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Electrical and Mechanical Properties of LiAlTi(PO4)3 Solid Electrolyte Based Power Composites

Liao, Guangyue und Geier, Sebastian und Mahrholz, Thorsten und Wierach, Peter und Wiedemann, Martin (2016) Electrical and Mechanical Properties of LiAlTi(PO4)3 Solid Electrolyte Based Power Composites. In: Proceeding of the 17th European Conference on Composite Materials. 17th European Conference on Composite Materials ECCM 2016, 2016-06-26 - 2016-06-30, München, Deutschland.

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Kurzfassung

Developing high capacitance electrical energy storage devices with weight/volume-saving properties is a highly desired goal of the energy engineering community. A novel type of composites, the multifunctional power composites, promises to become such materials. These materials have advantages as storing the electrical energy and bearing mechanical loads simultaneously. In the present researches, solid electrolyte is utilized for multifunctional power composites to avoid the leakage problem aroused by liquid electrolytes. The NASION-type ceramic Li1.4Al0.4Ti1.6(PO4)3 executing as solid electrolyte is successfully synthesized by sol-gel method. The as-prepared samples are embedded into fiber composite material using the aviation approved resin RTM6 with the Differential Pressure-Resin Transfer Molding (DP-RTM) process. The electrical properties for samples before and after embedding process are characterized by electrochemical impedance spectroscopy (EIS) as well as cyclic voltammetry (CV). Results show that, Li1.4Al0.4Ti1.6(PO4)3 possesses a conductivity of ~3×10-4 S/cm and a specific capacity of ~55 µF/g at room temperature before embedding. Conductivity and specific capacitances reduce after embedding process to some content. The mechanical properties are characterized by four-point-bending tests. The same composites without Li1.4Al0.4Ti1.6(PO4)3 are used as reference samples comparing with multifunctional power composite samples. Besides, a combination of cyclic voltammetry with four-point-bending tests has been applied as a coupling method to investigate the influence of bending loads on capacitance which indicate a stability of electrical properties of multifunctional power composites under bending loads. The developed Li1.4Al0.4Ti1.6(PO4)3 solid electrolyte-based multifunctional power composites offer a remarkable potential of multifunctional materials for future energy storage devices.

elib-URL des Eintrags:https://elib.dlr.de/107907/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Electrical and Mechanical Properties of LiAlTi(PO4)3 Solid Electrolyte Based Power Composites
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Liao, Guangyueguangyue.liao (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Geier, SebastianSebastian.Geier (at) dlr.dehttps://orcid.org/0000-0001-7941-3630NICHT SPEZIFIZIERT
Mahrholz, ThorstenThorsten.Mahrholz (at) dlr.dehttps://orcid.org/0000-0003-1488-0910NICHT SPEZIFIZIERT
Wierach, PeterPeter.Wierach (at) dlr.dehttps://orcid.org/0000-0003-0852-9112144717048
Wiedemann, MartinMartin.Wiedemann (at) dlr.dehttps://orcid.org/0000-0002-6095-9104NICHT SPEZIFIZIERT
Datum:Juni 2016
Erschienen in:Proceeding of the 17th European Conference on Composite Materials
Referierte Publikation:Nein
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:Multifunctional composite; Structural supercapacitor; Lithium-ion solid electrolytes; electrical property; four point bending
Veranstaltungstitel:17th European Conference on Composite Materials ECCM 2016
Veranstaltungsort:München, Deutschland
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:26 Juni 2016
Veranstaltungsende:30 Juni 2016
Veranstalter :European Society for Composite Materials
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Technik für Raumfahrtsysteme
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R SY - Technik für Raumfahrtsysteme
DLR - Teilgebiet (Projekt, Vorhaben):R - Peakpower Superkondensatoren (alt), L - Strukturen und Werkstoffe (alt), E - Thermochemische Prozesse (Speicher) (alt), V - keine Zuordnung
Standort: Braunschweig
Institute & Einrichtungen:Institut für Faserverbundleichtbau und Adaptronik > Multifunktionswerkstoffe
Hinterlegt von: Geier, Sebastian
Hinterlegt am:12 Dez 2016 07:38
Letzte Änderung:24 Apr 2024 20:12

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