Textile Triboelectric Nanogenerators with Diverse 3D-Spacer Fabrics for Improved Output Voltage

Kwon, Dae-Hyeon; Kwon, Jin-Hyuk; Jeong, Jong Hwa; Lee, Young-Ju; Biswas, Swarup; Lee, Dong‐Wook; Lee, Sohee; Bae, Jin‐Hyuk; Kim, Hyeok

doi:10.3390/electronics10080937

Cited by 10 publications

(7 citation statements)

References 20 publications

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“…The higher surface roughness of nylon and PP ridge tribo structures yielded a notable increase in contact area when used in pair in the TENG performance measurement. The surface roughness of the tribo structures indicates the static and kinetic frictions between the contacting triboelectric layers, while the higher surface roughness also contributed enhanced surface contact area, consequently resulting in a higher voltage output. , …”

Section: Resultsmentioning

confidence: 99%

“…The surface roughness of the tribo structures indicates the static and kinetic frictions between the contacting triboelectric layers, while the higher surface roughness also contributed enhanced surface contact area, consequently resulting in a higher voltage output. 57,58 Figure 5a illustrates the static and kinetic friction data for the designed tribo structure pairs determined using the tribotester. The ridge structure showed static and kinetic coefficients of friction (μ) of 0.59 and 0.50, respectively, which are the highest among all of the tribo structures due to its higher surface roughness.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

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Highly Comfortable and Durable Single-Layer Knitted Textile-Based Triboelectric Nanogenerator for Smart Wearable Applications

Somkuwar,

Maurya,

Kumar

2023

ACS Appl. Polym. Mater.

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Amidst the global quest for sustainable energy solutions, there have been endeavors to revolutionize energy-harvesting methods, opening pathways to innovative approaches that tap into the inherent potential of natural sources. The integrated textilebased triboelectric nanogenerator (T-TENG) offers a viable solution to harness human mechanical energy through the clothing. T-TENG has shown several advantages, including flexibility, lightweight, and conformability, for wearable applications. Herein, knitting engineering is utilized for the precise positioning of triboelectric (nylon and polypropylene (PP)) and electrode materials (copper-blended yarn) within the fabric structure for the fabrication of T-TENG. A combination of rib, single jersey, and derivatives of rib knitting techniques was employed to create different tribo structures, namely, 1R1C, pocket, plating, and ridge. The ridge and plated structures showed the highest performance with a peak power density of 110 and 45 μW/m 2 , respectively. Both structures demonstrated excellent air and water vapor permeability and a stable output up to 12,000 cycles of contact separation with excellent long-term durability. The study strongly affirms that the use of commodity textile materials and modifying the structural features of the knitted fabric have significant potential to produce renewable power sources for wearable electronic gadgets.

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Section: Resultsmentioning

confidence: 99%

Section: ■ Results and Discussionmentioning

confidence: 99%

Highly Comfortable and Durable Single-Layer Knitted Textile-Based Triboelectric Nanogenerator for Smart Wearable Applications

Somkuwar,

Maurya,

Kumar

2023

ACS Appl. Polym. Mater.

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“…With the inherent features of large separation distance and high compression resilience, 3D spacer fabric is widely adopted to design textile TENGs. [ 140,141 ] For example, a 3D spacer fabric TENG (3DS‐TENG) with weft knitting technology has been developed, which consists of two outer fabric layers and a spacer layer. [ 142 ] As illustrated in Figure 9d‐i, polyester monofilament is used to knit the spacer layer due to its high stiffness, and nylon multifilament is used to knit two outer fabric layers.…”

Section: D Fabric Tengsmentioning

confidence: 99%

Advances in High‐Performance Autonomous Energy and Self‐Powered Sensing Textiles with Novel 3D Fabric Structures

et al. 2022

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of textile materials from ancient times to the present, and then to the future is shown in Figure 1, indicating that typical textile materials that can highlight the characteristics of the times have experienced the transformation from natural fiber, artificial/synthetic fiber, reinforced fiber, functional fiber, conductive fiber, and then to smart fiber. Accordingly, the primary purposes or service demands of textile materials have also changed imperceptibly from the aspects of covering, warmth preservation, protection, beauty, security, comfort, health, interaction, and intelligence. On these grounds, it can be found that with the advances of Internetof-Things and artificial intelligences, textile materials are no longer limited to the traditional functions of protection, warm-keeping, and aesthetic, but should be given more smart or intelligent attributes, such as energy harvesting, [1][2][3] energy storage, [4,5] autonomous response, [6,7] information interaction, [8,9] data transmission, [10,11] light emitting, [12,13] color changing, [14] shape memory, [15] thermal regulation, [16,17] selfhealing, [18a] self-adaption, [19] etc. In addition, considering that human oriented wearable electronics will be highly integrated and miniaturized, completely safe and comfortable, and fully portable in the future, it is also expected to design various functional electronics directly into textile structures, such as fibers, yarns or fabrics. [20,21] At present, a variety of functional attributes have been well integrated with textile materials, mainly including energy, [3,4,12,22] sensing, [8,10,23,24] comfort, [16,25a,26,27] and protection, [19,[28][29][30] which endows this kind of traditional necessity of life with new development vitality (Figure 2). In particular, through the seamless combination of electrical functionalities and textile elements, a new type of textiles, namely smart textiles, have been developed, which can perceive, react and adapt to environmental stimuli, including machinery, magnetism, heat, electricity, light, chemistry, biology, and others. [31][32][33][34][35] It can be predicted that the realization of highperformance electrical function and comfortable to wear is the unremitting pursuit goal of the next generation of smart textiles.It is noteworthy that the effective operation of most additional functions in smart textiles depends on sustained and stable energy sources. In other words, we need reliable, compact but high-performance electricity supply systems to power emergingThe seamless integration of emerging triboelectric nanogenerator (TENG) technology with traditional wearable textile materials has given birth to the next-generation smart textiles, i.e., textile TENGs, which will play a vital role in the era of Internet of Things and artificial intelligences. However, low output power and inferior sensing ability have largely limited the development of textile TENGs. Among various approaches to improve the output and sensing performance, such as material modification, structural des...

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“…The integration of F-TENGs into fabric is an effective method to increase the electric harvesting ability, but the produced 2D T-TENGs are commonly not powerful enough to actuate most wearable electronics due to their limited contact area and poor surface triboelectricity. 69,146,147 To date, various technologies have been applied to further improve the power out of T-TENGs, such as the construction of nanostructures on the friction surface and stacking multiple fabrics into a multilayer structure. 75,77,106 In addition, T-TENGs with 3D structures have been developed, in which the fibers are arranged into a multilayered structure and bind by winding yarns between different layers.…”

Section: Integration Of F-tengs Into T-tengsmentioning

confidence: 99%

Fibrous triboelectric nanogenerators: fabrication, integration, and application

Cui

Wang

2022

J. Mater. Chem. A

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Textile Triboelectric Nanogenerators with Diverse 3D-Spacer Fabrics for Improved Output Voltage

Cited by 10 publications

References 20 publications

Highly Comfortable and Durable Single-Layer Knitted Textile-Based Triboelectric Nanogenerator for Smart Wearable Applications

Highly Comfortable and Durable Single-Layer Knitted Textile-Based Triboelectric Nanogenerator for Smart Wearable Applications

Advances in High‐Performance Autonomous Energy and Self‐Powered Sensing Textiles with Novel 3D Fabric Structures

Fibrous triboelectric nanogenerators: fabrication, integration, and application

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