Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 485, P. 149836 - 149836
Published: Feb. 19, 2024
Language: Английский
EnergyChem, Journal Year: 2024, Volume and Issue: 6(3), P. 100123 - 100123
Published: March 19, 2024
Language: Английский
Citations
26
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
Citations
24
Advanced Fiber Materials, Journal Year: 2024, Volume and Issue: unknown
Published: June 14, 2024
Language: Английский
Citations
21
Materials Today Physics, Journal Year: 2024, Volume and Issue: 42, P. 101375 - 101375
Published: Feb. 23, 2024
Language: Английский
Citations
20
Microsystems & Nanoengineering, Journal Year: 2024, Volume and Issue: 10(1)
Published: April 28, 2024
Abstract Sensing of both temperature and strain is crucial for various diagnostic therapeutic purposes. Here, we present a novel hydrogel-based electronic skin (e-skin) capable dual-mode sensing strain. The thermocouple ion selected this study the iodine/triiodide (I − /I 3 ) redox couple, which common component in everyday disinfectants. By leveraging thermoelectric conversion conjunction with inherent piezoresistive effect gel electrolyte, self-powered achieved by utilizing difference between human body external environment. composite hydrogels synthesized from polyvinyl alcohol (PVA) monomers using simple freeze‒thaw method exhibit remarkable flexibility, extensibility, adaptability to tissue. incorporation zwitterions further augments resistance hydrogel dehydration low temperatures, allowing maintenance more than 90% its weight after 48 h air. Given robust thermal current response, was encapsulated then integrated onto areas body, including cheeks, fingers, elbows. Furthermore, detection head-down state monitoring foot movements demonstrate promising application supervising neck posture sedentary office workers activity status. successful demonstration on-body opens up new possibilities wearable intelligent electronics robotics.
Language: Английский
Citations
16
Materials Horizons, Journal Year: 2024, Volume and Issue: 11(10), P. 2420 - 2427
Published: Jan. 1, 2024
Ion-sensing hydrogels exhibit electrical conductivity, softness, and mechanical sensory properties akin to human tissue, rendering them an ideal material for mimicking skin.
Language: Английский
Citations
12
Nano Energy, Journal Year: 2024, Volume and Issue: 129, P. 109974 - 109974
Published: July 14, 2024
Language: Английский
Citations
12
ACS Sensors, Journal Year: 2024, Volume and Issue: 9(10), P. 5322 - 5332
Published: Oct. 15, 2024
Hydrogels based on borate ester bonds exhibit remarkable tensile strength and self-healing ability, which make them a promising material for various biological research strain sensor applications. However, in order to meet the practical application of hydrogel sensors, they must also show high conductivity, frost resistance, proper adhesion, is still continuous challenge. Herein, triple network was prepared using poly(vinyl alcohol) (PVA) as first network, ethylene imine polymer (PEI) second poly(acrylamide-
Language: Английский
Citations
9
Materials Chemistry Frontiers, Journal Year: 2024, Volume and Issue: unknown
Published: Jan. 1, 2024
This review summarizes the properties of stretchable hydrogels and their optimization for TENGs in on-skin electronics, highlighting applications addressing challenges related to durability user comfort.
Language: Английский
Citations
8
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 2, 2024
Abstract Hydrogels are renowned for their complex structures and unique physicochemical properties, establishing them as key materials in bioenergy harvesting applications. They used various applications, including triboelectric nanogenerators, piezoelectric, hydraulic, thermoelectric, biofuel cells. Among these, hydrogels thermoelectric applications represent a technology capable of continuously converting biological energy (thermal energy) into electrical energy. This shows great potential commercial value body monitoring, storage, human‐machine interaction Given its rapid development, timely review focusing on the research progress composites is presented. discusses types power generation refrigeration, strategies enhancing performance, field. Finally, remaining challenges feasible identified improving efficiency, stability, application range, system‐level integration next‐generation
Language: Английский
Citations
8