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Title

A novel embedded all-solid-state composite structural supercapacitor based on activated carbon fiber electrode and carbon fiber reinforced polymer matrix

Author
Corresponding AuthorZhou,Limin
Publication Years
2023-02-15
DOI
Source Title
ISSN
1385-8947
Volume454
Abstract
Composite structural supercapacitors (CSSs), that provide both mechanical and electrochemical properties, have great potential for applications in electric vehicles, unmanned aerial vehicles and portable electronic devices with reduced overall system weight and volume. In this paper, a novel composite structural supercapacitor device is designed and fabricated, mainly consisting of energy storage units (flexible devices) and a structural unit (carbon fiber reinforced polymer, CFRP). KOH activated carbon cloth (ACC) and PVA-KOH gel electrolyte are selected as the electrode and electrolyte of the energy storage units, respectively. The specific capacitance, energy density and power density of 1:1 ACC-CSS reach 88 mF⋅g, 9.9 mWh⋅kg and 445.5 mW⋅kg, respectively. Meanwhile, the flexural strength, flexural modulus and shear strength of 1:1 ACC-CSS achieve 230 MPa, 21 GPa and 8.75 MPa, respectively. In addition, the excellent stability of electrochemical performance of 1:1 ACC-CSS under various external loads is verified by electrochemical three-point bending, electrochemical tensile and electrochemical tensile fatigue tests as well. Experimental results show that even after mechanical failure, 1:1 ACC-CSS can still maintain its electrochemical performance. The combination of good electrochemical and mechanical properties of 1:1 ACC-CSS makes it a promising and competitive candidate for the development of composite structural energy storage devices.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Corresponding
EI Accession Number
20224613103072
EI Keywords
Antennas ; Bending tests ; Carbon fiber reinforced plastics ; Failure (mechanical) ; Polymer matrix composites ; Potassium hydroxide ; Solid electrolytes
ESI Classification Code
Strength of Building Materials; Test Equipment and Methods:422 ; Electric Components:704.1 ; Chemical Agents and Basic Industrial Chemicals:803 ; Inorganic Compounds:804.2 ; Polymeric Materials:815.1 ; Polymer Products:817.1
ESI Research Field
ENGINEERING
Scopus EID
2-s2.0-85141538808
Data Source
Scopus
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/411725
DepartmentSouthern University of Science and Technology
Affiliation
1.Department of Applied Physics,The Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong Kong,China
2.Faculty of System Design and Intelligent Manufacturing,Southern University of Science and Technology,Nanshan District,Shenzhen,Guangdong Province,China
3.Research Center for Humanoid Sensing,Zhejiang Lab,Hangzhou,Kechuang Avenue, Zhejiang Province,China
First Author AffilicationSouthern University of Science and Technology
Corresponding Author AffilicationSouthern University of Science and Technology
Recommended Citation
GB/T 7714
Zhou,Hanmo,Su,Yiyin,Zhang,Jing,et al. A novel embedded all-solid-state composite structural supercapacitor based on activated carbon fiber electrode and carbon fiber reinforced polymer matrix[J]. CHEMICAL ENGINEERING JOURNAL,2023,454.
APA
Zhou,Hanmo,Su,Yiyin,Zhang,Jing,Li,Hao,Zhou,Limin,&Huang,Haitao.(2023).A novel embedded all-solid-state composite structural supercapacitor based on activated carbon fiber electrode and carbon fiber reinforced polymer matrix.CHEMICAL ENGINEERING JOURNAL,454.
MLA
Zhou,Hanmo,et al."A novel embedded all-solid-state composite structural supercapacitor based on activated carbon fiber electrode and carbon fiber reinforced polymer matrix".CHEMICAL ENGINEERING JOURNAL 454(2023).
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