| Summary: | 碩士 === 國立臺灣科技大學 === 材料科學與工程系 === 100 === This study used rayon knitted fabrics as the raw material of activated carbon fabrics at different carbonization temperature 800℃, 900℃ and 1000℃. It shows different crystalline properties, electrical properties and the specific surface area.Then, the activated carbon fabrics ,which made in 1000 ℃, processes five different high temperatures treatment1100℃、1200℃、1300℃、1400℃、1500℃, and Evaluating activated carbon fiber electrode’s capacitance properties in high charge rate.
The Results show the higher specific surface area and electrical properties would gain as increase carbonization temperature resulting increased the capacitance. The other hand, activated carbon fabrics, which process high temperature, increased the mesopores ratio and improved the resistance, resulting reduces the capacitance decline in high charge rate. The activated carbon fabrics processed the high temperature treatment, obtained percentage of mesopores up to 56% or more resulting high rate charge (250mV/s) still is retained more than 40% of capacitance values.
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