Unique Core−Shell Structured Polyaniline Nanofibers Toward Ultrahigh−Rate Flexible All−Solid−State Supercapacitor DOI
Shuo Hu, Jiawei Qin, Yueying Shen

et al.

Macromolecular Rapid Communications, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 10, 2024

Abstract Promoting charge storage and fast charging capability simultaneously is a long–standing challenge for supercapacitors. A facile flowing seed polymerization adopted to prepare polyaniline (PANI) nanofibers, in which phytic acid (PA) doped oligomers are first produced as the seeds promoting highly oriented growth of PANI nanofibers accompanying with copolymerization m−aminobenzene sulfonic (ASA) aniline occurred on surface result, unique core−shell structured continuously fabricated. Benefitting from compact nanofiber structure, excellent dispersion, self–doping effect, as–prepared exhibit specific capacitance 671.2 F g −1 at 2 ultrahigh rate 93.1% 100 . Then assembled all–solid–state supercapacitor can deliver highest energy density 28.3 Wh kg power 320.2 W remarkable (81.2% 1 20 ), cycle stability (77.5% after 5000 cycles) well light weight flexibility. It desirable that present green scalable approach be further applied fabricate other core–shell appealing potentials devices.

Language: Английский

Ti3C2Tx MXene/carbon composites for advanced supercapacitors: Synthesis, progress, and perspectives DOI Creative Commons
Yanqing Cai, Xinggang Chen, Ying Xu

et al.

Carbon Energy, Journal Year: 2024, Volume and Issue: 6(2)

Published: Feb. 1, 2024

Abstract MXenes are a family of two‐dimensional (2D) layered transition metal carbides/nitrides that show promising potential for energy storage applications due to their high‐specific surface areas, excellent electron conductivity, good hydrophilicity, and tunable terminations. Among various types MXenes, Ti 3 C 2 T x is the most widely studied use in capacitive applications, especially supercapacitors (SCs). However, stacking oxidation MXene sheets inevitably lead significant loss electrochemically active sites. To overcome such challenges, carbon materials frequently incorporated into enhance electrochemical properties. This review introduces common strategies used synthesizing , followed by comprehensive overview recent developments /carbon composites as electrode SCs. categorized based on dimensions carbons, including 0D dots, 1D nanotubes fibers, 2D graphene, 3D (activated carbon, polymer‐derived etc.). Finally, this also provides perspective developing novel MXenes/carbon electrodes application

Language: Английский

Citations

49
Boosting Ion Diffusion Kinetics of MXene Inks with Water‐in‐Salt Electrolyte for Screen‐Printed Micro‐Supercapacitors DOI
Yihan Wang,

Yuxun Yuan,

Hua-Yun Geng

et al.

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

Published: March 28, 2024

Abstract Flexible wearable electronics are in urgent need of advanced micro‐energy storage devices. MXenes widely used supercapacitors because their excellent conductivity and hydrophilicity. Nevertheless, MXene‐based typically exhibit low capacitance unsatisfied rate performance, particularly the solid compact MXene film electrode with limited porosity and/or ion diffusion paths. Here, synthesis inks enlarged interlayer spacing for facilitated kinetics by intercalating lithium ions is reported. The ion‐intercalated further screen‐printed scalable production micro‐supercapacitors (MSCs). Benefiting from such an architecture design, as well wide voltage window 21 m bis(trifluoromethane)sulfonimide (LiTFSI) water‐in‐salt electrolyte, device exhibits impressive areal (252 mF cm −2 ), much‐improved performance (capacitance retention high 80%), cyclic stability (retains 98.4% initial after 10 000 cycles) flexibility, showing great potential field intelligent electronics.

Language: Английский

Citations

16
Simultaneously addressing self-stacking and oxidative degradation issues of Ti3C2Tx MXene through biothermochemistry induced 3D crosslinking DOI
Haitao Zhang,

Hanyu He,

Yongxiang Huang

et al.

Applied Surface Science, Journal Year: 2023, Volume and Issue: 639, P. 158183 - 158183

Published: Aug. 6, 2023

Language: Английский

Citations

13
Environmentally Friendly and Self-Healable Supercapacitors Realized by a NaCl-Penetrable Polyampholyte Conductive Hydrogel DOI
Haitao Zhang, Xinglin Jiang,

Shanshan Wu

et al.

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(2), P. 499 - 507

Published: Jan. 4, 2024

Environmentally friendly and self-healable supercapacitors (EFSH-supercapacitors) hold promise to support high safety extend the lifetime when undergoing mechanical loads and, therefore, share great application in flexible wearable electronics. Here, we develop this kind of a supercapacitor through using polyampholyte (PA) hydrogel that possesses capability salt permeation self-healing. The ionic conductivity PA is largely enhanced (up 13.2 mS cm–1) by both bonding adsorbing NaCl salt. balanced electrical performance infiltrated facilitates strong electrode–electrolyte interfacial linkage low charge transfer resistance, which enables EFSH-supercapacitor have state-of-the-art electrochemical properties. We show after structural failure as electrolyte cut into two pieces, for stored energy was previously completely damped, can now be rapidly (8 min) repeatedly repaired (∼54% four times self-healing). also prove damage whole including electrodes successfully repaired. electrolyte-dried recovers efficient work adding synthetic sweat, demonstrating its practical

Language: Английский

Citations

4
PEDOT counterions enabled oriented polyaniline nanorods for high performance flexible supercapacitors DOI
Yingzhi Jin,

Zongyu Li,

Sanqing Huang

et al.

