New Carbazole-Based Polymer with a D–A System as a Highly Stable Organic Electrode Material for an Asymmetric Supercapacitor DOI
G. V. P. N. Srikanth, Abhishek Narayanan, Deepak Devadiga

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 23, 2024

Over the past few decades, conductive polymers have captured significant focus due to their distinct conducting properties and enhanced application in energy storage devices. In this regard, a novel strategy of donor–acceptor type polymer been synthesized via direct arylation polymerization method using palladium acetate as catalyst. The (named SP) exhibited good thermal stability 286.5 °C possessed lower band gap 2.3 eV which was determined from optical electrochemical techniques. SP exhibits three-electrode specific capacitance 611.2 F g–1 1 M KOH at current density A g–1. Further, applied positive electrode material, activated carbon used negative material asymmetric system. At 2 density, supercapacitor device be 140.13 It observed that an excellent 52.69 W h kg–1 2334 power cyclic up 10,500 cycles with retained initial capacity 92.6%.

Language: Английский

Construction of Fe- and N-Doped Microporous Carbon from Ferrocene-Based Conjugated Microporous Polymers for Supercapacitive Energy Storage DOI Creative Commons

Mohamed Gamal Mohamed,

Mohammed G. Kotp,

Aya Osama Mousa

et al.

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

Published: Feb. 6, 2025

The rising interest in conjugated microporous polymers (CMPs) as prospective electrode materials for supercapacitors (SCs) has been dampened by numerous obstacles. Many CMPs exhibit poor conductivity and substandard electrochemical properties, limiting their practical applications. In response to these issues, we successfully synthesized Fe- N-doped carbon-based from Py-BZFC-CMP Py-PHFC-CMP through calcination potassium hydroxide (KOH) activation at 800 °C. resulting carbons, designated Py-BZFC-CMP-800 Py-PHFC-CMP-800, demonstrated excellent attributes, including outstanding thermal stability with a Td10 up 732 °C, impressive char yields reaching 87 wt %. Furthermore, exhibited large surface areas, peaking 376 m2 g–1, significant total pore volume (PVtotal) of 0.36 cm3 g–1. One remarkable material, produced KOH exceptional performance. It achieved specific capacitance 324 F g–1 0.5 A rivaling some the highest performing porous carbon reported date. Py-PHFC-CMP-800 cycling stability, retaining 86% its after 5000 charge–discharge cycles 10 This project offers advancement field CMP-based showcasing how rational precursor design pyrolysis can lead creation high-performance carbons. Fe heteroatom doping approach enhances functionality opens possibilities owing use valuable application, efficient energy storage systems.

Language: Английский

Citations

3

Electrocatalytic conversion of CO2 into selective carbonaceous fuels using metal-organic frameworks: An overview of recent progress and perspectives DOI

E. Sivasurya,

Raji Atchudan,

Mohamed Gamal Mohamed

et al.

Materials Today Chemistry, Journal Year: 2025, Volume and Issue: 44, P. 102538 - 102538

Published: Jan. 21, 2025

Language: Английский

Citations

2

Redox-active a pyrene-4,5,9,10-tetraone and thienyltriazine-based conjugated microporous polymers for boosting faradaic supercapacitor energy storage DOI
Swetha V. Chaganti, Santosh U. Sharma, Aya Mohamed Abuelftooh

et al.

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 627, P. 235848 - 235848

Published: Nov. 21, 2024

Language: Английский

Citations

8

Rational Engineering and Synthesis of Pyrene and Thiazolo[5,4-d]thiazole -Functionalized Conjugated Microporous Polymers for Efficient Supercapacitor Energy Storage DOI
Abdul Basit,

Yang‐Chin Kao,

Yasser A. El‐Ossaily

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(44), P. 30508 - 30521

Published: Jan. 1, 2024

The Py-Th-TzTz CMP was synthesized through a Schiff base reaction and exhibited decomposition temperature ( T d10 ) of 352 °C. In three-electrode system, it demonstrated specific capacitance 652 F g −1 .

Language: Английский

Citations

5

Recent Developments in Polymeric Adsorbents for CO2 Capture DOI Open Access

Jasmine Kaur,

Sudhir Kumar Singh, Raj Kumar Gupta

et al.

