Cellulosic gel-based triboelectric nanogenerators for energy harvesting and emerging applications

Qin, Ying; Zhang, Wanglin; Liu, Yanhua; Zhao, Jiamin; Yuan, Jinxia; Chi, Mingchao; Meng, Xiangjiang; Du, Guoli; Cai, Chenchen; Wang, Shuangfei; Nie, Shuangxi

doi:10.1016/j.nanoen.2022.108079

Cited by 50 publications

(25 citation statements)

References 175 publications

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“…Triboelectric nanogenerators (TENGs) were, to the best of our knowledge, first reported in 2012 by Wang et al [12,135] TENGs are devices assembled with a positive triboelectric material, negative triboelectric material, electrodes, and wires. When an external force is applied, the mechanical energy can be converted into electrical energy by the contact-separation process of the two triboelectric materials with different polarities.…”

Section: Triboelectric Nanogeneratorsmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8][9][10] It can be classified into subgroups according to the liquids trapped in the gels. [11,12] Generally, gels include hydrogels swollen with water, [13] organogels swollen with organic solvents, [14,15] ionogels swollen with an ionic liquid (IL), [16,17] and aerogels formed by removing the liquid from liquid phase gels. [18,19] By introducing conductive fillers (e. g., metals, carbon materials), [20][21][22] conductive polymers, [23][24][25][26] free ions, [27,28] and ionic liquids, [29][30][31][32][33] the gels could be endowed with conductivities.…”

Section: Introductionmentioning

confidence: 99%

“…Because of their flexibility, adjustable mechanical properties, and multi-functions, conductive gels are attractive materials for the fabrication of flexible electronics. Researchers have applied conductive gels to energy generators, [12] energy storage devices, [34][35][36] flexible sensors, [37,38] and actuators. [39] However, the use of toxic solvents, complicated processing, and the use of non-degradable materials have caused serious environmental problems.…”

Section: Introductionmentioning

confidence: 99%

“…This is one of the representative materials of nanoarchitectonics [1–10] . It can be classified into subgroups according to the liquids trapped in the gels [11,12] . Generally, gels include hydrogels swollen with water, [13] organogels swollen with organic solvents, [14,15] ionogels swollen with an ionic liquid (IL), [16,17] and aerogels formed by removing the liquid from liquid phase gels [18,19] .…”

Section: Introductionmentioning

confidence: 99%

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Cellulose‐based Conductive Gels and Their Applications

Jia

Michinobu

2023

ChemNanoMat

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Cellulose‐based conductive gels are representative nanomaterials and have a good flexibility, biodegradability, and biocompatibility due to the cellulose. Therefore, they are considered as important candidates for the development of next generation nanoarchitectonics materials for electronics and green energy. To date, conductive cellulose gels have been widely investigated for various applications, including sensors, energy storage devices, energy generators, and actuators. A number of studies has shown that cellulose‐based conductive gels have a superior performance compared to gels prepared using petroleum‐derived chemicals. Therefore, in this review, we will introduce the general preparation method of cellulose‐based conductive gels in order to present the latest research results and to provide information for future nanoscience and research studies. Also, the main applications of cellulose‐based conductive gels and the progress of their research will be described.

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Section: Triboelectric Nanogeneratorsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cellulose‐based Conductive Gels and Their Applications

Jia

Michinobu

2023

ChemNanoMat

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“…Flexible TENGs gradually meet the requirements of antibacterial activity, permeability, washability, waterproofness, adhesion, and comfort in wearable devices, and promote development of flexible TENGs in health monitoring. As a subset of TENG-based wearable electronics [ 81 , 82 ], such TENG-based textile electronics combine the wearing comfort of textiles and the functions of soft TENGs and are in great demand in wearable biophysical sensing applications, so this technology is discussed separately in this review [ 83 ].…”

Section: Current Progress In Teng-based Biophysical Sensors and Their...mentioning

confidence: 99%

Biophysical Sensors Based on Triboelectric Nanogenerators

Cao

Wang

2023

Biosensors

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Triboelectric nanogenerators (TENGs) can not only collect mechanical energy around or inside the human body and convert it into electricity but also help monitor our body and the world by providing interpretable electrical signals during energy conversion, thus emerging as an innovative medical solution for both daily health monitoring and clinical treatment and bringing great convenience. This review tries to introduce the latest technological progress of TENGs for applications in biophysical sensors, where a TENG functions as a either a sensor or a power source, and in some cases, as both parts of a self-powered sensor system. From this perspective, this review begins from the fundamental working principles and then concisely illustrates the recent progress of TENGs given structural design, surface modification, and materials selection toward output enhancement and medical application flexibility. After this, the medical applications of TENGs in respiratory status, cardiovascular disease, and human rehabilitation are covered in detail, in the form of either textile or implantable parts for pacemakers, nerve stimulators, and nerve prostheses. In addition, the application of TENGs in driving third-party medical treatment systems is introduced. Finally, shortcomings and challenges in TENG-based biophysical sensors are highlighted, aiming to provide deeper insight into TENG-based medical solutions for the development of TENG-based self-powered electronics with higher performance for practical applications.

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Advances in Green Triboelectric Nanogenerators

Du,

Chen,

Dong

et al. 2024

Adv Funct Materials

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Triboelectric nanogenerator (TENG), an emerging energy conversion technology, offers innovative pathways for energy harvesting and self‐powered sensing. To achieve superior performance, researchers commonly employ substantial quantities of original or treated polymers, resulting in high energy and precise sensing. Nevertheless, the sustainable development of TENGs faces significant challenges related to environmental compatibility, pollution hazards, and high production and disposal costs. To address this issue, numerous green materials for diverse TENGs are introduced and advanced. These materials may encompass natural resources, household waste, and recyclable materials, among others. Consequently, a review of the progress in TENGs based on green materials, which can be called green TENGs, becomes imperative to advance its sustainable development. To this end, this work comprehensively elucidates the development of green TENGs from the perspective of materials processing and treatment degree for the first time. Various green TENGs, including food waste, discarded daily‐use items, plant organs, biodegradable industrial products, and natural cellulose, are meticulously categorized. This review not only systematically synthesizes the latest research advancements in green TENGs, but also offers insight into their processing methodologies, working characteristics, and potential application scenarios. Finally, it envisions the challenges, proposed solutions, and future research directions for the development of green TENGs.

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Cellulosic gel-based triboelectric nanogenerators for energy harvesting and emerging applications

Cited by 50 publications

References 175 publications

Cellulose‐based Conductive Gels and Their Applications

Cellulose‐based Conductive Gels and Their Applications

Biophysical Sensors Based on Triboelectric Nanogenerators

Advances in Green Triboelectric Nanogenerators

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