Advanced Dielectric Materials for Triboelectric Nanogenerators: Principles, Methods, and Applications

Advanced Materials, Год журнала: 2024, Номер 36(52)

Опубликована: Март 22, 2024

Abstract Triboelectric nanogenerator (TENG) manifests distinct advantages such as multiple structural selectivity, diverse selection of materials, environmental adaptability, low cost, and remarkable conversion efficiency, which becomes a promising technology for micro‐nano energy harvesting self‐powered sensing. Tribo‐dielectric materials are the fundamental core components high‐performance TENGs. In particular, charge generation, dissipation, storage, migration dielectrics, dynamic equilibrium behaviors determine overall performance. Herein, comprehensive summary is presented to elucidate dielectric transport mechanism tribo‐dielectric material modification principle toward The contact electrification started first, followed by introducing basic Subsequently, mechanisms strategies highlighted regarding physical/chemical, surface/bulk, coupling, structure optimization. Furthermore, representative applications based TENGs power sources, sensors demonstrated. existing challenges potential opportunities advanced outlined, guiding design, fabrication, materials.

Язык: Английский

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Overall performance improvement of direct-current triboelectric nanogenerators by charge leakage and ternary dielectric evaluation

Energy & Environmental Science, Год журнала: 2023, Номер 16(8), С. 3514 - 3525

Опубликована: Янв. 1, 2023

By coupling the charge leakage effect and ternary dielectric triboelectrification effect, our work improves overall performance of DC-TENGs creates new records in average power density, peak factor output density.

Язык: Английский

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Harvesting Environment Mechanical Energy by Direct Current Triboelectric Nanogenerators

Nano-Micro Letters, Год журнала: 2023, Номер 15(1)

Опубликована: Май 20, 2023

As hundreds of millions distributed devices appear in every corner our lives for information collection and transmission big data era, the biggest challenge is energy supply these signal sensors. Triboelectric nanogenerator (TENG) as a new technology meets increasing demand today's due to its ability convert ambient mechanical into electric energy. Meanwhile, TENG can also be used sensing system. Direct current triboelectric (DC-TENG) directly power electronic without additional rectification. It has been one most important developments recent years. Herein, we review progress novel structure designs, working mechanism corresponding method improve output performance DC-TENGs from aspect rectifier, tribovoltaic effect, phase control, delay switch air-discharge. The basic theory each mode, key merits potential development are discussed detail. At last, provide guideline future challenges DC-TENGs, strategy improving commercial applications.

Язык: Английский

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Recent progress in textile-based triboelectric force sensors for wearable electronics

Advanced Composites and Hybrid Materials, Год журнала: 2023, Номер 6(2)

Опубликована: Март 20, 2023

Язык: Английский

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Nanocatalysts for modulating antitumor immunity: fabrication, mechanisms and applications

Chemical Society Reviews, Год журнала: 2024, Номер 53(5), С. 2643 - 2692

Опубликована: Янв. 1, 2024

This review discusses the structures and engineering strategies of nanocatalysts, highlighting their underlying mechanisms applications in cancer immunotherapy.

Язык: Английский

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Eutectogel-based self-powered wearable sensor for health monitoring in harsh environments

Nano Research, Год журнала: 2024, Номер 17(6), С. 5559 - 5568

Опубликована: Янв. 15, 2024

Язык: Английский

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An overview of flexible sensors from ionic liquid-based gels

TrAC Trends in Analytical Chemistry, Год журнала: 2024, Номер 174, С. 117662 - 117662

Опубликована: Март 23, 2024

Язык: Английский

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A high-performance, biocompatible, and fully biodegradable piezo-triboelectric hybrid nanogenerator based on PVA/Glycine/PVA heterostructured piezoelectric film

Nano Energy, Год журнала: 2024, Номер 122, С. 109310 - 109310

Опубликована: Янв. 21, 2024

Язык: Английский

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A Review of Contact Electrification at Diversified Interfaces and Related Applications on Triboelectric Nanogenerator

Nano-Micro Letters, Год журнала: 2023, Номер 16(1)

Опубликована: Ноя. 6, 2023

The triboelectric nanogenerator (TENG) can effectively collect energy based on contact electrification (CE) at diverse interfaces, including solid-solid, liquid-solid, liquid-liquid, gas-solid, and gas-liquid. This enables harvesting from sources such as water, wind, sound. In this review, we provide an overview of the coexistence electron ion transfer in CE process. We elucidate dominant mechanisms observed different interfaces emphasize interconnectedness complementary nature interface studies. review also offers a comprehensive summary factors influencing charge advancements interfacial modification techniques. Additionally, highlight wide range applications stemming distinctive characteristics various interfaces. Finally, elucidates future opportunities challenges that may encounter. anticipate offer valuable insights for research facilitate continued development industrialization TENG.

Язык: Английский

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On the performance of freestanding rolling mode triboelectric nanogenerators from rotational excitations for smart tires

Nano Energy, Год журнала: 2023, Номер 113, С. 108595 - 108595

Опубликована: Июнь 8, 2023

Язык: Английский

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