Transition metal nitrides for electrochemical energy applications

Chemical Society Reviews, Journal Year: 2020, Volume and Issue: 50(2), P. 1354 - 1390

Published: Dec. 10, 2020

This review comprehensively summarizes the progress on structural and electronic modulation of transition metal nitrides for electrochemical energy applications.

Language: Английский

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Electromagnetic absorption materials: Current progress and new frontiers

Progress in Materials Science, Journal Year: 2022, Volume and Issue: 127, P. 100946 - 100946

Published: March 17, 2022

Language: Английский

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Design Strategies for Development of TMD-Based Heterostructures in Electrochemical Energy Systems

Matter, Journal Year: 2020, Volume and Issue: 2(3), P. 526 - 553

Published: March 1, 2020

Language: Английский

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Rational Design of Electrode Materials for Advanced Supercapacitors: From Lab Research to Commercialization

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(14)

Published: Jan. 18, 2023

Abstract Supercapacitors can harvest electrical energy from intermittent sources and transfer it quickly, but their specific must be raised if they are applied to efficiently power wearable flexible electronics, as well larger equipment. However, the remaining big gap between lab research practical applications seriously hinders further progress of advanced supercapacitors, especially for electrode materials. Consequently, a commercial/usable perspective, clear guideline commercialization is highly desired bringing supercapacitors basic into reality. This review focuses on key factors summarizes recent in field outlines perspectives future research. First, several storage mechanisms illustrated building better supercapacitors. Then, up‐to‐date achievements progresses smart methods toward high‐energy effective strategies commercial‐level mass‐loading high packing density electrodes summarized commented upon. Also, integrated systems application fields commercial also highlighted. Subsequently, directions presented here guide

Language: Английский

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Insights into 2D/2D MXene Heterostructures for Improved Synergy in Structure toward Next‐Generation Supercapacitors: A Review

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(18)

Published: Feb. 3, 2022

Abstract 2D interfacial heterostructures have found an unassailable status in energy storage systems, particularly supercapacitors citing the intriguing structural and electrochemical characteristics. Exactly a decade ago, MXene, promising transition metal carbide/nitride/carbonitride was to possess excellent conductivity, hydrophilicity, laudable charge opportunities, enriched surface functionalities conducive for with inherent challenging shortcomings. To substantially improve, assembled 2D/2D MXene exhibit commendable performance backed by fact of swift increase research interest. In this review, state‐of‐the‐art progress material design are investigated. Discussion is initially on fundamentals including synthesis governing properties. Particularly, different preparation electrostatic assembly, situ growth, hydrothermal treatment, objective specific strategies its implications elaborated. Especially, interface science, electrode–electrolyte interaction ion/electron dynamics synergistic enhancement MXene/rGO, MXene/LDH, MXene/metal sulfides timely investigations other architectures provided compatibility from solid‐state microsupercapacitors commerciality. conclude, well‐comprehended outlook, key challenges, prospective guidelines stretching fundamental mechanism electrolyte optimizations presented encourage advanced future generation supercapacitors.

Language: Английский

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First-row transition metal-based materials derived from bimetallic metal–organic frameworks as highly efficient electrocatalysts for electrochemical water splitting

Energy & Environmental Science, Journal Year: 2022, Volume and Issue: 15(8), P. 3119 - 3151

Published: Jan. 1, 2022

Electrochemical water splitting is a mature technology for hydrogen generation.

Language: Английский

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Wide Voltage Aqueous Asymmetric Supercapacitors: Advances, Strategies, and Challenges

Advanced Functional Materials, Journal Year: 2021, Volume and Issue: 32(4)

Published: Oct. 10, 2021

Abstract Asymmetric supercapacitors (ASCs) can substantially broaden their working voltage range, benefiting from the advantages of both cathode and anode while breaking through energy storage limitations corresponding symmetric cells. Wide aqueous ASCs hold great promise for future electronic systems that require satisfied density, power cycle life, due to electrolyte in terms low cost, operational safety, facile manufacture, environment‐friendly, high ionic conductivity. This review will first briefly present an overview historical developments, charge mechanisms, matching principles wide ASCs. Then, materials with potential windows building over last few decades are summarized. The next section details optimization methods related In addition, basic device configurations classified discussed. Furthermore, several strategies proposed achieving high‐performance window, specific capacitance, rate performance, electrochemical stability. Finally, motivate further research development, key scientific challenges perspectives

