Covalent Organic Frameworks and Their Derivatives for Applications in High‐Performance Lithium–Sulfur Batteries DOI
Xiudong Chen,

Huixiong Jiang,

Jin‐Hang Liu

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 30, 2024

Abstract Lithium–Sulfur batteries (LSBs) are widely regarded as one of the most promising energy storage systems due to their ultra‐high theoretical density and environmental friendliness. However, practical applications LSBs face significant challenges, including shuttle effect soluble polysulfides formation lithium dendrites. Covalent organic frameworks (COFs) have emerged potential materials for inhibiting polysulfide buffering This review provides an overview latest advancements in use COF its derivative sulfur host materials, modified commercial separators, electrolytes LBSs, makes some brief conclusions predictions. Pure COFs, derivatives, composites discussed hosts, along with novel strategies intended enhance LSB cycling stability reversibility. Strategies enhancing performance summarized through modification separators using ultimate goal achieving high density. It also discusses designing COF‐based electrolytes, which include structural design, ionic introduction salt molecules or flexible oligo(ethylene oxide) chains into skeletons. Additionally, future prospects COFs derivatives LSBs.

Language: Английский

Enhanced Biological Behavior and Photothermal Antibacterial Performance of TiNbCTx MXene Modified Mesoporous Bioactive Glass Nanocomposites DOI Open Access

Siqing Yan,

Qian Ma, Cuilian Wen

et al.

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

Published: Jan. 15, 2025

Abstract Mesoporous bioactive glasses (MBGs) are gaining recognition in bone tissue engineering for their osteoblast differentiation‐inducing properties and customizable structures. However, the challenge of peri‐implantitis has hindered broader application. To address this, double transition metal TiNbCT x MXene acted as near‐infrared (NIR) photothermal agent, been integrated with MBG nanospheres to develop novel multifunctional /MBG (TNC/MBG) nanocomposites this work. The results demonstrate that TNC/MBG composites feature uniform mesoporous spherical nanoparticles on nanosheets, boasting a significantly enhanced specific surface area up 444.74 m 2 g −1 more negative zeta potential than pristine MBG. Importantly, can effectively promote apatite formation, well proliferation viability MC3T3‐E1 cells. Moreover, it is highlighted display remarkable conversion efficiency stability, leading over 95% antibacterial inhibition rates against both S. aureus E. coli under NIR irradiation. These findings offer an appealing strategy biological activity robust properties, which shows great various biomedical applications.

Language: Английский

Citations

2
In Situ Electrochemical Reconstruction of Terephthalate Metal–Organic Framework Nanosheets for High‐Efficiency Lithium‐Ion Storage DOI Open Access

Zhongnan Cao,

Jiewu Cui, Dongbo Yu

et al.

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

Published: Jan. 15, 2025

Abstract The use of metal–organic frameworks (MOFs) as electrode materials in electrochemical energy storage is still limited to two options, except for a few electrochemically stable MOFs that can be directly used electrodes. Most the often serve templates preparing inorganic This study demonstrates terephthalate MOF nanosheet electrodes represent an alternative category effective Li + through situ reconstruction mechanism. Upon initial lithiation/de‐lithiation cycles, original assembly transitions distinctive plum pudding‐like structure with massive metal oxide nanocrystals embedded porous lithium matrix, which deliver high capacity 1582.4 mAh g −1 at current density 0.1 A and maintain reversible 502.6 2 after 2000 cycles. offers valuable reference designing advancing applications electrochemistry.

Language: Английский

Citations

1
Enhanced Electron Conductivity, Stability, and Electrochemical Performance of MXene-Coated Manganese and Iron Oxides as Negative Electrode of Supercapacitors DOI
Moo Young Jung,

Yongsuk Oh,

Seung-Wook Eom

et al.

Electrochimica Acta, Journal Year: 2025, Volume and Issue: 521, P. 145879 - 145879

Published: Feb. 18, 2025

Language: Английский

Citations

1
Heteroatom doping in 2D MXenes for energy storage/conversion applications DOI Creative Commons
Sumanta Sahoo, Rajesh Kumar, Iftikhar Hussain

et al.

Advanced Powder Materials, Journal Year: 2024, Volume and Issue: 3(6), P. 100246 - 100246

Published: Oct. 5, 2024

Language: Английский

Citations

8
Spark plasma sintering of Ti2AlC/TiC MAX-phase based composite ceramic materials and study of their electrochemical characteristics DOI
О. О. Шичалин, Nikita Ivanov, A. I. Seroshtan

et al.

Ceramics International, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 1, 2024

Language: Английский

Citations

8
MX/MWCNTs composite material aids new strategy for HBV-DNA electrochemical biosensor: achieving multi-level signal amplification and unlabeled detection DOI Creative Commons
Shan Huang,

Huihao Li,

Mingli Yang

et al.

