Английский

Citations

0
Frank Partial Dislocation Pinning Effect Engineered IrNi Alloy Nanoparticles for Water Splitting DOI
Yunjie Liu, Yongbin Xu, Yu Tian

et al.

ACS Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 3378 - 3390

Published: Feb. 10, 2025

Language: Английский

Citations

0
An Electrolyte Additive Strategy for Enhancing Water-Splitting Hydrogen Production of Nickel-Based Electrodes DOI

Pengbo Xiang,

Yanqi Li, Jie Zheng

et al.

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Sustainable water electrolysis has emerged as a future technology for producing green hydrogen. The general approach to improving water-splitting hydrogen production is develop novel electrode materials. In this work, we reported an orthogonal approach, namely, regulating the electrolyte components. As proof of concept, Na2S additive was introduced electrolytes enhance performance Ni-based electrodes. Specifically, tiny amount (50 mM) employed reduce evolution overpotential Ni(OH)2 from 262 193 mV at 10 mA cm-2. situ Raman studies unveiled formation NiS active phase and S-H bond during electrocatalysis, which were responsible such improvement. Moreover, strategy also showed its success in other materials metallic Ni foam, saline water, catalytic reaction systems oxygen evolution.

Language: Английский

Citations

0
CNT‐Supported RuNi Composites Enable High Round‐Trip Efficiency in Regenerative Fuel Cells DOI Open Access
Chunfeng Li, Danning Li, Lubing Li

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

Abstract Regenerative fuel cells hold significant potential for efficient, large‐scale energy storage by reversibly converting electrical into hydrogen and vice versa, making them essential leveraging intermittent renewable sources. However, their practical implementation is hindered the unsatisfactory efficiency. Addressing this challenge requires development of cost‐effective electrocatalysts. In study, a carbon nanotube (CNT)‐supported RuNi composite with low Ru loading developed as an efficient stable catalyst alkaline oxygen electrocatalysis, including evolution, oxidation, reduction reaction. Furthermore, regenerative cell using assembled evaluated under relevant conditions. As anticipated, system exhibits outstanding performance in both electrolyzer modes. Specifically, it achieves voltage 1.64 V to achieve current density 1 A cm − 2 mode delivers high output 0.52 at same mode, resulting round‐trip efficiency (RTE) 31.6% without further optimization. The multifunctionality, activity, impressive RTE resulted composites underscore its single cells.

Language: Английский

Citations

0
Interfacial Bridge Bonds Induced Strong Electronic Coupling of Co@V‐WOx Catalyst for Enhanced Concurrent Co‐Electrolysis Performance DOI Open Access
Yilin Wu, Zhangjing Yu, Yun Tong

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Abstract The integration of the hydrogen evolution reaction (HER) with glycerol oxidation (GOR) presents a promising strategy for production high‐value chemicals. Herein, strongly electronically coupled Co@V‐WO x material is presented an amorphous nanosheet morphology, synthesized via one‐step electrodeposition method. Experimental and theoretical investigations reveal that V doping induces robust electronic interactions between Co V‐WO host through formation Co─O─V/W interfacial bridge bonds, enhancing electron transfer capability superior activity. As result, catalyst achieves exceptionally low potential −102 mV 1.32 at 100 mA cm⁻ 2 , along remarkable Faradaic efficiency 95.4% formate 1.40 V. A two‐electrode electrolyzer based on demonstrates ≈100% evolution, exceeding 92.8% rate 59.4 mg h⁻¹ formate, as well outstanding stability over 300 h surpassing those previously reported Co‐based electrocatalysts. in situ spectroscopic analyses simulations further confirm facilitates kinetics by promoting active species key intermediates while lowering energy barriers electrolysis.

Language: Английский

Citations

0
POM-Intercalated NiFe-LDH as Enhanced OER Catalyst for Highly Efficient and Durable Water Electrolysis at Ampere-Scale Current Densities DOI
Jingyuan Zhang, Xiaofeng Zhang,

Zhen Ma

et al.

ACS Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 6486 - 6496

Published: April 6, 2025

Language: Английский

Citations

0
Recent Progress on Layered Double Hydroxides for Electrocatalytic Small Molecules Oxidation to Synthesize High-Value Chemicals and Degrade Pollutants DOI Creative Commons
Z. W. Ge, Chao‐Hsien Chu, Cong Wang

et al.

Science for energy and environment., Journal Year: 2024, Volume and Issue: unknown, P. 10 - 10

Published: Dec. 10, 2024

Review Recent Progress on Layered Double Hydroxides for Electrocatalytic Small Molecules Oxidation to Synthesize High-Value Chemicals and Degrade Pollutants Zi-Qi Ge 1 Chao Chu 2 Cong Wang 3 Ruchun Li 4,* Jingwei 2,* San Ping Jiang Jilin Joint Technology Innovation Laboratory of Developing Utilizing Materials Reducing Pollution Carbon Emissions, College Engineering, Normal University, Siping 136000, China National Energy Key New Hydrogen-Ammonia Technologies, Foshan Xianhu Laboratory, 528216, Bingtuan Development Institute, Shihezi 832000, 4 Faculty Chemistry Chemical Yunnan Kunming 650500, * Correspondence: [email protected] (S. P. J.); [email protected] (J. L.); [email protected] (R. L.) Received: 25 October 2025; Revised: 12 November 2024; Accepted: 6 December Published: 10 2024 Abstract: Researchers worldwide are developing innovative luminescent systems with exceptional features like high sensitivity. Luminescent frameworks based aggregation-induced emission (AIE) have emerged as promising candidates various applications. Over the past decade, porous materials metal-organic cages (MOCs) incorporating AIE luminogens (AIEgens) demonstrated performance. Chirality plays a significant role in specific non-racemic systems, particularly circularly polarized luminescence (CPL). Chiral organic coordinated metals, including MOCs, gained importance they combine ligands coordination-bonded metal centers, enabling design novel structures CPL. These shown exciting potential applications fields CPL-OLED, chiral recognition, sensing. This review article provides an overview recent progress emissive materials, specifically their possible Additionally, focuses AIEgen-based cages, CPL-active non-AIEgen-based practical sensing enantioselectivity, future prospects. challenges AIE-based POCs MOCs include limited stability, affecting use wide-surface thin films, need understand molecular structure topology impacts. Future efforts should enhance efficiency explore sensing, supramolecular assemblies, bioimaging, optoelectronics, driving innovation smart materials.

Language: Английский

Citations

0