The challenges of achieving good electrical and mechanical properties when making structural supercapacitors

C. Ciocanel; C. Browder; C. Simpson; R. Colburn

doi:10.1117/12.2009738

3 April 2013 The challenges of achieving good electrical and mechanical properties when making structural supercapacitors

C. Ciocanel, C. Browder, C. Simpson, R. Colburn

Author Affiliations +

Proceedings Volume 8689, Behavior and Mechanics of Multifunctional Materials and Composites 2013; 868917 (2013) https://doi.org/10.1117/12.2009738
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

The paper presents results associated with the electro-mechanical characterization of a composite material with power storage capability, identified throughout the paper as a structural supercapacitor. The structural supercapacitor uses electrodes made of carbon fiber weave, a separator made of Celgard 3501, and a solid PEG-based polymer blend electrolyte. To be a viable structural supercapacitor, the material has to have good mechanical and power storage/electrical properties. The literature in this area is inconsistent on which electrical properties are evaluated, and how those properties are assessed. In general, measurements of capacitance or specific capacitance (i.e. capacitance per unit area or per unit volume) are made, without considering other properties such as leakage resistance and equivalent series resistance of the supercapacitor. This paper highlights the significance of these additional electrical properties, discusses the fluctuation of capacitance over time, and proposes methods to improve the stability of the material’s electric properties over time.

Citation Download Citation

C. Ciocanel, C. Browder, C. Simpson, and R. Colburn "The challenges of achieving good electrical and mechanical properties when making structural supercapacitors", Proc. SPIE 8689, Behavior and Mechanics of Multifunctional Materials and Composites 2013, 868917 (3 April 2013); https://doi.org/10.1117/12.2009738

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