Language: Английский

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Single Zinc Atoms Immobilized on MXene (Ti₃C₂Cl_x) Layers toward Dendrite-Free Lithium Metal Anodes

ACS Nano, Journal Year: 2020, Volume and Issue: 14(1), P. 891 - 898

Published: Jan. 8, 2020

Lithium (Li) metal has been considered as one of the most prospective anodes for Li-based batteries owing to its high theoretical gravimetric capacity (3860 mAh g-1) and low potential (-3.04 V vs standard hydrogen electrode (SHE)). Unfortunately, there commonly exist uncontrollable dendrites in lithium during repeated plating-stripping processes, causing short cycle life even circuiting batteries. Here, single zinc atoms immobilized on MXene (Ti3C2Clx) layers (Zn-MXene) were produced efficiently induce Li nucleation growth. At initial plating stage, tended nucleate homogeneously surface Zn-MXene due large presence Zn then grow vertically along nucleated sites a strong lightning rod effect at edges, affording bowl-like without dendrites. Thus, overpotential 11.3 ± 0.1 mV, long cyclic (1200 h), deep stripping-plating levels up 40 cm-2 are obtained by using films anodes.

Language: Английский

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Lattice Matching Growth of Conductive Hierarchical Porous MOF/LDH Heteronanotube Arrays for Highly Efficient Water Oxidation

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(8)

Published: Jan. 18, 2021

The conjugation of metal-organic frameworks (MOFs) into different multicomponent materials to precisely construct aligned heterostructures is fascinating but elusive owing the disparate interfacial energy and nucleation kinetics. Herein, a promising lattice-matching growth strategy demonstrated for conductive MOF/layered double hydroxide (cMOF/LDH) heteronanotube arrays with highly ordered hierarchical porous structures enabling an ultraefficient oxygen evolution reaction (OER). CoNiFe-LDH nanowires are used as interior template engineer interface by inlaying cMOF matching two crystal lattice systems, thus conducting graft cMOF/LDH along LDH nanowire. A class produced through continuously regulating transformation degree. synergistic effects components significantly promote chemical electronic their electroactive surface area. Optimized exhibit extraordinary OER activity ultralow overpotentials 216 227 mV deliver current densities 50 100 mA cm-2 small Tafel slope 34.1 dec-1 , ranking it among best MOF non-noble-metal-based catalysts OER. robust performance under high density vigorous gas bubble conditions enable such MOF/LDH practical water electrolysis.

Language: Английский

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Direct synthesis of metastable phases of 2D transition metal dichalcogenides

Chemical Society Reviews, Journal Year: 2020, Volume and Issue: 49(12), P. 3952 - 3980

Published: Jan. 1, 2020

The different polymorphic phases of transition metal dichalcogenides (TMDs) have attracted enormous interest in the last decade. metastable metallic and small band gap group VI TMDs displayed leading performance for electrocatalytic hydrogen evolution, high volumetric capacitance some them exhibit large quantum spin Hall (QSH) insulating behaviour. Metastable 1T(1T') require higher formation energy, as compared to thermodynamically stable 2H phase, thus standard chemical vapour deposition transport processes materials normally grow phases. Only destabilization their phase via external means, such charge transfer or electric field, allows conversion crystal structure into phase. Bottom-up synthesis measurable quantities would broaden prospective applications practical utilization. There is an emerging evidence that these can be directly synthesized bottom-up vapour- liquid-phase methods. This review will provide overview strategies which been designed achieve control TMDs, mechanisms drive We a critical comparison between growth pathways techniques. Morphological characteristics described along with ability act electrocatalysts evolution reaction from water. Phase stability reversibility discussed new potential introduced. aims at providing insights fundamental understanding favourable synthetic conditions stabilization TMD crystals stimulating future advancements field large-scale control.

Language: Английский

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