Preparation of Mission Grass Flower-Based Activated Carbon Monolith Electrode for Supercapacitor Application

Abstract

The preparation and characterization of an activated carbon monolith for supercapacitor application created from mission grass flowers was performed. The benefits of carbon electrode monolith production from mission grass flowers include the low cost of the raw material and smooth structures that can bind without the use of an adhesive. Carbon electrode preparations were evaluated with respect to several aspects: chemical activating agent, carbonization temperature, and physical activation temperature and particle size. These aspects represent several main aspects in the production of carbon electrodes. The primary characterization required to determine carbon electrode properties is based on the specific surface area and capacitance. Our characterization found that a carbon electrode monolith manufactured from mission grass flowers had a maximum surface area of 950 m2 g-1 and a maximum specific capacitance of 120 F g-1. In addition, the crystallinity and morphology of the monolith’s surface properties were tested and analysed.

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