The use of fibre reinforced polymer composites for construction of structural supercapacitors: a review

Anurangi, Jayani; Herath, Madhubhashitha; Galhena, D Thanuja L; Epaarachchi, Jayantha

doi:10.1080/09243046.2023.2180792

Cited by 3 publications

(4 citation statements)

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“…The enclosed liquid electrolyte forms a separate phase inside the structural matrix, imbuing new functions to the final epoxy mixture [28]. Notably, the separate liquid electrolyte phase facilitates ionic conductivity through the interconnected channels formed within [1].…”

Section: Microstructural Characterizationmentioning

confidence: 99%

“…It plays a vital role in many engineering fields, especially in civil and aviation industries, where lightweight design is a stringent requirement. Recently, the development of functional materials such as multifunctional fiber-reinforced composites has increased to realize lightweight and novel device structures [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, the maximum temperature of many structural applications exposed to sunlight can reach up to 84 • C. Therefore, for SSCs to be viable candidates for such applications, they should withstand the temperature up to that level. To the best of the authors' knowledge, no studies have done so far to evaluate the electromechanical performance of SSCs at elevated temperatures [1].…”

Section: Introductionmentioning

confidence: 99%

“…Increasing the number of supercapacitor functional layers enables the strength and thickness to be easily customized while expanding the energy storage capacity. Therefore, the multilayer concept proposed by Anurangi et al [1] was adapted for the first time to evaluate electro-mechanical performance at two different thicknesses.…”

Section: Introductionmentioning

confidence: 99%

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Electrochemical and structural performances of carbon and glass fiber-reinforced structural supercapacitor composite at elevated temperatures

Anurangi,

Herath,

Galhena

et al. 2024

Funct. Compos. Struct.

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The structural supercapacitor can store electrical energy and withstand structural loads while saving substantial weight in many structural applications. This study investigated the development of a structural supercapacitor with a fiber-reinforced polymer composite system and explored the operating temperature’s influence on its performance. The electrochemical and mechanical properties of structural supercapacitors beyond the ambient temperature have not yet been studied; hence, evaluating parameters such as specific capacitance, energy density, cycle life, and structural performance at elevated temperatures are highly desired. We have designed and manufactured single and parallelly connected multilayer structural supercapacitor composites in this research. Carbon fibers were used as a bifunctional component, acting both as a current collector while acting as a mechanical reinforcement. In addition, glass fibers were added as the separator which is also acting as an integral reinforcement. The electrochemical and mechanical behavior of structural supercapacitors at elevated temperatures up to 85 °C were experimentally investigated. The test results revealed that at room temperature, the developed double-cell structural supercapacitor, which demonstrated an area-specific capacitance of 1.16 mFcm-2 and energy density of 0.36 mWhcm-2 at 0.24 mAcm-2, which are comparable to current achievements in structural supercapacitor research. The structural supercapacitor’s tensile, flexural, and compression strengths were measured as 109.5 MPa, 47.0 MPa, and 50.4 MPa, respectively. The specific capacitance and energy density reached 2.58 mFcm-2 and 0.81 mWhcm-2, while tensile, flexural, and compression strengths were reduced to 70.9 MPa, 14.2 MPa, and 8.8 MPa, respectively, at 85 °C. These findings provide new comprehensive knowledge on structural supercapacitor devices suitable for applications operating within a temperature range from ambient conditions to 85 °C.

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Section: Microstructural Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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