Bio-inspired high-performance belt-flex thermoelectric generators with Quasi–Archimedean spiral structures DOI
Xinxing Zhou, Bo Wu, Wei Wei

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 155976 - 155976

Published: Sept. 1, 2024

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

60

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

30

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

30

Advances in printing techniques for thermoelectric materials and devices DOI Open Access
Min Hong,

Shuai Sun,

Wanyu Lyu

et al.

Soft Science, Journal Year: 2023, Volume and Issue: 3(3)

Published: Aug. 2, 2023

Thermoelectric materials and devices have garnered significant attention in recent years due to their potential for converting waste heat into usable electricity, opening new avenues sustainable energy harvesting. As research the field of thermoelectric continues grow, so does need efficient scalable fabrication methods. Among various techniques, printing methods emerged as promising approaches producing devices, offering advantages such low cost, high throughput, design flexibility. Here, we overview advances devices. We discuss key principles, challenges, opportunities associated with including screen printing, inkjet 3D a focus on applications Furthermore, highlight progress made optimizing parameters, ink formulations, post-processing enhance performance printed Finally, provide insights prospects directions This review aims comprehensive state-of-the-art techniques serve reference researchers practitioners working this rapidly growing field.

Language: Английский

Citations

26

Enabling ultra-flexible inorganic thin-film-based thermoelectric devices by introducing nanoscale titanium layers DOI Creative Commons
Ming Tan, Xiao‐Lei Shi, Wei‐Di Liu

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Jan. 14, 2025

Here, we design exotic interfaces within a flexible thermoelectric device, incorporating polyimide substrate, Ti contact layer, Cu electrode, barrier and thin film. The device features 162 pairs of thin-film legs with high room-temperature performance, using p-Bi0.5Sb1.5Te3 n-Bi2Te2.7Se0.3, figure-of-merit values 1.39 1.44, respectively. 10 nm layer creates strong bond between the substrate while significantly reduces internal resistance enhances tightness films electrodes. This enables both exceptional flexibility an impressive power density 108 μW cm−2 under temperature difference just 5 K, normalized exceeding 4 K−2. When attached to 50 °C irregular heat source, three series-connected devices generate 1.85 V, powering light-emitting diode without need for additional sink or booster. authors introduce nanoscale titanium layers boost (p-Bi0.5Sb1.5Te3/n-Bi2Te2.7Se0.3), achieving >4 K−2 offering good flexibility.

Language: Английский

Citations

1

High-Performance MoS2/SWCNT Composite Films for a Flexible Thermoelectric Power Generator DOI

Duo Jiang,

Yi Li, Zan Li

et al.

ACS Applied Materials & Interfaces, Journal Year: 2023, Volume and Issue: 15(25), P. 30495 - 30503

Published: June 14, 2023

Single-walled carbon nanotube (SWCNT)-based thermoelectric materials have been extensively studied in the field of flexible wearable devices due to their high flexibility and excellent electrical conductivity (σ). However, poor Seebeck coefficient (S) thermal limit application. In this work, free-standing MoS2/SWCNT composite films with improved performance were fabricated by doping SWCNTs MoS2 nanosheets. The results demonstrated that energy filtering effect at interface increased S composites. addition, σ composites was also reason S-π interaction between made good contact carrier transport. Finally, obtained showed a maximum power factor 131.9 ± 4.5 μW m-1 K-2 room temperature 680 6.7 cm-1 an 44.0 1.7 μV K-1 mass ratio 15:100. As demonstration, device composed three pairs p-n junctions prepared, which exhibited output 0.43 gradient 50 K. Therefore, work offers simple method enhancing properties SWCNT-based materials.

Language: Английский

Citations

23

New Directions for Thermoelectrics: A Roadmap from High‐Throughput Materials Discovery to Advanced Device Manufacturing DOI Creative Commons

Kaidong Song,

A. N. M. Tanvir, Md. Omarsany Bappy

et al.

