MXenes for Wearable Physical Sensors toward Smart Healthcare

ACS Nano, Journal Year: 2024, Volume and Issue: 18(36), P. 24705 - 24740

Published: Aug. 26, 2024

The gradual rise of personal healthcare awareness is accelerating the deployment wearable sensors, whose ability acquiring physiological vital signs depends on sensing materials. MXenes have distinct chemical and physical superiorities over other 2D nanomaterials for sensors. This review presents a comprehensive summary latest advancements in MXenes-based materials It begins with an introduction to special structural features performance, followed by in-depth exploration versatile functionalities. A detailed description different mechanisms also included illustrate contribution performance its improvement. In addition, real-world applications sensors monitoring are as well. remaining challenges their promising opportunities finally narrated, conjunction prospective future development.

Language: Английский

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Flexible Micro-Supercapacitors: Materials and Architectures for Smart Integrated Wearable and Implantable Devices

Energy storage materials, Journal Year: 2024, Volume and Issue: unknown, P. 103791 - 103791

Published: Sept. 1, 2024

Language: Английский

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Advancements in MXene-based 3D printing-based technologies

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159811 - 159811

Published: Jan. 1, 2025

Language: Английский

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3D printing driving innovations in extreme low-temperature energy storage

Virtual and Physical Prototyping, Journal Year: 2025, Volume and Issue: 20(1)

Published: Feb. 6, 2025

Extreme low-temperature environments, such as those in aerospace, polar expeditions, and deep-sea exploration, demand efficient energy storage systems. Conventional technologies face major limitations under these conditions, including electrolyte freezing, restricted interfacial reaction kinetics, microstructural instability. In contrast, 3D printing offers transformative solutions with precise control, multifunctional material integration, optimisation, effectively addressing challenges related to compatibility structural complexity. However, the mechanisms for optimising performance remain poorly understood, of processes materials needs further exploration. Moreover, comprehensive integration materials, processes, device designs remains an ongoing challenge. This review systematically summarises key their characteristics storage, exploring potential pathways through which enhances performance. Particular emphasis is placed on its unique applications design, engineering, multi-material coupling. Unlike studies focused single or technologies, this adopts interdisciplinary systematic framework, linking properties optimisation. It provides critical theoretical guidance practical insights advancing scientific understanding engineering extreme technologies.

Language: Английский

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Beyond conventional limits: Advancements and insights in broadening operating temperature ranges of supercapacitors

Energy storage materials, Journal Year: 2024, Volume and Issue: 70, P. 103462 - 103462

Published: May 8, 2024

Language: Английский

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Unraveling the Ionic Storage Mechanism of Flexible Nitrogen‐Doped MXene Films for High‐Performance Aqueous Hybrid Supercapacitors

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

Published: Oct. 8, 2024

Abstract 2D MXene nanomaterials have excellent potential for application in novel electrochemical energy storage technologies such as supercapacitors and batteries, but the existing pure is difficult to meet practical needs. Although properties of modified been improved, unclear ion mechanism still hinders development MXene‐based electrode materials. Herein, study develops flexible self‐supported nitrogen‐doped Ti 3 C 2 (Py‐Ti ) films by highly mobile, high nitrogen content, oxygen‐free pyridine‐assisted solvothermal method, then deeply investigates hybrid four aqueous electrolytes (H SO 4 , Li Na MgSO ). The experimental results suggest that Py‐Ti film exhibits a pseudocapacitance‐dominated mechanism. Particularly, specific capacity 1 M H (506 F g −1 at 0.1 A 4–5 times higher than other (≈110 ), which could be attributed substantially ionic diffusion coefficient + those Mg 2+ with small size, conductivity, fast pseudocapacitance response. Theoretical analysis further confirms has strengthened conductivity electrical double‐layer capacitance performance. Meanwhile, it lower free protonation deprotonation functional groups, gives

Language: Английский

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Direct ink writing 3D printing of low-dimensional nanomaterials for micro-supercapacitors

Nanoscale, Journal Year: 2024, Volume and Issue: 16(26), P. 12380 - 12396

Published: Jan. 1, 2024

The integration of low-dimensional nanomaterials into direct ink writing (DIW) 3D-printed micro-supercapacitors (MSCs) represents a groundbreaking approach in developing high-performance energy storage devices.

Language: Английский

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Versatile integration of MOF and MXene composites for next-generation hybrid energy storage solutions

Journal of Energy Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Language: Английский

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Operando Tracking of Resistance, Thickness, and Mass of Ti₃C₂T_x MXene in Water‐in‐Salt Electrolyte

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

Published: Jan. 29, 2025

Abstract MXenes are among the fastest‐growing families of 2D materials, promising for high‐rate, high‐energy energy storage applications due to their high electronic and ionic conductivity, large surface area, reversible redox ability. The Ti 3 C 2 T x MXene shows a capacitive charge mechanism in diluted aqueous LiCl electrolyte while achieving abnormal redox‐like features water‐in‐salt electrolyte. Herein, various operando techniques used investigate changes resistance, mass, electrode thickness during cycling salt‐in‐water electrolytes. Significant resistance variations interlayer space recorded In both electrolytes, conductivity attributed carrier density or varied inter‐sheet electron hopping barriers detected areas, where no observed. Overall, combining those enhances understanding mechanisms facilitates development MXene‐based devices.

Language: Английский

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Anion Chemistry in Regulating Water Structure for Aqueous Supercapacitors Operating at −60 °C

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

Published: Feb. 14, 2025

Abstract Aqueous electrolytes featuring intrinsic safety and high ionic conductivity have been envisioned as a competitive promising electrolyte candidate for application in supercapacitors, but water solidification poses limitations on achieving stable low‐temperature operation of aqueous supercapacitors. Herein, an anion chemistry strategy is proposed developed to modify structures formulate temperature‐adaptability Multiple characterization techniques reveal fundamental correlation between various anions alteration structure. It noteworthy that ClO 4 − with weak hydration can act high‐efficiency structure breaker, inducing disordered discontinuous distribution molecules. Resultantly, composed Mg(ClO ) 2 features outstanding temperature resistance (solidification below −60 °C), which supports symmetrical supercapacitor achieve operation, excellent cycle stability, low capacitance loss (12% at 1 A g −1 , 31% 20 from 25 °C. Furthermore, °C, 2.4 V working voltage achieved superior rate capability retention 81.5% after continuous 30 000 cycles. Determining mastering specific ion effects provide approach designing developing antifreezing energy storage temperatures.

Language: Английский

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