Nanofibrous membrane constructed wearable triboelectric nanogenerator for high performance biomechanical energy harvesting

Li, Zhaoling; Shen, Jiali; Abdalla, Ibrahim; Yu, Jianyong; Ding, Bin

doi:10.1016/j.nanoen.2017.04.035

Cited by 165 publications

(98 citation statements)

References 44 publications

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“…[26] Compared with PVDF NFs, various materials with different triboelectric series such as aluminum (Al), copper (Cu), paper, poly(methyl methacrylate) (PMMA), polyethylene terephthalate (PET), kapton, and polytetrafluoroethylene (PTFE) were used to Besides, the power output performance of the electronic skin was systematically investigated through loading different external resistors. [27] We further investigated the durability of the electronic skin and thus the long-term operation performance of the electronic skin was evaluated. At an external load resistance of 50 MΩ, the maximum load peak power achieved 85.4 mW m −2 .…”

Section: Electrical Output and Sensing Capability Of Electronic Skinmentioning

confidence: 99%

“…[27,37] In the process of separation, the negative charges on the PVDF NFs are not effectively compensated, and then the positive charges are induced on the carbon NFs electrode. [27,37] In the process of separation, the negative charges on the PVDF NFs are not effectively compensated, and then the positive charges are induced on the carbon NFs electrode.…”

Section: Working Mechanismmentioning

confidence: 99%

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All‐Fiber Structured Electronic Skin with High Elasticity and Breathability

Zhu

Shen

et al. 2019

Adv Funct Materials

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181

161

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With the rapid advancement in artificial intelligence, wearable electronic skins have attracted substantial attention. However, the fabrication of such devices with high elasticity and breathability is still a challenge and highly desired. Here, a route to develop an all-fiber structured electronic skin with a scalable electrospinning fabrication technique is reported. The fabricated electronic skin is demonstrated to exhibit high pressure sensing with a sensitivity of 0.18 V kPa −1 in the detection range of 0-175 kPa. This wearable device could maintain prominent sensing performance and mechanical stability in the presence of large deformation, even when the elastic deformation is up to 50%. The electronic skin is easily conformable on different desired objects for real-time spatial mapping and long-term tactile sensing. Besides, it possesses high gas permeability with a water vapor transmittance rate of 10.26 kg m −2 d −1 . More importantly, the electronic skin is capable of working in a self-powered manner and even serves as a reliable power source to effectively drive small electronics. Possessing several compelling features, such as high sensitivity, high elasticity, high breathability as well as being self-powered and scalable in fabrication, the presented device paves a pathway for smart electronic skins.

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Section: Electrical Output and Sensing Capability Of Electronic Skinmentioning

confidence: 99%

Section: Working Mechanismmentioning

confidence: 99%

All‐Fiber Structured Electronic Skin with High Elasticity and Breathability

Zhu

Shen

et al. 2019

Adv Funct Materials

Self Cite

181

161

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“…Electrospinning provides portable, and wearable self-powered nano/microsystems that require the piezoelectric materials to be flexible and lightweight. Li et al [181] have demonstrated that the electrospun nanofibrous membranes are tailored to enhance the polarity, mechanical strength as well as surface hydrophobicity of bio electric nanogenerators, which will eventually improve the device performance, power, and capability of operation even with high environmental humidity. Wu et al [175] synthesized a textile with parallel NWs of lead zirconate titanate (PZT) by electrospinning method for using it into flexible and wearable nanogenerators.…”

Section: Applications Of Ceramic Electrospun Matsmentioning

confidence: 99%

Electrospun Ceramic Nanofiber Mats Today: Synthesis, Properties, and Applications

2017

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Ceramic nanofibers (NFs) have recently been developed for advanced applications due to their unique properties. In this article, we review developments in electrospun ceramic NFs with regard to their fabrication process, properties, and applications. We find that surface activity of electrospun ceramic NFs is improved by post pyrolysis, hydrothermal, and carbothermal processes. Also, when combined with another surface modification methods, electrospun ceramic NFs result in the advancement of properties and widening of the application domains. With the decrease in diameter and length of a fiber, many properties of fibrous materials are modified; characteristics of such ceramic NFs are different from their wide and long (bulk) counterparts. In this article, electrospun ceramic NFs are reviewed with an emphasis on their applications as catalysts, membranes, sensors, biomaterials, fuel cells, batteries, supercapacitors, energy harvesting systems, electric and magnetic parts, conductive wires, and wearable electronic textiles. Furthermore, properties of ceramic nanofibers, which enable the above applications, and techniques to characterize them are briefly outlined.

