Advances in bifunctional electrocatalysts towards high-performing Li-air batteries DOI Creative Commons
Shadeepa Karunarathne,

Chamali K. Malaarachchi,

Amr M. Abdelkader

et al.

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 607, P. 234553 - 234553

Published: April 26, 2024

The development of high-performance Li-air batteries (LABs) is an important quest for effectively utilizing high-energy density electric systems. One possible way to achieve this goal by introducing novel bifunctional electrocatalysts at the battery cathode, enhancing cycle life and discharge capacity LABs facilitating fast oxygen reaction kinetics. Understanding catalysts' function evolution essential developing a better-functioning LAB. In review, we discuss fundamentals, mechanisms, key concepts related LAB technology. We then provide critical discussions on recent advances in catalysts used cathodes through material characterization, electrochemical analysis, performance, in-situ ex-situ product DFT calculations, theoretical most up-to-date, thorough, broader discussion subject. These include general modified carbon nanostructures, noble metals, transition metal oxides, nitrides, sulfides, phosphides. Furthermore, special attention given techniques designed enhance catalytic activity modulation electronic structures. Various facet engineering eg electron approaches are explored, including heteroatom doping, alloying, hybridization, stoichiometric optimization, selective growth. Finally, suggest potential prospective pathways future research.

Language: Английский

Structure–Activity Relationships in Oxygen Electrocatalysis DOI

Jingyi Han,

Jingru Sun,

Siyu Chen

et al.

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

Published: Sept. 30, 2024

Abstract Oxygen electrocatalysis, as the pivotal circle of many green energy technologies, sets off a worldwide research boom in full swing, while its large kinetic obstacles require remarkable catalysts to break through. Here, based on summarizing reaction mechanisms and situ characterizations, structure–activity relationships oxygen electrocatalysts are emphatically overviewed, including influence geometric morphology chemical structures electrocatalytic performances. Subsequently, experimental/theoretical is combined with device applications comprehensively summarize cutting‐edge according various material categories. Finally, future challenges forecasted from perspective catalyst development applications, favoring researchers promote industrialization electrocatalysis at an early date.

Language: Английский

Citations

16
Recent advances in Fe-N-C- and Co-N-C-based materials as bifunctional electrocatalysts for oxygen reduction and oxygen evolution DOI
Huimin Xu, Hongrui Zhu,

Chen‐Jin Huang

et al.

Science China Chemistry, Journal Year: 2023, Volume and Issue: 67(4), P. 1137 - 1160

Published: Dec. 5, 2023

Language: Английский

Citations

32
Synthesis of Conductive MOFs and Their Electrochemical Application DOI Open Access
Chunsheng Wu,

Pengbiao Geng,

Guangxun Zhang

et al.

Small, Journal Year: 2023, Volume and Issue: 20(17)

Published: Dec. 7, 2023

Abstract Conductive metal–organic frameworks (MOFs) are a type of porous material. It consists metal ions coordinated with highly conjugated organic ligands. The high density carriers and orbital overlap contribute to the amazing conductivity. Additionally, conductive MOFs inherit advantages large specific surface area, structural diversity, adjustable pore size from MOFs. These excellent properties have attracted many researchers explore controllable synthesis electrochemical applications over past decade. This work provides an overview recent advances in strategies highlights their electrocatalysis, supercapacitors, sensors, batteries. Finally, challenges faced by application discussed, as well views on promising solutions for them presented.

Language: Английский

Citations

29
A Ni-Fe layered double hydroxide anchored FeCo nanoalloys and Fe-Co dual single-atom electrocatalysts for rechargeable and flexible zinc-air and aluminum-air batteries DOI

Wei-Xiang Hong,

Wei-Hsuan Wang,

Yu‐Hao Chang

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 121, P. 109236 - 109236

Published: Dec. 26, 2023

Language: Английский

Citations

29
Nanoconfining ultrafine heterostructured sulfides in carbon nanofibers enabling ultrastable and fast sodium storage DOI

Zongying Gao,

Chunliu Zhu,

Lei Yang

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 471, P. 144698 - 144698

Published: July 8, 2023

Language: Английский

Citations

28
Nanoparticle Exsolution on Perovskite Oxides: Insights into Mechanism, Characteristics and Novel Strategies DOI Creative Commons

Yo Han Kim,

Hyeongwon Jeong, Bo‐Ram Won

et al.

