Synthesis, properties, and applications of MXenes and their composites for electrical energy storage

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 142, P. 101227 - 101227

Published: Dec. 13, 2023

Language: Английский

---

A MXene heterostructure-based piezoionic sensor for wearable sensing applications

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 482, P. 148988 - 148988

Published: Jan. 23, 2024

Language: Английский

---

Two-dimensional MXene based innovative electrode materials for supercapacitors: Recent advances and prospects

Fuel, Journal Year: 2024, Volume and Issue: 377, P. 132783 - 132783

Published: Aug. 16, 2024

Language: Английский

---

A Supercapacitor Architecture for Extreme Low‐Temperature Operation Featuring MXene/Carbon Nanotube Electrodes with Vertically Aligned Channels and a Novel Freeze‐Resistant Electrolyte

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(24)

Published: Feb. 21, 2024

Abstract The electrochemical performance of supercapacitors drops precipitously at extreme low temperatures due to a multitude reasons, which includes electrolyte freezing, sluggish ion transport in the electrode and electrolyte, high charge transfer resistance electrode–electrolyte interfaces. To address interface resistance, new supercapacitor architecture is reported, MXene/carbon nanotube electrodes with vertically aligned channels are synthesized reduce tortuosity maximize contact area. These fabricated using directional‐freezing strategy, generating direct fast pathways. Further, freeze‐resistant shows ionic conductivity by designing double‐crosslinked polymer network binary solvent consisting liquid water, exhibits an ultralow freezing temperature −54 °C. An all‐in‐one assembled integrated polymerization strategy minimize interfacial resistances. resulting device delivers specific capacitance 231 F g −1 2 mV s maximum energy density 10.17 Wh kg , while maintaining retention 92%, even −50 developed this study, demonstrates feasibility storage temperatures.

Language: Английский

---

Interface engineering in conducting polymers-based supercapacitor

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 96, P. 112598 - 112598

Published: June 28, 2024

Language: Английский

---

Insights into Nano- and Micro-Structured Scaffolds for Advanced Electrochemical Energy Storage

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Feb. 23, 2024

Abstract Adopting a nano- and micro-structuring approach to fully unleashing the genuine potential of electrode active material benefits in-depth understandings research progress toward higher energy density electrochemical storage devices at all technology readiness levels. Due various challenging issues, especially limited stability, micro-structured (NMS) electrodes undergo fast performance degradation. The emerging NMS scaffold design is pivotal aspect many as it endows them with both robustness enhancement, even though only occupies complementary facilitating components for main mechanism. However, extensive efforts are urgently needed optimizing stereoscopic geometrical scaffolds minimize volume ratio maximize their functionality fulfill ever-increasing dependency desire power source supplies. This review will aim highlighting these strategies, summarizing corresponding strengths challenges, thereby outlining solutions resolve principles, key perspectives future in this field. Therefore, be one earliest reviews from viewpoint.

Language: Английский

---

Strain-Insensitive Supercapacitors for Self-Powered Sensing Textiles

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 6, 2025

Yarn-based supercapacitors and sensors can be easily integrated into textiles to form flexible lightweight self-powered wearable electronic devices, which enable stable continuous signal detection without an external power source. However, most current for systems lack the stretchability adapt complex human body deformations, restricts their application as a This study presents high-performance strain-insensitive yarn supercapacitor via prestretching in situ polymerization strategy, sensing textiles. The delivers high specific capacitance of 20.79 mF cm-1 (116.94 F g-1), density 37.54 μW (211.22 W kg-1), energy 1.85 μWh (10.39 Wh kg-1). ability is demonstrated with nearly unchanged performance at static strain 200%, dynamic rates 10% s-1, retains 96.46% its after 3500 cycles under 50% strain. pressure sensor, featuring striped coating structure, shows sensitivity 0.67 kPa-1 short response time 100 ms. superior reliability serve source that efficiently recognize Morse code, showing great potential truly health monitoring rehabilitation training applications.

Language: Английский

---

Co₃O₄ Quantum Dots Intercalation Liquid‐Crystal Ordered‐Layered‐Structure Optimizing the Performance of 3D‐Printing Micro‐Supercapacitors

Advanced Science, Journal Year: 2023, Volume and Issue: 10(33)

Published: Sept. 26, 2023

Abstract The effects of near surface or mechanisms on electrochemical performance (lower specific capacitance density) hinders the development 3D printed micro supercapacitors (MSCs). reasonable internal structural characteristics electrodes and appropriate intercalation material can effectively compensate for near‐surface mechanisms. In this study, a layered structure is constructed inside an electrode using ink with liquid‐crystal characteristics, pore oxidation active sites are optimized by controlling amount Co 3 O 4 ‐quantum dots (Co QDs). QDs distributed in pores surface, insertion limitations mechanisms, thus improving pseudocapacitive 3D‐printed MSCs. MSC exhibits high area (306.13 mF cm −2 ) energy density (34.44 µWh at power 0.108 mW ). Therefore, selecting materials to construct printable structures adjusting ratios efficient printing expected provide feasible solutions construction various high‐energy storage systems such as

Language: Английский

---

Direct Ink Writing 3D Printing for High‐Performance Electrochemical Energy Storage Devices: A Minireview

Advanced Science, Journal Year: 2023, Volume and Issue: 10(32)

Published: Sept. 22, 2023

Abstract Despite tremendous efforts that have been dedicated to high‐performance electrochemical energy storage devices (EESDs), traditional electrode fabrication processes still face the daunting challenge of limited energy/power density or compromised mechanical compliance. 3D thick electrodes can maximize utilization z ‐axis space enhance EESDs but suffer from limitations in terms poor stability and sluggish electron/ion transport. Direct ink writing (DIW), an eminent branch printing technology, has gained popularity manufacture with intricately designed architectures rationally regulated porosity, promoting a triple boost areal mass loading, ion diffusion kinetics, flexibility. This focus review highlights fundamentals printable inks typical configurations 3D‐printed devices. In particular, preparation strategies for multifunctional are systemically discussed classified according performance evaluation metrics such as high density, power volumetric Challenges prospects outlined, aiming provide valuable insights into this thriving field.

Language: Английский

---

3D printing of solvent-treated PEDOT:PSS inks for electromagnetic interference shielding

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(30), P. 16027 - 16038

Published: Jan. 1, 2023

Schematic illustration of DIW 3D printing patterned self-standing polymeric EMI shields.

Language: Английский

---