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author:

Gao, Dan (Gao, Dan.) [1] | Zhang, Zhiyu (Zhang, Zhiyu.) [2] | Luo, Zhiling (Luo, Zhiling.) [3] | Chen, Bingxing (Chen, Bingxing.) [4] (Scholars:陈炳兴) | Liu, Changhong (Liu, Changhong.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

Nowadays, self-charging devices using clean energy have raised the potential of portable and wearable power generators. Herein, a novel moisture-induced self-powered device based on metal-air redox reaction has been designed which can work under normal humidity conditions. Through bridging two asymmetric electrodes including a carbon nanotube/polyaniline composite electrode and a metal electrode by filter paper with CaCl2, the 1D planar device can be simply fabricated. A single device can provide an open-circuit voltage of over 1.3 V under normal humidity (40%) within 5 min (the maximum can be up to 1.42 V at 80% humidity) and the harvesting energy can be stored effectively. The device possesses great circularity and stability which can maintain steady and consistent output over at least 6 months. Due to the microelectrolyte, this device can prevent harmful leakage or deformation of the electrolyte completely. What is more, the device shows good extendibility. Three single devices in series using common electrodes can light up two light-emitting diodes. Besides its application potential in self-powered portable and wearable electronics, this device can provide a reference for utilization in medical devices due to the response signals under breath with different frequencies. A novel moisture-induced self-powered device can generate an open-circuit voltage exceeding 1.4 V within 5 min. It has simple 1D planar centimeter-sized structure. Larger open-circuit voltage can be achieved by integrating more devices in series. It can show the response signals at different respiratory frequencies and patterns from human breath.image (c) 2024 WILEY-VCH GmbH

Keyword:

carbon nanotubes energy harvesting metal-air batteries self-powered streaming potential

Community:

  • [ 1 ] [Gao, Dan]Fujian Jiangxia Univ, Dept Math & Phys, Fuzhou 350108, Peoples R China
  • [ 2 ] [Zhang, Zhiyu]Tsinghua Univ, Tsinghua Foxconn Nanotechnol Res Ctr, 1Qinghua Garden, Beijing 100084, Peoples R China
  • [ 3 ] [Liu, Changhong]Tsinghua Univ, Tsinghua Foxconn Nanotechnol Res Ctr, 1Qinghua Garden, Beijing 100084, Peoples R China
  • [ 4 ] [Zhang, Zhiyu]Tsinghua Univ, Dept Phys, 1Qinghua Garden, Beijing 100084, Peoples R China
  • [ 5 ] [Liu, Changhong]Tsinghua Univ, Dept Phys, 1Qinghua Garden, Beijing 100084, Peoples R China
  • [ 6 ] [Luo, Zhiling]Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energy, Fuzhou 350108, Peoples R China
  • [ 7 ] [Chen, Bingxing]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • [Gao, Dan]Fujian Jiangxia Univ, Dept Math & Phys, Fuzhou 350108, Peoples R China;;[Liu, Changhong]Tsinghua Univ, Tsinghua Foxconn Nanotechnol Res Ctr, 1Qinghua Garden, Beijing 100084, Peoples R China;;[Liu, Changhong]Tsinghua Univ, Dept Phys, 1Qinghua Garden, Beijing 100084, Peoples R China

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Source :

ENERGY TECHNOLOGY

ISSN: 2194-4288

Year: 2024

Issue: 4

Volume: 12

3 . 6 0 0

JCR@2023

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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