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Solid Electrolyte Based Structural Supercapacitors

Liao, Guangyue (2018) Solid Electrolyte Based Structural Supercapacitors. Dissertation.

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Abstract

Supercapacitors, also called electrical double layer capacitors (EDLCs), are attracting significant attention because of their fast charge/discharge capability, long cycle lives and are potentially applied for the electrical vehicles, airplanes as well as satellites. Aiming at light weight structure design, the concept of structural supercapacitors is introduced. These devices are multifunctional composites storing (and delivering) electrical energy whilst carrying mechanical loads simultaneously. To realize the structural supercapacitors, solid state electrolytes are utilized because which could usually avoid safety issues. Additionally, the devices are free from coarse container, which is important for the light weight structures. Li1.4Al0.4Ti1.6(PO4)3 (LATP) solid electrolyte is used for the present work, due to its high ionic conductivity at ambient temperature, stability against ambient atmosphere and convenience of producing. The multifunctional properties of the embedded composites were characterized by electrical measurements, mechanical tests and coupling tests. To further enlarge the capacitance and meantime reduce resistance of the device, carbon nanotubes (CNTs) as electrode active materials were introduced into the LATP pellet.

Item URL in elib:https://elib.dlr.de/120595/
Document Type:Thesis (Dissertation)
Title:Solid Electrolyte Based Structural Supercapacitors
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Liao, GuangyueTU BraunschweigUNSPECIFIED
Date:February 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:150
Status:Published
Keywords:All-solid-state electrolyte, supercapacitor, multifunctional composite, electrical property, mechanical property
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Multifunctional Materials
Deposited By: Böhringer-Thelen, Isolde
Deposited On:25 Jun 2018 06:36
Last Modified:25 Jun 2018 06:36

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