Small Science, Journal Year: 2024, Volume and Issue: unknown

Published: April 4, 2024

Thermoelectric materials, which can convert waste heat into electricity or act as solid‐state Peltier coolers, are emerging key technologies to address global energy shortages and environmental sustainability. However, discovering materials with high thermoelectric conversion efficiency is a complex slow process. The field of high‐throughput material discovery demonstrates its potential accelerate the development new combining low cost. synergistic integration processing characterization techniques machine learning algorithms form an efficient closed‐loop process generate analyze broad datasets discover unprecedented performances. Meanwhile, recent advanced manufacturing methods provides exciting opportunities realize scalable, low‐cost, energy‐efficient fabrication devices. This review overview advances in using methods, including processing, characterization, screening. Advanced devices also introduced impacts power generation cooling. In end, this article discusses future research prospects directions.

Language: Английский

Citations

6

Thermoelectric Materials and Devices for Advanced Biomedical Applications DOI

Shiyu Jia,

Huangshui Ma,

Shaojingya Gao

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 11, 2024

Abstract Thermoelectrics (TEs), enabling the direct conversion between heat and electrical energy, have demonstrated extensive application potential in biomedical fields. Herein, mechanism of TE effect, recent developments materials, biocompatibility assessment materials are provided. In addition to fundamentals TEs, a timely comprehensive review progress advanced their applications is presented, including wearable power generation, personal thermal management, biosensing. addition, new‐emerged medical wound healing, disease treatment, antimicrobial therapy, anti‐cancer therapy thoroughly reviewed. Finally, main challenges future possibilities outlined for TEs fields, as well material selection criteria specific scenarios. Together, these advancements can provide innovative insights into development broader

Language: Английский

Citations

6

Chemical bath deposited CdTe thin film: Optical, electrical, and photoresponse aspects DOI Creative Commons
Zalak S. Kachhia, Sunil H. Chaki, Sefali R. Patel

et al.

Next Materials, Journal Year: 2024, Volume and Issue: 3, P. 100152 - 100152

Published: March 28, 2024

Owning a narrow bandgap, remarkable optical and electrical properties with notable stability has made cadmium telluride (CdTe) an immensely vital semiconductor to develop cutting-edge optoelectronics. Taking these in account, CdTe thin film is deposited employing the chemical bath deposition (CBD) technique. The X-ray diffraction analysis of as-deposited unveiled composite crystalline structure, incorporating cubic, hexagonal, tetragonal phases. energy dispersive photoelectron spectroscopy ascertained composition film. Distinctive Raman peaks are detected at 141 167 cm−1, signifying presence Cd-Te bond comprehensive evaluation scanning electron micrographs emphasized firm adhesion substrate displayed uniform overlay microstructures resembling rods. observations from atomic force microscopy grain structure topographical features hills valleys. UV-Visible spectroscopic examination elucidated that films exhibits direct bandgap value 1⋅59 eV. Temperature-dependent d.c. resistivity exhibited descending pattern, substantiating film's semiconducting attributes. investigation into photoresponse attributes accomplished by subjecting it polychromatic light, green red monochromatic light source intensity 50 mW/cm² three different biasing voltages. demonstrated maximum photocurrent for than responsivity 59⋅4 μA/W detectivity 17⋅7 × 106 Jones. These findings provide valuable insights on behavior CBD its form.

Language: Английский

Citations

5

The Latest Advances in Ink-Based Nanogenerators: From Materials to Applications DOI Open Access

Bingqian Shao,

Zhitao Chen,

Hengzhe Su

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(11), P. 6152 - 6152

Published: June 3, 2024

Nanogenerators possess the capability to harvest faint energy from environment. Among them, thermoelectric (TE), triboelectric, piezoelectric (PE), and moisture-enabled nanogenerators represent promising approaches micro-nano collection. These have seen considerable progress in material optimization structural design. Printing technology has facilitated large-scale manufacturing of nanogenerators. Although inks can be compatible with most traditional functional materials, this inevitably leads a decrease electrical performance necessitating control over rheological properties inks. Furthermore, printing offers increased design flexibility. This review provides comprehensive framework for ink-based nanogenerators, encompassing ink device design, including improvements performance, properties, efficient harvesting structures. Additionally, it highlights that incorporate textile hybrid technologies, reviewing their latest advancements collection self-powered sensing. The discussion also addresses main challenges faced future directions development.

Language: Английский

Citations

5