Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 158112 - 158112
Опубликована: Ноя. 1, 2024
Язык: Английский
Nano Energy, Год журнала: 2024, Номер 121, С. 109278 - 109278
Опубликована: Янв. 11, 2024
Язык: Английский
Процитировано
39
ACS Applied Electronic Materials, Год журнала: 2024, Номер 6(1), С. 47 - 72
Опубликована: Янв. 3, 2024
To meet future demands for sustainable and environmentally friendly technology, many research groups are focusing on triboelectric nanogenerators (TENGs), which can scavenge convert the available mechanical energy into electrical energy. Researchers working to comprehend influence of material surfaces as well properties that play an important role in determining overall output performance TENGs. The selection tribonegative tribopositive materials based charge triboseries different processes manufacturing triboactive its surface modification roles attaining optimal TENG performance. most significant is polyvinylidene fluoride (PVDF), electroactive polar β-crystalline phase responsible higher However, PVDF has some intrinsic limitations such lower conductivity dipole moment nonpolar α-crystalline at room temperature. Interestingly, these main factors determine applications harvesting wearable sensors. In this review, we have mainly focused varying processing methods like solution casting, 3-D printing, spin coating, electrospinning PVDF-based effect nanoscale crystalline also studied detail. Additionally, extensive analysis recent advancements health monitoring, sensors, TENGs included.
Язык: Английский
Процитировано
20
Materials Science and Engineering R Reports, Год журнала: 2024, Номер 159, С. 100804 - 100804
Опубликована: Май 21, 2024
Язык: Английский
Процитировано
20
Nano Energy, Год журнала: 2024, Номер 129, С. 110003 - 110003
Опубликована: Июль 15, 2024
Язык: Английский
Процитировано
18
Scientific Reports, Год журнала: 2025, Номер 15(1)
Опубликована: Янв. 27, 2025
Язык: Английский
Процитировано
3
Materials Science and Engineering R Reports, Год журнала: 2024, Номер 161, С. 100866 - 100866
Опубликована: Окт. 22, 2024
Язык: Английский
Процитировано
17
ACS Applied Electronic Materials, Год журнала: 2024, Номер 6(2), С. 1161 - 1173
Опубликована: Янв. 25, 2024
Triboelectric nanogenerators (TENGs) are renowned for capturing large-scale unused energy from ambient surroundings. A sustainable TENG can meet future demands without contaminating our environment. In the present study, we have synthesized nickel oxide nanoparticles (NiO NPs) via coprecipitation method. Further, NiO NPs were doped with poly(vinylidene fluoride) (PVDF) (0 to 9 wt % w.r.t. PVDF concentration) prepare PVDF-NiO electrospun nanofibrous mat. The output efficiency was calculated in terms of open-circuit voltage (Voc) and short-circuit current (Isc). NiO-doped thermoplastic polyurethane (TPU)-based generated enhanced performance compared pristine (P-Ni-0)/TPU-based TENG. Among six combinations samples fabricated, 7 (P-Ni-7)/TPU-based utmost 252 V, which is almost 22-fold higher than P-Ni-0/TPU triboelectric pair (11.5 V). Similarly, maximum achieved 7.3 μA, a 9-fold enhancement over (0.8 μA). power density optimized ((P-Ni-7)/TPU) 0.86 mW/m2, it directly used light up 15 LEDs. Furthermore, flexible self-powered P-Ni-7/TPU-based device demonstrated real-time biomechanical motion measurements. Overall, this work disclosed facile technique doping into matrix, fabricated when mechanical harvesting power-supplying systems miniaturized wearable electronic devices.
Язык: Английский
Процитировано
12
Heliyon, Год журнала: 2024, Номер 10(7), С. e29192 - e29192
Опубликована: Апрель 1, 2024
Flexible electrospun fiber-based piezoelectric nanogenerator (PENG) has attracted a lot of interest due to its ability generating electrical energy from mechanical sources. The present work aims improve the output PENG devices based on polyvinylidene fluoride (PVDF) doped with nickel oxide nanoparticles (NiO NPs) in different concentrations (2, 4, 6, 8 and 10 wt.-%). Crystalline phase changes β-crystalline content fibers were evaluated using XRD FTIR-ATR, respectively. Surface morphology surface roughness observed FE-SEM AFM, hydrophobic nature was analyzed wettability test. voltage short-circuit current performance neat PVDF NiO (PN) composite calculated customized variable-pressure setup an optimized force 1.0 kgf Hz frequency. Neat PVDF-based exhibited only 1.7 V 0.7 μA, whereas, 6 wt.-% NP (PN-6) generated high 5.5 1.83 μA current. PN-6 device is demonstrated for use wearable towards identifying certain body movements like tapping, wrist movement, walking running.
Язык: Английский
Процитировано
10
Processes, Год журнала: 2023, Номер 11(9), С. 2796 - 2796
Опубликована: Сен. 20, 2023
Triboelectric nanogenerators (TENGs) are emerging as a form of sustainable and renewable technology for harvesting wasted mechanical energy in nature, such motion, waves, wind, vibrations. TENG devices generate electricity through the cyclic working principle contact separation tribo-material couples. This is used outstanding applications generation, human care, medicinal, biomedical, industrial applications. can be applied many practical applications, portable power, self-powered sensors, electronics, electric consumption devices. With technologies, significant issues reduced or even solved near future, reducing gas emissions, increasing environmental protection, improving health. The performance TENGs enhanced by utilizing materials with contrast their triboelectrical characteristics implementing advanced structural designs. review comprehensively examines recent advancements technologies harnessing waste sources, primary focus on sustainability attributes. It also delves into topics optimizing tribo-surface structures to enhance output performance, storage systems ensure stable operation prolonged usage, exploring collection efficient management harvested energy, highlighting various contexts. results indicate that have potential widely industry, care future.
Язык: Английский
Процитировано
20
Advanced Sustainable Systems, Год журнала: 2023, Номер 8(1)
Опубликована: Ноя. 27, 2023
Abstract Highly polar tribolayers are essential for magnifying the output performance of triboelectric nanogenerators (TENGs). This study investigates synergetic effect tetraethylene pentamine‐functionalized reduce graphene oxide (rGO‐TEPA) and barium strontium titanate (BST) pillars on tribopositive tribonegative layers, respectively. The surface potentials pristine polyurethane (PU) Ecoflex (EC0) increases by 2.2 (from 203 to 439 V) 2.1 (from−848 −1813 times their initial values embedding 5 wt.% rGO‐TEPA 10 BST, optimized 2 loaded PU/5wt.% BST EC‐TENG (PU2/EC5‐TENG) produce a maximum open circuit potential (V OC ) 440 V, short current (I SC 11.2 µA, charge (Q) 87 nC when employing 12.5 N load at frequency Hz. PU2/EC5‐TENG shows an ≈2.7 higher than PU/EC0‐TENG, revealing capability enhance TENGs. power density 0.58 Wm −2 70 MΩ demonstrate real‐time applications such as lighting LEDs (100 no's) low‐power LCD display (stopwatch). demonstrates applicability proposed in self‐powered electronics.
Язык: Английский
Процитировано
18