High-Precision Three-Dimensional Printing in a Flexible, Low-Cost and Versatile Way: A Review

Yang, Jianming; Zhou, Bin; Han, Dongxiao; Cui, Ningxin; Li, Bo; Shen, Jun; Zhang, Zhihua; Du, Ai

doi:10.30919/esmm5f526

Cited by 19 publications

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“…Recently, 3D printing of supercapacitor electrode by direct ink writing (DIW) has shown its ability to satisfy the customization of macroscopic periodic 3D structures, endowing supercapacitor electrodes to maximize the accessibility of electrolytes. [13,33,36,37] Herein, based on our previous research, [38] we first proposed a hierarchically porous 3D-printed CA electrode derived from pure resorcinol-formaldehyde aerogelbased sol-gel ink by combining DIW 3D printing technology, freeze-drying, and carbonization. Furthermore, most of the existing researches on DIW 3D-printed electrodes are triggered by a one-pot method to prepare the printable inks.…”

Section: Introductionmentioning

confidence: 99%

A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm^–2

Yang

Cui

Han

et al. 2021

Adv Materials Technologies

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the specific capacitances of supercapacitor electrodes measured by area or volume are the primary consideration for electrochemical energy storage within miniaturized footprint area. [11][12][13] Besides, for supercapacitor electrodes, the design of more doses of active materials means that there exists plenty of active sites available for reversible redox reactions. [14] As a result, it seems desirable to configure a supercapacitor electrode with a high mass loading (per unit area or volume) of active materials, such as a relatively dense distribution or a large thickness. However, such designs usually tend to cause the sluggish electron/ion diffusion, as well as the insufficient use of active materials, which instead limits the overall performance of supercapacitors. [15,16] Carbon aerogel (CA) is a type of hierarchically porous material ranging from micropores to macropores, which exhibits excellent application prospects in catalysis, adsorption, sensing, water evaporation, bone regeneration, electromagnetic shielding, and energy storage. [17][18][19][20][21][22][23][24] Especially, because of the excellent properties such as abundant porosity, ultrahigh specific surface area, good electrical conductivity, excellent infiltration, and good mass transfer ability, CA is considered as a promising electrode material in supercapacitors. [13,[25][26][27] Over the past few years, many efforts have been focused on modifying the pore size distribution of CA to further improve specific capacitance. The abundant micropores and small mesopores for CA are beneficial to the increase of specific capacitance due to a significant increase in specific surface area and active sites. [28] Interestingly, larger mesopores (20-50 nm) are detrimental to the specific capacitance due to the barrier effect for ion diffusion. [29,30] The precise control of sol-gel process was usually used to avoid these larger mesopores. [31] In addition, macropores, as well as micrometer-level or even sub-millimeter-level channels are also conducive to the improvement of specific capacitance, because of the unimpeded channels for electrolyte entry and replacement. [25,28,[32][33][34][35] However, excessive larger channels are unfavorable for their mechanical properties and loading amount of active materials. [16,23] Therefore, the hierarchical pores ranging from nanometer to sub-millimeter scale other than larger mesopores A well-designed pore structure and optimized interface will improve specific capacitances of carbon-based supercapacitor electrodes significantly. Herein, a simple strategy is used to prepare the hierarchically porous 3D-printed carbon aerogel (CA) electrodes via combining direct ink writing, freezing drying, carbonization, and polypyrrole (PPy) posttreatment. The 3D-printed CA electrodes without PPy present a quasi-proportional increase in areal capacitance as thickness, achieving an extremely high areal capacitance of 6875 mF cm -2 under a thickness of 2.2 mm. Additionally, PPy posttreated 3D-printed CA (PPy@CA) electrode has improve...

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Section: Introductionmentioning

confidence: 99%

A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm^–2

Yang

Cui

Han

et al. 2021

Adv Materials Technologies

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“…Due to their high light absorbance and efficient photothermal conversion, [1][2][3][4] ultrablack materials are used for shading, [5,6] photothermal therapy, [7,8] photocatalysis, [9] detection, [10][11][12] solar steam generation, [13][14][15][16][17][18][19][20] and other fields. [21,22] Among these applications, solar steam generation, which is an economical technology that uses solar energy and the photothermal effect of ultrablack materials to promote evaporation of water and thereby solve the crises of drinking water shortage and water pollution, comes to the force in recent years.…”

