Starch-Based Electrolytes: An Eco-Friendly and Economical Option for Flexible Supercapacitor

Starch-Based Electrolytes: An Eco-Friendly and Economical Option for Flexible Supercapacitor

Neelam Srivastava

Environment challenges have attracted the attention of scientists to utilize renewable materials in order to adopt a green-process. The electrochemists have also switched to utilizing renewable polymers for device fabrication. For commercial devices, the quality of the fabrication materials is determined by various factors such as i) cost, ii) eco-friendliness and iii) ease of design, etc. Glutaraldehyde crosslinked starch-based electrolytes show impressive results with all these criteria along with having excellent electrochemical properties such as wide electrochemical stability window (up to 4.5V) low equivalent series resistance (ESR<2Ω for 0.8mm thickness and 1x1cm2 area) and fast ion transport (ion relaxation time of the order of µsec). These electrolytes are easy to prepare and they cost around 15 INR for 0.8mm thickness and 1x1cm2 area. Hence, starch-based electrolytes are very promising for flexible supercapacitor fabrication. Keywords
Starch, Economical, Eco-Friendly, Electrolytes, ESR, ESW

Published online 11/5/2019, 20 pages

Citation: Neelam Srivastava, Starch-Based Electrolytes: An Eco-Friendly and Economical Option for Flexible Supercapacitor, Materials Research Foundations, Vol. 61, pp 121-140, 2019

DOI: https://doi.org/10.21741/9781644900499-6

Part of the book on Supercapacitor Technology

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