Journal
NANO ENERGY
Volume 60, Issue -, Pages 267-274Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2019.03.049
Keywords
Fiber-shaped; Solar-charged aqueous rechargeable battery; Multifunctional integrated device; Wearable electronics
Categories
Funding
- National Natural Science Foundation of China [51602339, 51703241, U1710122]
- Key Research Program of Frontier Science of Chinese Academy of Sciences [QYZDB-SSW-SLH031]
- Thousand Youth Talents Plan
- Postdoctoral Foundation of China [2016M601905, 2017M621855]
- Natural Science Foundation of Jiangsu Province, China [BK20160399]
- Postdoctoral Foundation of Jiangsu Province [1601065B]
- Science and Technology Project of Nanchang
- Singapore Ministry of Education Academic Research Fund Tier 2 [MOE2015-T2-1-066, MOE2015-T2-2-010]
- Singapore Ministry of Education Academic Research Fund Tier 1 [RG85/16]
- Nanyang Technological University [M4081515]
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Multifunctional integrated devices represent the development direction of future wearable smart electronics. Increased efforts have recently been devoted to developing fiber-shaped integrated devices due to their excellent flexibility and wearability. Fiber-shaped integrated devices combining energy harvest-storage and storage-utilization have been developed. However, the design and development of a single fiber capable of energy harvest, storage, and utilization, although highly desirable, remains greatly challenging. Herein, we successfully assembled a fully solar-powered coaxial-fiber stretchable sensing system by integrating solar cells, a Zn-MnO2 battery, and a stretchable strain sensor to simultaneously realize energy harvest, storage, and utilization. Specifically, the harvested solar energy can be effectively converted into electricity by the solar cells and further stored as chemical energy in the stretchable Zn-MnO2 battery. More importantly, the solar-charged stretchable Zn-MnO2 battery provides a steady and continuous power supply for the stretchable fibrous strain sensor. Thus, this work provides proof-of-concept design for next-generation multifunctional integrated devices.
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