Novel CNT/MXene composite membranes with superior electrocatalytic efficiency and durability for sustainable wastewater treatment

Zhang, Zezhou; Li, Wansheng; Zhao, Boyu; Yang, Xiuying; Zhao, Chennan; Wang, Wenyi; Yang, Xiangdong; Shen, Ao; Ye, Meiqi

doi:10.1016/j.cej.2024.153605

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.153605

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Novel CNT/MXene composite membranes with superior electrocatalytic efficiency and durability for sustainable wastewater treatment

Zezhou Zhang,

Wansheng Li,

Boyu Zhao

et al.

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Cited by 2 publications

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Carbon Nanotube/MXene Composite with a Dense Regular Connective Tissue Structure and Its Application in Lithium-Ion Batteries

Hong,

Tian,

Fang

et al. 2024

ACS Appl. Energy Mater.

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MXene materials hold promise for lithium-ion battery applications but face challenges from interlayer restacking, which impedes both mechanical robustness and ionic transport. Inspired by the dense regular connective tissue of vertebrates, a biomimetic composite is developed, integrating superaligned carbon nanotubes (SACNTs) and Ti 3 C 2 . In this architecture, SACNTs "fibers" serve as mechanical skeletons and transport channels, while Ti 3 C 2 "cells" disperse uniformly and expose abundant lithium storage sites. This composite could endure strains up to 8.01% and 1000 cycles of large-angle bending. Electrochemically, it exhibits commendable rate capabilities (253.1 mA h g −1 at 10 A g −1 ) and robust cycling stability (3300 cycles at 5 A g −1 ) at room temperature, with sustained functionality even at −40 °C. Density functional theory calculations highlight the efficacy of carbon layers in reducing the adsorption energy toward Li. This biomimetic strategy effectively addresses the challenge of MXene restacking and improves the utility in advanced energy storage.

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Carbon Nanotube/MXene Composite with a Dense Regular Connective Tissue Structure and Its Application in Lithium-Ion Batteries

Hong,

Tian,

Fang

et al. 2024

ACS Appl. Energy Mater.

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MXene/Carbon Nanocomposites for Water Treatment

Keneshbekova,

Smagulova,

Kaidar

et al. 2024

Membranes

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One of the most critical problems faced by modern civilization is the depletion of freshwater resources due to their continuous consumption and contamination with different organic and inorganic pollutants. This paper considers the potential of already discovered MXenes in combination with carbon nanomaterials to address this problem. MXene appears to be a highly promising candidate for water purification due to its large surface area and electrochemical activity. However, the problems of swelling, stability, high cost, and scalability need to be overcome. The synthesis methods for MXene and its composites with graphene oxide, carbon nanotubes, carbon nanofibers, and cellulose nanofibers, along with their structure, properties, and mechanisms for removing various pollutants from water, are described. This review discusses the synthesis methods, properties, and mechanisms of water purification using MXene and its composites. It also explores the fundamental aspects of MXene/carbon nanocomposites in various forms, such as membranes, aerogels, and textiles. A comparative analysis of the latest research on this topic shows the progress in this field and the limitations for the practical application of MXene/carbon nanocomposites to solve the problem of drinking water scarcity. Consequently, this review demonstrates the relevance and promise of the material and underscores the importance of further research and development of MXene/carbon nanocomposites to provide effective water treatment solutions.

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Novel CNT/MXene composite membranes with superior electrocatalytic efficiency and durability for sustainable wastewater treatment

Cited by 2 publications

References 56 publications

Carbon Nanotube/MXene Composite with a Dense Regular Connective Tissue Structure and Its Application in Lithium-Ion Batteries

Carbon Nanotube/MXene Composite with a Dense Regular Connective Tissue Structure and Its Application in Lithium-Ion Batteries

MXene/Carbon Nanocomposites for Water Treatment

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