Colloids and Surfaces A Physicochemical and Engineering Aspects, Journal Year: 2024, Volume and Issue: 697, P. 134461 - 134461

Published: June 5, 2024

Language: Английский

Citations

4
Co-Assembly-Driven Chiral Induction of Well-Defined Polyfluorene-block-Poly(phenyl isocyanide) and Its Enhanced Circularly Polarized Luminescence Performance DOI
Hui Zou, Shuyang Zhao,

C. D. Han

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Chiral induction of polyfluorene (PF)-containing block copolymers plays a crucial role in the development advanced functional materials; however, research this area remains scarce. In contribution, PFO-b-PPI diblock comprising blocks poly(9,9-dioctylfluorene) (PFO) and poly(phenyl isocyanide) (PPI) were readily synthesized one pot by combining chain-growth Suzuki cross-coupling polymerization modified 9,9-dioctylfluorene monomer with Pd(II)-catalyzed phenyl isocyanide bearing pentafluorophenyl ester substitute. The obtained possessed controlled molar mass (Mn) narrow dispersity (Mw/Mn, Đ). Meanwhile, optically active supramolecular assemblies could be formed via coassembly chiral binaphthyl-based inducer film state after thermal annealing treatment, chirality was influenced temperature weight ratio copolymer to inducer, thickness film. Further investigations revealed that exhibited morphology single-handed helical nanofibers, sense nanofibers depended on configuration inducer. Moreover, excellent circularly polarized luminescence (CPL) performance glum as high 0.11.

Language: Английский

Citations

0
A review on MXene (Ti3C2Tx) composites with varied sizes of carbon for supercapacitor applications DOI Creative Commons

Ruby Garg

Deleted Journal, Journal Year: 2025, Volume and Issue: 3(1), P. 1920 - 1920

Published: Jan. 14, 2025

MXenes belongs to a family of two‐dimensional (2D) layered transition metal carbides or nitrides which shows outstanding potential for various energy storage applications because their high‐specific surface area, phenomenal electrical conductivity, hydrophilicity, and variable terminations. Of these different types MXenes, the most widely studied member is Ti3C2Tx especially in supercapacitors (SCs). However, due problem stacking oxidation MXene sheets, significant loss electrochemically active sites happens. To overcome issues, incorporation carbon materials carried out into enhancing its electrochemical performance. This review aims introduce common strategies employed synthesizing Ti3C2Tx, followed by brief overview latest developments fabricating Ti3C2Tx/carbon electrode SCs. The composition are summarized based on dimensions carbons, such as 0D dots, 1D nanotubes fibers, 2D graphene, 3D (activated carbon, polymer‐derived etc.). Further, this also highlighting several insights fabrication novel MXenes/carbon composites electrodes application

Language: Английский

Citations

0
Potential of conjugated polymers in nanostructured coatings for energy applications DOI

M.F. De Riccardis

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 511 - 533

Published: Jan. 1, 2025

Language: Английский

Citations

0
Enhanced Oxygen Reduction Reaction Activity of Manganese Oxide via p−d Hybridization with Aluminum Group Element Dopants DOI
Guo‐Qing Qin, Yixin Hao,

Haoliang Ma

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(14)

Published: Dec. 22, 2023

Abstract Doping engineering is an effective strategy to improve the electrocatalytic activity of manganese oxides by enhancing their poor electrical conductivity and oxygen adsorption capacity. Herein, p‐block aluminum group metal ions (Al 3+ , Ga In ) are introduced into cryptomelane‐type oxide octahedral molecular sieves (OMS‐2), leading p−d orbital hybridization between p‐orbitals metals d‐orbitals Mn, facilitating reduction reaction. The metal‐doped OMS‐2 exhibits excellent catalytic activity, rapid reaction kinetics, favorable stability compared commercial Pt/C. Among three prepared catalysts, Ga‐doped (Ga‐OMS‐2) has stronger activity. Experimental theoretical calculations show that superiority Ga‐OMS‐2 attributed hybridization, which enriches sites enhances binding strength catalyst O 2 intermediates. As a proof concept, Zinc−air batteries assembled with as exhibit superior power density cycle life This gives insight doping catalysts other transition durability for energy storage conversion.

Language: Английский

Citations

5
Unique Core−Shell Structured Polyaniline Nanofibers Toward Ultrahigh−Rate Flexible All−Solid−State Supercapacitor DOI
Shuo Hu, Jiawei Qin, Yueying Shen

et al.

Macromolecular Rapid Communications, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 10, 2024

Abstract Promoting charge storage and fast charging capability simultaneously is a long–standing challenge for supercapacitors. A facile flowing seed polymerization adopted to prepare polyaniline (PANI) nanofibers, in which phytic acid (PA) doped oligomers are first produced as the seeds promoting highly oriented growth of PANI nanofibers accompanying with copolymerization m−aminobenzene sulfonic (ASA) aniline occurred on surface result, unique core−shell structured continuously fabricated. Benefitting from compact nanofiber structure, excellent dispersion, self–doping effect, as–prepared exhibit specific capacitance 671.2 F g −1 at 2 ultrahigh rate 93.1% 100 . Then assembled all–solid–state supercapacitor can deliver highest energy density 28.3 Wh kg power 320.2 W remarkable (81.2% 1 20 ), cycle stability (77.5% after 5000 cycles) well light weight flexibility. It desirable that present green scalable approach be further applied fabricate other core–shell appealing potentials devices.

Language: Английский

Citations

1