超级电容器用中孔炭复合电极材料研究进展

Progress of mesoporous carbon composite electrode materials for supercapacitors

超级电容器是一类利用电化学双电层或电极材料在电极/溶液界面发生的氧化还原反应来存储能量的装置,除兼有常规电容器功率密度大和二次电池能量密度高的特点外,还具有可逆性好和循环寿命长等优点.本文重点介绍了近几年国内外对中孔炭材料、表面官能团修饰中孔炭材料、中孔炭-金属氧化物、中孔炭-导电聚合物等几类电极材料的研究现状;并且展望了超级电容器用中孔炭及其复合电极材料的当前研究热点和发展前景.

Supercapacitors are a class of energy-storage devices which make use of electrochemi- cal double-layer or the redox reaction of electrode materials occurring at the electrode/electro- lyte interface to store energy. Aside from the features such as large power density and high sec- ondary battery energy density of conventional capacitors, supercapacitors exhibit additional ad- vantages including excellent reversibility and extended cycle life. This review focuses on the current research status and progress of several types of electrode materials, including meso- porous carbons, mesoporous carbons surface-modified by functional groups, mesoporous car- bon/metal oxides, and mesoporous carbon/conductive polymers. Moreover, recent hotspots concerning the study of mesoporous carbon and its composites as electrode materials for super- capacitors as well as the development trend of these two types of electrode materials are pros- pected.