Lattice Boundary Enhancement on Thermoelectric Behaviors of Heavily Boron‐Doped Silicon for Energy Harvesting: Electrical versus Thermal Conductivity DOI Creative Commons

Shang Yu Tsai,

Po‐Hsien Tseng,

Chun Chi Chen

et al.

Advanced Materials Interfaces, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 3, 2024

Abstract Green energy collection is crucial for achieving future net‐zero carbon emissions, with harvesting being a key solution. Silicon, widely used p‐type semiconductor doped boron ions, prevalent in modern electronics. However, the impact of lattice boundaries from ion implantation doping on thermoelectric properties remains underexplored. A heavily boron‐doped silicon layer to enhance performance. The layers, formed silicon, exhibit epitaxial crystal structures under all conditions using an system. Transmission electron microscopy and atom probe tomography reveal that interstitial create lattice. These effectively reduce thermal conductivity compared intrinsic silicon. At 372.76 K, best power factor 3.05 mW/m·K 2 , obtained at implant dose 10 16 cm −2 . This study demonstrates raised electrical induced by substituting atoms, reduced caused interstitial‐formed findings highlight potential improving materials advancing energy‐efficient technologies.

Language: Английский

Advances in flexible inorganic thermoelectrics DOI Creative Commons
Xiao‐Lei Shi, Tianyi Cao, Wenyi Chen

et al.

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

Citations

59
Advancing flexible thermoelectrics for integrated electronics DOI
Xiao‐Lei Shi, Lijun Wang, Wanyu Lyu

et al.

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

Citations

29
Nanobinders advance screen-printed flexible thermoelectrics DOI
Wenyi Chen, Xiao‐Lei Shi, Meng Li

et al.

Science, Journal Year: 2024, Volume and Issue: 386(6727), P. 1265 - 1271

Published: Dec. 12, 2024

Limited flexibility, complex manufacturing processes, high costs, and insufficient performance are major factors restricting the scalability commercialization of flexible inorganic thermoelectrics for wearable electronics other high-end cooling applications. We developed an innovative, cost-effective technology that integrates solvothermal, screen-printing, sintering techniques to produce thermoelectric film. Our printable film, comprising Bi

Language: Английский

Citations

28
Weavable thermoelectrics: advances, controversies, and future developments DOI Creative Commons
Xiao‐Lei Shi,

Shuai Sun,

Ting Wu

et al.

Materials Futures, Journal Year: 2023, Volume and Issue: 3(1), P. 012103 - 012103

Published: Nov. 14, 2023

Abstract Owing to the capability of conversion between thermal energy and electrical their advantages light weight, compactness, noise-free operation, precision reliability, wearable thermoelectrics show great potential for diverse applications. Among them, weavable thermoelectrics, a subclass with inherent flexibility, wearability, operability, find utility in harnessing waste heat from irregular sources. Given rapid advancements this field, timely review is essential consolidate progress challenge. Here, we provide an overview state thermoelectric materials devices smart textiles, encompassing mechanisms, materials, fabrications, device structures, applications recent advancements, challenges, prospects. This can serve as valuable reference researchers field flexible

Language: Английский

Citations

31
Phase-Transition-Promoted Thermoelectric Textiles Based on Twin Surface-Modified CNT Fibers DOI
Long Yu, Xinyu Liu, Boxuan Zhang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(14), P. 18030 - 18039

Published: March 30, 2024

With the fast development of new science and technology, wearable devices are in great demand modern human daily life. However, energy problem is a long-lasting issue to achieve real smart, wearable, portable devices. Flexible thermoelectric generators (TEGs) based on conversion systems can convert body waste heat into electricity with excellent flexibility wearability, which shows direction solving this issue. Here work, polyethylenimine (PEI) gold nanoparticles (Au NPs) twin surface-modified carbon nanotube fibers (CNTFs) were designed prepared fabricate textiles (TET) high performance, good air stability, high-efficiency power generation. To better utilize emitted by body, microencapsulated phase change materials (MPCM) coated hot end TET phase-transition-promoted TET. MPCM-coated device could generate 25.7% more than untreated control device, indicates potential

