四硫富瓦烯
氧化还原
循环伏安法
环己烯
电极
电子
衍生工具(金融)
材料科学
化学
电化学
无机化学
物理化学
有机化学
催化作用
分子
物理
量子力学
金融经济学
经济
作者
Minami Kato,Ken-ichiro Senoo,Masaru Yao,Yohji Misaki
出处
期刊:Journal of materials chemistry. A, Materials for energy and sustainability
[The Royal Society of Chemistry]
日期:2014-01-01
卷期号:2 (19): 6747-6747
被引量:70
摘要
Pentakis-fused TTF derivatives extended with two cyclohexene-1,4-diylidenes (2a and 2b) have been successfully synthesized. Cyclic voltammetry of the tetrakis(2-ethylhexylthio) derivative (2b) has revealed that it exhibits five stages of the redox process to form 2b10+. A coin-type cell composed of a positive electrode incorporating the tetrakis(methylthio) derivative (2a) exhibits a discharge capacity of 196 mA h g−1, which corresponds to participation of a ten electron redox. It shows a high performance of energy density of 700 mW h g−1 and an output power density of 69 W g−1 with a relatively stable cycle-life performance (72% of the initial discharge capacity after 30 cycles).
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