碳化
超级电容器
氢氧化钠
化学工程
材料科学
氢氧化钾
电容
电极
活性炭
多孔性
化学
核化学
复合材料
吸附
有机化学
扫描电子显微镜
物理化学
工程类
作者
Kenji Takeuchi,Masatsugu Fujishige,Noriko Ishida,Kunieda Yoshihiro,Yosuke Kato,Yasumitsu Tanaka,Toshiyuki Ochi,Hisashi Shirotori,Yuji Uzuhashi,Suguru Ito,Kyoichi Oshida,Morinobu Endo
标识
DOI:10.1016/j.jpcs.2018.02.050
摘要
Carbonization and post-activation of polysaccharides (utilized as food residue) created new bio-nanocarbons for the electrode of electric double layer capacitors (EDLC). Large specific capacitance (46.1 F/g, 26.4 F/cm3) and high rate performance was confirmed under optimized conditions of carbonization temperature (600 °C) and supplied amount of sodium hydroxide in NaOH-activation process (250 wt %). The capacitance and rate performance were larger than the reported values, 42.9 F/g, 19.7 F/cm3 of currently used activated carbon MSP-20. The feature that NaOH is usable as the activation agent, instead of KOH, is advantageous for reducing the cost of EDLC.
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