Controlled nanosheet morphology of titanium carbide Ti3C2Tx MXene via drying methods and its electrochemical analysis

Pan, XinHui; Shinde, Nanasaheb M.; Lee, Myungwon; Kim, Dong-Hyun; Kim, Kwang Ho; Kang, Myung Chang

doi:10.1007/s10008-020-04495-4

Cited by 36 publications

(13 citation statements)

References 36 publications

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“…Other than lithium-ion batteries, Ti 3 C 2 is also been known to benefit supercapacitors by inducing them with properties of fast charging and discharging and more stability for recycling. For instance, currently, Ti 3 C 2 T x was studied to offer good capacitance in alkaline and acidic environments along with stability over 10 000 cycles . Furthermore, the electrode of Ti 3 C 2 T x is known to be more efficient in an acidic environment than alkali based on its ability to show pseudocapacitance.…”

Section: Overview and Fundamentals Of Mxenementioning

confidence: 99%

“…For instance, currently, Ti 3 C 2 T x was studied to offer good capacitance in alkaline and acidic environments along with stability over 10 000 cycles. 140 Furthermore, the electrode of Ti 3 C 2 T x is known to be more efficient in an acidic environment than alkali based on its ability to show pseudocapacitance. This is attributed to the boosted energy density as a result of reversible redox reactions on the surface.…”

Section: Work Function (Wf)mentioning

confidence: 99%

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Titanium Carbide (Ti₃C₂) MXene as a Promising Co-catalyst for Photocatalytic CO₂ Conversion to Energy-Efficient Fuels: A Review

et al. 2021

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Photocatalytic CO2 reduction to produce valuable chemicals and fuels using solar energy provides an appealing route to alleviate global energy and environmental problems. However, available semiconductor materials are less efficient to promote CO2 conversion to energy-efficient fuels. In the current development, titanium carbide (Ti3C2) MXene as a co-catalyst with a high conductivity, abundant active sites, and large specific surface area, is a preeminent candidate to promote semiconductor photoactivity. This review provides an overview in the utilization of Ti3C2 as a promising co-catalyst for maximizing CO2 reduction efficiency and product selectivity. In the mainstream, developments in Ti3C2 MXene-based composites for CO2 conversion through different processes, such as CO2 reduction with water, photocatalytic CO2 methanation, and natural gas flaring reduction to synthesis gas, have been discussed. The review also gives an overview of the factors crucial to affect photocatalytic properties of Ti3C2, such as morphological, electrical, optical, and luminescence characteristics. The fundamental mechanism of Ti3C2T x for photocatalytic reduction of CO2 and strategies to improve the photocatalytic performance are also described. The great emphasis is given on in situ TiO2 production and hybridization with other semiconductors to obtain an efficient co-catalyst for selective CO2 reduction. Lastly, conclusions and future prospectives to further explore in the field of energy and fuels are included.

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Section: Overview and Fundamentals Of Mxenementioning

confidence: 99%

Section: Work Function (Wf)mentioning

confidence: 99%

Titanium Carbide (Ti₃C₂) MXene as a Promising Co-catalyst for Photocatalytic CO₂ Conversion to Energy-Efficient Fuels: A Review

et al. 2021

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“…MXenes also widely used in developing supercapacitors that are taken into account in replacements of energy storage devices due to elevated rates of charge/discharge compared to batteries and longer cycling stability. For example, multilayered Ti 3 C 2 T x offered functioning of 340 F/cm 3 in KOH alkaline solutions [91], which is identical or finer than marketable activated and graphene carbon electrodes (correspondingly, 200-350 and 180 F/cm 3 ) [92]. When subjected to acidic solutions, such as H 2 SO 4 , the Ti 3 C 2 T x film disclosed very good volumetric capacitance values (900 F/cm 3 at 2 mVs −1 rate), even after 10,000 cycles, without degradation [91][92][93].…”

Section: Mxene For Energy Storage: Supercapacitors/dielectricsmentioning

confidence: 99%

Current Trends in MXene-Based Nanomaterials for Energy Storage and Conversion System: A Mini Review

et al. 2020

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MXene is deemed to be one of the best attentive materials in an extensive range of applications due to its stupendous optical, electronic, thermal, and mechanical properties. Several MXene-based nanomaterials with extraordinary characteristics have been proposed, prepared, and practiced as a catalyst due to its two-dimensional (2D) structure, large specific surface area, facile decoration, and high adsorption capacity. This review summarizes the synthesis and characterization studies, and the appropriate applications in the catalysis field, exclusively in the energy storage systems. Ultimately, we also discussed the encounters and prospects for the future growth of MXene-based nanomaterials as an efficient candidate in developing efficient energy storage systems. This review delivers crucial knowledge within the scientific community intending to design efficient energy storage systems.

