Polymer Composites for Thermoelectric Applications

McGrail, Brendan T.; Sehirlioglu, Alp; Pentzer, Emily

doi:10.1002/anie.201408431

Cited by 257 publications

(175 citation statements)

References 127 publications

(290 reference statements)

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“…In inorganic TE materials, multiple ways have been applied to enhance the ZT value. For example, a phonon scattering mechanism was introduced by processing of superlattices and by accessing thermodynamically stable phase separation to suppress the lattice thermal conductivity without the expense of electrical conductivity [5,6,7]. Additionally, mass fluctuation strategy, rattling strategy, and the panoscopic approach were also used to decouple the relationship between σ and κ [7,8,9,10,11,12].…”

Section: Introductionmentioning

confidence: 99%

Development of Perovskite-Type Materials for Thermoelectric Application

2018

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Oxide perovskite materials have a long history of being investigated for thermoelectric applications. Compared to the state-of-the-art tin and lead chalcogenides, these perovskite compounds have advantages of low toxicity, eco-friendliness, and high elemental abundance. However, because of low electrical conductivity and high thermal conductivity, the total thermoelectric performance of oxide perovskites is relatively poor. Variety of methods were used to enhance the TE properties of oxide perovskite materials, such as doping, inducing oxygen vacancy, embedding crystal imperfection, and so on. Recently, hybrid perovskite materials started to draw attention for thermoelectric application. Due to the low thermal conductivity and high Seebeck coefficient feature of hybrid perovskites materials, they can be promising thermoelectric materials and hold the potential for the application of wearable energy generators and cooling devices. This mini-review will build a bridge between oxide perovskites and burgeoning hybrid halide perovskites in the research of thermoelectric properties with an aim to further enhance the relevant performance of perovskite-type materials.

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Section: Introductionmentioning

confidence: 99%

Development of Perovskite-Type Materials for Thermoelectric Application

2018

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“…If the MCF rubber is doped with any chemicals, elements other than the haptic sensor could be devised [6]- [8], for example, Piezo-electric elements [9], Peltier elements [10], actuating material [11], human electronic skin [12], capacitors, solar batteries [13], organic EL elements [14], and so on, by utilizing ordinary plastic-type polymer solutions. As noted in part 1 of the present report, the same concept used in the electrolytic polymerization of conductive plastic-type solutions could be put to use in the electrolytic polymerization of rubber.…”

Section: Introductionmentioning

confidence: 99%

Detailed Mechanism and Engineering Applicability of Electrolytic Polymerization Aided by a Magnetic Field in Natural Rubber by Mechanical Approach for Sensing (Part 2): Other and Intrinsic Effects on MCF Rubber Property

Shimada¹,

Saga²

2016

WJM

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The same ordinary electrolytic polymerization of plastic-type polymer solution is applicable to natural rubber, with its C=C bonds, if a magnetic field and a filler are added. With the application of a magnetic field and the magnetic responsive fluid known as magnetic compound fluid (MCF), we have clarified the enhancement of the electrolytic polymerization of NR-latex and the growth of the thickness of vulcanized MCF rubber that results from the addition of a magnetic field. The present new method of MCF rubber vulcanization is effective for use in haptic sensors, which are used widely in various engineering applications. In the previous report, part 1 of this study, we investigated many experimental conditions under mechanical approach for sensing: magnetic field strength; applied voltage; electrodes gap; mass concentration, and the ingredients of the MCF. In the present sequential report, part 2, we investigate many other effects on electrolytic polymerization by the same mechanical approach for sensing as in part 1: the Mullins effect; the Piezo effect; vibration; kind of electrode; atmospheric gas. In particular, we clarify that the voltage generates spontaneously in the MCF rubber and that the MCF rubber becomes a Piezo element. These effects on the electrolytic polymerization as well as the effects of the experimental conditions will be useful in engineering applications. By taking the abovementioned parameters and effects into account, MCF rubber that is electrolytically polymerized with the aid of a magnetic field, the use of MCF as a filler, and doping, can be useful in haptic sensor applications. In particular, the effectiveness of the Piezo element can be shown.

