Microporous activated carbons were prepared from rubber seed-shell by impregnation in 2 wt.% KOH
solution, followed by carbonization. As the carbonizing temperature increases, the specific surface area,
total pore volume, microporosity proportion and iodine number value of prepared ACs increased. The
smaller average pore size came with the increase of micropore volume. The specific capacitance increases
with surface area and microporosity scale, reaching a maximum of 63.2 F/g for a surface area and
miroporosity proportion of 620 m2
/g and 93.31%, respectively. However, the next work will be
concentrated on the surface area improvement of microporous activated carbon derived from rubber seed
shell, in order to obtain the higher capacitance of EDLC electrode.
Microporous activated carbons were prepared from rubber seed-shell by impregnation in 2 wt.% KOHsolution, followed by carbonization. As the carbonizing temperature increases, the specific surface area,total pore volume, microporosity proportion and iodine number value of prepared ACs increased. Thesmaller average pore size came with the increase of micropore volume. The specific capacitance increaseswith surface area and microporosity scale, reaching a maximum of 63.2 F/g for a surface area andmiroporosity proportion of 620 m2/g and 93.31%, respectively. However, the next work will beconcentrated on the surface area improvement of microporous activated carbon derived from rubber seedshell, in order to obtain the higher capacitance of EDLC electrode.
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