An eco-friendly triboelectric hybrid nanogenerators based on graphene oxide incorporated polycaprolactone fibers and cellulose paper

Parandeh, Samira; Kharaziha, Mahshid; Karimzadeh, F.

doi:10.1016/j.nanoen.2019.02.058

Cited by 153 publications

(92 citation statements)

References 57 publications

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“…2 Thus, from the material point of view, the electron affinity, surface function groups, as well as work function are important factors affecting the output performance of TENG. A vast number of advanced materials have been explored, including graphene, [106][107][108][109] MXenes, 110,111 hydrogels, 112-115 aerogels, [116][117][118] black phosphorus (BP), 119 etc.…”

Section: Methodsmentioning

confidence: 99%

Recent progress on flexible nanogenerators toward self‐powered systems

Liu

Wang

Zhao

et al. 2020

InfoMat

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The advances in wearable/flexible electronics have triggered tremendous demands for flexible power sources, where flexible nanogenerators, capable of converting mechanical energy into electricity, demonstrate its great potential. Here, recent progress on flexible nanogenerators for mechanical energy harvesting toward self‐powered systems, including flexible piezoelectric and triboelectric nanogenerator, is reviewed. The emphasis is mainly on the basic working principle, the newly developed materials and structural design as well as associated typical applications for energy harvesting, sensing, and self‐powered systems. In addition, the progress of flexible hybrid nanogenerator in terms of its applications is also highlighted. Finally, the challenges and future perspectives toward flexible self‐powered systems are reviewed.

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Section: Methodsmentioning

confidence: 99%

Recent progress on flexible nanogenerators toward self‐powered systems

Liu

Wang

Zhao

et al. 2020

InfoMat

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“…Alternatively, their tribo‐electroactivity can be improved and tuned by optimizing the roughness of the paper surface. [ 101,102 ] Paper‐based TENGs can be employed not only as energy harvesters and in self‐powered electronic devices but also for pressure sensing on flexible materials (including smart active packaging) and for monitoring the mechanical stability of rigid materials. For example, by utilizing polyaniline functionalized paper as a charge translocation layer for TENG, a prototype smart card was developed for self‐powered sensing of motions such as human touch ( Figure ).…”

Section: Triboelectricity and Applicationsmentioning

confidence: 99%

An Overview of Cellulose‐Based Nanogenerators

Annamalai

Kumar

Dubal

et al. 2021

Adv Materials Technologies

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Developing nanogenerators (NGs) is achieved by exploiting the piezoelectric, triboelectric, and pyroelectric effects of both organic and inorganic materials. Many exhibit beneficial electrical properties (dielectric, conductive, or insulating) or have surfaces that are polarizable upon friction or physical contact. Recently, biomass‐derived materials and recycled materials, whose electrical activity can be induced, are explored for application in the design of more sustainable, cost‐effective, biodegradable, disposable NGs, and have demonstrated a wide range of output (microenergy) power densities. Among them, cellulose, the most abundant biopolymer, is found to offer excellent opportunities for designing and manufacturing NGs with multifunctional capacities. Cellulose can be derived into varied forms with multifunctionalities and physical morphologies. This account provides an overview of how cellulose is utilized in creating NGs based on piezoelectric, triboelectric, and pyroelectric effects. Because the mechanical properties of cellulose are tunable, current research trends on NGs originate with the triboelectric effect. The discussion here focuses on design, fabrication methods, achievable electrical power output, and combinations with other materials and devices. Challenges in efficient fabrication and consistent power densities, and opportunities for integrating different technologies and developing more sustainable (in terms of economic, environmental, and ecological) nature–human–machine interfacial devices are also discussed.

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“…[22] Among these generators, the TENG can be fabricated by using a wide variety of materials, and it carries several advantages such as low cost, easy fabrication, high output voltage, high conversion efficiency, and a broad application area. [23][24][25][26][27][28][29][30] However, there are some challenges to use TENG effectively as a power supplier for electronic devices. The TENG cannot operate in the absence of physical movements due to its discrete peak-type of electrical output [31] and a low output current from the high internal resistance.…”

Section: Boosting a Power Performance Of A Hybrid Nanogenerator Via Fmentioning

confidence: 99%

Boosting a Power Performance of a Hybrid Nanogenerator via Frictional Heat Combining a Triboelectricity and Thermoelectricity toward Advanced Smart Sensors

Kim

Byun

et al. 2020

Adv Materials Technologies

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The demand for a well‐equipped healthcare system is increasing due to the requirement of instant treatment in emergency situations. Particularly, patients are advised to employ fall‐detection sensors and touch‐activated emergency alarms to reduce the mortality rate arising from unexpected falls and emergency conditions. Herein, smart sensors are successfully developed by scavenging the human motions and heat energy with the combination of a triboelectric nanogenerator (TENG) and a thermoelectric generator (TEG). The frictional heat energy produced from the contact and separation of TENG can be utilized as an input source for TEG. Thus, the hybrid tribo‐thermoelectric nanogenerator (HTTNG) generates two electrical outputs with a single primary input. As evidence of this, the flexible HTTNG delivers high output due to the synergistic effect of two generators, that is, through the high output voltage and current in TENG and TEG, respectively. The feasibility of HTTNG as a touch‐activated emergency alarm and a human fall‐detection sensor is successfully demonstrated. Furthermore, the HTTNG can be a promising self‐powered sensing device without any additional power source as well as a power supplier in the Internet of Things era. This hybrid nanogenerator can pave the way for efficient utilization in healthcare systems.

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An eco-friendly triboelectric hybrid nanogenerators based on graphene oxide incorporated polycaprolactone fibers and cellulose paper

Cited by 153 publications

References 57 publications

Recent progress on flexible nanogenerators toward self‐powered systems

Recent progress on flexible nanogenerators toward self‐powered systems

An Overview of Cellulose‐Based Nanogenerators

Boosting a Power Performance of a Hybrid Nanogenerator via Frictional Heat Combining a Triboelectricity and Thermoelectricity toward Advanced Smart Sensors

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