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“…64 In term of materials used to form composites, some well-known examples are polyaniline (PANI), polythiophene (PTH) and poly (3, 4-ethylenedioxythiophene):poly (styrenesulfonate) (PE-DOT:PSS) as conductive polymers, and nanostructured Au, Ag, Bi, Te, PbTe, Sb 2 Te 3 , Bi 2 Te 3 and their alloys, as well as carbon nanotubes (CNT), as common inorganic TE materials. 55,59,65 Current research in polymer-based and composite-based TEGs is focusing on finding novel strategies to further enhance their figure of merit (ZT), such including low-dimensional TE materials, as mentioned in the previous section, or including additional treatment for encapsulation in order to mitigate the impact of humidity on the electrical conductivity. 59,66 In the coming subsections we will discuss some of the most practical and novel implementation of mechanically flexible and stretchable TEGs, as well as their challenges and the advantages and applications that these devices could enable.…”

Section: Mechanically Adaptable Thermoelectric Generators and Applicamentioning

confidence: 99%

Review—Micro and Nano-Engineering Enabled New Generation of Thermoelectric Generator Devices and Applications

Rojas

Singh

Inayat³

et al. 2017

ECS J. Solid State Sci. Technol.

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As we are advancing our world to smart living, a critical challenge is increasingly pressing -increased energy demand. While we need mega power supplies for running data centers and other emerging applications, we also need instant small-scale power supply for trillions of electronics that we are using and will use in the age of Internet of Things (IoT) and Internet of Everything (IoE). Such power supplies must meet some parallel demands: sufficient energy supply in reliable, safe and affordable manner. In that regard, thermoelectric generators emerge as important renewable energy source with great potential to take advantage of the widely-abundant and normally-wasted thermal energy. Thanks to the advancements of nano-engineered materials, thermoelectric generators' (TEG) performance and feasibility are gradually improving. However, still innovative engineering solutions are scarce to sufficiently take the TEG performance and functionalities beyond the status-quo. Opportunities exist to integrate them with emerging fields and technologies such as wearable electronics, bio-integrated systems, cybernetics and others. This review will mainly focus on unorthodox but effective engineering solutions to notch up the overall performance of TEGs and broadening their application base. First, nanotechnology's influence in TEGs' development will be introduced, followed by a discussion on how the introduction of mechanically reconfigurable devices can shape up the emerging spectrum of novel TEG technologies. The technology-driven age we are currently in, have brought great advantages to establish a more comfortable and smarter living and it is leading the way for an even faster-growing development in all areas of science and engineering, but at the same time it brings an incredibly fast growing demand for energy. Current and future energy consumption mandate the need for alternative energy sources, with reduced environmental impact. Readily available solar and wind energies have lead the way as alternative energy sources to environmentally challenging fossil fuels.1 Moreover, thanks to more recent developments in thermoelectric (TE) materials and devices, the possibility of making a better use of the widely abundant and normally wasted thermal energy, has becoming a popular and feasible alternative.2 More importantly, thermal waste has become a very important and environmentallyfriendly source of otherwise wasted energy.3,4 There has been already an important set of studies covering the mechanism involved during the conversion from thermal to electric energy. [5][6][7][8] Such studies have been the starting point to develop and optimize novel TE materials with the resourceful aid of uprising nanotechnologies. 9,10 In this review, we will first shortly introduce some important basic concepts and relations about thermoelectrics, as well as some of the current efforts to use nanotechnologies and nano-materials to improve performance and viability. Next, we will focus on identifying innovative devices, novel engineering approach...

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Polymer Composites for Thermoelectric Applications

Cited by 257 publications

References 127 publications

Development of Perovskite-Type Materials for Thermoelectric Application

Development of Perovskite-Type Materials for Thermoelectric Application

Detailed Mechanism and Engineering Applicability of Electrolytic Polymerization Aided by a Magnetic Field in Natural Rubber by Mechanical Approach for Sensing (Part 2): Other and Intrinsic Effects on MCF Rubber Property

Review—Micro and Nano-Engineering Enabled New Generation of Thermoelectric Generator Devices and Applications

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