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(6)

Published: Feb. 1, 2025

Abstract The increasing reliance on fossil fuels and anthropogenic activities has led to rising CO 2 emissions, contributing significantly global warming. Carbon capture technologies are essential in mitigating these effects, with post combustion adsorption emerging as a promising technique. field of polymer is rapidly growing continuous innovations science, customisation techniques, performance. Moreover, the information scattered throughout literature needs better compilation. This review highlights developments polymeric adsorbents over past decade for capture. These offer greater versatility due their tunable structures functional properties. Chemical modification, such amine functionalization, increased porosity enhances capacity selectivity. Due high densities, amines like PEI, supported other adsorbents, have shown superior Additionally, waste polymer‐based dual benefit environmental pollution reduction. By presenting developments, we illustrate how materials related drive advancements sustainable carbon technologies.

Language: Английский

Citations

0

Nitrogen- and Sulfur-Rich Microporous Carbons Derived from Conjugated Microporous Polymers for CO2 Uptake, Supercapacitor Energy Storage, and Electrochemical Hydrogen Production DOI Creative Commons

Poonam Nagendra Singh,

Mohamed Gamal Mohamed,

Mohammed G. Kotp

et al.

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

Published: Feb. 23, 2025

In this work, we synthesized Py-DPABT CMP through Sonogashira–Hagihara cross-coupling reactions between N4,N7-bis(4-bromophenyl)-N4,N7-diphenylbenzo[c][1,2,5]thiadiazole-4,7-diamine (DPABT-Br2) and 1,3,6,8-tetraethynylpyrene (Py-T). This was subsequently carbonized at 500 700 °C transformed into a porous carbonaceous electrode precursor for supercapacitors (SCs), yielding CMP-500 CMP-700 containing N S heteroatoms. Using distinct analytical methods, investigated the electrochemical characteristics, CO2 uptake, configuration, porosity, thermal stability, chemical structure of before after carbonization °C, respectively. After carbonization, material (Py-DPABT CMP-500) achieved BET surface area (SABET) 423 m2 g–1 adsorption capacity reached 3.55 mmol 0 °C. Electrochemical evaluations revealed that exhibited enhanced performance when utilized as supercapacitor electrodes, facilitated by According to three-electrode analyses, specific capacitances up 973 F 1 A g–1. Additionally, they demonstrated exceptional durability, maintaining 98% their 2000 cycles tested current 10 Furthermore, capacitance symmetric coin cell 627 The hydrogen evolution reaction were assessed in M KOH electrolyte utilizing setup. catalyst density mA cm–2 with an overpotential 325 mV Tafel slope 169 dec–1. it low charge transfer resistance (Rct) 88 Ω substantial double-layer (Cdl) 72.8 mF cm–2, highlighting its potential efficient electrocatalyst HER applications. These findings underscore practical applications investigate synergistic effects heteroatoms process CMPs, enhancing suitability supercapacitor, HER.

Language: Английский

Citations

0

Pyrene-Linked Covalent Organic Polymer/Single-Walled Carbon Nanotubes Hybrids as High-Performance Electrodes for Supercapacitive Energy Storage DOI Creative Commons

Mohamed Gamal Mohamed,

Abdul Basit, Chih‐Cheng Shih

et al.

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

Published: March 12, 2025

Language: Английский

Citations

0

Benzoxazine-linked polyhedral oligomeric silsesquioxane: 3D porous organic-inorganic polymer for improved CO2 capture and supercapacitor performance DOI
Mohsin Ejaz,

Mohamed Gamal Mohamed,

Shiao‐Wei Kuo

et al.

Journal of the Taiwan Institute of Chemical Engineers, Journal Year: 2025, Volume and Issue: unknown, P. 106098 - 106098

Published: March 1, 2025

Language: Английский

Citations

0

Efficient uptake of iodine by conjugated microporous polymer@electrostatically spun silk-based composite membranes DOI

Anli Yi,

Yong‐Wei Zhang,

Qianzhi Chen

et al.

Surfaces and Interfaces, Journal Year: 2025, Volume and Issue: unknown, P. 106362 - 106362

Published: March 1, 2025

Language: Английский

Citations

0

Nitrogen–Oxygen Co-Doped Porous Carbons from Flexible Covalent Organic Frameworks for Supercapacitors DOI
Qi Ma, Jun Qian, Qixin Zhuang

et al.

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

Published: April 20, 2025

Language: Английский

Citations

0