Language: Английский

Citations

9
A review unveiling recent advances in the flexible-wearable futuristic thermoelectric device DOI

Preety Yadav,

Neeraj Dhariwal, Amit Sanger

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: 135, P. 110696 - 110696

Published: Jan. 27, 2025

Language: Английский

Citations

1
Application requirements and design strategies of Bi2Te3‐based thermoelectric devices for low‐quality thermal energy DOI Creative Commons
Kai Liu, Yuzheng Li,

Yunxiao Wu

et al.

cMat., Journal Year: 2024, Volume and Issue: 1(1)

Published: June 1, 2024

Abstract Bismuth telluride‐based devices are capable of converting low‐quality thermal energy into electrical power via the Seebeck effect. This transformative process not only extends spectrum utilization but also significantly amplifies efficiency. review serves as a comprehensive guide, elucidating intricate design considerations essential for optimizing bismuth in both and structural design. By exploring various application scenarios, it identifies critical parameters crucial device effectiveness. Furthermore, current landscape thermoelectric (TE) is meticulously analyzed, synthesizing their developmental trajectory contrasting with stringent requirements. Through this analysis, pinpoints key challenges that impede maximal performance existing TE devices. Envisioning materials, makes projections regarding future trends. Traversing through contemporary mechanisms technologies, offers practical solutions potential avenues aimed at enhancing efficiency Ultimately, discourse endeavors to provide invaluable insights, furnishing roadmap advancement refinement years ahead. proposing feasible charting plausible directions, aspires stimulate innovation drive progress domain materials science.

Language: Английский

Citations

7
Integrated micro thermoelectric devices with self-power supply and temperature monitoring: Design and application in power grid early warning DOI
Yutian Liu, Dongwang Yang,

Jianan Lyu

et al.

Applied Thermal Engineering, Journal Year: 2024, Volume and Issue: 247, P. 122922 - 122922

Published: March 22, 2024

Language: Английский

Citations

6
Long-Lasting Heat Dissipation of Flexible Heat Sinks for Wearable Thermoelectric Devices DOI

Qianfeng Ding,

Xiaolong Sun, Zheng Zhu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(24), P. 31228 - 31236

Published: June 7, 2024

Flexible wearable thermoelectric (TE) devices hold great promise for a wide range of applications in human thermal management and self-powered systems. Currently, the main challenge faced by flexible TE is inadequate dissipation heat, which hinders maintenance significant temperature differences over prolonged periods. Most existing heat sinks, being rigid nature, compromise overall flexibility device. Therefore, lies maintaining device while ensuring effective dissipation. In this study, we developed phase-change material (FPCM) sink to address issue enhance capabilities (FPCM-TED). When used as cooler (TEC), FPCM efficiently absorbs from hot end, enabling long-lasting high-performance cooling TEC. This capability effectively reduces body up 11.21 °C can be sustained at least 300 s. Additionally, when employed generator (TEG), cold thereby increasing difference between ends enhancing output performance By integrating FPCM-TED into fabric wristband, successfully wireless pedometer sensing system. breakthrough lays solid foundation application wearable, smart clothing.

Language: Английский

Citations

6
Integration of Active Clothing with a Personal Cooling System within the NGIoT Architecture for the Improved Comfort of Construction Workers DOI Creative Commons
Anna Dąbrowska, Monika Kobus, Piotr Sowiński

et al.

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(2), P. 586 - 586

Published: Jan. 10, 2024

Intense physical activity and high ambient temperature cause construction workers to be exposed an increased risk of overheating, especially in the summer season. Personal cooling systems have great potential support workers’ thermoregulation reduce this risk. In particular, solutions based on thermoelectric effect can provide effectiveness ergonomics at same time. paper, a newly developed active clothing solution with flexible modules intended for outdoor activities is presented. The was subjected utility tests treadmill under laboratory conditions participation end users. A comparison results from cooled uncooled places indicated reduction local skin as much 2.7 °C. Moreover, gradual decrease place during experiment observed. Based positive evaluation, personal system integrated into within ASSIST-IoT NGIoT reference architecture. This allows contextual personalized adjustment power provided using AI techniques and, additionally, by data weather station smartwatch. Training procedures models are proposed, special attention paid privacy aspect.

Language: Английский

Citations

4