3D printing of anisotropic polymer nanocomposites with aligned BaTiO<sub>3</sub> nanowires for enhanced energy density

Luo, Hang; Zhou, Xuefan; Ru, Guo; Yuan, Xiaoyan; Chen, Hehao; Abrahams, Isaac

doi:10.1039/d0ma00045k

Cited by 17 publications

(13 citation statements)

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“…It is widely accepted that incorporating high-k ceramics such as BaTiO3 (BT) nanostructures into polymer matrices is one of the most effective ways to enhance the dielectric constant while profiting the high breakdown strength of polymers [14][15][16][17][18][19].…”

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confidence: 99%

Chemically bonding BaTiO₃ nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Chen

Zhang

et al. 2020

J. Mater. Chem. C

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confidence: 99%

Chemically bonding BaTiO₃ nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Chen

Zhang

et al. 2020

J. Mater. Chem. C

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“…However, there are no peaks at 18.70°, 20.04°, and 26.50° for the PVDF α phase in the nanocomposite prepared by ball milling. There exists that single broad peak at 2θ value of 20.26° corresponding to the (200) and (110) planes of β phase. The experimental results suggest that the nanocomposite films prepared by ball milling only crystallized in the β phase.…”

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confidence: 99%

“…[ 89 ] Copyright 2017, Elsevier B.V. e) A nanocomposite capacitor for energy storage applications. [ 110 ] f) Breakdown strength of P(VDF‐CTFE) nanocomposites as a function of BaTiO 3 loading. [ 110 ] g) Discharge energy density of P(VDF‐CTFE) nanocomposites filled with aligned BT nanowires.…”

Section: Additive Manufacturing Process For Piezoelectric Devicesmentioning

confidence: 99%

“…[ 110 ] f) Breakdown strength of P(VDF‐CTFE) nanocomposites as a function of BaTiO 3 loading. [ 110 ] g) Discharge energy density of P(VDF‐CTFE) nanocomposites filled with aligned BT nanowires. Reproduced with permission.…”

Section: Additive Manufacturing Process For Piezoelectric Devicesmentioning

confidence: 99%

Section: Additive Manufacturing Process For Piezoelectric Devicesmentioning

confidence: 99%

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Additive Manufacturing of Piezoelectric Materials

Cheng

Wang

et al. 2020

Adv Funct Materials

229

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The development of energy harvesting devices can not only effectively extend the service life of electronic equipment, but also bring convenience to equipment with power supplies that cannot be changed easily. Although the existing green energy sources can provide power to electronic devices efficiently, it is difficult to apply them to micro and small electronic devices with power on the order of mW or µW because of their demanding use conditions and large power generation. For these reasons, the energy generated by mechanical vibration and human movement has become a popular energy choice for microelectronic devices. [7-10] At present, there are several ways to convert the mechanical energy generated by vibration or moving objects into the electrical energy required by electronic equipment, including electromagnetic, [11,12] electrostatic, [13,14] and piezoelectric effect. [15,16] Compared with electromagnetic and electrostatic techniques, piezoelectric materials stand out because of their high energy conversion efficiency and strong piezoelectric sensitivity. [17,18] They can directly convert the applied mechanical stress into available electrical energy and are easy to integrate into the system, thus attracting extensive attention. These materials have been applied in many fields such as piezoelectric sensors, [19,20] actuators, [21,22] ultrasonic transducers, [23,24] and energy harvesters. [25,26] From this, we can see that piezoelectric materials show great development potential for emerging functional materials and have become the focus of future research regarding renewable clean energy and advanced energy storage materials. [27] The traditional piezoelectric device is fabricated by subtractive manufacturing. This process is not only complicated, long production cycle, low utilization rate of materials, high manufacturing cost, but it also mainly employs cutting technology such as scribing, broaching, sawing, or etching for piezoelectric devices with complex geometric shapes, which greatly limits operating conditions, density and work surroundings of piezoelectric devices. In addition, the mechanical stress generated by the traditional process will cause grain loss, strength degradation,

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3D‐Printed Functional Polymers and Nanocomposites: Defects Characterization and Product Quality Improvement

et al. 2022

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There have been continuing efforts toward improving printability and minimizing defects in 3D‐printed functional polymers and polymer nanocomposites (PNCs). While printability is essentially material related, and formation of defects is largely influenced by operational parameters, there is an interconnection between the factors influencing both. It is important to have a comprehensive insight on how these aspects interrelate to increase the prospect of improving part performance and widening the current range of applications of 3D‐printed polymer‐based functional materials. Therefore, this work first reviews various polymer 3D printing techniques and recent advances in 3D‐printed functional polymers and PNCs before discussing characterization and control of common defects in printed parts. Techniques for improving printability of polymer‐based functional materials are then discussed. Some opportunities for further developments in this area are highlighted in respect of polymer blending, immiscible blend nanocomposites, and a specific product development prospect.

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3D printing of anisotropic polymer nanocomposites with aligned BaTiO₃ nanowires for enhanced energy density

Abstract: High-performance flexible poly(vinylidene fluoride–chlorotrifluoroethylene) (P(VDF–CTFE)) nanocomposites with aligned BaTiO3 nanowires using 3D printing technology were demonstrated.

Cited by 17 publications

References 51 publications

Chemically bonding BaTiO₃ nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Chemically bonding BaTiO₃ nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Additive Manufacturing of Piezoelectric Materials

3D‐Printed Functional Polymers and Nanocomposites: Defects Characterization and Product Quality Improvement

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3D printing of anisotropic polymer nanocomposites with aligned BaTiO3 nanowires for enhanced energy density

Abstract: High-performance flexible poly(vinylidene fluoride–chlorotrifluoroethylene) (P(VDF–CTFE)) nanocomposites with aligned BaTiO3 nanowires using 3D printing technology were demonstrated.

Cited by 17 publications

References 51 publications

Chemically bonding BaTiO3 nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Chemically bonding BaTiO3 nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Additive Manufacturing of Piezoelectric Materials

3D‐Printed Functional Polymers and Nanocomposites: Defects Characterization and Product Quality Improvement

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Product

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3D printing of anisotropic polymer nanocomposites with aligned BaTiO₃ nanowires for enhanced energy density

Chemically bonding BaTiO₃ nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties

Chemically bonding BaTiO₃ nanoparticles in highly filled polymer nanocomposites for greatly enhanced dielectric properties