Section: Introductionmentioning

confidence: 99%

Ultrablack Poly(vinyl alcohol)‐Graphite Composite Xerogel with Vertically Arranged Pores for Highly Efficient Solar Steam Generation and Desalination

Wang

et al. 2022

Adv Energy and Sustain Res

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Ultrablack materials have attracted wide attention due to their high light absorbance and efficient photothermal conversion used in the field of solar steam generation to alleviate the drinking water crisis. Herein, ultrablack and low‐cost poly(vinyl alcohol)‐graphite composite xerogels (PGCXs) that have vertically arranged pores and high thermal conductivities are fabricated. The PGCX‐50% shows high light absorbance (95.44%), good wettability, and a water evaporation rate of 1.24 kg m−2 h−1 under 1 sun illumination when coupled in a two dimensional (2D) evaporator. To further improve the solar steam generation performance, the PGCX‐50% is switched to a three dimensional (3D) evaporator by rotating it. Under 1 sun illumination, the 3D evaporator has a highest water evaporation rate of 3.80 kg m−2 h−1, which is 3.07 times that of the 2D evaporator, due to its larger evaporation area and higher surface area at subambient temperature. Finally, a heatsink‐like 3D evaporator is designed and a water evaporation rate of up to 9.54 kg m−2 h−1 is achieved when coupled with wind energy. The high water evaporation rates of the PGCX even in concentrated brines ensure its great potential for drinking water production and seawater desalination.

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“…Due to its high-precision, 3D printing technologies like direct ink writing (DIW), two-photon polymerization (TPP), or electrochemical fabrication (EFAB), are powerful techniques for fabricating complex 3D microstructures. [15] The possibilities of this disruptive techniques are practically unlimited, as it has been demonstrated in many research works in the fields of electronics with DIW of copper sulphate hybrid composites for supercapacitor electrodes [16] or with the develop of three-dimensional printed biocomposite scaffolds from microalgal biomass for dyes removal. [17] One of the most popular AM techniques is fused filament fabrication (FFF), which deposits thermoplastic filaments directly on a drop-down platform where a previously designed CAD model is manufactured layer by layer.…”

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Synthesis and characterization of enhanced conductivity acrylonitrile‐butadiene‐styrene based composites suitable for fused filament fabrication

et al. 2022

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This work reports on the design and preparation of composites based on a high impact acrylonitrile‐butadiene‐styrene polymer matrix filled either with aluminium microparticles or graphite nanoplatelets. A surfactant and tin were further added to improve the dispersion and adhesion of the fillers in an attempt to improve the conductivity of the materials. The composites were obtained via twin‐screw extrusion and their performance in fused filament fabrication was successfully tested and compared with other conventional ways of manufacturing plastic parts. Furthermore, the composites were characterized in terms of structure, composition, and thermal/electrical properties. Scanning electron and atomic force microscopies, as well as energy dispersive X‐ray spectrometry, allowed to confirm the presence of added particles and their dispersion within the polymer matrix. Differential scanning calorimetry and conductivity measurements completed the study and revealed enhanced conductivity in the composites as well as a huge decrease in electrical resistivity of the graphite nanoplatelets‐filled nanocomposites, thus resulting in semiconductor materials.

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High-Precision Three-Dimensional Printing in a Flexible, Low-Cost and Versatile Way: A Review

Cited by 19 publications

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A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm^–2

A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm^–2

Ultrablack Poly(vinyl alcohol)‐Graphite Composite Xerogel with Vertically Arranged Pores for Highly Efficient Solar Steam Generation and Desalination

Synthesis and characterization of enhanced conductivity acrylonitrile‐butadiene‐styrene based composites suitable for fused filament fabrication

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High-Precision Three-Dimensional Printing in a Flexible, Low-Cost and Versatile Way: A Review

Cited by 19 publications

References 0 publications

A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm–2

A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm–2

Ultrablack Poly(vinyl alcohol)‐Graphite Composite Xerogel with Vertically Arranged Pores for Highly Efficient Solar Steam Generation and Desalination

Synthesis and characterization of enhanced conductivity acrylonitrile‐butadiene‐styrene based composites suitable for fused filament fabrication

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A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm^–2

A Simple Strategy for Constructing Hierarchical Composite Electrodes of PPy‐Posttreated 3D‐Printed Carbon Aerogel with Ultrahigh Areal Capacitance over 8000 mF cm^–2