Recent Advances and Perspectives of Battery-Type Anode Materials for Potassium Ion Storage

ACS Nano, Journal Year: 2021, Volume and Issue: 15(12), P. 18931 - 18973

Published: Dec. 3, 2021

Potassium ion energy storage devices are competitive candidates for grid-scale applications owing to the abundancy and cost-effectiveness of potassium (K) resources, low standard redox potential K/K+, high ionic conductivity in K-salt-containing electrolytes. However, sluggish reaction dynamics poor structural instability battery-type anodes caused by insertion/extraction large K+ ions inhibit full K systems. Extensive efforts have been devoted exploration promising anode materials. This Review begins with a brief introduction operation principles performance indicators typical systems significant advances different types materials, including intercalation-, mixed surface-capacitive-/intercalation-, conversion-, alloy-, conversion-/alloy-, organic-type Subsequently, host-guest relationships discussed correlation electrochemical properties, underlying mechanisms, critical issues faced each type material concerning their implementation Several optimization strategies improve highlighted. Finally, perspectives on future trends provided, which aimed at accelerating development

Language: Английский

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Designing and Understanding the Superior Potassium Storage Performance of Nitrogen/Phosphorus Co‐Doped Hollow Porous Bowl‐Like Carbon Anodes

Advanced Functional Materials, Journal Year: 2020, Volume and Issue: 31(1)

Published: Nov. 10, 2020

Abstract Potassium‐ion batteries (PIBs) are promising alternatives to lithium‐ion because of the advantage abundant, low‐cost potassium resources. However, PIBs facing a pivotal challenge develop suitable electrode materials for efficient insertion/extraction large‐radius ions (K + ). Here, viable anode material composed uniform, hollow porous bowl‐like hard carbon dual doped with nitrogen (N) and phosphorus (P) (denoted as N/P‐HPCB) is developed high‐performance PIBs. With prominent merits in structure, as‐fabricated N/P‐HPCB manifests extraordinary storage performance terms high reversible capacity (458.3 mAh g −1 after 100 cycles at 0.1 A ), superior rate (213.6 4 long‐term cyclability (205.2 1000 2 Density‐functional theory calculations reveal N/P doping favor facilitating adsorption/diffusion K enhancing electronic conductivity, guaranteeing improved capacity, capability. Moreover, situ transmission electron microscopy conjunction ex Raman spectroscopy confirms exceptional cycling stability originating from excellent phase reversibility robust structure integrity during cycling. Overall, findings shed light on development high‐performance, durable anodes advanced

Language: Английский

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Microbe-Assisted Assembly of Ti₃C₂T_x MXene on Fungi-Derived Nanoribbon Heterostructures for Ultrastable Sodium and Potassium Ion Storage

ACS Nano, Journal Year: 2021, Volume and Issue: 15(2), P. 3423 - 3433

Published: Jan. 26, 2021

As a typical family of two-dimensional (2D) materials, MXenes present physiochemical properties and potential for use in energy storage applications. However, suffer some the inherent disadvantages 2D such as severe restacking during processing service low capacity storage. Herein, MXene@N-doped carbonaceous nanofiber structure is designed anode high-performance sodium- potassium-ion batteries through an situ bioadsorption strategy; that is, Ti3C2Tx nanosheets are assembled onto Aspergillus niger biofungal nanoribbons converted into 2D/1D heterostructure. This microorganism-derived MXene-1D N-doped with fully opened pores transport channels delivers high reversible long-term stability to store both Na+ (349.2 mAh g–1 at 0.1A 1000 cycles) K+ (201.5 1.0 A cycles). Ion-diffusion kinetics analysis density functional theory calculations reveal this porous hybrid promotes conduction Na K ions utilizes advantages material. Therefore, work expands MXene materials provides good strategy address challenges materials.

Language: Английский

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Progress in 3D-MXene Electrodes for Lithium/Sodium/Potassium/Magnesium/Zinc/Aluminum-Ion Batteries

Electrochemical Energy Reviews, Journal Year: 2023, Volume and Issue: 6(1)

Published: March 1, 2023

Language: Английский

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Fast potassium migration in mesoporous carbon with ultrathin framework boosting superior rate performance for high-power potassium storage

Energy storage materials, Journal Year: 2021, Volume and Issue: 40, P. 490 - 498

Published: May 30, 2021

Language: Английский

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Ti3C2 MXene co-catalyst assembled with mesoporous TiO2 for boosting photocatalytic activity of methyl orange degradation and hydrogen production

CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION), Journal Year: 2022, Volume and Issue: 43(2), P. 461 - 471

Published: Jan. 17, 2022

Language: Английский

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Mxene (Ti3C2T )/cellulose nanofiber/porous carbon film as free-standing electrode for ultrathin and flexible supercapacitors

Chemical Engineering Journal, Journal Year: 2020, Volume and Issue: 413, P. 127524 - 127524

Published: Oct. 27, 2020

Language: Английский

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Tuning 2D MXenes by Surface Controlling and Interlayer Engineering: Methods, Properties, and Synchrotron Radiation Characterizations

Advanced Functional Materials, Journal Year: 2020, Volume and Issue: 30(47)

Published: April 22, 2020

Abstract MXenes, layered transition metal carbides/nitrides, have already received considerable attention in various research areas including but not limited to energy storage/conversion and photo/electrocatalysis. In fact, the intrinsic property of MXenes is highly tunable by controlling surface terminations interlayer spacing. Moreover, synchrotron radiation X‐ray characterizations shown high potential for exploring causal relationship between properties structure MXenes. Particularly, operando measurements could provide useful insight better understanding dynamic process MXene‐based materials. this review, a comprehensive summary recent studies on controlling, engineering, synchrotron‐based presented. The outlook applications advanced are also discussed.

Language: Английский

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MXene‐Based Materials for Electrochemical Sodium‐Ion Storage

Advanced Science, Journal Year: 2021, Volume and Issue: 8(11)

Published: March 15, 2021

Abstract Advanced architecture and rational design of electrode materials for electrochemical sodium‐ion storage are well developed by researchers worldwide. MXene‐based considered as one the most potential sodium‐ion‐based devices, such batteries (SIBs), sodium–sulfur (SSBs), capacitors (SICs), because excellent physicochemical characteristics MXenes. Here, in this review, recent research work progress, both theoretical experimental, on including pure MXenes composites application SIBs, SSBs, SICs comprehensively summarized. The sodium mechanisms effective methods to enhance performance also discussed. Finally, current critical challenges future directions development these presented.

Language: Английский

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Prospects of Electrode Materials and Electrolytes for Practical Potassium‐Based Batteries

Small Methods, Journal Year: 2021, Volume and Issue: 5(12)

Published: Nov. 10, 2021

Potassium-ion batteries (PIBs) have attracted tremendous attention because of their high energy density and low-cost. As such, much effort has focused on developing electrode materials electrolytes for PIBs at the material levels. This review begins with an overview high-performance electrolytes, then evaluates prospects challenges practical to penetrate market. The current status safe operation, density, power cyclability, sustainability is discussed future studies materials, electrode-electrolyte interfaces are identified. It anticipated that this will motivate research development fill existing gaps potassium-based full so they may be commercialized in near future.

Language: Английский

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