期刊
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
卷 14, 期 3, 页码 2462-2475出版社
ESG
DOI: 10.20964/2019.03.17
关键词
pineapple crown; activated carbon; biomass
资金
- DRPM Kemenristek-Dikti [360/UN.19.5.1.3/PP/2018]
A pineapple crown activated carbon (PCAC) was prepared from pineapple crown waste using one step carbonisation and physical activation method for electrode super capacitor cells. The pineapple crown waste was also activated by using KOH activation in a ratio of 1 : 1 to the total mass. The pre-carbonised PCAC has a thermal resistance temperature of 300 degrees C while the carbonised one has high Brunauer-Emmett-Teller (BET) with a surface area of 700 m(2)g(-1), a pore volume of 0.362 m(3)g(-1) and an average pore diameter of 22 nm. The surface morphology of pineapple crown electrode shows a good fibre structure with a diameter of 42-73 nm. The electrochemical properties of supercapacitor cells have an excellent specific capacitance which is as high as 150 F g(-1) while its energy and power densities are 5.2 Wh Kg(-1) and 42 W Kg(-1), respectively
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