CAJ | 학술논문

采用两步法设计合成了一种新型离子液体电解质（液）1－戊基－3－甲基咪唑高氯酸盐（[ Pmim][ ClO4]），对这种电解质的密度、表面张力、电导率等物化性质进行了测定．并将其与活性炭电极组装成超级电容器，通过交流阻抗、循环伏安及恒流充放电等测试手段对其电化学性能进行了研究．测试结果表明，该离子液体的密度和表面张力都随温度升高而减小，超级电容器的电化学窗口可以达到5．0 V，并且具有良好的电容特性、可逆性及循环特性，是一种具有应用潜力的超级电容器电解液．
채용량보법설계합성료일충신형리자액체전해질（액）1－무기－3－갑기미서고록산염（[ Pmim][ ClO4]），대저충전해질적밀도、표면장력、전도솔등물화성질진행료측정．병장기여활성탄전겁조장성초급전용기，통과교류조항、순배복안급항류충방전등측시수단대기전화학성능진행료연구．측시결과표명，해리자액체적밀도화표면장력도수온도승고이감소，초급전용기적전화학창구가이체도5．0 V，병차구유량호적전용특성、가역성급순배특성，시일충구유응용잠력적초급전용기전해액．
A novel ionic liquid 1 -Pentyl -3 -methylimidazolium perchlorate salts ([ Pmim] ClO4 ) was synthesized by two -steps method .The density , surface tension , and electrical conductivity of the ionic liquid were investigated in different temperatures .A supercapacitor composed of the activated carbon electrode and the [ Pmim] ClO4 electrolyte was prepared .The electrochemical performance of the supercapacitor was studied by cy-clic voltammograms, alternating current resistance , and constant current charge -discharge tests, respectively. The results showed that the density and the surface tension of [ Pmim] ClO4 decreased with the increase of tem-perature.The working voltage window of the supercapacitor reached to 5.0 V.Moreover, the capacitor possessed typical capacitance characteristic , good reversibility , and better cycleability , which showed a great potential of this ionic liquid electrolyte in supercapacitor applications .