A Shape‐Adaptive Thin‐Film‐Based Approach for 50% High‐Efficiency Energy Generation Through Micro‐Grating Sliding Electrification

DOI Web Site Web Site 被引用文献1件
  • Guang Zhu
    Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 100083 China
  • Yu Sheng Zhou
    School of Materials Science an Engineering Georgia Institute of Technology Atlanta GA 30332 USA
  • Peng Bai
    School of Materials Science an Engineering Georgia Institute of Technology Atlanta GA 30332 USA
  • Xian Song Meng
    Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 100083 China
  • Qingshen Jing
    School of Materials Science an Engineering Georgia Institute of Technology Atlanta GA 30332 USA
  • Jun Chen
    School of Materials Science an Engineering Georgia Institute of Technology Atlanta GA 30332 USA
  • Zhong Lin Wang
    Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 100083 China

書誌事項

公開日
2014-04
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/adma.201400021
公開者
Wiley

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説明

<jats:p>Effectively harvesting ambient mechanical energy is the key for realizing self‐powered and autonomous electronics, which addresses limitations of batteries and thus has tremendous applications in sensor networks, wireless devices, and wearable/implantable electronics, etc. Here, a thin‐film‐based micro‐grating triboelectric nanogenerator (MG‐TENG) is developed for high‐efficiency power generation through conversion of mechanical energy. The shape‐adaptive MG‐TENG relies on sliding electrification between complementary micro‐sized arrays of linear grating, which offers a unique and straightforward solution in harnessing energy from relative sliding motion between surfaces. Operating at a sliding velocity of 10 m/s, a MG‐TENG of 60 cm<jats:sup>2</jats:sup> in overall area, 0.2 cm<jats:sup>3</jats:sup> in volume and 0.6 g in weight can deliver an average output power of 3 W (power density of 50 mW cm<jats:sup>−2</jats:sup> and 15 W cm<jats:sup>−3</jats:sup>) at an overall conversion efficiency of ∼50%, making it a sufficient power supply to regular electronics, such as light bulbs. The scalable and cost‐effective MG‐TENG is practically applicable in not only harvesting various mechanical motions but also possibly power generation at a large scale.</jats:p>

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