Electro-mechanical characterization of structural supercapacitors

T. Gallagher, D. Lamaster, Constantin Ciocanel, Cindy C Browder

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

The paper presents electrical and mechanical properties of structural supercapacitors and discusses limitations associated with the approach taken for the electrical properties evaluation. The structural supercapacitors characterized in this work had the electrodes made of carbon fiber weave, separator made of several cellulose based products, and the solid electrolyte made as PEGDGE based polymer blend. The reported electrical properties include capacitance and leakage resistance; the former was measured using cyclic voltammetry. Mechanical properties have been evaluated thorough tensile and three point bending tests performed on structural supercapacitor coupons. The results indicate that the separator material plays an important role on the electrical as well as mechanical properties of the structural capacitor, and that Celgard 3501 used as separator leads to most benefits for both mechanical and electrical properties. Specific capacitance and leakage resistance as high as 1.4kF/m 3 and 380kΩ, respectively, were achieved. Two types of solid polymer electrolytes were used in fabrication, with one leading to higher and more consistent leakage resistance values at the expense of a slight decrease in specific capacitance when compared to the other SPE formulation. The ultimate tensile strength and modulus of elasticity of the developed power storage composite were evaluated at 466MPa and 18.9MPa, respectively. These values are 58% and 69% of the tensile strength and modulus of elasticity values measured for a single layer composite material made with the same type of carbon fiber and with a West System 105 epoxy instead of solid polymer electrolyte.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8342
DOIs
StatePublished - 2012
EventBehavior and Mechanics of Multifunctional Materials and Composites 2012 - San Diego, CA, United States
Duration: Mar 12 2012Mar 15 2012

Other

OtherBehavior and Mechanics of Multifunctional Materials and Composites 2012
CountryUnited States
CitySan Diego, CA
Period3/12/123/15/12

Fingerprint

electrochemical capacitors
Electrical Properties
Electric properties
Elastic moduli
Separators
electrical properties
Mechanical Properties
Separator
Electrolyte
Mechanical properties
Capacitance
separators
Leakage
mechanical properties
Modulus of elasticity
leakage
Carbon Fiber
Electrolytes
capacitance
Carbon fibers

Keywords

  • Leakage resistance
  • Solid polymer electrolyte
  • Specific capacitance
  • Structural supercapacitor

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Gallagher, T., Lamaster, D., Ciocanel, C., & Browder, C. C. (2012). Electro-mechanical characterization of structural supercapacitors. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8342). [83420S] https://doi.org/10.1117/12.917478

Electro-mechanical characterization of structural supercapacitors. / Gallagher, T.; Lamaster, D.; Ciocanel, Constantin; Browder, Cindy C.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8342 2012. 83420S.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gallagher, T, Lamaster, D, Ciocanel, C & Browder, CC 2012, Electro-mechanical characterization of structural supercapacitors. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8342, 83420S, Behavior and Mechanics of Multifunctional Materials and Composites 2012, San Diego, CA, United States, 3/12/12. https://doi.org/10.1117/12.917478
Gallagher T, Lamaster D, Ciocanel C, Browder CC. Electro-mechanical characterization of structural supercapacitors. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8342. 2012. 83420S https://doi.org/10.1117/12.917478
Gallagher, T. ; Lamaster, D. ; Ciocanel, Constantin ; Browder, Cindy C. / Electro-mechanical characterization of structural supercapacitors. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8342 2012.
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