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 16(1)

Published: Nov. 28, 2023

Supported nanoparticles have attracted considerable attention as a promising catalyst for achieving unique properties in numerous applications, including fuel cells, chemical conversion, and batteries. Nanocatalysts demonstrate high activity by expanding the number of active sites, but they also intensify deactivation issues, such agglomeration poisoning, simultaneously. Exsolution bottom-up synthesis supported has emerged breakthrough technique to overcome limitations associated with conventional nanomaterials. Nanoparticles are uniformly exsolved from perovskite oxide supports socketed into support one-step reduction process. Their uniformity stability, resulting structure, play crucial role development novel nanocatalysts. Recently, tremendous research efforts been dedicated further controlling exsolution particles. To effectively address at more precise level, understanding underlying mechanism is essential. This review presents comprehensive overview mechanism, focus on its driving force, processes, properties, synergetic strategies, well new pathways optimizing nanocatalysts diverse applications.

Language: Английский

Citations

27
Metal‐Organic Framework (MOF)‐Based Clean Energy Conversion: Recent Advances in Unlocking its Underlying Mechanisms DOI

Zheng Zhu,

Jingjing Duan, Sheng Chen

et al.

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

Published: Dec. 21, 2023

Abstract Carbon neutrality is an important goal for humanity . As eco‐friendly technology, electrocatalytic clean energy conversion technology has emerged in the 21st century. Currently, metal‐organic framework (MOF)‐based electrocatalysis, including oxygen reduction reaction (ORR), evolution (OER), hydrogen (HER), oxidation (HOR), carbon dioxide (CO 2 RR), nitrogen (NRR), are mainstream catalytic reactions, which driven by electrocatalysis. In this paper, current advanced characterizations analyses of MOF‐based reactions have been described details, such as density function theory (DFT), machine learning, operando/in situ characterization, provide in‐depth mechanisms related to above reported past years. The practical applications that developed some responses application values, fuel cells, metal‐air batteries, and water splitting also demonstrated. This paper aims maximize potential electrocatalysts field catalysis, shed light on development intense situations.

Language: Английский

Citations

25
Single-atom sites combined with metal nano-aggregates for efficient electrocatalysis DOI

Yonggan Wu,

Xiannong Tang, Kai Yuan

et al.

Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 16(12), P. 5663 - 5687

Published: Jan. 1, 2023

This review summarizes recent progress and prospects of catalysts containing metal single-atom (M 1 ) nano-aggregates (MNAs, particles or clusters), which promise to combine the merits SACs MNA-based for efficient electrocatalysis.

Language: Английский

Citations

24
Capture of single Ag atoms through high-temperature-induced crystal plane reconstruction DOI Creative Commons
Jiaxin Li, Kai Li, Zhao Li

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: May 8, 2024

Abstract The “terminal hydroxyl group anchoring mechanism” has been studied on metal oxides (Al 2 O 3 , CeO ) as well a variety of noble and transition metals (Ag, Pt, Pd, Cu, Ni, Fe, Mn, Co) in number generalized studies, but there is still gap how to regulate the content terminal groups influence dispersion active species thus achieve optimal catalytic performance. Herein, we utilized AlOOH precursor for γ-Al induced transformation exposed crystal face from (110) (100) by controlling calcination temperature generate more anchor Ag species. Experimental results combined with AIMD DFT show that can drive atomic rearrangement face, thereby forming structure similar arrangement face. This resulted formation during high-temperature support (Al-900), which capture form single-atom dispersions, ultimately develop stable efficient Ag-based catalyst.

Language: Английский

Citations

15
Recent advances in Fe‐N‐C single‐atom site coupled synergistic catalysts for boosting oxygen reduction reaction DOI Creative Commons
Katam Srinivas, Zhuo Chen,

Hesheng Yu

et al.

Electron, Journal Year: 2024, Volume and Issue: 2(1)

Published: Feb. 1, 2024

Abstract Metal–air batteries, fuel cells, and electrochemical H 2 O production currently attract substantial consideration in the energy sector owing to their efficiency eco‐consciousness. However, broader use is hindered by complex oxygen reduction reaction (ORR) that occurs at cathodes involves intricate electron transfers. Despite significant ORR performance of platinum‐based catalysts, high cost, operational limitations, susceptibility methanol poisoning hinder implementation. This emphasizes need for efficient non‐precious metal‐based electrocatalysts. A promising approach utilizing single‐atom catalysts (SACs) featuring metal–nitrogen–carbon (M‐N‐C) coordination sites. SACs offer advantages such as optimal utilization metal atoms, uniform active centers, precisely defined catalytic sites, robust metal–support interactions. symmetrical distribution around central atom a site (M‐N 4 ) often results suboptimal performance. challenge can be addressed carefully tailoring surrounding environment center. review specifically focuses on recent advancements Fe‐N within Fe‐N‐C SACs. It highlights strategy coupling sites with clusters and/or nanoparticles, which enhances intrinsic activity. By capitalizing interplay between associated species, overall improved. The combines findings from experimental studies density functional theory simulations, covering synthesis strategies coupled synergistic characterization techniques, influence particles offering comprehensive outlook, aims encourage research into high‐efficiency Fe real‐world applications coming years.

Language: Английский

Citations

14