Premium
Entirely, Intrinsically, and Autonomously Self‐Healable, Highly Transparent, and Superstretchable Triboelectric Nanogenerator for Personal Power Sources and Self‐Powered Electronic Skins
Author(s) -
Lai YingChih,
Wu HsingMei,
Lin HengChuan,
Chang ChihLi,
Chou HoHsiu,
Hsiao YungChi,
Wu YanCheng
Publication year - 2019
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201904626
Subject(s) - triboelectric effect , nanogenerator , materials science , electronics , stretchable electronics , self healing , mechanical energy , energy harvesting , transparency (behavior) , nanotechnology , power (physics) , electrical engineering , computer science , piezoelectricity , composite material , engineering , medicine , alternative medicine , physics , pathology , quantum mechanics , computer security
Power and electronic components that are self‐healable, deformable, transparent, and self‐powered are highly desirable for next‐generation energy/electronic/robotic applications. Here, an energy‐harvesting triboelectric nanogenerator (TENG) that combines the above features is demonstrated, which can serve not only as a power source but also as self‐powered electronic skin. This is the first time that both of the triboelectric‐charged layer and electrode of the TENG are intrinsically and autonomously self‐healable at ambient conditions. Additionally, comparing with previous partially healable TENGs, its fast healing time (30 min, 100% efficiency at 900% strain), high transparency (88.6%), and inherent superstretchability (>900%) are much more favorable. It consists of a metal‐coordinated polymer as the triboelectrically charged layer and hydrogen‐bonded ionic gel as the electrode. Even after 500 cutting‐and‐healing cycles or under extreme 900%‐strain, the TENG retains its functionality. The generated electricity can be used directly or stored to power commercial electronics. The TENG is further used as self‐powered tactile‐sensing skin in diverse human–machine interfaces including smart glass, an epidermal controller, and phone panel. This TENG with merits including fast ambient‐condition self‐healing, high transparency, intrinsic stretchability, and energy‐extraction and actively‐sensing abilities, can meet wide application needs ranging from deformable/portable/transparent electronics, smart interfaces, to artificial skins.