Effect of addition of polyimide powders on electrical properties of planar supercapacitor with substrate made of cellulose

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  • セルロース基材を用いた平面型スーパーキャパシタの電気的特性に及ぼすポリイミド粉末の添加の効果
  • セルロース キザイ オ モチイタ ヘイメンガタ スーパーキャパシタ ノ デンキテキ トクセイ ニ オヨボス ポリイミド フンマツ ノ テンカ ノ コウカ

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Abstract

The object of this study is to investigate the effect of addition of polyimide powder on electrical properties of the planar supercapacitor made of cellulose. The pattern for electrical circuit was formed on the prepared cellulose film by irradiating blue semiconductor laser to fabricate the supercapacitor, where the cellulose film was modified with polyimide powders. Electrical resistance and specific capacitance of planar supercapacitor were measured to evaluate the effect of addition of polyimide powders on electrical properties of planar supercapacitor. Test results showed that the electrical resistance was decreased with increase of the addition rate of polyimide powders and then the specific capacitance was increased with increase of the addition rate of polyimide powders. Current study showed that the most effective condition of the weight fraction of polyimide powders was existed to improve the specific capacitance also to reduce the electrical resistance simultaneously by stabilizing carbonizations, where the rate was 1wt% in this study.

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