Charge Generation and Enhancement of Key Components of Triboelectric Nanogenerators: A Review

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Окт. 30, 2024

Abstract The past decade has witnessed remarkable progress in high‐performance Triboelectric nanogenerators (TENG) with the design and synthesis of functional dielectric materials, exploration novel dynamic charge transport mechanisms, innovative architecture, making it one most crucial technologies for energy harvesting. High output density is fundamental TENG to expand its application scope accelerate industrialization; depends on equilibrium generation, trapping, de‐trapping, migration within core components. Here, this review classifies summarizes approaches enhance collection layers. milestone high reviewed based material selection mechanisms. state‐of‐the‐art principles techniques generating suppressing decay are discussed highlighted detail, distinct advanced materials preparation, effective excitation strategy emphatically introduced. Lastly, bottleneck future research priorities boosting summarized. A summary these cutting‐edge developments intends provide readers a deep understanding high‐output TENG.

Язык: Английский

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A Review of Material Design for High Performance Triboelectric Nanogenerators: Performance Improvement Based on Charge Generation and Charge Loss

Nanoscale Advances, Год журнала: 2024, Номер 6(18), С. 4522 - 4544

Опубликована: Янв. 1, 2024

This review summarizes the relevant material-design strategies for improving output performance of TENGs based on charge generation and loss.

Язык: Английский

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Aramid Triboelectric Materials: Opportunities for Self‐Powered Wearable Personal Protective Electronics

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Авг. 23, 2024

Abstract The seamless integration of advanced triboelectric nanogenerators with fiber material has propelled the rapid advancement intelligent wearable electronics. overheating and mechanical abrasion associated prolonged operation poses a significant challenge for conventional fiber‐based materials. Aramid fibers, characterized by high thermal stability, ultra‐high strength, excellent insulating properties, can effectively compensate limitations However, intrinsic advantages aramid materials their general structural design strategies have not yet to be comprehensively elucidated. In this review, synthesis methods development history in recent years are summarized. Importantly, unique potential fibers as systematically discussed, particularly regarding high‐temperature resistance, electrical insulation. Furthermore, latest advancements performance modulation presented. self‐powered electronics warning, impact monitoring, human energy harvesting Finally, challenges opportunities facing future discussed.

Язык: Английский

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Regulation of deep and shallow hole/electron trap states and charge conducting behaviors of dielectric tribo-materials for maximizing retained charges

Energy & Environmental Science, Год журнала: 2024, Номер 17(19), С. 7382 - 7393

Опубликована: Янв. 1, 2024

This work utilizes the UHCSI strategy to quantify ability of 30 conventional tribo-materials trap and de-trap positive/negative charges reveal that polymer's group composition influences states.

Язык: Английский

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Multifunctional Tactile Sensors for Object Recognition

Advanced Functional Materials, Год журнала: 2024, Номер 34(49)

Опубликована: Авг. 27, 2024

Abstract Humans can grab and identify objects by capturing the features of physical shape, temperature, material. However, creating artificial sensors with finger‐like tactile capabilities is challenging due to contradiction between structural compliance multifunctional sensing. Here, a sensory system for robot hand that achieve object recognition reported. The sensor simple horizontal sensing structure respond strain, material, temperature stimuli using piezoresistive, triboelectric, thermoelectric effects. A machine learning algorithm train classify signals, enabling high accuracy 98.5% in recognizing five also developed. This work contributes development systems soft robotics.

Язык: Английский

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Superior Charge Density of Triboelectric Nanogenerator via Trap Engineering

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 3, 2024

Abstract Triboelectric nanogenerator (TENG) offers a novel approach for converting high‐entropy mechanical energy into electrical energy, yet achieving high charge density remains critical. Optimizations using dielectrics with specific capacitance have mitigated air breakdown, but loss within persists as limiting factor. Here, based on poly(vinylidene fluoride–trifluoroethylene–chlorofluoroethylene) (P(VDF‐TrFE‐CFE)) capacitance, composites’ trap and are engineered high‐polarity interfaces from barium titanate (BTO) nanoparticles dense chain segment stacking induced by electrostatic interaction polyetherimide (PEI) to enhance retention capability. With modified interfacial traps, an ultrahigh of 9.23 mC m −2 is achieved in external excitation (ECE) TENG 0.2 vol% PEI/P(VDF‐TrFE‐CFE) film, marking the highest reported single‐unit TENGs. This work provides material strategies high‐performance TENGs, paving way their large‐scale practical applications.

Язык: Английский

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High-Temperature Stable Aramid Nanofibers-Based Triboelectric Nanogenerators with Regeneratability and Designability for Real Hot Environments Monitoring

Nano Energy, Год журнала: 2025, Номер unknown, С. 110772 - 110772

Опубликована: Фев. 1, 2025

Язык: Английский

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Recent Advances in Polyvinylidene Fluoride with Multifunctional Properties in Nanogenerators

Small, Год журнала: 2025, Номер unknown

Опубликована: Март 11, 2025

Abstract Amid the global energy crisis and rising emphasis on sustainability, efficient harvesting has become a research priority. Nanogenerators excel in converting abundant mechanical thermal into electricity, offering promising path for sustainable solutions. Among various nanogenerator's materials, Polyvinylidene fluoride (PVDF), with its distinctive molecular structure, exhibits multifunctional electrical properties including dielectric, piezoelectric pyroelectric characteristics. These combined excellent flexibility make PVDF prime candidate material nanogenerators. In nanogenerators, this is capable of efficiently collecting energy. This paper discusses how PVDF's are manifested three types nanogenerators compares performance these addition, strategies to improve output demonstrated, physical chemical modification as well structural optimization such hybrid structures external circuits. It also introduces application natural human harvesting, prospects medical technologies smart home systems. The aim promote use self‐powered sensing, monitoring, thereby providing valuable insights designing more versatile

Язык: Английский

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Empowering high-performance triboelectric nanogenerators: advanced materials strategies

Journal of Materials Chemistry A, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

This review systematically discusses performance limiting factors and materials-related strategies for high-performance AC-TENGs DC-TENGs.

Язык: Английский

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PEO/cysteine composite nanofiber-based triboelectric nanogenerator for tiny mechanical energy harvesting

Journal of Materials Chemistry A, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

Triboelectric nanogenerator (TENG) is a promising method for capturing mechanical energy.

Язык: Английский

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