Design of Electrocatalysts with High Performance Based on Thermodynamics and Kinetics: Progress and Prospects DOI
Minshu Du,

Feihan Yu,

Shumin Gong

et al.

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

Published: Oct. 15, 2024

Abstract Efficient and robust electrocatalysts play a central role in clean energy conversion, enabling number of sustainable processes for future technologies. The traditional explorations electrocatalyst relying on the trial‐and‐error approaches are definitely tedious inefficient. Theoretical progresses reactive thermodynamics kinetics recent years have initiated powerful theory‐guided design strategy electrocatalysts. Herein, this review first summarizes principles activity stability, presenting thermodynamics, kinetics, synergistic thermokinetic correlation electrocatalytic reaction. Second, screening criterion, reasonable design, mechanistic understanding, performance evaluation typical as divided into oriented‐, oriented‐designs discussed. necessity correlating rational mechanism clarification is highlighted. Finally, conclusions perspectives development highly efficient proposed.

Language: Английский

Non‐Noble‐Metal‐Based Electrocatalysts for Acidic Oxygen Evolution Reaction: Recent Progress, Challenges, and Perspectives DOI
Tingting Liu, Chen Chen, Zonghua Pu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(48)

Published: Aug. 25, 2024

Abstract The oxygen evolution reaction (OER) plays a pivotal role in diverse renewable energy storage and conversion technologies, including water electrolysis, electrochemical CO 2 reduction, nitrogen fixation, metal‐air batteries. Among various electrolysis techniques, proton exchange membrane (PEM)‐based devices offer numerous advantages, high current densities, exceptional chemical stability, excellent conductivity, high‐purity H . Nevertheless, the prohibitive cost associated with Ir/Ru‐based OER electrocatalysts poses significant barrier to broad‐scale application of PEM‐based splitting. Consequently, it is crucial advance development non‐noble metal catalysis substance acid‐activity thereby fostering their widespread integration into PEM electrolyzers (PEMWEs). In this review, comprehensive analysis acidic mechanism, encompassing adsorbate mechanism (AEM), lattice (LOM) oxide path (OPM) offered. Subsequently, systematic summary recently reported noble‐metal‐free catalysts transition metal‐based, carbon‐based other types provided. Additionally, compilation situ/operando characterization techniques provided, serving as invaluable tools for furnishing experimental evidence comprehend catalytic mechanism. Finally, present challenges future research directions concerning precious‐metal‐free are comprehensively summarized discussed review.

Language: Английский

Citations

13
Integrated Catalyst‐Substrate Electrodes for Electrochemical Water Splitting: A Review on Dimensional Engineering Strategy DOI

Weixue Meng,

Rui Pang, Meng Li

et al.

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

Published: Jan. 28, 2024

Water splitting (or, water electrolysis) is considered as a promising approach to produce green hydrogen and relieve the ever-increasing energy consumption well accompanied environmental impact. Development of high-efficiency, low-cost practical water-splitting systems demands elegant design fabrication catalyst-loaded electrodes with both high activity long-life time. To this end, dimensional engineering strategies, which effectively tune microstructure electrochemical kinetics, play an important role have been extensively reported over past years. Here, type most investigated electrode configurations reviewed, combining particulate catalysts 3D porous substrates (aerogels, metal foams, hydrogels, etc.), offer special advantages in field splitting. It analyzed principles, structural interfacial characteristics, performance particle-3D substrate including overpotential, cycle life, underlying mechanism toward improved catalytic properties. In particular, it also categorized different particles, show importance building hybrid composite by control engineering. Finally, present challenges possible research directions high-efficiency production discussed.

Language: Английский

Citations

12
Optimized Transition Metal Phosphides for Direct Seawater Electrolysis: Current Trends DOI Creative Commons
Yong Li,

Tianran Xin,

Zongcheng Cao

et al.

ChemSusChem, Journal Year: 2024, Volume and Issue: 17(15)

Published: March 13, 2024

Seawater electrolysis presents a viable route for sustainable large-scale hydrogen production, yet its practical application is hindered by several technical challenges. These include the sluggish kinetics of evolution, poor stability, cation deposition at cathode, electrode corrosion, and competing chloride oxidation anode. To overcome these obstacles, development innovative electrocatalysts crucial. Transition metal phosphides (TMPs) have emerged as promising candidates owing to their superior catalytic performance tunable structural properties. This review provides comprehensive analysis recent progress in engineering TMPs tailored efficient seawater electrolysis. We delve into mechanisms underpinning oxygen evolution reactions different pH conditions, along with detrimental side that impede production efficiency. Several methods prepare are then introduced. Additionally, detailed discussions on modifications interface tactics presented, showcasing strategies enhance activity durability TMP electrocatalysts. By analyzing current research findings, our aims inform ongoing endeavors foster advancements ecologically sound generation.

Language: Английский

Citations

10
Unveiling the Dual Active Sites of Ni/Co(OH)2‐Ru Heterointerface for Robust Electrocatalytic Alkaline Seawater Splitting DOI Open Access
Xinhui Yu, Wei Jiang, Yuanyuan Wu

et al.