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“…Excitingly, the N-Mxene-F//N-Mxene-F SSC devices can easily achieve a maximum energy density of 12.78 Wh kg −1 when the power density is 1080 W kg −1 , as shown in Figure 5 c. More importantly, the energy density can still be maintained at 8.46 Wh kg −1 when the power density increases to 10.87 kW kg −1 . It is worth noting that both the energy density and power density of our SSC devices are higher than those of previously reported SSC devices based on graphene- and MXene-based materials, such as PANI-RGO-ZnO//PANI-RGO-ZnO (5.61 Wh kg −1 , 403 W kg −1 ) [ 35 ], LT-Ti 3 C 2 T x //LT-Ti 3 C 2 T x (5.67 Wh kg −1 , 589 W kg −1 ) [ 36 ], MXene/N-CuMe 2 Pc//MXene/N-CuMe 2 Pc (8.84 Wh kg −1 , 112,3 W kg −1 ) [ 37 ], MXene/NCF//MXene/NCF (8.75 Wh kg −1 , 1871 W kg −1 ) [ 38 ], G/MXene//G/MXene (5.7 Wh kg −1 , 5000 W kg −1 ) [ 39 ], and G/Ni//G/Ni (3.03 Wh kg −1 , 562.5 W kg −1 ) [ 40 ]. To further demonstrate the practical application potential of our assembled SSC.…”

Section: Resultsmentioning

confidence: 65%

Nitrogen-Doped Porous MXene (Ti3C2) for Flexible Supercapacitors with Enhanced Storage Performance

Tao

Zhang

et al. 2022

Molecules

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Flexible supercapacitors (FSCs) are limited in flexible electronics applications due to their low energy density. Therefore, developing electrode materials with high energy density, high electrochemical activity, and remarkable flexibility is challenging. Herein, we designed nitrogen-doped porous MXene (N-MXene), using melamine-formaldehyde (MF) microspheres as a template and nitrogen source. We combined it with an electrospinning process to produce a highly flexible nitrogen-doped porous MXene nanofiber (N-MXene-F) as a self-supporting electrode material and assembled it into a symmetrical supercapacitor (SSC). On the one hand, the interconnected mesh structure allows the electrolyte to penetrate the porous network to fully infiltrate the material surface, shortening the ion transport channels; on the other hand, the uniform nitrogen doping enhances the pseudocapacitive performance. As a result, the as-assembled SSC exhibited excellent electrochemical performance and excellent long-term durability, achieving an energy density of 12.78 Wh kg−1 at a power density of 1080 W kg−1, with long-term cycling stability up to 5000 cycles. This work demonstrates the impact of structural design and atomic doping on the electrochemical performance of MXene and opens up an exciting possibility for the fabrication of highly FSCs.

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Controlled nanosheet morphology of titanium carbide Ti3C2Tx MXene via drying methods and its electrochemical analysis

Cited by 36 publications

References 36 publications

Titanium Carbide (Ti₃C₂) MXene as a Promising Co-catalyst for Photocatalytic CO₂ Conversion to Energy-Efficient Fuels: A Review

Titanium Carbide (Ti₃C₂) MXene as a Promising Co-catalyst for Photocatalytic CO₂ Conversion to Energy-Efficient Fuels: A Review

Current Trends in MXene-Based Nanomaterials for Energy Storage and Conversion System: A Mini Review

Nitrogen-Doped Porous MXene (Ti3C2) for Flexible Supercapacitors with Enhanced Storage Performance

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Controlled nanosheet morphology of titanium carbide Ti3C2Tx MXene via drying methods and its electrochemical analysis

Cited by 36 publications

References 36 publications

Titanium Carbide (Ti3C2) MXene as a Promising Co-catalyst for Photocatalytic CO2 Conversion to Energy-Efficient Fuels: A Review

Titanium Carbide (Ti3C2) MXene as a Promising Co-catalyst for Photocatalytic CO2 Conversion to Energy-Efficient Fuels: A Review

Current Trends in MXene-Based Nanomaterials for Energy Storage and Conversion System: A Mini Review

Nitrogen-Doped Porous MXene (Ti3C2) for Flexible Supercapacitors with Enhanced Storage Performance

Contact Info

Product

Resources

About

Titanium Carbide (Ti₃C₂) MXene as a Promising Co-catalyst for Photocatalytic CO₂ Conversion to Energy-Efficient Fuels: A Review

Titanium Carbide (Ti₃C₂) MXene as a Promising Co-catalyst for Photocatalytic CO₂ Conversion to Energy-Efficient Fuels: A Review