Recent Progress in 2D‐Nanomaterial‐Based Triboelectric Nanogenerators

Liu, Yaqian; Ping, Jianfeng; Ying, Yibin

doi:10.1002/adfm.202009994

Cited by 86 publications

(69 citation statements)

References 85 publications

(104 reference statements)

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“…Previous investigations have outlined the power density output from piezoelectric nanogenerators 66 and triboelectric nanogenerators 67 to be within the range of 4.41 to 5.92 μWcm −2 and 400 to 50,000 μWcm −2 , respectively. The predicted InN bilayer nanogenerator shows a decent maximum power density and a considerable induced electrical output voltage, which is comparable to the theoretically and experimentally addressed triboelectric nanogenerators of Janus TMD bilayers 17 , GaN nanowire array 68 , h -BN polypropylene 69 , monolayer MoS 2 flake 70 , and bilayer PVDF-TrFE and graphene oxide 66 , as outlined in Table 1 .…”

Section: Resultssupporting

confidence: 74%

Strong tribo-piezoelectric effect in bilayer indium nitride (InN)

Islam

Zamil

Mojumder

et al. 2021

Sci Rep

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The high electronegativity between the atoms of two-dimensional (2D) group-III nitrides makes them attractive to demonstrating a strong out-of-plane piezo-electricity effect. Energy harvesting devices can be predicted by cultivating such salient piezoelectric features. This work explores the tribo-piezoelectric properties of 2D-indium nitride (InN) as a promising candidate in nanogenerator applications by means of first-principles calculations. In-plane interlayer sliding between two InN monolayers leads to a noticeable rise of vertical piezoelectricity. The vertical resistance between the InN bilayer renders tribological energy by the sliding effect. During the vertical sliding, a shear strength of 6.6–9.7 GPa is observed between the monolayers. The structure can be used as a tribo-piezoelectric transducer to extract force and stress from the generated out-of-plane tribo-piezoelectric energy. The A–A stacking of the bilayer InN elucidates the highest out-of-plane piezoelectricity. Any decrease in the interlayer distance between the monolayers improves the out-of-plane polarization and thus, increases the inductive voltage generation. Vertical compression of bilayer InN produces an inductive voltage in the range of 0.146–0.196 V. Utilizing such a phenomenon, an InN-based bilayer compression-sliding nanogenerator is proposed, which can tune the generated tribo-piezoelectric energy by compressing the interlayer distance between the InN monolayers. The considered model can render a maximum output power density of ~ 73 mWcm−2 upon vertical sliding.

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Section: Resultssupporting

confidence: 74%

Strong tribo-piezoelectric effect in bilayer indium nitride (InN)

Islam

Zamil

Mojumder

et al. 2021

Sci Rep

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“…Embedding a superior intermediate layer into TENGs was also proved as an efficient strategy to enhance the surface charge density and power output performance that are attributed to the enhancement of the dielectric permittivity [6,51,123]. The research shows that the triboelectric charge in the friction dielectric layer will decay with time.…”

Section: Intermediate Layer Embeddingmentioning

confidence: 99%

Smart Textile Triboelectric Nanogenerators: Prospective Strategies for Improving Electricity Output Performance

Dong

Xiao

Cheng

et al. 2022

Nanoenergy Advances

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By seamlessly integrating the wearing comfortability of textiles with the biomechanical energy harvesting function of a triboelectric nanogenerator (TENG), an emerging and advanced intelligent textile, i.e., smart textile TENG, is developed with remarkable abilities of autonomous power supply and self-powered sensing, which has great development prospects in the next-generation human-oriented wearable electronics. However, due to inadequate interface contact, insufficient electrification of materials, unavoidable air breakdown effect, output capacitance feature, and special textile structure, there are still several bottlenecks in the road towards the practical application of textile TENGs, including low output, high impedance, low integration, poor working durability, and so on. In this review, on the basis of mastering the existing theory of electricity generation mechanism of TENGs, some prospective strategies for improving the mechanical-to-electrical conversion performance of textile TENGs are systematically summarized and comprehensively discussed, including surface/interface physical treatments, atomic-scale chemical modification, structural optimization design, work environmental control, and integrated energy management. The advantages and disadvantages of each approach in output enhancement are further compared at the end of this review. It is hoped that this review can not only provide useful guidance for the research of textile TENGs to select optimization methods but also accelerate their large-scale practical process.

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“…MXenes are electronegative materials owing to their electric negative surface groups such as −OH and −F, making them candidate triboelectric materials for use in TENGs. 95 Reports have indicated that MXenes can be more negative than PTFE. 96 …”

Section: Inorganic Nanomaterials Used In Tengsmentioning

confidence: 99%

Advances in Inorganic Nanomaterials for Triboelectric Nanogenerators

Zhang

Olin

2021

ACS Nanosci. Au

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Triboelectric nanogenerators (TENGs) that utilize triboelectrification and electrostatic induction to convert mechanical energy to electricity have attracted increasing interest in the last 10 years. As a universal physical phenomenon, triboelectrification can occur between any two surfaces that experience physical contact and separation regardless of the type of material. For this reason, many materials, including both organic and inorganic materials, have been studied in TENGs with different purposes. Although organic polymers are mainly used as triboelectric materials in TENGs, the application of inorganic nanomaterials has also been intensively studied because of their unique dielectric, electric, piezoelectric, and optical properties, which can improve the performance of TENGs. A review of how inorganic nanomaterials are used in TENGs would help researchers gain an overview of the progress in this area. Here, we present a review to summarize how inorganic nanomaterials are utilized in TENGs based on the roles, types, and characteristics of the nanomaterials.

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Recent Progress in 2D‐Nanomaterial‐Based Triboelectric Nanogenerators

Cited by 86 publications

References 85 publications

Strong tribo-piezoelectric effect in bilayer indium nitride (InN)

Strong tribo-piezoelectric effect in bilayer indium nitride (InN)

Smart Textile Triboelectric Nanogenerators: Prospective Strategies for Improving Electricity Output Performance

Advances in Inorganic Nanomaterials for Triboelectric Nanogenerators

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