DataVXAdvanced Materials TechnologiesPaper
journal article·2024-04Open access

Self‐Boosting Energy Generation via Triboelectric Nanogenerator–Capacitor Coupling

Jihye Kim, Hanjun Ryu, SeongMin Kim, Hyeon Yeong Lee, Armine Karami, Dimitri Galayko, Donghyeon Kang, Sung Soo Kwak, Hong‐Joon Yoon, Philippe Basset, Sang‐Woo Kim

Advanced Materials Technologies· Volume 9· Issue 8
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Source abstract

Abstract

Abstract With the development of wearable and wireless electronic devices, the triboelectric nanogenerator (TENG) is attracting interest as a candidate for portable power. Many studies are conducted to increase the surface charge density of the TENG, such as external charge pumping or external electron excitation strategies. However, there are limitations in that another additional external energy source is required. Here, a TENG–capacitor (TC) coupling system that can maximize energy generation and storage efficiency within a limited volume is proposed. Density functional theory calculations indicate that the electric field induced on capacitor increases the fermi energy of positive triboelectric material, resulting in more charge transfer between two triboelectric materials. TC coupling system enhances TENG output performance and the capacitor charging rate in a virtuous cycle. This study provides new insights into TENG structural design and an important guideline for the use of TENG as a portable power source for wearable and wireless applications.
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Research context

Nanomaterials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA

Department of Advanced Materials Engineering Chung‐Ang University Anseong 17546 Republic of Korea

Department of Intelligence Energy and Industry Chung‐Ang University Seoul 06974 Republic of Korea

Department of Materials Science and Engineering Center for Human‐oriented Triboelectric Energy Harvesting Yonsei University Seoul 03722 Republic of Korea

School of Advanced Materials Science and Engineering Sungkyunkwan University Suwon 16419 Republic of Korea

ESYCOM University of Gustave Eiffel CNRS Marne‐la‐Vallée F‐77454 France

LIP6 Laboratory Sorbonne University Paris 75004 France

Bionics Research Center of Biomedical Research Division Korea Institute of Science and Technology Seoul 02792 Republic of Korea

Department of Electronic Engineering Gachon University Seongnam 13120 Republic of Korea

Funding

National Research Foundation of Korea · Yonsei University

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