Carbon nanotube, a new carbon material, is an ideal material for the electrodes of double electric layer capacitors for its lightweight, large effective specific surface area and high conductivity.

碳纳米管作为一种新型碳材料，具有质轻，高的有效比表面积和优良的导电性，是制备双电层电容器较为理想的电极材料。

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And the electric conductivity of the material is improved by high temperature processing in N2, with the increasing number of current carrier led in by defective energy level.

N2气氛下高温处理，由于缺陷能级引入载流子数目增加，而提高了材料电导率水平。

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