TY - JOUR
T1 - Self-powered angle-resolved triboelectric nanogenerator for underwater vibration localization
AU - Guo, Jianchao
AU - He, Jiaqi
AU - Yuan, Zuqing
AU - Tao, Juan
AU - Liu, Xiangyu
AU - Song, Zhuoyu
AU - Gao, Wenchao
AU - Wang, Chunfeng
AU - Pan, Caofeng
N1 - Publisher Copyright:
© 2023 Elsevier Ltd
PY - 2023/6/1
Y1 - 2023/6/1
N2 - Precise locating in underwater environment is essential for marine engineering and national security. However, the current technologies usually suffer from energy and complexity issues. Here, a self-powered angle-resolved triboelectric nanogenerator (AR-TENG) is proposed for underwater vibration detecting and locating in a simple and energy-effective fashion. The AR-TENG is made of metal balls and an inverted conical unit consisting of fluorinated ethylene propylene film and multiple sector-like electrodes, where each electrode corresponding to one sensing channel. Each channel of AR-TENG can respond to low-frequency variations with linear electrical outputs and a maximum power density of 1.28 μW·cm−2 at a load resistance of 200 MΩ. Most importantly, the output voltage ratio of two adjacent channels is only related to the vibration direction, endowing AR-TENG with the capability of vibration direction recognition with an angle resolution of 15°. As a result, the underwater vibration locating can be realized by simply intersecting the vibration directions respectively determined by two AR-TENGs arranged in parallel, performing a locating accuracy of >95 %, assisted with a simple trigonometric function and geometric relation. This new scheme is simple, effective and energy-autonomous, holding great potential for various underwater applications.
AB - Precise locating in underwater environment is essential for marine engineering and national security. However, the current technologies usually suffer from energy and complexity issues. Here, a self-powered angle-resolved triboelectric nanogenerator (AR-TENG) is proposed for underwater vibration detecting and locating in a simple and energy-effective fashion. The AR-TENG is made of metal balls and an inverted conical unit consisting of fluorinated ethylene propylene film and multiple sector-like electrodes, where each electrode corresponding to one sensing channel. Each channel of AR-TENG can respond to low-frequency variations with linear electrical outputs and a maximum power density of 1.28 μW·cm−2 at a load resistance of 200 MΩ. Most importantly, the output voltage ratio of two adjacent channels is only related to the vibration direction, endowing AR-TENG with the capability of vibration direction recognition with an angle resolution of 15°. As a result, the underwater vibration locating can be realized by simply intersecting the vibration directions respectively determined by two AR-TENGs arranged in parallel, performing a locating accuracy of >95 %, assisted with a simple trigonometric function and geometric relation. This new scheme is simple, effective and energy-autonomous, holding great potential for various underwater applications.
KW - Angle-resolved
KW - Marine engineering
KW - Self-powered
KW - Triboelectric nanogenerator
KW - Underwater localization
UR - http://www.scopus.com/inward/record.url?scp=85151433462&partnerID=8YFLogxK
U2 - 10.1016/j.nanoen.2023.108392
DO - 10.1016/j.nanoen.2023.108392
M3 - Article
AN - SCOPUS:85151433462
SN - 2211-2855
VL - 110
JO - Nano Energy
JF - Nano Energy
M1 - 108392
ER -