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

Published: Jan. 15, 2025

Abstract Constructing bifunctional electrocatalysts through the synergistic effect of diverse metal sites is crucial for achieving high‐efficiency and steady overall water splitting. Herein, a “dual‐HER/OER‐sites‐in‐one” strategy proposed to regulate dominant active sites, wherein Ni/Co(OH) 2 ‐Ru heterogeneous catalysts formed on nickel foam (NF) demonstrate remarkable catalytic activity oxygen evolution reaction (OER) as well hydrogen (HER). Meanwhile, potentials@10 mA cm −2 ‐Ru@NF alkaline seawater splitting are only 1.36 1.41 V, respectively, surpassing those commercial RuO @NF Pt/C@NF. The Ru site identified primary HER by density functional theory (DFT) calculations, while Co(OH) displays minimal rate‐determining step energy barrier (RDS) functions main OER. This study offers novel perspectives rational utilization species’ capabilities developing dual multifunctional electrocatalysts.

Language: Английский

Citations

1
Manganese‐Doped Bimetallic (Co,Ni)2P Integrated CoP in N,S Co−Doped Carbon: Unveiling a Compatible Hybrid Electrocatalyst for Overall Water Splitting DOI
Mani Ram Kandel, Uday Narayan Pan, Purna Prasad Dhakal

et al.

Small, Journal Year: 2023, Volume and Issue: 20(18)

Published: Dec. 21, 2023

Abstract Rational design of highly efficient noble‐metal‐unbound electrodes for hydrogen and oxygen production at increased current density is crucial robust water‐splitting. A facile hydrothermal room‐temperature aging method presented, followed by chemical vapor deposition (CVD), to create a self‐sacrificed hybrid heterostructure electrocatalyst. This material, (Mn−(Co,Ni) 2 P/CoP/(N,S)−C), comprises manganese‐doped cobalt nickel phosphide P) nanofeathers (CoP) nanocubes embedded in nitrogen sulfur co‐doped carbon matrix (N,S)−C on foam. The catalyst exhibits excellent performance both the evolution reaction (HER; η 10 = 61 mV) (OER; 213 due abundant active sites, high porosity, enhanced hetero‐interface interaction between Mn−(Co P−Ni CoP, supported significant synergistic effects observed among different phases through functional theory (DFT) calculations. Impressively, P/CoP/(N,S)−C (+,−) shows an extra low cell voltage 1.49 V@10 mA cm −2 . Moreover, remarkable stability 100 300 when operating as single stack electrolyzer. superior electrochemical activity attributed electrode–electrolyte interface multiple structure.

Language: Английский

Citations

22
Metal-organic framework derived spinel tricobalt tetroxide with trifle iridium sites for near-pH-neutral seawater electrolysis DOI
Shasha Li,

Xunzhao Qiu,

Xiaowei An

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 491, P. 151924 - 151924

Published: May 6, 2024

Language: Английский

Citations

8
High entropy materials: potential catalysts for electrochemical water Splitting DOI
Zhong Wang,

Xinjia Tan,

Ziyu Ye

et al.

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(18), P. 9569 - 9598

Published: Jan. 1, 2024

A comprehensive overview of the use HEM as a catalyst for HER, OER, and water splitting was provided.

Language: Английский

Citations

8
In Situ Hydroxide Growth over Nickel–Iron Phosphide with Enhanced Overall Water Splitting Performances DOI
Jian Hu, Jiayi Yin,

Aoyuan Peng

et al.

Small, Journal Year: 2024, Volume and Issue: 20(44)

Published: July 5, 2024

In this work, three dimensional (3D) self-supported Ni-FeOH@Ni-FeP needle arrays with core-shell heterojunction structure are fabricated via in situ hydroxide growth over Ni-FeP surface. The as-prepared electrodes show an outstanding oxygen evolution reaction (OER) performance, only requiring the low overpotential of 232 mV to reach 200 mA cm

Language: Английский

Citations

7
Introducing sulfur to nickel-iron selenide for high-efficiency alkaline seawater electrolysis DOI
Xuanwa Chen,

Yanhui Yu,

Xingqi Han

et al.

Science China Chemistry, Journal Year: 2024, Volume and Issue: 67(8), P. 2747 - 2754

Published: June 26, 2024

Language: Английский

Citations

6
Chloride‐Ion Blocking in Seawater Electrolysis: Narrating the Tale of Likes and Dislikes Between Anode and Ions DOI Creative Commons
Ashish Gaur,

Enkhtuvshin Enkhbayar,

Jatin Sharma

et al.

Energy & environment materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 6, 2024

Seawater is the most abundant source of molecular hydrogen. Utilizing hydrogen reserves present in seawater may inaugurate innovative strategies aimed at advancing sustainable energy and environmental preservation endeavors future. Recently, there has been a surge study field addressing production through electrochemical splitting. However, performance durability electrode have limitations due to fact that are few challenges need be addressed order make technology suitable for industrial purpose. The active site blockage caused by chloride ions prevalent corrosion significant issue; it negative impact on both activity anode component. Addressing this particular issue upmost importance splitting area. This review concentrates newly developed materials techniques inhibiting blocking sites, simultaneously preventing corrosion. It anticipated concept will advantageous large audience inspire researchers area concern.

Language: Английский

Citations

6