Fire-retardant, self-extinguishing triboelectric nanogenerators

Ahmed, Abdelsalam; El‐Kady, Maher F.; Hassan, Islam; Negm, Ayman; Pourrahimi, Amir Masoud; Muni, Mit; Selvaganapathy, P. Ravi; Kaner, Richard B.

doi:10.1016/j.nanoen.2019.02.026

Cited by 66 publications

(37 citation statements)

References 38 publications

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“…The employment of TENGs for self‐powered sensing applications seems to have had a high impact in promoting smart cities and IoT network. As such, TENGs have received significant attention because they can provide multifunctional power generation from multiple sustainable sources, with blue energy at the forefront of current TENG research . It is worth noting that the hydrodynamic energy from waves, tidal as well as wind currents has played a significant role in blue energy harvesting.…”

Section: Introductionmentioning

confidence: 99%

Integrated Triboelectric Nanogenerators in the Era of the Internet of Things

et al. 2019

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Since their debut in 2012, triboelectric nanogenerators (TENGs) have attained high performance in terms of both energy density and instantaneous conversion, reaching up to 500 W m −2 and 85%, respectively, synchronous with multiple energy sources and hybridized designs. Here, a comprehensive review of the design guidelines of TENGs, their performance, and their designs in the context of Internet of Things (IoT) applications is presented. The development stages of TENGs in large-scale self-powered systems and technological applications enabled by harvesting energy from water waves or wind energy sources are also reviewed. This self-powered capability is essential considering that IoT applications should be capable of operation anywhere and anytime, supported by a network of energy harvesting systems in arbitrary environments. In addition, this review paper investigates the development of self-charging power units (SCPUs), which can be realized by pairing TENGs with energy storage devices, such as batteries and capacitors. Consequently, different designs of power management circuits, supercapacitors, and batteries that can be integrated with TENG devices are also reviewed. Finally, the significant factors that need to be addressed when designing and optimizing TENG-based systems for energy harvesting and self-powered sensing applications are discussed. Integrated Self-Powered Systems

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Section: Introductionmentioning

confidence: 99%

Integrated Triboelectric Nanogenerators in the Era of the Internet of Things

et al. 2019

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“…Double backbone polyimide aerogels with high service temperature, high thermal insulation, and improved mechanical properties can be used as light in weight thermal insulation layer of firefighting gears as well as in other applications such as triboelectric nanogenerator (TENG) for self-powered and wearable sensor applications in extreme temperature environments. [22,23]…”

Section: Introductionmentioning

confidence: 99%

Double Dianhydride Backbone Polyimide Aerogels with Enhanced Thermal Insulation for High‐Temperature Applications

Mosanenzadeh

Alshrah

Saadatnia

et al. 2020

Macro Materials & Eng

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Aerogels owe their high thermal insulation and other unique properties to their nanostructure configuration. However, controlling the aerogels' morphology is always a scientific challenge. In this study, double dianhydride backbone (double backbone) polyimide aerogels with tailored nanostructure assembly are created for the first time. This is achieved by controlled polymerization reaction of oligomers with distinct dianhydride monomers. Combining the two oligomers through a controlled polymerization reaction is a successful strategy for tailoring the aerogels nanostructure assembly as well as other properties. The fabricated double backbone aerogel presents 40% reduced thermal conductivity of 19.7 mW mK−1 over previously studied polyimide aerogels along with the compression modulus of 1.64 MPa at a relatively low density of 0.068 g cm−3. Such low thermal conductivity is comparable with the inorganic counterparts. Light in weight and high thermally insulated polyimide aerogels with suitable mechanical properties and high service temperature are an appropriate replacement for current fireproof insulation materials.

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“…TENGs integrated under the soles of shoes have other surprising effects. For instance, Ahmed et al developed a fire-retardant TENG (FRTENG), which could endure extremely high temperatures [ 174 ]. The FRTENG consists solely of a copper wire and carbon aerogel nanocomposite (CaNC) working in the single-electrode mode.…”

Section: Smart Shoes For Biomechanical Energy Harvestingmentioning

confidence: 99%

“…(e) Temporal changes of the vector sum during the various movements of the firefighter. Reproduced with permission from [ 174 ]. Copyright Elsevier, 2019.…”

Section: Figurementioning

confidence: 99%

Triboelectric Nanogenerator Enabled Smart Shoes for Wearable Electricity Generation

Zou

Libanori

et al. 2020

Research

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The parallel evolution of wearable electronics, artificial intelligence, and fifth-generation wireless technology has created a technological paradigm with the potential to change our lives profoundly. Despite this, addressing limitations linked to continuous, sustainable, and pervasive powering of wearable electronics remains a bottleneck to overcome in order to maximize the exponential benefit that these technologies can bring once synergized. A recent groundbreaking discovery has demonstrated that by using the coupling effect of contact electrification and electrostatic induction, triboelectric nanogenerators (TENGs) can efficiently convert irregular and low-frequency passive biomechanical energy from body movements into electrical energy, providing an infinite and sustainable power source for wearable electronics. A number of human motions have been exploited to properly and efficiently harness this energy potential, including human ambulation. Shoes are an indispensable component of daily wearing and can be leveraged as an excellent platform to exploit such kinetic energy. In this article, the latest representative achievements of TENG-based smart electricity-generating shoes are comprehensively reviewed. We summarize ways in which not only can biomechanical energy be scavenged via ambulatory motion, but also biomonitoring of health parameters via tracking of rhythm and strength of pace can be implemented to aid in theranostic fields. This work provides a systematical review of the rational structural design, practical applications, scenario analysis, and performance evaluation of TENG-based smart shoes for wearable electricity generation. In addition, the perspective for future development of smart electricity-generation shoes as a sustainable and pervasive energy solution towards the upcoming era of the Internet of Things is discussed.

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Fire-retardant, self-extinguishing triboelectric nanogenerators

Cited by 66 publications

References 38 publications

Integrated Triboelectric Nanogenerators in the Era of the Internet of Things

Integrated Triboelectric Nanogenerators in the Era of the Internet of Things

Double Dianhydride Backbone Polyimide Aerogels with Enhanced Thermal Insulation for High‐Temperature Applications

Triboelectric Nanogenerator Enabled Smart Shoes for Wearable Electricity Generation

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