Study of Electric Double Layer Capacitor by Activated Carbon from Pruned Apple Branches

We studied electric double layer capacitors with activated carbon from pruned apple branches and commercial activated carbon. It was found that carbon yield decreases with increasing specific surface area, micropore volume and mesopore volume. The micropore and mesopore volume plots of activated carbon move to the region of larger pores and the volume of pores of around 0.7 nm can be related to the initial value of the capacitance. In addition, compared with another product, there is a good capacitance and internal resistance in activated carbon, which is analyzed by durable examination. (cid:9487)(cid:9513)(cid:9533)(cid:9531)(cid:9523)(cid:9526)(cid:9512)(cid:9527) : pruned apple branches, activated carbon, micropore volume, mesopore volume, electric double layer.