Advancements in Microwave Absorption Motivated by Interdisciplinary Research

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(4)

Published: Oct. 23, 2023

Abstract Microwave absorption materials (MAMs) are originally developed for military purposes, but have since evolved into versatile with promising applications in modern technologies, including household use. Despite significant progress bench‐side research over the past decade, MAMs remain limited their scope and yet to be widely adopted. This review explores history of from first‐generation coatings second‐generation functional absorbers, identifies bottlenecks hindering maturation. It also presents potential solutions such as exploring broader spatial scales, advanced characterization, introducing liquid media, utilizing novel toolbox (machine learning, ML), proximity lab end‐user. Additionally, it meticulously compelling medicine, mechanics, energy, optics, sensing, which go beyond efficiency, along current development status prospects. interdisciplinary direction differs previous primarily focused on meeting traditional requirements (i.e., thin, lightweight, wide, strong), can defined next generation smart absorbers. Ultimately, effective utilization ubiquitous electromagnetic (EM) waves, aided by third‐generation MAMs, should better aligned future expectations.

Language: Английский

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Advances in bismuth-telluride-based thermoelectric devices: Progress and challenges

eScience, Journal Year: 2023, Volume and Issue: 3(3), P. 100122 - 100122

Published: March 23, 2023

By effectively converting waste heat into electricity, thermoelectric materials and devices can provide an alternative approach to tackle the energy crisis. Amongst materials, bismuth telluride (Bi2Te3) its derivatives exhibit high figure of merit ZT values in near-room-temperature region show great potential for application devices. Considering rapid development Bi2Te3-based their last few years, a short systematic review is much needed. Here, we summarize novel designs, properties, applications different contexts, including wearable, portable, implantable, cross-disciplinary applications. The challenges outlook are also considered. This work will guide future that target broader more practical

Language: Английский

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Advances in flexible inorganic thermoelectrics

EcoEnergy, Journal Year: 2023, Volume and Issue: 1(2), P. 296 - 343

Published: Dec. 1, 2023

Abstract Solid‐state bismuth telluride‐based thermoelectric devices enable the generation of electricity from temperature differences and have been commercially applied in various fields. However, many scenarios, surface heat source is not flat. Therefore, it crucial to develop flexible materials efficiently utilize sources expand their applications. Compared with organic devices, inorganic much higher performance stability. Considering rapid development this research field, we carefully summarize design principles, structures, properties reported recent 3 years, including sulfides, selenides, tellurides, composite designed based on these inorganics. The structural designs micro‐sized bulk are also summarized. Additionally, overview mechanical stability methods for reducing internal resistance devices. In end, provide outlooks future directions This review will help guide researchers, beginners, students.

Language: Английский

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Conductive hydrogels for bioenergy harvesting and self-powered application

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 138, P. 101156 - 101156

Published: June 23, 2023

Language: Английский

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Unexpected Energy Applications of Ionic Liquids

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(23)

Published: Feb. 27, 2024

Ionic liquids and their various analogues are without doubt the scientific sensation of last few decades, paving way to a more sustainable society. Their versatile suite properties, originating from an almost inconceivably large number possible cation anion combinations, allows tuning structure serve desired purpose. hence offer myriad useful applications solvents catalysts, through lubricants, gas absorbers, azeotrope breakers. The purpose this review is explore unexpected these applications, particularly in energy space. It guides reader application ionic as i) phase change materials for thermal storage, ii) organic plastic crystals, which have been studied battery electrolytes separation, iii) key components nitrogen reduction reaction ammonia generation, iv) aluminum-ion batteries, v) other emerging technologies. concluded that there tremendous scope further optimizing liquid its task, subject sustainability imperatives line with current global priorities, assisted by artificial intelligence.

Language: Английский

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Advancing flexible thermoelectrics for integrated electronics

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(18), P. 9254 - 9305

Published: Jan. 1, 2024

With the increasing demand for energy and climate challenges caused by consumption of traditional fuels, there is an urgent need to accelerate adoption green sustainable conversion storage technologies. The integration flexible thermoelectrics with other various technologies plays a crucial role, enabling multiple forms such as temperature differentials, solar energy, mechanical force, humidity into electricity. development these lays foundation power solutions promotes research progress in conversion. Given complexity rapid this field, review provides detailed overview multifunctional integrated based on thermoelectric focus improving material performance, optimizing design device structures, achieving flexibility expand their application scenarios, particularly multi-functionalization wearable Additionally, we discuss current bottlenecks future directions facilitate continuous advancement field.

Language: Английский

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Highly-efficient sustainable ionic thermoelectric materials using lignin-derived hydrogels

Advanced Composites and Hybrid Materials, Journal Year: 2024, Volume and Issue: 7(2)

Published: March 1, 2024

Abstract The efficient and economical conversion of low-grade waste heat into electricity has promising potential to combat the greenhouse effect expedite shift towards sustainable development. This study presents an innovative appealing approach through utilization lignin, abundant product derived from paper pulp industry, develop hydrogels as compelling materials for application in ionic thermoelectricity. Various compositions were evaluated examine impacts varying lignin concentrations, types electrolytes, concentrations crosslinkers, electrolyte on thermoelectric performance hydrogels. optimized lignin-derived hydrogel, infiltrated with a 6 M KOH electrolyte, demonstrates high conductivity (226.5 mS/cm) superior Seebeck coefficient 13 mV/K. results remarkable power factor (3831 µW/m·K 2 ) that leads impressive Figure merit (ZT i (3.75), surpassing most existing state-of-the-art making it material reported until now. These findings underscore exceptional lignin-based realm energy harvesting applications. present contributes address challenges posed by effectively harnessing while reducing reliance fossil fuels minimizing gas emissions. Graphical

Language: Английский

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Ionic thermoelectric materials: Innovations and challenges

Materials Today Physics, Journal Year: 2024, Volume and Issue: 42, P. 101375 - 101375

Published: Feb. 23, 2024

Language: Английский

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High performance eutectogel-based thermocell with a wide operating temperature range through a water-containing deep eutectic solvent strategy

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159714 - 159714

Published: Jan. 1, 2025

Language: Английский

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Development of Ternary Hydrogel Electrolytes for Superior Gel Thermocells: Exceptional Anti‐Drying, Anti‐Freezing, and Mechanical Robustness

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Abstract Gel thermocells (GTCs) provide a safe, facile, and scalable solution for harvesting waste heat to power ubiquitous electronics. However, achieving harmonious integration of high density, wide‐temperature‐range stability, mechanical robustness in GTCs remains significant challenge. In this work, novel ternary gel thermocell (TGTC) is proposed fabricated by integrating ferro/ferricyanide (Fe(CN) 6 3−/4− ) redox couples, thermosensitive crystallizing agents guanidinium chloride (GdmCl), supporting electrolytes lithium (LiCl) into natural nanocellulose hydrogels enhance overall performance. GdmCl selectively induces Fe(CN) 4− crystallization, increasing the concentration difference pairs, resulting improving thermopower significantly increased fiber friction, while LiCl rapidly balances charges through electromigration promoting efficient ion transport reconstructing hydrogen bond networks, contributing an excellent output density capture water molecules, which are further elucidated simulations, synchronous enhancement anti‐drying, anti‐freezing properties. Consequently, TGTC achieves remarkable 3.42 mV K −1 , maximum 2.8 mW m −2 multiple continuous stable cycles at −20 °C, impressive strength 3.06 MPa. Notably, study elucidates design principles underlying mechanisms electrolytes, offering practical strategy advancing GTC technology.

Language: Английский

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