Advanced Composites and Hybrid Materials, Journal Year: 2025, Volume and Issue: 8(1)

Published: Jan. 17, 2025

Hepatitis B virus DNA (HBV-DNA) serves as a crucial biomarker for the detection of hepatitis virus, with variations in its concentration blood samples providing vital insights into patient infection and recovery status. We have developed an electrochemical biosensor tailored HBV-DNA detection, exhibiting high sensitivity, specificity, broad range. The utilizes composite material composed MXene multiwalled carbon nanotubes (MX/MWCNTs), prepared through hand-shaking self-assembly technique, to modify glassy electrode (GCE) serve signal receivers. A meticulously designed padlock probe specifically recognizes forms double-stranded structure, which is subsequently degraded by exonuclease III. resulting sequence then hybridizes PolyT-primer create template, triggering rolling circle amplification releasing substantial amount pyrophosphate initial level amplification. Subsequently, induces release methylene blue (MB) from MB@ZIF-90 composite, achieving second released MB adsorbed MX/MWNCNTs-modified GCE, possesses cationic dye adsorption capabilities large specific surface area, generating completing third This offers range spanning 1.0 pM × 106 pM, remarkable limit low 0.5 (3σ/S), capable distinguishing base mismatches. Furthermore, it has demonstrated excellent specificity performance serum testing. this demonstrates significant potential clinical application, ultimate goal improving diagnosis management B.

Language: Английский

Citations

0
Electrospun Ti3C2 MXene Fiber‐Decorated Interlayer for Synchronous Sulfur Activation and Lithium Stabilization DOI Open Access
Bo Zhao, Lixian Song,

Zhijuan Zou

et al.

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

Published: Feb. 16, 2025

Abstract Concurrent regulation of sulfur redox kinetics and lithium deposition homogeneity is a key prerequisite for achieving high‐performance lithium–sulfur (Li–S) batteries. To this end, rational design dual‐functional interlayers recognized as feasible yet promising approach. Herein, few‐layered Ti 3 C 2 MXene flakes are uniformly decorated into the porous carbon nanofiber film via straightforward electrostatic spinning technique, wherein content fine‐tuned to maximum utilization stabilize anode. For one thing, it revealed by synchrotron radiation X‐ray three‐dimensional nano‐computed tomography that MXene‐decorated fiber can expedite polysulfide conversion induce favorable Li S nucleation. another, small‐angle neutron scattering evidence substantiates abundant lithiophilic sites conducive homogenizing Li‐ion flux promoting during cycling procedure. As consequence, Li–S batteries maintain stable operation at 2.0 over 1000 cycles with low‐capacity degeneration rate 0.057% per cycle, accompanied superior areal capacity 7.5 mAh cm −2 when loading increased 9.5 mg . More encouragingly, as‐assembled multi‐layer pouch cell deliver an impressive energy density 342.3 Wh kg −1 smooth cyclic operation.

Language: Английский

Citations

0
Enhancing the Performance of MXenes and MBenes-Based Materials for Maximized Efficiency in the Oxygen Reduction Reaction DOI
Hari Shankar Biswas, Amit Kundu,

Dilip K. Maiti

et al.

IGI Global eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 171 - 202

Published: April 8, 2025

MXenes and MBenes, advanced two-dimensional materials with outstanding structural electronic properties, are gaining prominence in energy conversion storage, particularly for the oxygen reduction reaction (ORR). ORR, essential fuel cells metal-air batteries, suffers from sluggish kinetics, efficient catalysts. While noble metals like platinum excel this role, their high cost scarcity necessitate alternatives. MXenes, consisting of transition metal carbides, nitrides, or carbonitrides, exhibit metallic conductivity tunable surface chemistry, making them ideal ORR catalysis. Similarly, nitride-based analogs, show great promise. Optimization methods selective etching, functionalization, heteroatom doping significantly enhance catalytic performance. This review explores synthesis, structure, mechanisms highlighting recent progress, addressing stability scalability challenges, identifying future directions improving efficiency sustainable applications.

Language: Английский

Citations

0
High Foot Traffic Power Harvesting Technologies and Challenges: A Review and Possible Sustainable Solutions for Al-Haram Mosque DOI Creative Commons

Fatimah Alotibi,

Muhammad Khan

Applied Sciences, Journal Year: 2025, Volume and Issue: 15(8), P. 4247 - 4247

Published: April 11, 2025

The growing global demand for sustainable energy solutions has led to increased interest in kinetic harvesting as a viable alternative traditional power sources. High-foot-traffic environments, such public spaces and religious sites, generate significant mechanical that often remains untapped. This study explores energy-harvesting technologies applicable areas with heavy foot traffic, focusing on Al-Haram Mosque Saudi Arabia—one of the most densely populated sites world. research investigates potential piezoelectric, triboelectric, hybrid systems convert pedestrian traffic into electrical energy, addressing challenges efficiency, durability, scalability, integration existing infrastructure. Piezoelectric materials, including PVDF BaTiO3, effectively stress from footsteps electricity, while triboelectric nanogenerators (TENGs) utilize contact electrification lightweight, flexible capture. In addition, this examines material innovations 3D-printed biomimetic structures, MXene-based composites (MXene is two-dimensional made transition metal carbides, nitrides, carbonitrides), improve longevity scalability high-density footfall environments. Proposed applications include mats embedded piezoelectric elements IoT devices, LED lighting, environmental sensors. While remain degradation, cost, emerging advanced present promising pathway toward sustainable, self-powered infrastructure large-scale, high-foot-traffic settings. These findings offer transformative approach sustainability, reducing reliance sources contributing Arabia’s Vision 2030 renewable adoption.

Language: Английский

Citations

0
An emerging two-dimensional transition metal boride (MBene) material: recent experimental progress and prospects (EXM-D-25-00003) DOI Creative Commons
Wei Xiong, Zhijun Dong

Published: April 1, 2025

Language: Английский

Citations

0