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“…While ensuring the stable output, the wearable TENG also requires excellent flexibility, portability, and breathability to improve human comfort during long-term use. [26][27][28][29][30][31] As an ideal triboelectric material, the nanofiber is attracting extensive attention due to its high specific surface area and excellent flexibility. [21][22][23][24][25] There are still challenges in developing a wearable TENG that combines flexibility and breathability.…”

mentioning

confidence: 99%

“…[26][27][28][29][30][31] As an ideal triboelectric material, the nanofiber is attracting extensive attention due to its high specific surface area and excellent flexibility. [26][27][28][29][30][31] As an ideal triboelectric material, the nanofiber is attracting extensive attention due to its high specific surface area and excellent flexibility.…”

mentioning

confidence: 99%

Flexible Janus Electrospun Nanofiber Films for Wearable Triboelectric Nanogenerator

Qin

Chen

Yin

et al. 2019

Adv Materials Technologies

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to drive many small electronic devices or serve as self-powered sensors. [11][12][13][14] Its rapid development is reshaping our inherent understanding of energy harvesting technologies.As an emerging power in the field of selfpowered technology, the wearable TENGs are showing vigorous development vitality and giant application potential due to its simple configuration, light weight, low cost, output stability, and eco-friendly feature. [15,16] However, wearable devices will generally direct contact on the skin surface of the human body. While ensuring the stable output, the wearable TENG also requires excellent flexibility, portability, and breathability to improve human comfort during long-term use. [17][18][19][20] The traditional wearable TENGs are mostly assembled from the dense films that involve complex physical and chemical processes, which results in a high manufacturing cost and is hard to balance the physiological needs of human comfort. [21][22][23][24][25] There are still challenges in developing a wearable TENG that combines flexibility and breathability.The electrospun technique is one of the feasible preparation routes for TENG that assembled from the nanofiber films. [26][27][28][29][30][31] As an ideal triboelectric material, the nanofiber is attracting extensive attention due to its high specific surface area and excellent flexibility. Moreover, the porous structure gives it good breathability and ultra-lightweight. [32][33][34][35][36] And the nanofiber can be electrospun from various polymer materials, while the modification method and structural design are simple and diverse. [37,38] In addition, the Janus films could be fabricated via the electrospun method, which will combinate the advantages of Janus structure and electrospun nanofiber. The Janus films will provide asymmetric properties on each side with its own integrity (such as morphology, conductivity, and hydrophilicity). [39] Therefore, the dual-functional nanofiber films exhibit various potential applications, especially in the field of wearable electronics. [40][41][42][43] It is interesting and meaningful to fabricate a flexible and breathable TENG by the Janus films, the nanofiberbased TENG can be used as a wearable health-monitoring system or a self-powered supply source to directly attach at the skin surface and provide long-term comfort.Here, we first developed an all-nanofiber-based wearable TENG which is completely constructed from the Janus nanofiber films for energy harvesting and self-powered sensing.The traditional wearable nanogenerators are mostly assembled from the dense films that involve complex physical and chemical processes, which results in a high manufacturing cost and is hard to balance the physiological needs of human comfort. Herein, a wearable triboelectric nanogenerator (TENG) is developed that is completely constructed from the Janus electrospun nanofiber films. This all-nanofiber-based TENG not only has ultra-lightweight and high flexibility but also exhibits excellent breathability due to its porous st...

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Nanofibrous membrane constructed wearable triboelectric nanogenerator for high performance biomechanical energy harvesting

Cited by 165 publications

References 44 publications

All‐Fiber Structured Electronic Skin with High Elasticity and Breathability

All‐Fiber Structured Electronic Skin with High Elasticity and Breathability

Electrospun Ceramic Nanofiber Mats Today: Synthesis, Properties, and Applications

Flexible Janus Electrospun Nanofiber Films for Wearable Triboelectric Nanogenerator

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